CYCLOHEXANONE

CYCLOHEXANONE is a white to pale yellow, oily liquid with an odor similar to those of peppermint and acetone (Sax, 1984; HSDB). It is somewhat soluble in water (87 g/L at 68 degrees F/20 degrees C), and is soluble in acetone, alcohol, ether, and organic solvents (HSDB).

SOURCES

Cyclohexanone can be produced by catalytic oxidation of cyclohexane. It can also be obtained from cyclohexanol by catalytic dehydrogenation or by oxidation; by catalytic hydrogenation of phenol; or by the catalytic air-oxidation of cyclohexane (HSDB, 2003).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Inhalation or contact with material may irritate or burn skin and eyes.
Fire may produce irritating, corrosive and/or toxic gases.
Vapors may cause dizziness or suffocation.
Runoff from fire control may cause pollution.

ACUTE CLINICAL EFFECTS

Cyclohexanone is an eye, nose, and throat irritant at an airborne concentration of 50 ppm; 75 ppm causes marked irritation; and 125 ppm causes significant irritation (Clayton & Clayton, 1982). Occasional skin contact may not cause irritation; however, cyclohexanone can be absorbed through intact skin (HSDB). Inhalation of the vapors or mist can cause CNS depression (HSDB), with nausea, headache, weakness, dizziness, and loss of coordination.

Skin uptake of liquid cyclohexanone was of minor importance in 3 human volunteers; measured absorption rates were 0.037 to 0.069 mg/cm(2)/hour (Mraz et al, 1994).

Cyclohexanone caused skin irritation in rabbits and corneal damage in rats and rabbits with direct exposure (HSDB, Anon, 1967).

CHRONIC CLINICAL EFFECTS

No serious industrial cyclohexanone poisonings have been reported (HSDB). It can have a defatting effect on the skin (HSDB). Cyclohexanone has caused damage to the liver and kidneys in rabbits exposed by inhalation to an airborne concentration of 190 ppm (ACGIH, 1986), and degenerative damage in many organs and anemia in the guinea pig with injection exposure (Ceresa & Grazioli, 1951). It caused CNS depression, respiratory failure, and general vascular and tissue reactions in experimental animals (Gupta, 1979).

Cyclohexanone did not cause damage to the peripheral nervous system in rats, in contrast to n-hexane (Perbellini, 1981). Chronic intoxication stimulated CNS activity for up to 1.5 months in rats, then inhibited it for 2 to 3 months, followed by normalization after 4 to 5 months of administration (Pavlenko & Guseva, 1973).

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
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.
Wash skin with soap and water.
In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin.
Keep victim warm and quiet.
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.

FIRST AID

INHALATION EXPOSURE -

INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with an inhaled beta2-adrenergic agonist. Consider systemic corticosteroids in patients with significant bronchospasm.

DERMAL EXPOSURE -

DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).
DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).

EYE EXPOSURE -

DECONTAMINATION: Remove contact lenses and irrigate exposed eyes with copious amounts of room temperature 0.9% saline or water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist after 15 minutes of irrigation, the patient should be seen in a healthcare facility.

ORAL EXPOSURE -

Emesis is contraindicated because cyclohexanone is irritating.
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.
GASTRIC LAVAGE: Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Protect airway by placement in the head down left lateral decubitus position or by endotracheal intubation. Control any seizures first.

CONTRAINDICATIONS: Loss of airway protective reflexes or decreased level of consciousness in unintubated patients; following ingestion of corrosives; hydrocarbons (high aspiration potential); patients at risk of hemorrhage or gastrointestinal perforation; and trivial or non-toxic ingestion.

ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

GENERAL/SUMMARY

The minimum lethal human dose to this agent has not been delineated.

MAXIMUM TOLERATED EXPOSURE

CONCENTRATION LEVEL

Irritation is common at atmospheric concentrations above 50 ppm. Exposure to high concentrations can be expected to produce central nervous system depression (Clayton & Clayton, 1982).
In most human subjects, exposure to 25 ppm of the vapor for 5 minutes did not cause effects, while 50 ppm was irritating, especially to the throat. Exposure to 75 ppm resulted in more noticeable eye, nose, and throat irritation (Proctor et al, 1988).

ANIMAL DATA

Rabbits exposed to 190 ppm for 6 hours per day for 50 days showed slight liver and kidney injury. At 309 ppm, there was slight conjunctival irritation, while at 1414 ppm, lethargy was observed. At 3082 ppm, effects were incoordination, salivation, labored breathing, narcosis, and some deaths (Proctor et al, 1988).
Five of six rats survived exposure to 2000 ppm for 4 hours, but 4000 ppm caused coma and death to all six rats (Proctor et al, 1988).
Narcosis, hypothermia, and decreased respiration were observed in guinea pigs exposed to 4000 ppm for 6 hours. Recovery from narcosis was slow, and 3 of 10 animals died within 4 days of exposure (Proctor et al, 1988).

Carcinogenicity Ratings for CAS108-94-1 :

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

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): Not Assessed under the IRIS program. ; Listed as: Cyclohexanone
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): 3 ; Listed as: Cyclohexanone

3 : The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans. This category is used most commonly for agents, mixtures and exposure circumstances for which the evidence of carcinogenicity is inadequate in humans and inadequate or limited in experimental animals. Exceptionally, agents (mixtures) for which the evidence of carcinogenicity is inadequate in humans but sufficient in experimental animals may be placed in this category when there is strong evidence that the mechanism of carcinogenicity in experimental animals does not operate in humans. Agents, mixtures and exposure circumstances that do not fall into any other group are also placed in this category.

NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed ; Listed as: Cyclohexanone
MAK (DFG, 2002): Category 3B ; Listed as: Cyclohexanone

Category 3B : Substances for which in vitro or animal studies have yielded evidence of carcinogenic effects that is not sufficient for classification of the substance in one of the other categories. Further studies are required before a final decision can be made. A MAK value can be established provided no genotoxic effects have been detected. (Footnote: In the past, when a substance was classified as Category 3 it was given a MAK value provided that it had no detectable genotoxic effects. When all such substances have been examined for whether or not they may be classified in Category 4, this sentence may be omitted.)

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 CAS108-94-1 (U.S. Environmental Protection Agency, 2011):

Oral:

Slope Factor:
RfD: 5 mg/kg-day

Inhalation:

Unit Risk:
RfC:

Drinking Water:

Unit Risk:

TOXICITY VALUES

References: (RTECS, 1991; Budavari, 1989 Sax & Lewis, 1989
- LC50- (INHALATION)RAT:
- LCLo- (INHALATION)MOUSE:
- LD50- (INTRAPERITONEAL)MOUSE:
- LD50- (ORAL)MOUSE:
- LD50- (INTRAPERITONEAL)RABBIT:
- LD50- (SKIN)RABBIT:
- LD50- (INTRAPERITONEAL)RAT:
- LD50- (ORAL)RAT:
- LD50- (SUBCUTANEOUS)RAT:
- LDLo- (INTRAVENOUS)DOG:
- LDLo- (INTRAPERITONEAL)GUINEA_PIG:
- LDLo- (SUBCUTANEOUS)MOUSE:
- LDLo- (ORAL)RABBIT:
- TCLo- (INHALATION)GUINEA_PIG:
- TCLo- (INHALATION)HUMAN:
- TDLo- (INHALATION)RAT:

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS108-94-1 (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

Cyclohexanone

TLV:

TLV-TWA: 20 ppm
TLV-STEL: 50 ppm
TLV-Ceiling:

Notations and Endnotes:

Carcinogenicity Category: A3
Codes: Skin
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.
Skin: This refers to the potential significant contribution to the overall exposure by the cutaneous route, including mucous membranes and the eyes, either by contact with vapors or, of likely greater significance, by direct skin contact with the substance. It should be noted that although some materials are capable of causing irritation, dermatitis, and sensitization in workers, these properties are not considered relevant when assigning a skin notation. Rather, data from acute dermal studies and repeated dose dermal studies in animals or humans, along with the ability of the chemical to be absorbed, are integrated in the decision-making toward assignment of the skin designation. Use of the skin designation provides an alert that air sampling would not be sufficient by itself in quantifying exposure from the substance and that measures to prevent significant cutaneous absorption may be warranted. Please see "Definitions and Notations" (in TLV booklet) for full definition.

TLV Basis - Critical Effect(s): Eye and URT irr
Molecular Weight: 98.14

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 CAS108-94-1 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS108-94-1 (National Institute for Occupational Safety and Health, 2007):

Listed as: Cyclohexanone
REL:

TWA: 25 ppm (100 mg/m(3))
STEL:
Ceiling:
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: [skin]

Indicates the potential for dermal absorption; skin exposure should be prevented as necessary through the use of good work practices and gloves, coveralls, goggles, and other appropriate equipment.

Note(s):

IDLH:

IDLH: 700 ppm
Note(s): Not Listed

OSHA PEL Values for CAS108-94-1 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Listed as: Cyclohexanone
Table Z-1 for Cyclohexanone:

8-hour TWA:

ppm: 50

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

mg/m3: 200

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 CAS108-94-1 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS108-94-1 (U.S. Environmental Protection Agency, 2010):

Listed as: Cyclohexanone
Final Reportable Quantity, in pounds (kilograms):

5000 (2270)

Additional Information: The following spent non-halogenated solvents and the still bottoms from the recovery of these solvents. (F003)
Listed as: Cyclohexanone
Final Reportable Quantity, in pounds (kilograms):

5000 (2270)

Additional Information:

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS108-94-1 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS108-94-1 (U.S. Environmental Protection Agency, 2010b):

Listed as: Cyclohexanone
P or U series number: U057
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 CAS108-94-1 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS108-94-1 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Not Listed

DOT List of Marine Pollutants for CAS108-94-1 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS108-94-1 (EPA, 2005):

Listed as: Cyclohexanone

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 1915 (49 CFR 172.101, 2005):

Hazardous materials descriptions and proper shipping name: Cyclohexanone

Symbol(s): Not Listed
Hazard class or Division: 3

3: Flammable and combustible liquid. See 49 CFR section 173.120 for definitions.

Identification Number: UN1915
Packing Group: III

III: Packing Group III - indicates the degree of danger presented by the material is minor.

Label(s) required (if not excepted): 3

3: Flammable Liquid.

Special Provisions: B1, IB3, T2, TP1

B1: If the material has a flash point at or above 38 °C (100 °F) and below 93 °C (200 °F), then the bulk packaging requirements of sxn. 173.241 of this subchapter are applicable. If the material has a flash point of less than 38 °C (100 °F), then the bulk packaging requirements of sxn. 173.242 of this subchapter are applicable.
IB3: Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1 and 31HA2, 31HB2, 31HN2, 31HD2 and 31HH2). 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 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized, except for UN2672 (also see Special Provision IP8 in Table 3 for UN2672).
T2: Minimum test pressure (bar): 1.5; 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)): sxn.178.275(d)(3).
TP1: The maximum degree of filling must not exceed the degree of filling determined by the following: [Degree of filling = 97/1+alpha(tr - tf)], where tr is the maximum mean bulk temperature during transport, and tf is the temperature in degrees celsius of the liquid during filling.

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

Exceptions: 150
Non-bulk packaging: 203
Bulk packaging: 242

Quantity Limitations:

Passenger aircraft or railcar: 60 L
Cargo aircraft only: 220 L

Vessel Stowage Requirements:

Vessel stowage location: A

A: The material may be stowed "on deck" or "under deck" on a cargo vessel and on a passenger vessel.

Vessel stowage other: Not Listed

ICAO International Shipping Name for UN1915 (ICAO, 2002):

Proper Shipping Name: Cyclohexanone
UN Number: 1915

LABELS

NFPA

NFPA Hazard Ratings for CAS108-94-1 (NFPA, 2002):

Listed as: Cyclohexanone
Hazard Ratings:

Health Rating (Blue): 1

(1) Slightly toxic material. May cause irritation, but only minor residual injury even without treatment. Recognized innocuous materials when used with responsible care.

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): 0

(0) Materials which are normally stable, even under fire conditions, and which are not reactive with water.

Oxidizer/Water-Reactive Designation: Not Listed

-HANDLING AND STORAGE

STORAGE

ROOM/CABINET RECOMMENDATIONS

Isolate from ignition sources (OHM/TADS , 1991).
Keep in a cool, well-ventilated location (OHM/TADS , 1991).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Wear positive pressure self-contained breathing apparatus (SCBA).
Structural firefighters' protective clothing will only provide limited protection.

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 108-94-1.

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

Neoprene

River City

Neoprene splash suits

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

Plastic Laminate

DuPont Personal Protection

Tychem 10,000

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
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 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)

Polyvinyl Chloride

River City

PVC splash suits

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

FOOTWEAR

Neoprene

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)

Polyvinyl Chloride

North -- Safety 4H

PVC 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)

Servus (Norcross Safety Products)

Supreme

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

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

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

Butyl

Best Manufacturing

Butyl 878

Degradation Rating: Excellent (after 60 minutes of testing)
Breakthrough Time (minutes): >240
Permeation Rate (mcg/cm2/min): None Detected
Notes: Tested with Limited Exposure Method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)
Degradation Rating: Excellent (after 60 minutes of testing)
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (Best Manufacturing, 2004)

Butyl II 874R

Degradation Rating: Excellent (after 60 minutes)
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None detected
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Guardian Manufacturing Group

CP-25

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): None detected
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Guardian Manufacturing Group, 2001)

North Safety Products

Butyl Series

Degradation Rating: Excellent
Breakthrough Time (minutes): >960
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Excellent
Breakthrough Time (minutes): >960
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Excellent
Breakthrough Time (minutes): >960
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (North, 2002)

Latex

Memphis Glove Company

5290 Series Flock-Lined Latex

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not tested
Permeation Rate (mcg/cm2/min): Not Reported
Notes: Not Listed
Citation: (Memphis Glove Company, 2001)

Natural Rubber

Best Manufacturing

Original Nitty Gritty

Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2004)
Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): 159
Permeation Rate (mcg/cm2/min): 1
Notes: Tested under limited exposure method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)

North Safety Products

Natural Rubber Canners

Degradation Rating: Fair
Breakthrough Time (minutes): 126
Permeation Rate (mcg/cm2/min): 70
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Fair
Breakthrough Time (minutes): 126
Permeation Rate (mcg/cm2/min): 70
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Fair
Breakthrough Time (minutes): 126
Permeation Rate (mcg/cm2/min): 70
Notes: Not Listed
Citation: (North, 2002)

Neoprene

Best Manufacturing

Chloroflex 723

Degradation Rating: Good (after 60 minutes)
Breakthrough Time (minutes): 26
Permeation Rate (mcg/cm2/min): 99
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Good (after 60 minutes)
Breakthrough Time (minutes): 11
Permeation Rate (mcg/cm2/min): 169
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Neoprene 6780 Series

Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): 116
Permeation Rate (mcg/cm2/min): 1
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): 108
Permeation Rate (mcg/cm2/min): 53
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Ultraflex Neoprene 32

Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): 76
Permeation Rate (mcg/cm2/min): 10
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): 61
Permeation Rate (mcg/cm2/min): 76
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Memphis Glove Company

5410S Series Flock-Lined Neoprene

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not tested
Permeation Rate (mcg/cm2/min): Not Reported
Notes: Not Listed
Citation: (Memphis Glove Company, 2001)

6912 Neomax Neoprene

Degradation Rating: 2 (on a scale of 0 to 6, with 0 offering the least chemical resistance)
Breakthrough Time (minutes): 53
Permeation Rate (mcg/cm2/min): Not Reported
Notes: Not Listed
Citation: (Memphis Glove Company, 2001)

Neoprene+NatR

Best Manufacturing

Chem Master CHM

Degradation Rating: Poor (after 60 minutes)
Breakthrough Time (minutes): 33
Permeation Rate (mcg/cm2/min): 8
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Poor (after 60 minutes)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Playtex

123 Argus

Degradation Rating: Poor
Breakthrough Time (minutes): 17
Permeation Rate (mcg/cm2/min): 22
Notes: Not Listed
Citation: (Playtex, 1995)

Industrial CR Glove #827

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

Industrial Glove #834

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

Industrial HD Glove #103

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

Utility Glove #835

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

Nitrile

Best Manufacturing

N-DEX 7005

Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2004)

N-DEX 8005

Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Nitri-Solve 727

Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 60
Permeation Rate (mcg/cm2/min): 168
Notes: Not Listed
Citation: (Best Manufacturing, 2002)
Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): >240
Permeation Rate (mcg/cm2/min): None detected
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)

Ultimate N-Dex 9905

Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2004)
Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
Notes: Tested with Limited Exposure Method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)

Ultraflex Nitrile 22R

Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): None Detected
Permeation Rate (mcg/cm2/min): 26
Notes: Tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2004)
Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2004)

Marigold Industrial

315F

Degradation Rating: Poor
Breakthrough Time (minutes): 32
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

326Y

Degradation Rating: Poor
Breakthrough Time (minutes): 11
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

368R

Degradation Rating: Poor
Breakthrough Time (minutes): 142
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

Degradation Rating: Poor
Breakthrough Time (minutes): 15
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

CO7B

Degradation Rating: Not Listed
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

CR30

Degradation Rating: Not Listed
Breakthrough Time (minutes): Not Listed
Permeation Rate (mcg/cm2/min): Not Listed
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

G12T

Degradation Rating: Not Recommended
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

ME104

Degradation Rating: Poor
Breakthrough Time (minutes): 65
Permeation Rate (mcg/cm2/min): 100 to 1000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

U263B/G

Degradation Rating: Poor
Breakthrough Time (minutes): 56
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

US:173 / CAN:459

Degradation Rating: Poor
Breakthrough Time (minutes): 16
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

US:414 / CAN:454

Degradation Rating: Poor
Breakthrough Time (minutes): 6
Permeation Rate (mcg/cm2/min): >1,000
Notes: Not Listed
Citation: (Marigold Industrial, 2003)

Memphis Glove Company

5320 Series Flock-Lined Nitrile

Degradation Rating: No Degradation Rating provided
Breakthrough Time (minutes): Not tested
Permeation Rate (mcg/cm2/min): Not Reported
Notes: Not Listed
Citation: (Memphis Glove Company, 2001)

9750 Series Predator Nitrile

Degradation Rating: 3 (on a scale of 0 to 6, with 0 offering the least chemical resistance)
Breakthrough Time (minutes): 118
Permeation Rate (mcg/cm2/min): Not Reported
Notes: Not Listed
Citation: (Memphis Glove Company, 2001)

North Safety Products

Nitrile Series

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

Nitrile+Neoprene+Natural Rubber

Perfect Fit Glove Co, LLC

TRIonic 521

Degradation Rating: Poor
Breakthrough Time (minutes): 22.9
Permeation Rate (mcg/cm2/min): 56.4
Notes: 0.99
Citation: (MAPA Professional, 2003)

TRIonic 522

Degradation Rating: Poor
Breakthrough Time (minutes): 22.9
Permeation Rate (mcg/cm2/min): 56.4
Notes: 0.99
Citation: (MAPA Professional, 2003)

TRIonic E-194

Degradation Rating: Poor
Breakthrough Time (minutes): 22.9
Permeation Rate (mcg/cm2/min): 56.4
Notes: 99%
Citation: (MAPA Professional, 2003)

TRIonic E-194BPK

Degradation Rating: Poor
Breakthrough Time (minutes): 22.9
Permeation Rate (mcg/cm2/min): 56.4
Notes: 99%
Citation: (MAPA Professional, 2003)

TRIonic E-204

Degradation Rating: Poor
Breakthrough Time (minutes): 22.9
Permeation Rate (mcg/cm2/min): 56.4
Notes: 0.99
Citation: (MAPA Professional, 2003)

TRIonic O-240

Degradation Rating: Poor
Breakthrough Time (minutes): 22.9
Permeation Rate (mcg/cm2/min): 56.4
Notes: 99%
Citation: (MAPA Professional, 2003)

Nitrile+PVC

Best Manufacturing

Hustler 725R

Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

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)

North Safety Products

Silver Shield

Degradation Rating: Excellent
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Excellent
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Excellent
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None Detected
Notes: Not Listed
Citation: (North, 2002)

Polyvinyl Chloride

Memphis Glove Company

6400 Actifresh Green PVC

Degradation Rating: 2 (on a scale of 0 to 6, with 0 offering the least chemical resistance)
Breakthrough Time (minutes): 58
Permeation Rate (mcg/cm2/min): Not Reported
Notes: Not Listed
Citation: (Memphis Glove Company, 2001)

Viton

North Safety Products

Viton Series

Degradation Rating: Poor
Breakthrough Time (minutes): 29
Permeation Rate (mcg/cm2/min): 86300
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Poor
Breakthrough Time (minutes): 29
Permeation Rate (mcg/cm2/min): 86300
Notes: Not Listed
Citation: (North, 2002)
Degradation Rating: Poor
Breakthrough Time (minutes): 29
Permeation Rate (mcg/cm2/min): 86300
Notes: Not Listed
Citation: (North, 2002)

Viton/Butyl

Best Manufacturing

Best Viton 892

Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): >480
Permeation Rate (mcg/cm2/min): None detected
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Viton over Butyl

Best Manufacturing

Viton #890

Degradation Rating: Fair (after 60 minutes of testing)
Breakthrough Time (minutes): Not Recommended
Permeation Rate (mcg/cm2/min): Not Recommended
Notes: Not Listed
Citation: (Best Manufacturing, 2004)
Degradation Rating: Fair (after 60 minutes of testing)
Breakthrough Time (minutes): Not Tested
Permeation Rate (mcg/cm2/min): Not Tested
Notes: Tested with limited exposure method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)

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

Best Manufacturing 579 Edison Street Menlo, GA 30731 USA Phone: (706) 862-2302 Fax: (706) 862-6000 Toll-Free: (800) 241-0323 Website: http://www.bestglove.com Email: USA@bestglove.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
Guardian Manufacturing Group 302 Conwell Avenue Willard, OH 44890-9525 USA Phone: (419) 933-2711 Fax: (419) 935-8961 Toll-Free: (800) 243-7379 Website: http://www.guardian-mfg.com
Marigold Industrial 3585 Engineering Drive Suite 200 Box 926090 Norcross, GA 30092 USA Phone: (800) 733-0987 Fax: (800) 786-4564 Toll-Free: (800) 733-0987 Website: http://www.marigoldindustrial.com
Memphis Glove Company 5321 East Shelby Dr. Memphis, TN 38188 USA Phone: (901) 795-0672 Fax: (901) 794-7622 Toll-Free: (800) 955-6887 Website: http://www.memphisglove.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
North Safety Products 2000 Plainfield Pike Cranston, RI 02921 USA Phone: (800) 430-4110 Fax: (800) 572-6346 Toll-Free: (800) 430-4110 Website: http://www.northsafety.com Email: marketing@northsafety.com
Perfect Fit Glove Co, LLC 85 Innsbruck Dr. Buffalo, NY 14227 USA Phone: (800) 245-6837 Fax: (716) 668-3224 Toll-Free: (800) 245-6837 Website: http://www.perfectfitglove.com Email: perfectfitglove@perfectfitglove.com
Playtex 300 Nyala Farms Road Westport, CT 06880 USA
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

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 127 (ERG, 2004)
- HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
- Vapors may form explosive mixtures with air.
- Vapors may travel to source of ignition and flash back.
- Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks).
- Vapor explosion hazard indoors, outdoors or in sewers.
- Those substances designated with a "P" may polymerize explosively when heated or involved in a fire.
- Runoff to sewer may create fire or explosion hazard.
- Containers may explode when heated.
- Many liquids are lighter than water.
Cyclohexanone is flammable when exposed to heat or flame (Sax & Lewis, 1989).

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS108-94-1 (NFPA, 2002):

Listed as: Cyclohexanone
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 127 (ERG, 2004)

CAUTION: All these products have a very low flash point: Use of water spray when fighting fire may be inefficient.

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Dry chemical, CO2, water spray or alcohol-resistant foam.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Water spray, fog or alcohol-resistant foam.
Use water spray or fog; do not use straight streams.
Move containers from fire area if you can do it without risk.

TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
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.
For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn.

NFPA Extinguishing Methods for CAS108-94-1 (NFPA, 2002):

Listed as: Cyclohexanone
Extinguishing Method(s): 5

5: Flammable liquid fires can be extinguished using carbon dioxide, dry chemical, foam, and vaporizing liquid extinguishers, as long as the fires are small to moderate in size and the flammable liquid reservoir is shallow. Use of foam to form a blanket over a flammable liquid is not effective when the liquid is water-soluble. Certain alcohol resistant foams are effective extinguishing agents for polar, non-polar, and water-soluble liquid fires. These foams are preferred for fighting flammable liquid fires except those that involve water reactive flammable liquids.

If cyclohexanone is on fire or involved in fire: Do not extinguish fire unless flow can be stopped. Use water in flooding quantities as fog. Solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use "alcohol" foam, dry chemical or carbon dioxide (AAR, 1987).

COMBUSTION TOXICITY

When heated to decomposition, cyclohexanone emits acrid smoke and irritating fumes (Sax & Lewis, 1989).

EXPLOSION HAZARD

Cyclohexanone forms an explosive reaction with nitric acid at 75 degrees C (Sax & Lewis, 1989).

Reaction with hydrogen peroxide + nitric acid forms an explosive peroxide (Sax & Lewis, 1989).

DUST/VAPOR HAZARD

Cyclohexanone poses a slight explosion hazard in its vapor form, when exposed to flames (Sax & Lewis, 1989).

When heated to decomposition, cyclohexanone emits acrid smoke and irritating fumes (Sax & Lewis, 1989).

REACTIVITY HAZARD

Cyclohexanone can react vigorously with oxidizing materials (Sax & Lewis, 1989).

Cyclohexanone is incompatible with oxidizers and nitric acid (NIOSH, 1990).

Cyclohexanone forms an explosive reaction with nitric acid at 75 degrees C (Sax & Lewis, 1989).

Reaction with hydrogen peroxide + nitric acid forms an explosive peroxide (Sax & Lewis, 1989).

EVACUATION PROCEDURES

SUMMARY

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

LARGE SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)

Consider initial downwind evacuation for at least 300 meters (1000 feet).

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (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 127 (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 for at least 50 meters (150 feet) in all directions.
Keep unauthorized personnel away.
Stay upwind.
Keep out of low areas.
Ventilate closed spaces before entering.

AIHA ERPG Values for CAS108-94-1 (AIHA, 2006):

Not Listed

DOE TEEL Values for CAS108-94-1 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Cyclohexanone (Ketohexamethylene)
TEEL-0 (units = ppm): 50
TEEL-1 (units = ppm): 50
TEEL-2 (units = ppm): 50
TEEL-3 (units = ppm): 700
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 CAS108-94-1 (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 CAS108-94-1 (National Institute for Occupational Safety and Health, 2007):

IDLH: 700 ppm
Note(s): Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (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 or walk through spilled material.
- Stop leak if you can do it without risk.
- Prevent entry into waterways, sewers, basements or confined areas.
- A vapor suppressing foam may be used to reduce vapors.
- Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers.
- Use clean non-sparking tools to collect absorbed material.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Structural firefighters' protective clothing will only provide limited protection.
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 , 1991).
Cyclohexanone is a waste chemical stream constituent which may be subjected to ultimate disposal by controlled incineration (HSDB , 1991).
Cyclohexanone is a good candidate for fluidized bed incineration at a temperature range of 450 to 980 degrees C and residence times of seconds for liquids and gases, and longer for solids. It is a good candidate for rotary kiln incineration at a temperature range of 820 to 1,600 degrees C and residence times of seconds for liquids and gases, and hours for solids. Cyclohexanone is also a good candidate for liquid injection incineration at a temperature range of 650 to 1,600 degrees C and residence time of 0.1 to 2 seconds (HSDB , 1991).
If cyclohexanone is not on fire and not involved in fire: Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. Build dikes to contain flow as necessary. Use water spray to knock-down vapors (AAR, 1987).
BIODEGRADATION: The algal strain Chlorella pyreniodosa Chick was shown to reduce cyclohexanone (C6ON) to cyclohexanol. The maximum accumulation of cyclohexanol was generated at 0.2% cyclohexanone (Yoshizako et al, 1992).

LARGE LEAK/SPILL

LARGE SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 127 (ERG, 2004)
- Dike far ahead of liquid spill for later disposal.
- Water spray may reduce vapor; but may not prevent ignition in closed spaces.

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

Cyclohexanone is emitted to the atmosphere during its industrial production from venting of "spent air" and other vent streams. Use of cyclohexanone as a solvent for lacquers, inks, resins, paint and spot removers, and insecticides results in its evaporation into the air. Cyclohexanone releases in wastewater and air may also occur from its primary use as an intermediate to manufacture nylon (HSDB , 1991).

ENVIRONMENTAL FATE AND KINETICS

OTHER

OTHER
- TERRESTRIAL FATE: When released to soil, cyclohexanone can be expected to leach significantly. Its detection in groundwater and in leachate from a waste site indicate that leaching does occur in the environment. Various biological screening studies have found that cyclohexanone is biodegradable in various test systems, including natural water. This suggest that biodegradation in soil is possible. Cyclohexanone on soil surfaces will be susceptible to significant volatilization and photodegradation (HSDB , 1991).
- AQUATIC FATE: The important environmental fate processes for cyclohexanone in water appear to be biodegradation, photolysis, and volatilization. Various biological screening studies have found that cyclohexanone is biodegradable in various test systems, including natural water. Cyclohexanone photolyzes in ambient air (half-life of about 4.3 days) which suggests that direct photolysis in water is likely to occur; however, the photolysis rate in water will be slower. Volatilization from shallow, rapidly moving streams should be significant (estimated half-life of 3.1 days from a model stream one meter deep); however, volatilization from deeper and less rapidly moving bodies of water such as lakes and ponds will be much slower. Aquatic hydrolysis, bioconcentration, and adsorption to sediment are not important mechanisms of transport (HSDB , 1991).
- ATMOSPHERIC FATE: Based on a vapor pressure of 5 mmHg at 26.4 degrees C, cyclohexanone should exist almost entirely in the vapor-phase in the ambient atmosphere. It will degrade relatively rapidly by reaction with sunlight-produced hydroxyl radicals (half-life of about 1 day) and by direct photolysis (half-life of about 4.3 days) (HSDB , 1991).

ENVIRONMENTAL TOXICITY

Effect of low concentrations of cyclohexanone on aquatic life is unknown (CHRIS , 1991).

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

98.14

98.16

DESCRIPTION/PHYSICAL STATE

Cyclohexanone is a water-white to pale-yellow, oily liquid with a peppermint- or acetone-like odor (NIOSH, 1990; (Budavari, 1989).

No information found at the time of this review.

VAPOR PRESSURE

10 mmHg (at 38.7 degrees C) (Sax & Lewis, 1989)

135 mmHg (at 100 degrees C) (Sax & Lewis, 1987)

5 mmHg (at 26.4 degrees C) (HSDB , 1991)

SPECIFIC GRAVITY

OTHER TEMPERATURE AND/OR PRESSURE

LIQUID: 0.9478 (at 20/4 degrees C) (Budavari, 1989)
LIQUID: 0.9421 (at 25/4 degrees C) (Budavari, 1989)

FREEZING/MELTING POINT

MELTING POINT

-32.1 degrees C (Budavari, 1989)
-45.0 degrees C (Sax & Lewis, 1989)

BOILING POINT

155.6 degrees C (at 760 mmHg) (Budavari, 1989)

132.5 degrees C (at 400 mmHg) (Budavari, 1989)

110.3 degrees C (at 200 mmHg) (Budavari, 1989)

90.4 degrees C (at 100 mmHg) (Budavari, 1989)

77.5 degrees C (at 60 mmHg) (Budavari, 1989)

67.8 degrees C (at 40 mmHg) (Budavari, 1989)

52.5 degrees C (at 20 mmHg) (Budavari, 1989)

38.7 degrees C (at 10 mmHg) (Budavari, 1989)

26.4 degrees C (at 5 mmHg) (Budavari, 1989)

1.4 degrees C (at 1.0 mmHg) (Budavari, 1989)

FLASH POINT

44 degrees C; 111 degrees F (Sax & Lewis, 1989; Sax & Lewis, 1987; NFPA, 1991)

63 degrees C; 147 degrees F (closed cup) (Budavari, 1989)

AUTOIGNITION TEMPERATURE

420 degrees C; 788 degrees F (Sax & Lewis, 1989; Sax & Lewis, 1987; NFPA, 1991)

EXPLOSIVE LIMITS

LOWER

1.1% (at 100 degrees C) (Sax & Lewis, 1989; NFPA, 1991)

UPPER

9.4% (NFPA, 1991)

SOLUBILITY

IN WATER

150 g/L (at 10 degrees C) (Budavari, 1989)
50 g/L (at 30 degrees C) (Budavari, 1989)

IN ORGANIC SOLVENTS

Cyclohexanone is soluble in alcohol, ether and in other common organic solvents (Budavari, 1989).

HENRY'S CONSTANT

2.56x10(-5) atm-m(3)/mol (Ehrenfeld et al, 1986)

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CYCLOHEXANONE

Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents