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1,1-Dichloroethane

CAS Number

75-34-3

Synonym

1,1-DCA; Ethylidene chloride; Ethylidene dichloride; 1,1-Dichloroethane; CH3CHCl2; Dichloromethylmethane; 1,1-Dichlorethane; NCI-C04535; Rcra waste number U076; UN 2362; Asymmetrical Dichloroethane; Dutch Oil

Occurrence/Use

Intermediate in chemical synthesis; solvent. Formerly used as a surgical anesthetic.

Cancer Potency Information

Latest Criteria: 
California Public Health Goals
Inhalation Unit Risk (μg/cubic meter)-1: 
1.6 E-6
Inhalation Slope Factor (mg/kg-day)-1: 
5.7 E-3
Oral Slope Factor (mg/kg-day)-1: 
5.7 E-3
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.

 

OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens.

Air

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
01/01/1990
Basis for Listing: 
Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

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

Documents, Presentations, and Publications

Cancer: 

Public notices related to this chemical: 

Meetings: 

Water

California Public Health Goals Data

Health Risk Category: 
Carcinogenicity
Public Health Goal (mg/L): 
0.003
Public Health Goal - Download: 
Cancer Risk at PHG: 
0.000001
MCL value (mg/L): 
0.005
Cancer Risk at MCL: 
0.000002
Last PHG Revision : 
2003
California PHG Comments: