NIOSH Pocket Guide to Chemical Hazards

Acrylonitrile

CAS 107-13-1

CH2=CHCN

RTECS AT5250000
Synonyms & Trade Names
Acrylonitrile monomer, AN, Cyanoethylene, Propenenitrile, 2-Propenenitrile, VCN, Vinyl cyanide
DOT ID & Guide
1093 131P (inhibited)

Exposure
Limits

NIOSH REL: Ca TWA 1 ppm C 10 ppm [15-minute] [skin] See Appendix A
OSHA PEL: [1910.1045] TWA 2 ppm C 10 ppm [15-minute] [skin]
IDLH Ca [85 ppm] See: 107131 Conversion 1 ppm = 2.17 mg/m3
Physical Description
Colorless to pale-yellow liquid with an unpleasant odor. [Note: Odor can only be detected above the PEL.]
MW: 53.1
BP: 171°F
FRZ: -116°F
Sol: 7%
VP: 83 mmHg
IP: 10.91 eV

Sp.Gr: 0.81
Fl.P: 30°F
UEL: 17%
LEL: 3.0%

Class IB Flammable Liquid: Fl.P. below 73F and BP at or above 100F.
Incompatibilities & Reactivities
Strong oxidizers, acids & alkalis; bromine; amines [Note: Unless inhibited (usually with methylhydroquinone), may polymerize spontaneously or when heated or in presence of strong alkali. Attacks copper.]
Measurement Methods
NIOSH 1604; OSHA 37
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations (See Appendix E) NIOSH
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin; asphyxia; headache; sneezing; nausea, vomiting; lassitude (weakness, exhaustion), dizziness; skin vesiculation; scaling dermatitis; [potential occupational carcinogen]
Target Organs Eyes, skin, cardiovascular system, liver, kidneys, central nervous system

Cancer Site [brain tumors, lung & bowel cancer]
See also: INTRODUCTION   See ICSC CARD: 0092   See MEDICAL TESTS: 0008