BENZYL CHLORIDE

Benzyl chloride is used as a chemical intermediate in the production of benzyl compounds (benzyl phthalates, benzyl alcohol, benzyl quarternary ammonium salts, benzyl esters), perfumes, dyes (C.I. 42536, Basic Violet 13), artificial resins, synthetic tannins, lubricants, photography developing reagents, chemical gum inhibitors for gasoline, and in pharmaceutical manufacturing (benzathine penicillin, phenobarbital, quarternary ammonium chloride bactericides) (IARC, 1982) EPA, 1985; (ITI, 1995; Hathaway et al, 1996; Budavari, 1996).
Benzyl chloride has been used as a lacrimating chemical warfare agent in the past (IARC, 1982).

FORMS

Benzyl chloride is a colorless to slightly yellow liquid with an irritating and unpleasant odor (HSDB , 2001; Lewis & Sr, 2000).
Benzotrichloride is a closely related compound which is thought to have similar toxicity.

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

USES: Benzyl chloride is used as a chemical intermediate in the production of benzyl compounds, perfumes, dyes, artificial resins, synthetic tannins, lubricants, photography developing reagents, chemical gum inhibitors for gasoline and in pharmaceutical manufacturing.

TOXICOLOGY: Acids cause coagulation necrosis. Hydrogen ions desiccate epithelial cells, causing edema, erythema, tissue sloughing and necrosis, with formation of ulcers and eschars.

EPIDEMIOLOGY: Exposure is rare. Benzyl chloride is typically available for industrial purposes.

WITH POISONING/EXPOSURE

Benzyl chloride exposure is unusual; limited data regarding specific human toxicity following benzyl chloride exposure is available. The following effects could be expected to occur, based on exposure data of other acids.
MILD TO MODERATE ORAL TOXICITY: Patients with mild ingestions may only develop irritation or grade I (superficial hyperemia and edema) burns of the oropharynx, esophagus or stomach; acute or chronic complications are unlikely. Patients with moderate toxicity may develop grade II burns (superficial blisters, erosions and ulcerations) are at risk for subsequent stricture formation, particularly gastric outlet and esophageal. Some patients (particularly young children) may develop upper airway edema. Nausea, vomiting, diarrhea and abdominal cramping can be expected following benzyl chloride ingestion.
SEVERE ORAL TOXICITY: May develop deep burns and necrosis of the gastrointestinal mucosa. Complications often include perforation (esophageal, gastric, rarely duodenal), fistula formation (tracheoesophageal, aortoesophageal), and gastrointestinal bleeding. Upper airway edema is common and often life threatening. Hypotension, tachycardia, tachypnea and, rarely, fever may develop. Other rare complications include metabolic acidosis, hemolysis, renal failure, disseminated intravascular coagulation, elevated liver enzymes, and cardiovascular collapse. Stricture formation (primarily gastric outlet and esophageal, less often oral) is likely to develop long term. Esophageal carcinoma is another long term complication.
INHALATION EXPOSURE: Headache, weakness and fatigue have been reported following benzyl chloride exposure. Mild exposure may cause dyspnea, pleuritic chest pain, cough and bronchospasm. Severe inhalation may cause upper airway edema and burns, hypoxia, stridor, pneumonitis, tracheobronchitis, and rarely acute lung injury or persistent pulmonary function abnormalities. Pulmonary dysfunction similar to asthma has been reported.
OCULAR EXPOSURE: Ocular exposure can produce severe conjunctival irritation and chemosis, corneal epithelial defects, limbal ischemia, permanent vision loss and in severe cases perforation. Benzyl chloride is a strong lacrimator.
DERMAL EXPOSURE: A minor exposure can cause irritation and partial thickness burns. More prolonged or a high concentration exposure can cause full thickness burns. Complications may include cellulitis, sepsis, contractures, osteomyelitis and systemic toxicity.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death.
Contact with molten substance may cause severe burns to skin and eyes.
Reaction with water or moist air will release toxic, corrosive or flammable gases.
Reaction with water may generate much heat that will increase the concentration of fumes in the air.
Fire will produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

ACUTE CLINICAL EFFECTS

SUMMARY

TOXICOLOGY: Acids cause coagulation necrosis. Hydrogen ions desiccate epithelial cells, causing edema, erythema, tissue sloughing and necrosis, with formation of ulcers and eschars.
EPIDEMIOLOGY: Exposure is rare. Benzyl chloride is typically available for industrial purposes. Limited data is available regarding specific toxicity following benzyl chloride exposure. The following effects could be expected to occur, based on exposure data of other acids.
MILD TO MODERATE ORAL TOXICITY: Patients with mild ingestions may only develop irritation or grade I (superficial hyperemia and edema) burns of the oropharynx, esophagus or stomach; acute or chronic complications are unlikely. Patients with moderate toxicity may develop grade II burns (superficial blisters, erosions and ulcerations) are at risk for subsequent stricture formation, particularly gastric outlet and esophageal. Some patients (particularly young children) may develop upper airway edema. Nausea, vomiting, diarrhea and abdominal cramping can be expected following benzyl chloride ingestion.
SEVERE ORAL TOXICITY: May develop deep burns and necrosis of the gastrointestinal mucosa. Complications often include perforation (esophageal, gastric, rarely duodenal), fistula formation (tracheoesophageal, aortoesophageal), and gastrointestinal bleeding. Upper airway edema is common and often life threatening. Hypotension, tachycardia, tachypnea and, rarely, fever may develop. Other rare complications include metabolic acidosis, hemolysis, renal failure, disseminated intravascular coagulation, elevated liver enzymes, and cardiovascular collapse. Stricture formation (primarily gastric outlet and esophageal, less often oral) is likely to develop long term. Esophageal carcinoma is another long term complication.
INHALATION EXPOSURE: Headache, weakness and fatigue have been reported following benzyl chloride exposure. Mild exposure may cause dyspnea, pleuritic chest pain, cough and bronchospasm. Severe inhalation may cause upper airway edema and burns, hypoxia, stridor, pneumonitis, tracheobronchitis, and rarely acute lung injury or persistent pulmonary function abnormalities. Pulmonary dysfunction similar to asthma has been reported.
OCULAR EXPOSURE: Ocular exposure can produce severe conjunctival irritation and chemosis, corneal epithelial defects, limbal ischemia, permanent vision loss and in severe cases perforation. Benzyl chloride is a strong lacrimator.
DERMAL EXPOSURE: A minor exposure can cause irritation and partial thickness burns. More prolonged or a high concentration exposure can cause full thickness burns. Complications may include cellulitis, sepsis, contractures, osteomyelitis and systemic toxicity.

DERMATOLOGIC

CHEMICAL BURNS: Skin burns or irritation may occur from direct contact (HSDB , 2001; CHRIS , 1999; Plunkett, 1976).

GASTROINTESTINAL

GASTROENTERITIS: Anorexia, nausea, vomiting, diarrhea, and abdominal cramping may occur following ingestion (HSDB , 2001; CHRIS , 1999; Plunkett, 1976).
ESOPHAGITIS: Severe irritation and immediate burns of the mouth, throat, esophagus, or gastrointestinal tract could occur following ingestion (HSDB , 2001; CHRIS , 1999).

HEENT

EYE IRRITATION: Benzyl chloride can produce severe eye irritation and lacrimation from either direct contact or vapor exposure (HSDB , 2001; ITI, 1995; Hathaway et al, 1996).

In humans, 31 ppm produces unbearable eye irritation (Grant & Schuman, 1993). Benzyl chloride is a powerful lacrimator (Hathaway et al, 1996) Lewis, 1997).

IRRITATION OF NOSE: Irritation of the mucosa of the nose and throat occurs with exposure to low concentrations of vapor (HSDB , 2001; Hathaway et al, 1996).
IRRITATION OF THROAT: Irritation of the mucosa of the nose and throat occurs with exposure to low concentrations of vapor (HSDB , 2001; Hathaway et al, 1996). Ingestion of the liquid may result in immediate and severe burns of the mouth, throat, and gastrointestinal tract (HSDB , 2001).

HEMATOLOGIC

LEUKOPENIA: CHRONIC EXPOSURE: Mild leukopenia has been described in one group of chronically exposed workers (Hathaway et al, 1996).

HEPATIC

ABNORMAL LIVER FUNCTION: CHRONIC EXPOSURE: Mildly abnormal liver function tests have been described in one group of chronically exposed workers (HSDB , 2001; Hathaway et al, 1996). Increases in serum bilirubin may occur.

NEUROLOGIC

HEADACHE: CHRONIC EXPOSURE: Workers with chronic, low level exposure have complained of headache, weakness, and irritability (HSDB , 2001; Hathaway et al, 1996).
TREMOR: CHRONIC EXPOSURE: Insomnia and tremors involving the eyelids and digits of the hands have been described with chronic exposure (HSDB , 2001; Plunkett, 1976).
INSOMNIA: CHRONIC EXPOSURE: Insomnia and tremors involving the eyelids and digits of the hands have been described with chronic exposure (HSDB , 2001; Plunkett, 1976).

RESPIRATORY

IRRITATION OF RESPIRATORY TRACT: Severe irritation of the respiratory tract can occur from exposure to vapors (Hathaway et al, 1996; ACGIH, 1986). Lung damage may occur with heavy exposure (HSDB , 2001; CHRIS , 1999).

CHRONIC CLINICAL EFFECTS

Workers exposed to 2 ppm complained of weakness, irritability, and headache (Hathaway et al, 1991). Mild leukopenia, liver function disturbances, insomnia, and tremors of the digits have developed after chronic exposure (Plunkett, 1976; Hathaway et al, 1991). Kidney damage may also occur with long-term exposure (CEC, 1990).

Benzyl chloride is a skin sensitizer with repeated exposure in guinea pigs (Plunkett, 1976; HSDB , 1996). The possible contribution of amine stabilizers to the sensitizing activity may need to be evaluated in any given case of exposure.

Rats exposed orally to benzyl chloride in corn oil for 27 to 37 weeks developed gastritis, hyperkeratosis, hyperplasia of the squamous stomach, and lesions of the heart (Bunner & Creasia, 1982).

-FIRST AID

FIRST AID AND PREHOSPITAL TREATMENT

DILUTION

DILUTION: If no respiratory compromise is present, administer milk or water as soon as possible after ingestion. Dilution may only be helpful if performed in the first seconds to minutes after ingestion. The ideal amount is unknown; no more than 8 ounces (240 mL) in adults and 4 ounces (120 mL) in children is recommended to minimize the risk of vomiting (Caravati, 2004).

ACTIVATED CHARCOAL/NOT RECOMMENDED

Activated charcoal is NOT recommended as it has not been shown to reduce corrosive gastrointestinal injury and may obscure endoscopy findings.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes.
In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes.
For minor skin contact, avoid spreading material on unaffected skin.
Keep victim warm and quiet.
Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed.
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

ANIMAL DATA

Inhalation exposure to 380 ppm for 8 hours caused death in dogs (ACGIH, 1986).

MAXIMUM TOLERATED EXPOSURE

ROUTE OF EXPOSURE

Odor threshold - 0.047 ppm (CHRIS , 1999)
INHALATION - Workers with inhalation exposure to 2 ppm developed weakness, irritability, and headache (Hathaway et al, 1996).

CONCENTRATION LEVEL

Exposure to 16 ppm for one minute is intolerable in humans, and 31 ppm exposure is unbearably irritating to the eyes and nose (Hathaway et al, 1996; Grant & Schuman, 1993). A single breath of air containing a concentration of 35 ppm or more can produce irritation of the nasal mucosa (ACGIH, 1986).
A 10 second exposure to 8 ppm or a 5 minute exposure to 1.5 ppm causes eye irritation (ACGIH, 1986). A concentration of 2 mg/L caused immediate eye irritation in cats, while 7.5 hours exposure to the same concentration caused turbidity of the cornea (Grant & Schuman, 1993).

Carcinogenicity Ratings for CAS100-44-7 :

ACGIH (American Conference of Governmental Industrial Hygienists, 2010): A3 ; Listed as: Benzyl chloride

A3 :Confirmed Animal Carcinogen with Unknown Relevance to Humans: The agent is carcinogenic in experimental animals at a relatively high dose, by route(s) of administration, at site(s), of histologic type(s), or by mechanism(s) that may not be relevant to worker exposure. Available epidemiologic studies do not confirm an increased risk of cancer in exposed humans. Available evidence does not suggest that the agent is likely to cause cancer in humans except under uncommon or unlikely routes or levels of exposure.

EPA (U.S. Environmental Protection Agency, 2011): B2 ; Listed as: Benzyl chloride

B2 : Probable human carcinogen - based on sufficient evidence of carcinogenicity in animals.

IARC (International Agency for Research on Cancer (IARC), 2016; International Agency for Research on Cancer, 2015; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010a; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2008; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2007; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2006; IARC, 2004): 2A ; Listed as: benzyl chloride

2A : The agent (mixture) is probably carcinogenic to humans. The exposure circumstance entails exposures that are probably carcinogenic to humans. This category is used when there is limited evidence of carcinogenicity in humans and sufficient evidence of carcinogenicity in experimental animals. In some cases, an agent (mixture) may be classified in this category when there is inadequate evidence of carcinogenicity in humans and sufficient evidence of carcinogenicity in experimental animals and strong evidence that the carcinogenesis is mediated by a mechanism that also operates in humans. Exceptionally, an agent, mixture or exposure circumstance may be classified in this category solely on the basis of limited evidence of carcinogenicity in humans.

NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed ; Listed as: Benzyl chloride
MAK (DFG, 2002): Category 1 ; Listed as: alpha-Chlorinated toluenes: benzyl chloride

Category 1 : Substances that cause cancer in man and can be assumed to make a significant contribution to cancer risk. Epidemiological studies provide adequate evidence of a positive correlation between the exposure of humans and the occurence of cancer. Limited epidemiological data can be substantiated by evidence that the substance causes cancer by a mode of action that is relevant to man.

MAK (DFG, 2002): Category 2 ; Listed as: Benzyl chloride

Category 2 : Substances that are considered to be carcinogenic for man because sufficient data from long-term animal studies or limited evidence from animal studies substantiated by evidence from epidemiological studies indicate that they can make a significant contribution to cancer risk. Limited data from animal studies can be supported by evidence that the substance causes cancer by a mode of action that is relevant to man and by results of in vitro tests and short-term animal studies.

NTP (U.S. Department of Health and Human Services, Public Health Service, National Toxicology Project ): Not Listed

TOXICITY AND RISK ASSESSMENT VALUES

EPA IRIS

EPA Risk Assessment Values for CAS100-44-7 (U.S. Environmental Protection Agency, 2011):

Oral:

Slope Factor: 1.7x10(-1) per mg/kg-day
RfD:

Inhalation:

Unit Risk:
RfC:

Drinking Water:

Unit Risk: 4.9x10(-3) per mg/L

TOXICITY VALUES

References: Lewis, 2000 RTECS, 2001
- LC50- (INHALATION)MOUSE:
- LC50- (INHALATION)RAT:
- LD50- (ORAL)MOUSE:
- LD50- (ORAL)RAT:
- LD50- (SUBCUTANEOUS)RAT:
- TDLo- (INTRAPERITONEAL)MOUSE:
- TDLo- (ORAL)MOUSE:
- TDLo- (ORAL)RAT:
- TDLo- (SUBCUTANEOUS)RAT:

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS100-44-7 (American Conference of Governmental Industrial Hygienists, 2010):

Editor's Note: The listed values are recommendations or guidelines developed by ACGIH(R) to assist in the control of health hazards. They should only be used, interpreted and applied by individuals trained in industrial hygiene. Before applying these values, it is imperative to read the introduction to each section in the current TLVs(R) and BEI(R) Book and become familiar with the constraints and limitations to their use. Always consult the Documentation of the TLVs(R) and BEIs(R) before applying these recommendations and guidelines.

Adopted Value

Benzyl chloride

TLV:

TLV-TWA: 1 ppm
TLV-STEL:
TLV-Ceiling:

Notations and Endnotes:

Carcinogenicity Category: A3
Codes: Not Listed
Definitions:

A3: Confirmed Animal Carcinogen with Unknown Relevance to Humans: The agent is carcinogenic in experimental animals at a relatively high dose, by route(s) of administration, at site(s), of histologic type(s), or by mechanism(s) that may not be relevant to worker exposure. Available epidemiologic studies do not confirm an increased risk of cancer in exposed humans. Available evidence does not suggest that the agent is likely to cause cancer in humans except under uncommon or unlikely routes or levels of exposure.

TLV Basis - Critical Effect(s): Eye, skin, and URT irr
Molecular Weight: 126.58

For gases and vapors, to convert the TLV from ppm to mg/m(3):

[(TLV in ppm)(gram molecular weight of substance)]/24.45

For gases and vapors, to convert the TLV from mg/m(3) to ppm:

[(TLV in mg/m(3))(24.45)]/gram molecular weight of substance

AIHA WEEL Values for CAS100-44-7 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS100-44-7 (National Institute for Occupational Safety and Health, 2007):

Listed as: Benzyl chloride
REL:

TWA:
STEL:
Ceiling: 1 ppm (5 mg/m(3)) [15-minute]
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: Not Listed
Note(s):

IDLH:

IDLH: 10 ppm
Note(s): Not Listed

OSHA PEL Values for CAS100-44-7 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Listed as: Benzyl chloride
Table Z-1 for Benzyl chloride:

8-hour TWA:

ppm: 1

Parts of vapor or gas per million parts of contaminated air by volume at 25 degrees C and 760 torr.

mg/m3: 5

Milligrams of substances per cubic meter of air. When entry is in this column only, the value is exact; when listed with a ppm entry, it is approximate.

Ceiling Value:
Skin Designation: No
Notation(s): Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS100-44-7 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS100-44-7 (U.S. Environmental Protection Agency, 2010):

Listed as: Benzene, (chloromethyl)-
Final Reportable Quantity, in pounds (kilograms):

100 (45.4)

Additional Information:
Listed as: Benzyl chloride
Final Reportable Quantity, in pounds (kilograms):

100 (45.4)

Additional Information:

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS100-44-7 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS100-44-7 (U.S. Environmental Protection Agency, 2010b):

Listed as: Benzene, (chloromethyl)-
P or U series number: P028
Footnote:
Listed as: Benzyl chloride
P or U series number: P028
Footnote:
Editor's Note: The D, F, and K series waste numbers and Appendix VIII to Part 261 -- Hazardous Constituents were not included. Please refer to 40 CFR Part 261.

EPA SARA Title III, Extremely Hazardous Substance List for CAS100-44-7 (U.S. Environmental Protection Agency, 2010):

Listed as: Benzyl Chloride
Reportable Quantity, in pounds: 100

Only the statutory or final RQ is shown. For more information, see 40 CFR table 302.4.

Threshold Planning Quantity, in pounds:

500
Amount necessary to be covered by this standard. See 40 CFR 355.30.

Note(s): Not Listed

EPA SARA Title III, Community Right-to-Know for CAS100-44-7 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Listed as: Benzyl chloride
Effective Date for Reporting Under 40 CFR 372.30: 1/1/87
Lower Thresholds for Chemicals of Special Concern under 40 CFR 372.28:

DOT List of Marine Pollutants for CAS100-44-7 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS100-44-7 (EPA, 2005):

Listed as: Benzene, (chloromethyl)-

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 1738 (49 CFR 172.101, 2005):

Hazardous materials descriptions and proper shipping name: Benzyl chloride

Symbol(s): Not Listed
Hazard class or Division: 6.1

6.1: Poisonous materials. See 49 CFR section 173.132 for definitions.

Identification Number: UN1738
Packing Group: II

II: Packing Group II - indicates the degree of danger presented by the material is medium.

Label(s) required (if not excepted): 6.1, 8

6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).
8: Corrosive.

Special Provisions: A3, A7, B70, IB2, N33, N42, T8, TP2, TP12, TP13

A3: For combination packagings, if glass inner packagings (including ampoules) are used, they must be packed with absorbent material in tightly closed metal receptacles before packing in outer packagings.
A7: Steel packagings must be corrosion-resistant or have protection against corrosion.
B70: If DOT 103ANW tank car tank is used: All cast metal in contact with the lading must have 96.7 percent nickel content; and the lading must be anhydrous and free from any impurities.
IB2: Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130kPa at 55 °C (1.3 bar at 131 °F) are authorized.
N33: Aluminum drums are not authorized.
N42: 1A1 drums made of carbon steel with thickness of body and heads of not less than 1.3 mm (0.050 inch) and with a corrosion-resistant phenolic lining are authorized for stabilized benzyl chloride if tested and certified to the Packing Group I performance level at a specific gravity of not less than 1.8.
T8: Minimum test pressure (bar): 4; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): sxn.178.274(d)(2); Pressure-relief requirements (See sxn.178.275(g)): Normal; Bottom opening requirements (See sxn.178.275(d)): Prohibited.
TP2: a. The maximum degree of filling must not exceed the degree of filling determined by the following: [Degree of filling = 95/1+alpha(tr - tf)], where tr is the maximum mean bulk temperature during transport, tf is the temperature in degrees celsius of the liquid during filling, and alpha is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf) and the maximum mean bulk temperature during transportation (tr) both in degrees celsius; and b. For liquids transported under ambient conditions a may be calculated using the formula: [alpha = (d15-d50)/(35 x d50)], where d15 and d50 are the densities (in units of mass per unit volume) of the liquid at 15 degrees C (59 degrees F) and 50 degrees C (122 degrees F), respectively.
TP12: This material is considered highly corrosive to steel.
TP13: Self-contained breathing apparatus must be provided when this hazardous material is transported by sea.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: 153
Non-bulk packaging: 202
Bulk packaging: 243

Quantity Limitations:

Passenger aircraft or railcar: 1 L
Cargo aircraft only: 30 L

Vessel Stowage Requirements:

Vessel stowage location: D

D: The material must be stowed "on deck only" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers or one passenger per each 3 m of overall vessel length, but the material is prohibited on passenger vessels in which the limiting number of passengers is exceeded.

Vessel stowage other: 13, 40

13: Keep as dry as reasonably practicable.
40: Stow "clear of living quarters".

Hazardous materials descriptions and proper shipping name: Benzyl chloride unstabilized

Symbol(s): Not Listed
Hazard class or Division: 6.1

6.1: Poisonous materials. See 49 CFR section 173.132 for definitions.

Identification Number: UN1738
Packing Group: II

II: Packing Group II - indicates the degree of danger presented by the material is medium.

Label(s) required (if not excepted): 6.1, 8

6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).
8: Corrosive.

Special Provisions: A3, A7, B8, B11, IB2, N33, N34, N43, T8, TP2, TP12, TP13

A3: For combination packagings, if glass inner packagings (including ampoules) are used, they must be packed with absorbent material in tightly closed metal receptacles before packing in outer packagings.
A7: Steel packagings must be corrosion-resistant or have protection against corrosion.
B8: Packagings shall be made of nickel, stainless steel, or steel with nickel, stainless steel, lead or other suitable corrosion resistant metallic lining.
B11: Tank car tanks must have a test pressure of at least 2,068.5 kPa (300 psig). Cargo and portable tanks must have a design pressure of at least 1,207 kPa (175 psig).
IB2: Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130kPa at 55 °C (1.3 bar at 131 °F) are authorized.
N33: Aluminum drums are not authorized.
N34: Aluminum construction materials are not authorized for any part of a packaging which is normally in contact with the hazardous material.
N43: Metal drums are permitted as single packagings only if constructed of nickel or monel.
T8: Minimum test pressure (bar): 4; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): sxn.178.274(d)(2); Pressure-relief requirements (See sxn.178.275(g)): Normal; Bottom opening requirements (See sxn.178.275(d)): Prohibited.
TP2: a. The maximum degree of filling must not exceed the degree of filling determined by the following: [Degree of filling = 95/1+alpha(tr - tf)], where tr is the maximum mean bulk temperature during transport, tf is the temperature in degrees celsius of the liquid during filling, and alpha is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf) and the maximum mean bulk temperature during transportation (tr) both in degrees celsius; and b. For liquids transported under ambient conditions a may be calculated using the formula: [alpha = (d15-d50)/(35 x d50)], where d15 and d50 are the densities (in units of mass per unit volume) of the liquid at 15 degrees C (59 degrees F) and 50 degrees C (122 degrees F), respectively.
TP12: This material is considered highly corrosive to steel.
TP13: Self-contained breathing apparatus must be provided when this hazardous material is transported by sea.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: 153
Non-bulk packaging: 202
Bulk packaging: 243

Quantity Limitations:

Passenger aircraft or railcar: 1 L
Cargo aircraft only: 30 L

Vessel Stowage Requirements:

Vessel stowage location: D

D: The material must be stowed "on deck only" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers or one passenger per each 3 m of overall vessel length, but the material is prohibited on passenger vessels in which the limiting number of passengers is exceeded.

Vessel stowage other: 13, 40

13: Keep as dry as reasonably practicable.
40: Stow "clear of living quarters".

ICAO International Shipping Name for UN1738 (ICAO, 2002):

Proper Shipping Name: Benzyl chloride
UN Number: 1738

LABELS

NFPA

NFPA Hazard Ratings for CAS100-44-7 (NFPA, 2002):

Listed as: Benzyl Chloride
Hazard Ratings:

Health Rating (Blue): 3

(3) Seriously toxic material. Short term exposure could cause serious temporary or residual injury even though prompt medical treatment is given. Includes known or suspect small animal carcinogens, mutagens, or teratogens.

Flammability Rating (Red): 2

(2) Combustible. Materials that must be moderately heated before ignition can occur. Including liquids having a flash point above 100 degrees F, and solids that readily give off flammable vapors.

Instability Rating (Yellow): 1

(1) Materials which are normally stable, but which can become unstable at elevated temperatures and pressures, or which may react with water with some release of energy, but not violently.

Oxidizer/Water-Reactive Designation: Not Listed

-HANDLING AND STORAGE

SUMMARY

INDUSTRIAL CHEMICALS

Do not breath vapors or fumes and keep upwind of spills or leaks (Student, 1981). Do not handle broken containers without full protective equipment including boots, rubber clothing, goggles or face shield, rubber gloves, and a self-contained positive pressure breathing apparatus (Student, 1981; Plunkett, 1976; CHRIS , 1999).
For normal handling procedures, assure adequate ventilation and wear rubber protective clothing, chemical goggles, and a chemical cartridge respirator (Plunkett, 1976).

STORAGE

CONTAINER

Metal containers should not be employed unless glass, nickel, lead, or ceramic lined (OHM/TADS, 1999).

ROOM/CABINET RECOMMENDATIONS

Protect against physical damage (HSDB , 1999).
Store in a cool, dry, well-ventilated location, away from any area where the fire hazard may be acute (HSDB , 1999).
Outside or detached storage is preferred (HSDB , 1999).
Effective storage life is 2 to 3 months (OHM/TADS, 1999).

INCOMPATIBILITIES

Separate from oxidizing materials (HSDB , 1999).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

Wear positive pressure self-contained breathing apparatus (SCBA).
Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

RESPIRATORY PROTECTION

Refer to "Recommendations for respirator selection" in the NIOSH Pocket Guide to Chemical Hazards on TOMES Plus(R) for respirator information.

PROTECTIVE CLOTHING

CHEMICAL PROTECTIVE CLOTHING. Search results for CAS 100-44-7.

All data are compiled from published sources and are NOT recommended specifically by Truven Health Analytics. The appearance of specific manufacturers or products in this section does not represent an endorsement by Truven Health Analytics. No attempt has been made to verify the data presented. All product recommendations should be confirmed with the specific manufacturer for verification of product performance.
CLOTHING

Chlorinated Polyethylene

ILC Dover, Inc.

Chemturion

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): 47
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (ILC Dover, Inc., 1998)

Neoprene

National Safety Wear

Nation splash suit

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natprene splash suit

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Nattuf splash suit

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Neosafe II splash suit

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Neosafe I splash suit

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Neosafe V

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Neosafe VI

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

River City

Neoprene splash suits

Degradation Rating: Excellent
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (River City, 1995)

Tingley Rubber Corporation

Premier, Magnaprene

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Neoprene+Latex

Neese Industries, Inc.

Neoprene splash suits

Degradation Rating: Good
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Neese Industries, Inc., 2003)

Neoprene+PVC

National Safety Wear

Natchem Splash Suits

Degradation Rating: Poor (Not Recommended)
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Paracril+PVC

National Safety Wear

Natweb splash suits

Degradation Rating: Excellent
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natwork splash suits

Degradation Rating: Excellent
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Plastic Laminate

DuPont Personal Protection

CPF 3

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None detected
Notes: Not Listed
Citation: (DuPont, 2002)

Responder

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None detected
Notes: Not Listed
Citation: (DuPont, 2002)

Responder Plus

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None detected
Notes: Not Listed
Citation: (DuPont, 2002)

Tychem 10,000

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.001
Notes: liquid
Citation: (DuPont, 2002)

Tychem 7500

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
Notes: liquid
Citation: (DuPont, 2002)

Tychem 9400

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.01
Notes: liquid
Citation: (DuPont, 2002)

Tychem BR

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.01
Notes: Not Listed
Citation: (DuPont, 2002)

Tychem LV

Degradation Rating: Not Listed
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.01
Notes: Not Listed
Citation: (DuPont, 2003)

Tychem QC

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
Notes: liquid
Citation: (DuPont, 2002)

Tychem SL

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
Notes: liquid
Citation: (DuPont, 2002)

Tychem ThermoPro

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.05
Notes: Not Listed
Citation: (DuPont, 2003)

Tychem TK

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.01
Notes: Not Listed
Citation: (DuPont, 2002)
Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): <0.01
Notes: liquid
Citation: (DuPont, 2002)

Polyurethane

National Safety Wear

Natflex splash suits

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natsoft splash suits

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Neese Industries, Inc.

Polyurethane splash suits

Degradation Rating: Fair
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Neese Industries, Inc., 2003)

Tingley Rubber Corporation

Iron Eagle, Eagle

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Polyvinyl Chloride

National Safety Wear

Natcide splash suit

Degradation Rating: Poor (Not Recommended)
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natcon splash suit

Degradation Rating: Poor (Not Recommended)
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natlite II splash suit

Degradation Rating: Poor (Not Recommended)
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natlite I splash suit

Degradation Rating: Poor (Not Recommended)
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Natpro splash suit

Degradation Rating: Poor (Not Recommended)
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Nat-Wear, 2001)

Neese Industries, Inc.

PVC splash suits

Degradation Rating: Excellent
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Neese Industries, Inc., 2003)

Tingley Rubber Corporation

American, Scrim, DuraScrim, PVC Polyester, Double-Ply PVC, PVC Film

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Webdri, Safetyflex, Electra, ElectraBrite

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

FOOTWEAR

Natural Rubber

Tingley Rubber Corporation

Molded Overshoes, Hand-Made Footwear

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Neoprene

LaCrosse-Rainfair Safety Products

Not specified

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (LaCrosse-Rainfair, 1997)

North -- Safety 4H

Neoprene series - specific style not specified

Degradation Rating: Fair
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (North, 2002)

Servus (Norcross Safety Products)

Neoprene III

Degradation Rating: Fair
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Servus, 1995)

Tingley Rubber Corporation

Molded Overshoes, Hand-Made Footwear

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Nitrile+PVC

Onguard Industries

Heartland

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Bata Shoe Company, 1995)

Polyurethane+PVC

LaCrosse-Rainfair Safety Products

Not specified

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (LaCrosse-Rainfair, 1997)

Onguard Industries

Polyblend

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Bata Shoe Company, 1995)

Superpoly

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Bata Shoe Company, 1995)

Polyurethane Blend

LaCrosse-Rainfair Safety Products

Not specified

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (LaCrosse-Rainfair, 1997)

Polyvinyl Chloride

LaCrosse-Rainfair Safety Products

Not specified

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (LaCrosse-Rainfair, 1997)

North -- Safety 4H

PVC Series - specific style not specified

Degradation Rating: Fair
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (North, 2002)

Servus (Norcross Safety Products)

Supreme

Degradation Rating: Fair
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Servus, 1995)

Tingley Rubber Corporation

Two Stage Injection Molded, Better Grade, General Purpose, Workbrutes

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Two Stage Injection Molded, Premier

Degradation Rating: Poor
Breakthrough Time (minutes): Not reported
Permeation Rate (mcg/cm2/min): Not reported
Notes: Not Listed
Citation: (Tingley, 2002)

Rubber

North -- Safety 4H

Rubber Series - specific style not specified

Degradation Rating: Poor
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (North, 2002)

Rubber blend

LaCrosse-Rainfair Safety Products

Not specified

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (LaCrosse-Rainfair, 1997)

Onguard Industries

Bluemax

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Bata Shoe Company, 1995)

Polymax

Degradation Rating: Fair
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Bata Shoe Company, 1995)

Standard

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Bata Shoe Company, 1995)

Servus (Norcross Safety Products)

Not specified

Degradation Rating: Poor
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Servus, 1995)

GLOVES

Natural Rubber

Boss Manufacturing Company

Not specified

Degradation Rating: Poor
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Boss Manufacturing Company, 1998)

Neoprene

Boss Manufacturing Company

Not specified

Degradation Rating: Poor
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Boss Manufacturing Company, 1998)

MAPA Spontex, Inc.

Stanzoil/NL-34

Degradation Rating: Not Tested
Breakthrough Time (minutes): 17.2
Permeation Rate (mcg/cm2/min): 143.2
Notes: 99%
Citation: (MAPA Professional, 2004)

Nitrile

Boss Manufacturing Company

Not specified

Degradation Rating: Poor
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Boss Manufacturing Company, 1998)

Plastic Laminate

North -- Safety 4H

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): Not reported
Notes: tested at 21 degrees C; 70 degrees F
Citation: (Safety 4, 2002)
Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): >240
Permeation Rate (mcg/cm2/min): Not reported
Notes: tested at 35 degrees C; 95 degrees F
Citation: (Safety 4, 2002)

GENERAL INFORMATION

This section provides a compilation of chemical resistance information and test data for specific protective clothing products. Chemical resistance information includes both degradation resistance ratings and permeation resistance data. This information is designed to assist in the selection of appropriate protective clothing. Only data on specific products and manufacturers are included. Generic information or recommendations are not provided since significant differences can exist in the chemical resistance for apparent similar product types.
Specific product information is organized by general product type (gloves, garments, and footwear), material type, and manufacturer. The category 'garments' may include totally encapsulating suits, splash suits, as well as other items (e.g., coveralls, jackets, and aprons). Specific manufacturers should be contacted to determine the features of available styles/models.
In addition to chemical resistance information, there are many critical variables in the selection of protective clothing which cannot be represented in this summary of the literature. Some factors to be considered in choosing protective clothing include, but are not limited to: overall clothing integrity, physical hazard resistance, durability, human factors, ease of decontamination, and cost. Overall clothing integrity refers to a specific design's ability to offer consistent protection for all clothing-covered areas of the body. Physical hazards include resisting the effects of abrasion, cuts, tears, and punctures. Human factors entail effects on wearer mobility, visibility, and hearing for garments; dexterity, tactility, and grip for gloves; ankle support and weight for footwear; and, any effect of the clothing on the function of the wearer. There are several variations in the design for gloves, garments, and footwear that affect these factors. Protective clothing must properly be sized and correctly fit the wearer to ensure its proper use and function.
As required in the U.S.A., protective clothing should be selected based on a risk assessment of the workplace. This risk assessment must account for the identification of existing as well as potential hazards and involve the recommendation of protective clothing appropriate for the identified hazards. Therefore, the recommendations in this section should not be used as the sole basis for decisions on choice of protective clothing, but rather should be used as a tool by qualified occupational health and safety professionals or other technically qualified persons in conjunction with a review of all mitigating factors. Consult the OSHA PPE Standard (29 CFR 1910.132 - 1910.138) for regulations and additional guidance regarding the selection and use of protective clothing and equipment. For general information on protective clothing selection, refer to the "PERSONAL PROTECTIVE EQUIPMENT - OSHA PUB 3077" document.
PROTECTIVE CLOTHING SELECTION

Determine the type of protective clothing item needed based on a risk assessment (e.g., gloves, garments, footwear).
For high risk situations, choose clothing that covers all parts of the body that may be exposed. In many cases, multiple clothing items will be required. Low risk situations may permit partial body protective clothing. Select protective clothing products that have reported chemical resistance data. High risk situations involving full body clothing or extended chemical contact often require permeation resistance data to determine the barrier effectiveness of materials used in the construction of clothing. Relatively low risk situations, where only splash or incidental exposure occur, may allow use of protective clothing based on degradation or penetration resistance data. Specifics on the interpretation of chemical resistance data are presented below.
Other factors must be considered in addition to chemical resistance. The selected chemical protective clothing item should offer the optimal combination of protection against identified hazards while allowing maximum function and comfort.

INTERPRETATION OF DEGRADATION RATINGS

Degradation refers to physical changes in a material as the result of chemical exposure. Degradation may become evident in visible changes, such as discoloration, swelling, delamination, deterioration, or disintegration. Degradation effects may also be measured by weight change or other changes in a material's physical properties (e.g., strength, elasticity, hardness).
Degradation resistance ratings are provided by manufacturers to rate the amount of degradation that occurs for a particular protective clothing material when contacted by a chemical. All degradation ratings are qualitative and include ratings, such as "EXCELLENT," "GOOD," "FAIR," "POOR," and "NOT RECOMMENDED." There is no standard test method for the measurement of chemical degradation resistance; therefore, manufacturer ratings may be based on different testing approaches. This makes comparison of degradation ratings between manufacturers unreliable.
The use of degradation resistance ratings alone to recommend protective clothing, particularly for high hazard situations, should be avoided. Degradation resistance testing does not directly assess the barrier quality of protective clothing, since materials can show relatively little degradation but still allow either permeation or penetration by a chemical. Degradation resistance ratings can be used to exclude protective clothing materials from consideration. Protective clothing materials with a "NOT RECOMMENDED" degradation resistance rating should never be used.
For some products, the rating "NO PENETRATION" is provided. This refers to penetration resistance test results that are based on a different procedure (American Society for Testing and Materials (ASTM) Standard Test Method F 903). Penetration resistance testing involves placing a material sample in a test cell, exposing the exterior side of the material to a chemical, and then observing the interior side of the material for visible signs of liquid penetration. Part of the test is conducted at an elevated pressure. Test results are reported as pass (no penetration) or fail (penetration detected). Unlike degradation testing, penetration testing provides an assessment of protective clothing material barrier performance. Since penetration resistance testing examines only observable amounts of liquid penetration, permeation may still occur. The use of penetration resistance data must be restricted to liquid chemicals, and should be limited to scenarios where there is no reasonable vapor exposure hazard under the conditions of exposure.

INTERPRETATION OF PERMEATION DATA

Permeation is the process of chemical movement through a material on a molecular level. Permeation resistance refers to the ability of a material to retard or prevent chemical movement through it. Permeation may occur without any visible signs of degradation.
Permeation resistance is measured using a test cell which is divided into two halves by a protective clothing specimen. Chemical is placed on the challenge side, while the collection side is periodically monitored for permeating chemical. Permeation data were obtained in accordance with the American Society for Testing and Materials (ASTM) Standard Test Method F 739 (Resistance of Materials Used in Protective Clothing to Permeation by Liquids and Gases), unless stated otherwise. In the case of chemicals that are classified as warfare agents, the data were obtained in accordance with the Military Standard 282 (MIL-STD-282) (Military Standard, Filter Units, Protective Clothing, Gas-Mask Components, and Related Products: Performance Test Methods).
Permeation rate is the amount of chemical that passes through a material for a measured surface area per unit time. In this section, permeation rate is expressed in micrograms per square centimeter per minute (mcg/cm(2)/min). The reported permeation rate is either the steady-state rate or the maximum rate observed during testing. In some cases, very large permeation rates exceed measurement techniques and are reported as ">" (greater than) or "HIGH."
Breakthrough time is the elapsed time, in minutes, from the time the chemical comes in contact with the material exterior surface, to the time that chemical is detected on the interior surface. When no breakthrough is detected, the breakthrough time is report as ">" the testing period. If permeation breakthrough is rapid, results are reported as "<" (less than) the earlier sampling time or as "IMMEDIATELY" (which usually means breakthrough in less than 4 minutes).
The breakthrough time should exceed the expected use period of the selected protective clothing. Additionally, there are several other factors that must be taken into account to provide appropriate protection.
Permeation testing is usually conducted with full strength, undiluted chemical for the duration of the test period. Actual exposures may involve diluted chemical for short or intermittent exposure periods.
Permeation testing is usually conducted at room temperature. Permeation occurs faster at elevated temperatures (short breakthrough times and higher permeation rates) and slower at reduced temperatures (long breakthrough times and lower permeation rates).
Permeation resistance of mixtures cannot usually be determined on the basis of the individual chemicals making up the mixture. Synergistic effects may occur and result in more rapid permeation than accounted for by the individual mixture chemicals.
Permeation rates may be used to calculate potential wearer exposure; however, several assumptions must be made about the extent of exposure and condition of clothing wear. Furthermore, there are few chemicals with dermal exposure limits, making it difficult to determine an acceptable skin exposure level.

COMPANY INFORMATION

Boss Manufacturing Company 221 W. First Street Kewanee, IL 61443 USA Phone: (309) 852-2131 Fax: (309) 852-0848 Toll-Free: (800) 447-4581 Website: http://www.bossgloves.com Email: custserv@bossgloves.com
DuPont Personal Protection P. O. Box 80705 Wilmington, DE 19880-0705 USA Phone: (302) 774-1000 Toll-Free: (800) 931-3456 Website: http://personalprotection.dupont.com Email: personalprotection@usa.dupont.com
ILC Dover, Inc. One Moonwalker Rd. Frederica, DE 19946-2080 USA Phone: (302) 335-3911 Toll-Free: (800) 631-9567 Website: http://www.ilcdover.com Email: Customer_Service@ilcdover.com
LaCrosse-Rainfair Safety Products 18550 NE Riverside Parkway Portland, OR 97230 USA Phone: (800) 557-7246 Fax: (800) 558-0188 Toll-Free: (800) 557-7246 Website: http://www.lacrosserainfair.com Email: info@lacrossesafety.com
MAPA Spontex, Inc. 100 Spontex Dr. Columbia, TN 38401 USA Phone: (800) 537--2897 Fax: (800) 537--3299 Website: http://www.mapaglove.com Email: sales@mapaglove.com
National Safety Wear 9 High Street Miora, NY 12957 USA Phone: (800) 833-7270 Fax: (518) 529-7401 Toll-Free: (800) 833-7270 Website: http://www.natwear.com Email: sales@natwear.com
Neese Industries, Inc. 10646 Airline Hwy Gonzales, LA 70737 USA Phone: (225) 647-6553 Fax: (225) 644-3517 Toll-Free: (800) 535-8042 Website: http://www.neeseind.com Email: customerservice@neeseind.com
North -- Safety 4H 2000 Plainfield Pike Cranston, RI 02921 USA Phone: (800) 430-4110 Fax: (800) 572-6346 Toll-Free: (800) 430-4110 Website: http://www.safety4.com
Onguard Industries 1850 Clark Road Havre de Grace, MD 21078 USA Phone: (410) 272-2000 Fax: (800) 304-2282 Toll-Free: (800) 365-2282 Website: http://www.onguardindustries.com Email: support@onguardindustries.com
River City 5321 East Shelby Dr. Memphis, TN 38188 USA Phone: (800) 888-0347 Fax: (901) 795-3815 Toll-Free: (800) 888-0347 Website: http://www.protectivewear.com Email: support@protectivewear.com
Servus (Norcross Safety Products) 1136 Second St Rock Island, IL 61202 USA Phone: (800) 777-9021 Fax: (800) 267-6809 Toll-Free: (800) 777-9021 Website: http://www.servusproducts.com Email: info@nspusa.com
Tingley Rubber Corporation One Cragwood Road PO Box 100 South Plainfield, NJ 07080 USA Phone: (800) 631-5498 Fax: (866) 757-9239 Toll-Free: (800) 631-5498 Website: http://www.tingleyrubber.com

REFERENCES

CHEMICAL PROTECTIVE CLOTHING CITATIONS

The following sources were consulted for chemical protective clothing data:

(Ansell-Edmont, 2001)
(Bata Shoe Company, 1995)
(Best Manufacturing, 2002)
(Best Manufacturing, 2004)
(Boss Manufacturing Company, 1998)
(ChemFab Corporation, 1993)
(Comasec Safety, Inc., 2003)
(Comasec Safety, Inc., 2003a)
(DuPont, 2002)
(DuPont, 2002)
(DuPont, 2003)
(Guardian Manufacturing Group, 2001)
(ILC Dover, Inc., 1998)
(Kappler Inc., 2001)
(Kimberly-Clark, 2002)
(LaCrosse-Rainfair, 1997)
(MAPA Professional, 2003)
(MAPA Professional, 2004)
(Mar-Mac Manufacturing, Inc, 1995)
(Marigold Industrial, 2003)
(Memphis Glove Company, 2001)
(Montgomery Safety Products, 1995)
(Nat-Wear, 2001)
(Neese Industries, Inc., 2003)
(North, 2002)
(North, 2002)
(Playtex, 1995)
(River City, 1995)
(Safety 4, 2002)
(Servus, 1995)
(Standard Safety Equipment, 1995)
(Tingley, 2002)
(Trelleborg-Viking, Inc., 2001)
(Trelleborg-Viking, Inc., 2002)
(Wells Lamont Industrial, 2002)
(Workrite, 1997)

-PHYSICAL HAZARDS

FIRE HAZARD

SUMMARY

POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
- Combustible material: may burn but does not ignite readily.
- Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff.
- When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards.
- Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks).
- Vapors may travel to source of ignition and flash back.
- Contact with metals may evolve flammable hydrogen gas.
- Containers may explode when heated or if contaminated with water.
Benzyl chloride is flammable and moderately explosive when exposed to heat or flame (Lewis, 1992).

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS100-44-7 (NFPA, 2002):

Listed as: Benzyl Chloride
Flammability Rating: 2

(2) Combustible. Materials that must be moderately heated before ignition can occur. Including liquids having a flash point above 100 degrees F, and solids that readily give off flammable vapors.

FIRE CONTROL/EXTINGUISHING AGENTS

FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

Note: Most foams will react with the material and release corrosive/toxic gases.

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

CO2, dry chemical, dry sand, alcohol-resistant foam.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

Water spray, fog or alcohol-resistant foam.
FOR CHLOROSILANES, DO NOT USE WATER; use AFFF alcohol-resistant medium expansion foam.
Move containers from fire area if you can do it without risk.
Use water spray or for; do not use straight streams.

TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
Do not get water inside containers.
Cool containers with flooding quantities of water until well after fire is out.
Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank.
ALWAYS stay away from tanks engulfed in fire.

NFPA Extinguishing Methods for CAS100-44-7 (NFPA, 2002):

Listed as: Benzyl Chloride
Extinguishing Method(s): 3

3: "Water may be used to blanket fire" applies when the liquid has a specific gravity of 1.1 or greater, or is not water-soluble. In this case, water can be gently applied in a fine spray or fog to the liquid surface.

COMBUSTION TOXICITY

When heated to decomposition, benzyl chloride emits toxic fumes of chlorides, including hydrogen chloride (Lewis, 1992; CHRIS , 1993).

EXPLOSION HAZARD

Benzyl chloride may explode during distillation (Lewis, 1992).

The decomposition rate can reach explosive violence in the presence of metals such as iron (Lewis, 1992).

Catalytic impurities (eg, aluminum, iron, rust) or sodium acetate + pyridine + iron (at 115 degrees C) may cause violent polymerization reactions (Lewis, 1992).

DUST/VAPOR HAZARD

When heated to decomposition, benzyl chloride emits toxic fumes of chlorides, including hydrogen chloride (Lewis, 1992; CHRIS , 1993).

Benzyl chloride will react with water or steam to produce corrosive and toxic fumes (Lewis, 1992).

REACTIVITY HAZARD

Benzyl chloride is flammable and moderately explosive when exposed to heat or flame (Lewis, 1996).

When heated to decomposition, benzyl chloride emits toxic fumes of chlorides, including hydrogen chloride (Lewis, 1996; CHRIS , 1999).

Benzyl chloride rapidly decomposes when heated in the presence of iron (Budavari, 1996).

The decomposition rate can reach explosive violence in the presence of metals such as iron (Lewis, 1996).

It can react vigorously with oxidizing materials (Lewis, 1996).

Benzyl chloride is corrosive to metal (HSDB , 1999).

Benzyl chloride decomposes rapidly when exposed to all common metals except lead and nickel and liberates heat and hydrochloric acid (CHRIS , 1999; HSDB , 1999).

Benzyl chloride will react with water or steam to produce corrosive and toxic fumes (Lewis, 1996).

It undergoes slow hydrolysis, liberating hydrogen chloride (CHRIS , 1999).
It decomposes in hot water to benzyl alcohol (HSDB , 1999).

This compound is incompatible with dimethyl sulfoxide (Lewis, 1999).

Benzyl chloride may form phosgene when heated (Plunkett, 1976).

Catalytic impurities (eg, aluminum, iron, rust) or sodium acetate + pyridine + iron (at 115 degrees C) may cause violent polymerization reactions (Lewis, 1996).

EVACUATION PROCEDURES

SUMMARY

Editor's Note: This material is not listed in the Table of Initial Isolation and Protective Action Distances.

SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

Increase, in the downwind direction, as necessary, the isolation distance of at least 50 meters (150 feet) for liquids and 25 meters (75 feet) for solids in all directions.

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.

PUBLIC SAFETY MEASURES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)

CALL Emergency Response Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number:

MEXICO:

SETIQ:

01-800-00-214-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5559-1588;
For calls originating elsewhere, call: 011-52-555-559-1588.

CENACOM:

01-800-00-413-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5550-1496, 5550-1552, 5550-1485, or 5550-4885;
For calls originating elsewhere, call: 011-52-555-550-1496, or 011-52-555-550-1552; 011-52-555-550-1485, or 011-52-555-550-4885.

ARGENTINA:

CIQUIME:

0-800-222-2933 in the Republic of Argentina;
For calls originating elsewhere, call: +54-11-4613-1100.

BRAZIL:

PRÓ-QUÍMICA:

0-800-118270 (Toll-free in Brazil);
For calls originating elsewhere, call: +55-11-232-1144 (Collect calls are accepted).

COLUMBIA:

CISPROQUIM:

01-800-091-6012 in Colombia;
For calls originating in Bogotá, Colombia, call: 288-6012;
For calls originating elsewhere, call: 011-57-1-288-6012.

CANADA:

CANUTEC:

613-996-6666 (Collect calls are accepted);
*666 cellular (in Canada only).

UNITED STATES:

CHEMTREC®:

1-800-424-9300 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
703-527-3887 for calls originating elsewhere (Collect calls are accepted).

CHEM-TEL, INC.:

1-800-255-3924 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
813-248-0585 for calls originating elsewhere (Collect calls are accepted).

INFOTRAC:

1-800-535-5053 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
352-323-3500 for calls originating elsewhere (Collect calls are accepted).

3E COMPANY:

1-800-451-8346 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
760-602-8703 for calls originating elsewhere (Collect calls are accepted).

NATIONAL RESPONSE CENTER (NRC):

1-800-424-8802 - (24 hours) (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
202-267-2675 for calls in the District of Columbia.

MILITARY SHIPMENTS:

703-697-0218 - Explosives/ammunition incidents (Collect calls are accepted);
1-800-851-8061 - All other dangerous goods incidents.

NATIONWIDE POISON CONTROL CENTER (United States only):

1-800-222-1222 (Toll-free in the U.S.).

For additional details see the section entitled "WHO TO CALL FOR ASSISTANCE" under the ERG Instructions.
As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
Keep unauthorized personnel away.
Stay upwind.
Keep out of low areas.
Ventilate enclosed areas.

AIHA ERPG Values for CAS100-44-7 (AIHA, 2006):

Listed as Benzyl Chloride
ERPG-1 (units = ppm): 1
ERPG-2 (units = ppm): 10
ERPG-3 (units = ppm): 50
Under Ballot, Review, or Consideration: No
Definitions:

ERPG-1: The ERPG-1 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing more than mild, transient adverse health effects or perceiving a clearly defined objectionable odor.
ERPG-2: The ERPG-2 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing or developing irreversible or other serious health effects or symptoms that could impair an individual's ability to take protective action.
ERPG-3: The ERPG-3 is the maximum airborne concentration below which it is believed nearly all individuals could be exposed for up to one hour without experiencing or developing life-threatening health effects.

DOE TEEL Values for CAS100-44-7 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Benzyl chloride
TEEL-0 (units = ppm): 1
TEEL-1 (units = ppm): 1
TEEL-2 (units = ppm): 10
TEEL-3 (units = ppm): 50
Definitions:

TEEL-0: The threshold concentration below which most people will experience no adverse health effects.
TEEL-1: The airborne concentration (expressed as ppm [parts per million] or mg/m(3) [milligrams per cubic meter]) of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic, nonsensory effects. However, these effects are not disabling and are transient and reversible upon cessation of exposure.
TEEL-2: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting, adverse health effects or an impaired ability to escape.
TEEL-3: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening adverse health effects or death.

AEGL Values for CAS100-44-7 (National Research Council, 2010; National Research Council, 2009; National Research Council, 2008; National Research Council, 2007; NRC, 2001; NRC, 2002; NRC, 2003; NRC, 2004; NRC, 2004; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; United States Environmental Protection Agency Office of Pollution Prevention and Toxics, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; 62 FR 58840, 1997; 65 FR 14186, 2000; 65 FR 39264, 2000; 65 FR 77866, 2000; 66 FR 21940, 2001; 67 FR 7164, 2002; 68 FR 42710, 2003; 69 FR 54144, 2004):

Not Listed

NIOSH IDLH Values for CAS100-44-7 (National Institute for Occupational Safety and Health, 2007):

IDLH: 10 ppm
Note(s): Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
- ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area).
- All equipment used when handling the product must be grounded.
- Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.
- Stop leak if you can do it without risk.
- A vapor suppressing foam may be used to reduce vapors.
- FOR CHLOROSILANES, use AFFF alcohol-resistant medium expansion foam to reduce vapors.
- DO NOT GET WATER on spilled substance or inside containers.
- Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material.
- Prevent entry into waterways, sewers, basements or confined areas.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
- Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
At the time of this review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices (HSDB , 1993).
ENVIRONMENTAL CONSIDERATIONS - LAND SPILL (AAR, 1987)
- Dig a pit, pond, lagoon, or holding area to contain liquid or solid material.
- Dike surface flow using soil, sand bags, foamed polyurethane, or foamed concrete.
- Apply "universal" gelling agent to immobilize spill.
ENVIRONMENTAL CONSIDERATIONS - WATER SPILL (AAR, 1987)
- Use natural deep water pockets, excavated lagoons, or sand bag barriers to trap material at bottom.
- Remove trapped material with suction hoses.
- If dissolved in region of 10 ppm or greater concentration, apply activated carbon at ten times the spilled amount.
- Use mechanical dredges or lifts to remove immobilized masses of pollutants and precipitates.
ENVIRONMENTAL CONSIDERATIONS - AIR SPILL (AAR, 1987)
- Apply water spray or mist to knock down vapors.
- Vapor knockdown water is corrosive or toxic and should be diked for containment.
Benzyl chloride is a good candidate for liquid injection incineration and rotary kiln incineration (HSDB , 1993).
DEGRADATION METHODS: Lunn & Sansone (1991) describe 2 methods for degrading benzyl chloride to non-mutagenic mixtures (as determined by the Ames Test). A reductive dehalogenation method using nickel-aluminum alloy in dilute base degrades benzyl chloride to a mixture containing toluene (29%) and bibenzyl (7%). Refluxing the compound with ethanolic potassium hydroxide degrades benzyl chloride to a mixture containing 85% PhCH2OEt.

SMALL LEAK/SPILL

SMALL SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
- Cover with DRY earth, DRY sand or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain.
- Use clean non-sparking tools to collect material and place it into loosely covered plastic containers for later disposal.

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

Benzyl chloride is released to the environment by emissions associated with its production and use or waste incineration, and by emissions from floor tile manufactured with butyl benzyl phthalate. Due to its rapid transformation in environmental media, benzyl chloride is not expected to be a persistent environmental contaminant (HSDB , 1993).

Air: The dominant removal mechanism of benzyl chloride in the atmosphere is its reaction with hydroxyl radicals (HSDB , 1993).

Air: The atmospheric residence time of benzyl chloride, with respect to hydroxyl radical reactions, has been estimated to be approximately 3 days. The atmospheric half-life with respect to ozone reaction is in excess of 200 days and is therefore not competitive with hydroxyl radical reaction (HSDB , 1993).

Air: Physical removal of benzyl chloride from the atmosphere is not likely to be important compared with hydroxyl reactions (HSDB , 1993).

Water: In water, the dominant removal mechanism for benzyl chloride will be hydrolysis which has half-lives ranging from 19.1 to 0.58 days at respective temperature ranges of 0.1 to 25 degrees C (HSDB , 1993).

Water: Volatilization from shallow, rapidly moving streams may be a competitive removal mechanism with hydrolysis; however, in most environmental bodies of water, hydrolysis should be dominant (HSDB , 1993).

Water: Screening tests have shown that benzyl chloride is readily biodegradable; therefore, biodegradation may have some importance in various natural waters (HSDB , 1993).

Water: Bioconcentration in aquatic organisms and adsorption to sediment and suspended matter is not expected to be important (HSDB , 1993).

Soil: Benzyl chloride can be expected to hydrolyze quite rapidly in moist soils based on its relatively rapid hydrolysis in aqueous solutions (HSDB , 1993).

Soil: Significant leaching in soil is likely to occur; however, hydrolytic decomposition may occur in moist soil at rates sufficient to significantly minimize the importance of leaching (HSDB , 1993).

Soil: Screening tests have shown that benzyl chloride is readily biodegradable; therefore, biodegradation in various soils may be important (HSDB , 1993).

Soil: The relatively high vapor pressure of benzyl chloride suggests that evaporation from dry surfaces may be relatively rapid (HSDB , 1993).

ENVIRONMENTAL FATE AND KINETICS

OTHER

OTHER
- Air: The atmospheric residence time of benzyl chloride, with respect to hydroxyl radical reactions, has been estimated to be approximately 3 days. The atmospheric half-life with respect to ozone reaction is in excess of 200 days (HSDB , 1993).
- Water: In water, the dominant removal mechanism for benzyl chloride will be hydrolysis which has half-lives ranging from 19.1 to 0.58 days at respective temperature ranges of 0.1 to 25 degrees C (HSDB , 1993).

ENVIRONMENTAL TOXICITY

WATER: Benzyl chloride is harmful to aquatic life in very low concentrations (CHRIS , 1993).

At 0.05 mg/L no irritant response occurred in salt water marine life, while a concentration of 0.1 mg/L has produced a violent irritant response (CHRIS , 1993).

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

126.59 (Lewis & Sr, 2000)

DESCRIPTION/PHYSICAL STATE

Benzyl chloride is a colorless to slightly yellow very refractive liquid with a pungent, aromatic, rather unpleasant, sharp irritating odor (HSDB , 2001; Lewis & Sr, 2000; Budavari, 1996; CHRIS , 1999) NFPA, 1997; (ACGIH, 1986).

No information found at the time of this review.

VAPOR PRESSURE

1 mmHg (at 22 degrees C) (HSDB , 2001; ACGIH, 1986)

SPECIFIC GRAVITY

OTHER TEMPERATURE AND/OR PRESSURE

LIQUID: 1.100 (at 20/20 degrees C) (Budavari, 1996)
LIQUID: 1.1026 (at 18/4 degrees C) (Lewis & Sr, 2000)

FREEZING/MELTING POINT

FREEZING POINT

-39 degrees C (IARC, 1982)

MELTING POINT

-48 to -43 degrees C (Budavari, 1996)

BOILING POINT

179 degrees C (Budavari, 1996)

FLASH POINT

67.2 degrees C; 153 degrees F (open cup) (Lewis & Sr, 2000) Lewis, 1997)

140 degrees F (closed cup) (CHRIS , 1999)

AUTOIGNITION TEMPERATURE

1085 degrees F (Lewis & Sr, 2000)

EXPLOSIVE LIMITS

LOWER

1.1% (Lewis & Sr, 2000)

SOLUBILITY

IN WATER

Benzyl chloride is insoluble in water (Budavari, 1996; CHRIS , 1999).
493 ppm (at 20 degrees C) (HSDB , 2001)

IN ORGANIC SOLVENTS

It is soluble in most organic solvents including alcohol, chloroform, and ether (Budavari, 1996; ACGIH, 1986).
Benzyl chloride solubility is >10% in ethanol, ethyl ether, and chloroform (HSDB , 2001).

OTHER/PHYSICAL

ODOR THRESHOLD

0.047 ppm (CHRIS , 2002)

-REFERENCES

GENERAL BIBLIOGRAPHY

40 CFR 372.28: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Lower thresholds for chemicals of special concern. National Archives and Records Administration (NARA) and the Government Printing Office (GPO). Washington, DC. Final rules current as of Apr 3, 2006.

40 CFR 372.65: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Chemicals and Chemical Categories to which this part applies. National Archives and Records Association (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Apr 3, 2006.

49 CFR 172.101 - App. B: Department of Transportation - Table of Hazardous Materials, Appendix B: List of Marine Pollutants. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 29, 2005.

49 CFR 172.101: Department of Transportation - Table of Hazardous Materials. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 11, 2005.

62 FR 58840: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 1997.

65 FR 14186: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

65 FR 39264: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

65 FR 77866: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

66 FR 21940: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2001.

67 FR 7164: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2002.

68 FR 42710: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2003.

69 FR 54144: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2004.

ACGIH: Documentation of the Threshold Limit Values, 5th ed, Am Conference of Govt Ind Hyg, Inc, Cincinnati, OH, 1986.

AIHA: 2006 Emergency Response Planning Guidelines and Workplace Environmental Exposure Level Guides Handbook, American Industrial Hygiene Association, Fairfax, VA, 2006.

Abdel-Rahman MS & Saxena S: Effect of benzyl chloride on rat hepatocytes. J Toxicol Environ Health 1988; 25:453-459.

Aceto T Jr, Terplan K, & Fiore RR: Chemical burns of the esophagus in children and glucocorticoid therapy. J Med 1970; 1:101-109.

Adam JS & Brick HG: Pediatric caustic ingestion. Ann Otol Laryngol 1982; 91:656-658.

American Conference of Governmental Industrial Hygienists : ACGIH 2010 Threshold Limit Values (TLVs(R)) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs(R)), American Conference of Governmental Industrial Hygienists, Cincinnati, OH, 2010.

Anderson KD, Touse TM, & Randolph JG: A controlled trial of corticosteroids in children with corrosive injury of the esophagus. N Engl J Med 1990; 323:637-640.

Ansell-Edmont: SpecWare Chemical Application and Recommendation Guide. Ansell-Edmont. Coshocton, OH. 2001. Available from URL: http://www.ansellpro.com/specware. As accessed 10/31/2001.

Aranyi C, O'Shea WJ, & Graham JA: The effects of organic chemical air contaminants on murine lung host defenses. Fundam Appl Toxicol 1986; 6:713-720.

Artigas A, Bernard GR, Carlet J, et al: The American-European consensus conference on ARDS, part 2: ventilatory, pharmacologic, supportive therapy, study design strategies, and issues related to recovery and remodeling.. Am J Respir Crit Care Med 1998; 157:1332-1347.

Ashby J, Gaunt C, & Robinson M: Carcinogenicity bioassay of 4-chloromethyl biphenyl (4CMB), 4-hydroxymethyl (4HMB) and benzyl chloride (BC) on mouse skin. Interim 7-month report. Mutat Res 1982; 100:399-401.

Bata Shoe Company: Industrial Footwear Catalog, Bata Shoe Company, Belcamp, MD, 1995.

Best Manufacturing: ChemRest Chemical Resistance Guide. Best Manufacturing. Menlo, GA. 2002. Available from URL: http://www.chemrest.com. As accessed 10/8/2002.

Best Manufacturing: Degradation and Permeation Data. Best Manufacturing. Menlo, GA. 2004. Available from URL: http://www.chemrest.com/DomesticPrep2/. As accessed 04/09/2004.

Booth SC, Mould AJ, & Shaw A: The biological activity of 4-chloromethylbiphenyl, benzyl chloride and 4-hydroxymethylbiphenyl in four short-term tests for carcinogencity. A report of an individual study in the UKEMS genotoxicity trial 1981. Mutat Res 1983; 119:121-133.

Boss Manufacturing Company: Work Gloves, Boss Manufacturing Company, Kewanee, IL, 1998.

Boukthir S, Fetni I, Mrad SM, et al: [High doses of steroids in the management of caustic esophageal burns in children]. Arch Pediatr 2004; 11(1):13-17.

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BENZYL CHLORIDE

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Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents