# NIOSH Pocket Guide to Chemical Hazards
Vinyl chloride | CAS 75-01-4
CH2=CHCl | RTECS KU9625000
Synonyms & Trade Names Chloroethene, Chloroethylene, Ethylene monochloride, Monochloroethene, Monochloroethylene, VC, Vinyl chloride monomer (VCM) | DOT ID & Guide 1086 116P
Exposure Limits | NIOSH REL: Ca See Appendix A
OSHA PEL: [1910.1017] TWA 1 ppm C 5 ppm [15-minute]
IDLH Ca [N.D.] | Conversion 1 ppm = 2.56 mg/m3
Physical Description Colorless gas or liquid (below 7°F) with a pleasant odor at high concentrations. [Note: Shipped as a liquefied compressed gas.]
MW: 62.5 | BP: 7°F | FRZ: -256°F | Sol(77°F): 0.1%
VP: 3.3 atm | IP: 9.99 eV | RGasD: 2.21 |
Fl.P: NA (Gas) | UEL: 33.0% | LEL: 3.6% |
Flammable Gas
Incompatibilities & Reactivities Copper, oxidizers, aluminum, peroxides, iron, steel [Note: Polymerizes in air, sunlight, or heat unless stabilized by inhibitors such as phenol. Attacks iron & steel in presence of moisture.]
Measurement Methods NIOSH 1007; OSHA 4, 75
Personal Protection & Sanitation Skin: Frostbite Eyes: Frostbite Wash skin: No recommendation Remove: When wet (flammable) Change: No recommendation Provide: Frostbite | First Aid (See procedures) Eye: Frostbite Skin: Frostbite Breathing: Respiratory support
Respirator Recommendations 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 canister providing protection against the compound of concern/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin, and/or eye contact (liquid)
Symptoms Lassitude (weakness, exhaustion); abdominal pain, gastrointestinal bleeding; enlarged liver; pallor or cyanosis of extremities; liquid: frostbite; [potential occupational carcinogen]
Target Organs Liver, central nervous system, blood, respiratory system, lymphatic system Cancer Site [liver cancer]
See also: INTRODUCTION