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ACRYLONITRILE (VINYL CYANIDE)‡
| CAS # | 107-13-1 | 
|---|---|
| Formula | C₃H₃N | 
| Synonyms | acrylonitrile inhibited; acrylonitrile monomer; AN; cyanoethylene; propenenitrile; 2-propenenitrile; VCN; vinyl cyanide | 
| 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 | |||
| 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 Sampler/Sampling media | |
|---|---|
| Bulk Method | 
| 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 | 
| 
                                  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 | 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: Visit the ACGIH TLV site for specific data | 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 : 03/26/2024
