VINYL CHLORIDE (CHLOROETHYLENE)†

Chemical Identification
Chemical Identification
CAS # 75-01-4
Formula

C₂H₃Cl

Synonyms

chloroethene; chloroethylene; ethylene monochloride; monochloroethene; monochloroethylene; VC; vinyl chloride monomer (VCM)

Physical Properties
Physical Properties
Physical description Colorless gas or liquid (below 7°F) with a pleasant odor at high concentrations.
Boiling point 7°F Molecular weight 62.5
Freezing point/melting point -256°F Vapor pressure 3.3 atm
Flash point -110°F Vapor density 2.21
Specific gravity 0.969 at 8.6°F Ionization potential 9.99 eV
Lower explosive limit (LEL) 3.6% Upper explosive limit (UEL) 33%
NFPA health rating 2 NFPA fire rating 4
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 2580
Sampling group
Sampler/Sampling media ORBO™ 91 Carbosieve® S-III (130/65) [Supelco 20360]
Sampling time*

60 min

Sampling volume (TWA)*

3 L

Sampling flow rate (TWA)*

0.05 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference OSHA 75 (fully validated)
Notes

Submit as a separate sample. Refrigerate samples and analyze as soon as possible.

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
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device Detector tube Detector tube CMS Chip CMS Chip
Model/Type Gastec 131LA Matheson-Kitagawa 8014-132SA Vinyl chloride, 0.3-10 ppm range Vinyl chloride, 10-250 ppm range
Sampling information
(see manufacturer instructions)
0.5-4 strokes, 0.05-54 ppm range, uncertainty 6% for 1-6 ppm, 8% for 6-20 ppm follow mfr instructions, approx 0.05-1% range
Exposure Limits
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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

1 ppm [0.5 ppm Action Level]

REL-TWA TLV-TWA

1 ppm [1997]

PEL-TWA

1 ppm

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C

5 ppm [15 minutes]

REL-C TLV-C PEL-C
Skin notation

N

Skin notation

N

Skin notation

N

Skin notation

Y

Notes:

See 29 CFR 1910.1017, Vinyl chloride.

Notes:

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.

Notes: Notes:

See California Code of Regulations, Title 8, Section 5210. Vinyl Chloride.

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: EPA-K;A, IARC-1, NIOSH-Ca, NTP-K, OSHA-Ca, TLV-A1 Notes:

Ca

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

500 ppm/5000 ppm/20000 ppm

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Vinyl chloride

NIOSH: Pocket Guide to Chemical Hazards - Vinyl chloride

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Vinyl Chloride. See annual publication for most recent information.
  • Lewis, R.: Vinyl chloride and polyvinyl chloride. Occup. Med. 14(4): 719-741, 1999.
  • Huang, C.Y., Huang, K.L., Cheng, T.J., Wang, J.D. and Hsieh, L.L.: The GST T1 and CYP2E1 genotypes are possible factors causing vinyl chloride induced abnormal liver function. Arch. Toxicol.71(8): 482-488, 1997.
  • Li, Y., Marion, M.J., Ho, R., Cheng, T.J., Coulibaly, D., Rosal, R. and Brandt-Rauf, P.W.: Polymorphisms for vinyl chloride metabolism in French vinyl chloride workers. Int. J. Occup. Med. Environ. Health 16(1): 55-59, 2003.

Last Updated Date : 01/29/2021