BUTYL ACRYLATE

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Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

-IDENTIFICATION

SYNONYMS

ACRYLIC ACID, BUTYL ESTER
ACRYLIC ACID, n-BUTYL ESTER
BUTYL ACRYLATE
n-BUTYL ACRYLATE
BUTYL ACRYLATE, INHIBITED
BUTYLESTER KYSELINY AKRYLOVE (Czech)
BUTYL ESTER of ACRYLIC ACID
n-BUTYL ESTER of ACRYLIC ACID
BUTYL 2-PROPENOATE
n-BUTYL 2-PROPENOATE
2-PROPENOIC ACID, BUTYL ESTER

IDENTIFIERS

CAS REGISTRY NUMBER

141-32-2

NIOSH/RTECS NUMBER

UD 3150000

UN/NA NUMBER

2348-Butyl acrylate
2348-Butyl acrylates, inhibited
2348-Butyl acrylates, stabilized

MOLECULAR FORMULA

C7-H12-O2 CH2=CHCOOC4H9 CH3=CHCOO(CH(2))(3)CH(3)

ERG GUIDE NUMBER

130-FLAMMABLE LIQUIDS (NON-POLAR / WATER-IMMISCIBLE / NOXIOUS)(for UN/NA Number2348)
Polymerization Hazard (ERG, 2004)

SYNONYM REFERENCE

(CHRIS , 1997; HSDB , 1997; Lewis, 1996; NFPA, 1994; NIOSH , 1997; RTECS , 1997)

USES/FORMS/SOURCES

USES

Butyl acrylate is a monomer utilized in the production of polymers, copolymers, as well as acrylic resins in paints, leather and textile finishes, adhesives, coatings, sealants, binders, and emulsifiers. It is also used as an intermediate in organic synthesis (AAR, 1994; (Ashford, 1994; Budavari, 1996; Lewis, 1993).

FORMS

Commercial grade butyl acrylate is inhibited to prevent polymerization. The inhibitor is either hydroquinone (1000 ppm) or methyl ether of hydroquinone (15 or 200 ppm) (CHRIS , 1997) Hathaway et al, 1996; (Lewis, 1993; NFPA, 1994).
Available grade of purity: 99+% (CHRIS , 1997)
Present in the technical grade are iso- and secondary butyl acrylate in combined concentrations of up to to 0.3 to 0.4% by weight. Impurities include 0.009% acrylic acid and 0.05 to 0.10% water (HSDB , 1997).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

Butyl acrylate is irritating to the eyes, skin, and mucous membranes.

Symptoms of exposure may include irritation, nausea, vomiting, dyspnea, pulmonary edema, dizziness, and CNS depression. Prolonged dermal exposure may result in tissue damage. Prolonged exposure may also result in pulmonary congestion or hemorrhage and cloudy swelling of the liver or kidney.

Corneal necrosis has been noted in the unwashed rabbit eye.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (ERG, 2004)

May cause toxic effects if inhaled or absorbed through skin.
Inhalation or contact with material may irritate or burn skin and eyes.
Fire will produce irritating, corrosive and/or toxic gases.
Vapors may cause dizziness or suffocation.
Runoff from fire control or dilution water may cause pollution.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (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.
Keep victim warm and quiet.
In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin.
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.

FIRST AID

FIRST AID

EYE EXPOSURE - Immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Contact lenses should not be worn when working with this chemical.
DERMAL EXPOSURE - Immediately wash the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing, wash the skin with soap and water, and get medical attention promptly.
INHALATION EXPOSURE - Move the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the affected person warm and at rest. Get medical attention as soon as possible.
ORAL EXPOSURE - If this chemical has been swallowed, get medical attention immediately.
TARGET ORGANS - Eyes, skin, and respiratory system (National Institute for Occupational Safety and Health, 2007).

GENERAL -

Move victims of inhalation exposure from the toxic environment and administer 100% humidified supplemental oxygen with assisted ventilation as required. Exposed skin and eyes should be copiously flushed with water. Because of the potential for rapid onset of CNS depression or seizures with possible aspiration of gastric contents, EMESIS SHOULD NOT BE INDUCED. Cautious gastric lavage followed by administration of activated charcoal may be of benefit if the patient is seen soon after the exposure.

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.
If bronchospasm and wheezing occur, consider treatment with inhaled sympathomimetic agents.
ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.

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).
Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.

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 -

Because of the potential for gastrointestinal tract irritation or CNS depression, Do NOT induce emesis.
Significant esophageal or gastrointestinal tract irritation or burns may occur following ingestion. The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation.
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.
Observe patients with ingestion carefully for the possible development of esophageal or gastrointestinal tract irritation or burns. If signs or symptoms of esophageal irritation or burns are present, consider endoscopy to determine the extent of injury.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

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

MAXIMUM TOLERATED EXPOSURE

The maximum tolerated human exposure to this agent has not been delineated.

CARCINOGENICITY - The International Agency for Research on Cancer (IARC) rates this compound as "Animal Inadequate Evidence" and "Human No Adequate Data". Overall Evaluation - Group 3 (The agent is not classifiable as to its carcinogenicity to humans) (Hathaway et al, 1996; (HSDB , 1997; Lewis, 1996).

Carcinogenicity Ratings for CAS141-32-2 :

ACGIH (American Conference of Governmental Industrial Hygienists, 2010): A4 ; Listed as: n-Butyl acrylate

A4 :Not Classifiable as a Human Carcinogen: Agents which cause concern that they could be carcinogenic for humans but which cannot be assessed conclusively because of a lack of data. In vitro or animal studies do not provide indications of carcinogenicity which are sufficient to classify the agent into one of the other categories.

EPA (U.S. Environmental Protection Agency, 2011): Not Listed
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: n-Butyl acrylate

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: Butyl acrylate
MAK (DFG, 2002): Not Listed
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 CAS141-32-2 (U.S. Environmental Protection Agency, 2011):

Not Listed

TOXICITY VALUES

References: ACGIH, 1991 Budavari, 1996 Clayton & Clayton, 1994 Lewis, 1996 OHM/TADS, 1997 RTECS, 1997 Note: Unless otherwise noted all values are from Lewis and RTECS.
- LC50- (INHALATION)MOUSE:
- LC50- (INHALATION)RAT:
- LD50- (INTRAPERITONEAL)MOUSE:
- LD50- (ORAL)MOUSE:
- LD50- (SKIN)RABBIT:
- LD50- (INTRAPERITONEAL)RAT:
- LD50- (ORAL)RAT:
- LDLo- (SKIN)RAT:
- TCLo- (INHALATION)RAT:

CALCULATIONS

AMBIENT CONVERSIONS

CONVERSION FACTORS

1 ppm = 5.33 mg/m(3) (at 760 mmHg and 68 degrees F) (NIOSH , 1997)

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS141-32-2 (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

n-Butyl acrylate

TLV:

TLV-TWA: 2 ppm
TLV-STEL:
TLV-Ceiling:

Notations and Endnotes:

Carcinogenicity Category: A4
Codes: SEN
Definitions:

A4: Not Classifiable as a Human Carcinogen: Agents which cause concern that they could be carcinogenic for humans but which cannot be assessed conclusively because of a lack of data. In vitro or animal studies do not provide indications of carcinogenicity which are sufficient to classify the agent into one of the other categories.
SEN: The designation SEN refers to the potential for an agent to produce sensitization, as confirmed by human or animal data. The notation does not imply that this is the critical effect or that this is the sole basis for the TLV. Although, for those TLVs that are based on sensitization, the TLV is meant to protect workers from induction of this effect, but cannot protect workers who have already become sensitized. The notation should be used to assist in identifying sensitization hazards and reducing respiratory, dermal, and conjunctival exposures to sensitizing agents in the workplace. Please see "Definitions and Notations" (in TLV booklet) for full definition.

TLV Basis - Critical Effect(s): Skin, eye, and URT irr
Molecular Weight: 128.17

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 CAS141-32-2 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS141-32-2 (National Institute for Occupational Safety and Health, 2007):

Listed as: Butyl acrylate
REL:

TWA: 10 ppm (55 mg/m(3))
STEL:
Ceiling:
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: Not Listed
Note(s):

IDLH: Not Listed

OSHA PEL Values for CAS141-32-2 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS141-32-2 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS141-32-2 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS141-32-2 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS141-32-2 (U.S. Environmental Protection Agency, 2010b):

Not Listed
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 CAS141-32-2 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS141-32-2 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Listed as: Butyl acrylate
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 CAS141-32-2 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS141-32-2 (EPA, 2005):

Listed as: 2-Propenoic acid, butyl ester

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 2348 (49 CFR 172.101, 2005):

Hazardous materials descriptions and proper shipping name: Butyl acrylates, stabilized

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

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

Identification Number: UN2348
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 UN2348 (ICAO, 2002):

Proper Shipping Name: Butyl acrylates, stabilized
UN Number: 2348

LABELS

NFPA

NFPA Hazard Ratings for CAS141-32-2 (NFPA, 2002):

Listed as: Butyl Acrylate
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): 2

(2) Materials which in themselves are normally unstable and readily undergo violent chemical change, but do not detonate. This rating includes materials which may react violently with water or which may form potentially explosive mixtures with water.

Oxidizer/Water-Reactive Designation: Not Listed

-HANDLING AND STORAGE

HANDLING

Only persons equipped with appropriate protective clothing should handle broken packages/containers of butyl acrylate (AAR, 1994).

This compound is stable during transport (CHRIS , 1997).

According to 49 CFR 171.2: "No person may /transport,/ offer or accept a hazardous material for transportation in commerce unless that material is properly classed, described, packaged, marked, labeled, and in condition for shipment as required or authorized by.../the hazardous materials regulations (49 CFR 171 to 177)" (HSDB , 1997)

STORAGE

CONTAINER

The usual shipping containers for butyl acrylate are: Bottles, cans (1 gallon), drums (55 gallon), as well as tank trucks and cars (NFPA, 1994; OHM/TADS , 1997).

ROOM/CABINET RECOMMENDATIONS

Store this compound in a dry, cool, well-ventilated location. Detached or outside storage is optimal (NFPA, 1994; OHM/TADS , 1997).
Store inhibited butyl acrylate in contact with air (CHRIS , 1997).
Storage temperature should be ambient (CHRIS , 1997).
Pressure-vacuum venting is to be utilized (CHRIS , 1997).

INCOMPATIBILITIES

Keep this compound well separated from oxidizers, peroxides, or other initiators (such as sunlight, elevated temperature, any source of ignition) (OHM/TADS , 1997; NFPA, 1994).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (ERG, 2004)

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

Appropriate protective clothing should be worn to prevent skin contact. Wash the skin with large amounts of soap and water immediately after it becomes contaminated. Clothing which becomes wet should be removed, and replaced, as quickly as possible (AAR, 1994; (CHRIS , 1997; NIOSH , 1997).

NFPA (1994) states that emergency responders need to wear full protective clothing including a positive pressure self-contained breathing apparatus.

EYE/FACE PROTECTION

Use appropriate eye protection to prevent contact. In areas where there is any possibility that persons may be exposed to butyl acrylate, eyewash fountains should be provided (NIOSH , 1997).

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 141-32-2.

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

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): 0.02
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): 51
Permeation Rate (mcg/cm2/min): 18.4
Notes: liquid
Citation: (DuPont, 2002)

Tychem LV

Degradation Rating: Not Listed
Breakthrough Time (minutes): 51
Permeation Rate (mcg/cm2/min): 18.4
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): <0.02
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

Specific recommendations and test data for this product type were not found in the available manufacturers' product literature.

GLOVES

Butyl

Best Manufacturing

Butyl 878

Degradation Rating: Excellent (after 60 minutes of testing)
Breakthrough Time (minutes): 147
Permeation Rate (mcg/cm2/min): 27
Notes: Tested with Limited Exposure Method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)
Degradation Rating: Excellent (after 60 minutes of testing)
Breakthrough Time (minutes): 20
Permeation Rate (mcg/cm2/min): 49
Notes: Not Listed
Citation: (Best Manufacturing, 2004)

Natural Rubber

Best Manufacturing

Original Nitty Gritty

Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): 4
Permeation Rate (mcg/cm2/min): 118
Notes: Not Listed
Citation: (Best Manufacturing, 2004)
Degradation Rating: Not Recommended (after 60 minutes of testing)
Breakthrough Time (minutes): 44
Permeation Rate (mcg/cm2/min): 25
Notes: Tested under limited exposure method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)

Neoprene

Best Manufacturing

Chloroflex 723

Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 11
Permeation Rate (mcg/cm2/min): 118
Notes: Not Listed
Citation: (Best Manufacturing, 2002)
Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 28
Permeation Rate (mcg/cm2/min): 22
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)

Neoprene 6780 Series

Degradation Rating: Good (after 60 minutes)
Breakthrough Time (minutes): 60
Permeation Rate (mcg/cm2/min): 0.9
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Good (after 60 minutes)
Breakthrough Time (minutes): 44
Permeation Rate (mcg/cm2/min): 21
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Ultraflex Neoprene 32

Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): 21
Permeation Rate (mcg/cm2/min): 29
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Fair (after 60 minutes)
Breakthrough Time (minutes): 16
Permeation Rate (mcg/cm2/min): 32
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

MAPA Spontex, Inc.

Stanzoil/NL-34

Degradation Rating: Poor
Breakthrough Time (minutes): 15
Permeation Rate (mcg/cm2/min): 309
Notes: 99%
Citation: (MAPA Professional, 2004)

Neoprene+NatR

Best Manufacturing

Chem Master CHM

Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 20
Permeation Rate (mcg/cm2/min): 54
Notes: Not Listed
Citation: (Best Manufacturing, 2002)
Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 20
Permeation Rate (mcg/cm2/min): 40
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)

Nitrile

Best Manufacturing

N-DEX 8005

Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 6
Permeation Rate (mcg/cm2/min): 34
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Not Recommended (after 60 minutes)
Breakthrough Time (minutes): 4
Permeation Rate (mcg/cm2/min): 111
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Nitri-Solve 727

Degradation Rating: Good (after 60 minutes)
Breakthrough Time (minutes): 65
Permeation Rate (mcg/cm2/min): 28
Notes: Not Listed
Citation: (Best Manufacturing, 2002)
Degradation Rating: Good (after 60 minutes)
Breakthrough Time (minutes): 107
Permeation Rate (mcg/cm2/min): 2
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): 6
Permeation Rate (mcg/cm2/min): 34
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): 15
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): 24
Permeation Rate (mcg/cm2/min): 17
Notes: Not Listed
Citation: (Best Manufacturing, 2004)

Nitrile+PVC

Best Manufacturing

Hustler 725R

Degradation Rating: Poor (after 60 minutes)
Breakthrough Time (minutes): 54
Permeation Rate (mcg/cm2/min): 18
Notes: tested through limited exposure method (ATSM F 1383)
Citation: (Best Manufacturing, 2002)
Degradation Rating: Poor (after 60 minutes)
Breakthrough Time (minutes): 29
Permeation Rate (mcg/cm2/min): 52
Notes: Not Listed
Citation: (Best Manufacturing, 2002)

Plastic Laminate

North -- Safety 4H

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)
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)

Viton over Butyl

Best Manufacturing

Viton #890

Degradation Rating: Fair (after 60 minutes of testing)
Breakthrough Time (minutes): 59
Permeation Rate (mcg/cm2/min): 25
Notes: Tested with limited exposure method (ASTM F 1383)
Citation: (Best Manufacturing, 2004)
Degradation Rating: Fair (after 60 minutes of testing)
Breakthrough Time (minutes): 20
Permeation Rate (mcg/cm2/min): 55
Notes: Not Listed
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
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
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
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

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)

ENGINEERING CONTROLS

A facility for quickly drenching the body, or body parts, with water needs to be provided within the immediate work area. This is intended to quickly remove butyl acrylate from any body areas likely to be exposed. In some instances a hose connected to a sink may be permissible, in others a full deluge shower may be required (NIOSH , 1997).

-PHYSICAL HAZARDS

FIRE HAZARD

SUMMARY

POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (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.
Butyl acrylate is a flammable liquid, and is considered a moderate fire risk when exposed to open flame or heat (Lewis, 1993; Lewis, 1996).
- AAR (1994) states that due to its flashpoint of 105 degrees F, "butyl acrylate must be moderately heated or exposed to high ambient temperatures before ignition may occur easily."
The vapor forms flammable mixtures with air (ACGIH, 1996).
This compound readily polymerizes upon heating (Lewis, 1993).
Uninhibited butyl acrylate vapor may form the polymer in vents as well as in other confined spaces (NFPA, 1994).
In bodies of water, this compound will form a very slowly dissolving surface slick (AAR, 1994; (OHM/TADS , 1997).

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS141-32-2 (NFPA, 2002):

Listed as: Butyl Acrylate
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 130 (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 130 (ERG, 2004)

Dry chemical, CO2, water spray or regular foam.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (ERG, 2004)

Water spray, fog or regular foam.
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 130 (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 CAS141-32-2 (NFPA, 2002):

Listed as: Butyl Acrylate
Extinguishing Method(s): 1

1: "Water may be ineffective" applies to a situation where materials with a flash point below 100 degrees F (37.8 degrees C) are burning. Water will only be effective if used by experienced fire fighters under favorable conditions. Even though water may not put the fire out, it can be used to protect equipment and structures.

To combat a fire involving this compound use carbon dioxide, dry chemical, and foam. Water spray can be used to cool fire-exposed structures and containers. However, solid streams of water may be ineffective or cause frothing. Do not attempt to extinguish a fire involving butyl acrylate unless the flow of the spill can be stopped. For protection of emergency response personnel, always maintain the maximum possible distance from the fire or fight fire from a protected area (AAR, 1994; (Lewis, 1996; NFPA, 1994).

EXPLOSION HAZARD

Heating of closed containers, such as may happen under fire conditions, can cause explosive polymerization (CHRIS , 1997; NFPA, 1994).

Vapor may accumulate in confined spaces, and will cause an explosion if ignited (AAR, 1994).

DUST/VAPOR HAZARD

Butyl acrylate releases acrid and irritating fumes when heated to decomposition (Lewis, 1996).

REACTIVITY HAZARD

CAUTION: This material may polymerize violently under high temperature conditions or upon contamination with other products. Polymerization will produce heat and high pressure buildup in containers which may lead to an explosion or container rupture (ERG, 2004).

Butyl acrylate is considered an "extremely reactive monomer" (Lewis, 1996).

It reacts with oxidizing materials (ACGIH, 1991; Lewis, 1996).

This compound readily polymerizes upon heating (ACGIH, 1991; NFPA, 1994).

Butyl acrylate is thermally unstable (NFPA, 1994).

This compound readily polymerizes; the reaction may be hazardous. It can be triggered by oxidizers, peroxides, sunlight, or elevated temperature (NFPA, 1994).

It will react with strong acids and alkalies (NFPA, 1994).

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 130 (ERG, 2004)

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

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (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 130 (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 CAS141-32-2 (AIHA, 2006):

Listed as n-Butyl Acrylate
ERPG-1 (units = ppm): 0.05
ERPG-2 (units = ppm): 25
ERPG-3 (units = ppm): 250
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 CAS141-32-2 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Butyl acrylate, n-
TEEL-0 (units = ppm): 2
TEEL-1 (units = ppm): 8.3
TEEL-2 (units = ppm): 130
TEEL-3 (units = ppm): 480
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 CAS141-32-2 (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 CAS141-32-2 (National Institute for Occupational Safety and Health, 2007):

Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (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 130 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Structural firefighters' protective clothing will only provide limited protection.
Keep upwind to avoid breathing vapors. Remove all possible ignition sources from the area. Water spray can be employed to knock-down butyl acrylate vapors. Utilize dikes to contain the flow of the spill; ensure that the spilled material and runoff do not enter the sewer or water sources (AAR, 1994).
For water in situ amelioration, foam sorbents and oil skimming equipment can be utilized to remove slicks. Carbon or peat can be effectively used on the soluble portion (OHM/TADS , 1997).

SMALL LEAK/SPILL

Small quantities of butyl acrylate can be sprayed into an incinerator for disposal. For material absorbed on paper, burn the paper. For these methods, avoid disposal of large quantities, as this may cause violent polymerization (OHM/TADS , 1997).

LARGE LEAK/SPILL

LARGE SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 130 (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

This compound is released to the environment via wastewater as well as stack and fugitive emissions during its industrial production and use in the manufacture of polymers, resins, finishes, etc. Small quantities of butyl acrylate monomer may leach and volatilize from products containing the polymer (HSDB , 1997).

ENVIRONMENTAL FATE AND KINETICS

In the atmosphere, butyl acrylate will exist almost entirely as vapor. Photo-oxidation by reaction with ozone and hydroxyl radicals is a significant route; this process has an estimated half-life of 12.6 hours (HSDB , 1997).
- Estimated photo-oxidation half-life in air: High - 23 hours; Low - 2.3 hours (Howard et al, 1991).

WATER

SURFACE WATER
- Volatilization is a major pathway; estimated half-lives of 5.5 hours from a model river and 3.0 days from a model pond have been seen. Biodegradation and hydrolysis (especially in alkaline waters) may be important routes. Direct photolysis may also occur. Butyl acrylate is not expected to significantly adsorb to suspended particulates and sediment nor bioconcentrate in aquatic organisms (HSDB , 1997).

SOIL

TERRESTRIAL
- In surface soil, butyl acrylate will likely volatilize. This compound is thought to be very mobile, hence, it will likely leach into groundwater. It is expected to biodegrade. Hydrolysis, especially in alkaline soils, may occur (HSDB , 1997).

BIODEGRADATION

Estimated aqueous aerobic biodegradation half-lives (Howard et al, 1991)

In surface water: High - 168 hours (7 days); Low - 24 hours (1 day)
In ground water: High - 336 hours (14 days); Low - 48 hours (2 days)

Estimated anaerobic half-life: High - 672 (28 days); Low - 96 hours (4 days) (Howard et al, 1991)

Butyl acrylate can be significantly biodegraded according to the Japanese Ministry of International Trade and Industry (MITI) test (HSDB , 1997).

BIOACCUMULATION

BIOCONCENTRATION FACTOR

With an estimated BCF of 37, butyl acrylate is not expected to bioconcentrate in aquatic organisms (HSDB , 1997).

ENVIRONMENTAL TOXICITY

The threshold concentration at which inhibition of cell multiplication was seen in the protozoan Uronema parduczi: 21 mg/L (HSDB , 1997).

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

128.17

DESCRIPTION/PHYSICAL STATE

Butyl acrylate is a clear, colorless/water-white liquid which possesses a sharp, biting characteristic "fruity" odor (Lewis, 1993; Lewis, 1996; NFPA, 1994; NIOSH , 1997).

The polymer formed from this compound is an elastic, tacky substance; the temperature at which it becomes brittle is minus 45 degrees C (Budavari, 1996).

VAPOR PRESSURE

4 mmHg (NIOSH , 1997)

4 mmHg (at 20 degrees C) (ACGIH, 1997)

3.2 mmHg (at 20 degrees C) (Lewis, 1993; NFPA, 1994)

5.45 mmHg (at 25 degrees C) (HSDB , 1997)

10 mmHg (at 35.5 degrees C) (Clayton & Clayton, 1994; Lewis, 1996)

20 mmHg (at 104 degrees C) (OHM/TADS , 1997)

SPECIFIC GRAVITY

NORMAL TEMPERATURE AND PRESSURE

(25 degrees C; 77 degrees F and 760 mmHg)
0.89 (at 25/25 degrees C) (Lewis, 1996)

OTHER TEMPERATURE AND/OR PRESSURE

0.9015 (at 20/20 degrees C) (Lewis, 1993)
0.8986 (at 20/4 degrees C) (Budavari, 1996)
0.8898 (at 20/4 degrees C) (HSDB , 1997)
0.9110 (at 15/4 degrees C) (Budavari, 1996)
0.9117 (at 12/4 degrees C) (Budavari, 1996)
0.9202 (at 0/4 degrees C) (Budavari, 1996)

DENSITY

OTHER TEMPERATURE AND/OR PRESSURE

0.90 kg/L (at 20 degrees C) (Ashford, 1994)
0.899 kg/L (at 20 degrees C) (CHRIS , 1997)
0.8986 kg/L (at 20 degrees C) (ACGIH, 1991)

TEMPERATURE AND/OR PRESSURE NOT LISTED

0.8898 kg/L (Clayton & Clayton, 1994)

FREEZING/MELTING POINT

FREEZING POINT

-64 degrees C (Ashford, 1994; Lewis, 1993)
-64 degrees C; -83 degrees F; 209 degrees K (CHRIS , 1997)
-64.6 degrees C (Lewis, 1996)

MELTING POINT

-64 degrees C; -83 degrees F (NFPA, 1994; NIOSH , 1997)
-64.6 degrees C (Clayton & Clayton, 1994)

BOILING POINT

145.7-148.0 degrees C (ACGIH, 1991; Lewis, 1993)

149 degrees C (Ashford, 1994)

146.8 degrees C (Clayton & Clayton, 1994)

145 degrees C (OHM/TADS , 1997)

148.8 degrees C; 299.8 degrees F; 422.0 degrees K (CHRIS , 1997)

149 degrees C; 300 degrees F (NFPA, 1994)

127 degrees C; 260 degrees F (polymerizes) (NFPA, 1994)

293 degrees F (NIOSH , 1997)

Budavari (1996) reports two values for this compound at 760 mmHg: 145 degrees C (and) 138 degrees C.

84-86 degrees C (at 101 mmHg) (Budavari, 1996)

69 degrees C (at 50 mmHg) (Lewis, 1996)

59 degrees C (at 25 mmHg) (Budavari, 1996)

39 degrees C (at 10 mmHg) (Budavari, 1996)

35 degrees C (at 8 mmHg) (Budavari, 1996)

FLASH POINT

49 degrees C; 120 degrees F (open cup) (Lewis, 1993; Lewis, 1996)

47.8 degrees C; 118 degrees F (CHRIS , 1997; Clayton & Clayton, 1994)

48.9 degrees C (ACGIH, 1991)

105 degrees F (AAR, 1994)

103 degrees F (NIOSH , 1997)

39 degrees C; 103 degrees F (NFPA, 1994)

29 degrees C; 84 degrees F (NFPA, 1994)

AUTOIGNITION TEMPERATURE

279 degrees C; 534 degrees F (NFPA, 1994)

292 degrees C; 559 degrees F (NFPA, 1994)

534 degrees F (CHRIS , 1997)

EXPLOSIVE LIMITS

LOWER

1.3% (NFPA, 1994)
1.7% (NFPA, 1994)
1.5% (Clayton & Clayton, 1994; NIOSH , 1997)
1.4% (CHRIS , 1997)

UPPER

9.9% (NFPA, 1994; NIOSH , 1997)
9.4% (CHRIS , 1997)

SOLUBILITY

IN WATER

Butyl acrylate is practically insoluble in water (Lewis, 1993).
0.14 g/100 mL (at 20 degrees C) (Ashford, 1994; Budavari, 1996)
2000 mg/L (at 23 degrees C) (HSDB , 1997)
0.16 g/100 g water (at 25 degrees C) (HSDB , 1997)
0.12 g/100 mL (at 40 degrees C) (Budavari, 1996)
0.1% by weight (NIOSH , 1997)

IN ORGANIC SOLVENTS

This compound is soluble in acetone, diethyl ether, ethanol, and ether (ACGIH, 1991; Clayton & Clayton, 1994).

OCTANOL/WATER PARTITION COEFFICIENT

log Kow = 2.36 (HSDB , 1997)

HENRY'S CONSTANT

4.60x10(-4) atm-m(3)/mol (HSDB , 1997)

OTHER/PHYSICAL

ODOR THRESHOLD

0.1 ppb (ACGIH, 1991)

SURFACE TENSION

0.020 N/m; 20 dynes/cm (at 27 degrees C) (CHRIS , 1997)

CRITICAL PRESSURE

29 atm; 426 psia; 2.9 MN/m(2) (CHRIS , 1997)

CRITICAL TEMPERATURE

327 degrees C; 621 degrees F; 600 degrees K (CHRIS , 1997)

HEAT OF COMBUSTION

974.46 kcal/mol (Budavari, 1996)
-7700 cal/g; -13,860 Btu/lb; -322.4x10(5) J/kg (CHRIS , 1997)

HEAT OF POLYMERIZATION

-144 cal/g; -25.9 Btu/lb; -6.03x10(5) J/kg (CHRIS , 1997)

INDEX OF REFRACTION

1.4190 (at 20 degrees C) (Budavari, 1996)
1.4254 (at 12 degrees C) (Budavari, 1996)
1.4185 (at 20 degrees C/D) (Clayton & Clayton, 1994; HSDB , 1997)

LIQUID WATER INTERFACIAL TENSION

0.060 N/m; 60 dynes/cm (at 27 degrees C) (estimated) (CHRIS , 1997)

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BUTYL ACRYLATE

Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents