1,1,2,2-Tetrachloroethane

CAS Number

79-34-5

Synonym

Acetylene tetrachloride; sym-Tetrachloroethane; s-Tetrachloroethane; R-130; TeCA

Occurrence/Use

Solvent, degreaser, refrigerant, extractant; ingredient in paints and pesticides. In the US, presently used only as chemical intermediate in chemical synthesis.

Cancer Potency Information

Latest Criteria: California Public Health Goals
Inhalation Unit Risk (μg/cubic meter)-1: 5.8 E-5
Inhalation Slope Factor (mg/kg-day)-1: 2.0 E-1
Oral Slope Factor (mg/kg-day)-1: 2.0 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

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
Authoritative Bodies-National Institute for Occupational Safety and Health
Listed as causing : Listed as causing: Cancer
Date of Listing:

Safe Harbor Levels

No Significant Risk Level (NSRL)
3 µg/day
Cancer
Last NSRL/MADL Revision: 1992

Documents, Presentations, and Publications

Cancer:

Water

California Public Health Goals Data

Health Risk Category: Carcinogenicity
Public Health Goal (mg/L): 0.0001
Public Health Goal - Download:
Cancer Risk at PHG: 0.000001
MCL value (mg/L): 0.001
Cancer Risk at MCL: 0.00001
Last PHG Revision : 2003
California PHG Comments: OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports