ACRYLONITRILE (VINYL CYANIDE)‡
Chemical Identification | |
---|---|
CAS # | 107-13-1 |
Formula |
C₃H₃N |
Synonyms |
acrylonitrile inhibited; acrylonitrile monomer; AN; cyanoethylene; propenenitrile; 2-propenenitrile; VCN; vinyl cyanide |
Physical Properties | |||
---|---|---|---|
Physical description | Colorless to pale-yellow liquid with an unpleasant odor. | ||
Boiling point | 171°F | Molecular weight | 53.1 |
Freezing point/melting point | -116°F | Vapor pressure | 83 mmHg |
Flash point | 30°F | Vapor density | |
Specific gravity | 0.81 | Ionization potential | 10.91 eV |
Lower explosive limit (LEL) | 3.0% | Upper explosive limit (UEL) | 17% |
NFPA health rating | 4 | NFPA fire rating | 3 |
NFPA reactivity rating | 2 | NFPA special instruction | |
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Monitoring Methods Used by OSHA | ||||||
---|---|---|---|---|---|---|
Analyte code (IMIS no.) | 0120 | |||||
Sampling group | ||||||
Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | |||||
Sampling time* | 100 min |
|||||
Sampling volume (TWA)* | 20 L |
|||||
Sampling flow rate (TWA)* | 0.2 L/min |
|||||
Sampling volume (STEL/Peak/C)* | 7.5 L |
|||||
Sampling flow rate (STEL/Peak/C)* | 0.5 L/min |
|||||
Analytical method instruments | GC-NPD | |||||
Method reference | OSHA 37 (fully validated) | |||||
Notes | ||||||
Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
Wipe Method | |
---|---|
Sampler/Sampling media |
Bulk Method |
---|
On-Site Screening Techniques | ||||||
---|---|---|---|---|---|---|
Device | Detector tube | Detector tube | Detector Tube | |||
Model/Type | Dräger - Acrylonitrile 5/b, CH26901 | Matheson-Kitagawa 8014-128SC | Gastec 191L | |||
Sampling information (see manufacturer instructions) |
3 strokes, 1-30 ppm range, uncertainty 25% | follow mfr instructions, approx 1-120 ppm range | 1-4 strokes, 0.05-18 ppm range, uncertainty 16.4% for 0.25-1 ppm, 8.2% for 1-6 ppm |
Exposure Limits | |||||||
---|---|---|---|---|---|---|---|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
PEL-TWA |
2 ppm [1 ppm Action Level] |
REL-TWA |
1 ppm |
TLV-TWA |
2 ppm [2015] |
PEL-TWA |
2 ppm (4.5 mg/m³) |
PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
PEL-C |
10 ppm [15 minute] |
REL-C |
10 ppm [15 minutes] |
TLV-C | PEL-C | ||
Skin notation |
N |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Notes: |
Notes:
CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens. |
Notes: | Notes: | ||||
Health factors: See NIH-NLM PubChem. | IDLH |
85 ppm |
|||||
Carcinogenic classifications: EPA-B1, IARC-2B, NIOSH-Ca, NTP-R, OSHA-Ca, TLV-A3 |
Notes:
Ca |
||||||
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
10 ppm/35 ppm/75 ppm |
Additional Resources and Literature References |
---|
NOAA: CAMEO Chemicals - Acrylonitrile, stabilized NIOSH: Pocket Guide to Chemical Hazards - Acrylonitrile Literature References
|
Last Updated Date : 12/15/2020