Vinyl chloride

CAS Number

75-01-4

Synonym

Chlorethene; Chlorethylene; Chloroethene; Chloroethylene; Ethylene monochloride; Monochloroethene; Monochloroethylene; Trovidur; VC; VCM; Vinyl chloride monomer

Occurrence/Use

Chemical intermediate in the production of PVC, automobile upholstery, housewares, and automotive parts; component of tobacco smoke. Formerly used as aerosol spray propellant until 1974, as a refrigerant, and briefly as an inhalational anaesthetic.

Soil Screening

Last CHHSL revision:	1/2005
CHHSL Comments:	For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm

Cancer Potency Information

Latest Criteria:	California Public Health Goals
Inhalation Unit Risk (μg/cubic meter)-1:	7.8 E-5
Inhalation Slope Factor (mg/kg-day)-1:	2.7 E-1
Oral Slope Factor (mg/kg-day)-1:	2.7 E-1
Comments/References:	OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011.

Air

Acute RELs

Acute REL (μg/m3):	180000
Species:	Human
Acute REL Toxicologic Endpoint:	Sensory irritation
Acute REL Target Organs:	Nervous system, respiratory system; eyes
Severity:	Mild
Last Acute REL Revision:	1999
Acute Reference Exposure Levels Comments:	OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2.

Proposition 65

Chemical Status

Cancer:	Currently listed

Cancer

Cancer - Listing Mechanism

Labor Code

Listed as causing :	Listed as causing: Cancer
Date of Listing:	02/27/1987

Safe Harbor Levels

No Significant Risk Level (NSRL)

3 µg/day

Cancer

Public notices related to this chemical

Availability of Final Data Summaries and Priorities for Chemicals with Respect to Their Potential to Cause Birth Defects or Other Reproductive Harm

Water

California Public Health Goals Data

Health Risk Category:	Carcinogenicity
Public Health Goal (mg/L):	0.00005
Public Health Goal - Download:	vinylch.pdf
Cancer Risk at PHG:	0.000001
MCL value (mg/L):	0.0005
Cancer Risk at MCL:	0.00001
Last PHG Revision :	2000
California PHG Comments:	OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports