Label abbreviations descriptions

VINYL CHLORIDE (CHLOROETHYLENE)†

Chemical Identification
CAS # 75-01-4
Formula

C₂H₃Cl
Synonyms

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

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
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.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

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
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 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:

Visit the ACGIH TLV site for specific data

 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

Last Updated Date : 05/03/2024