1,2-Dichloroethane

CAS Number

107-06-2

Synonym

1,2-DCA; Ethylene dichloride; Ethylene chloride; glycol dichloride; Freon 150; Dutch liquid; Dutch oil; edc; 1,2-Ethylidene dichloride; sym-dichloroethane; Brocide; Ethane dichloride; 1,2-Ethylene dichloride; alpha, beta-dichloroethane; borer sol; destruxol borer-sol; dichloremulsion; di-chlor-mulsion; 2-Dichloroethane

Occurrence/Use

Insect fumigant for grains and orchards, solvent for resins and fats, gasoline additive to remove lead; chemical intermediate in organic synthesis (vinyl chloride); precursor to dry cleaning agent

1,2-Dichloroethane

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

Inhalation Unit Risk (μg/cubic meter)-1: 2.1 E-5
Inhalation Slope Factor (mg/kg-day)-1: 7.2 E-2
Oral Slope Factor (mg/kg-day)-1: 4.7 E-2
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.  See Ethylene Dichloride.

OEHHA 1999. Public Health Goal for 1,2-Dichloroethane in Drinking Water.

Air

Chronic REL

Chronic Inhalation REL (μg/m3): 400
Chronic Target Organs: Alimentary system (liver)
Human Data: No
Last Chronic REL Revision: 2000
Chronic Reference Exposure Levels Comments:

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3

 

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
State's Qualified Experts
Listed as causing : Listed as causing: Cancer
Date of Listing:

Safe Harbor Levels

No Significant Risk Level (NSRL)
10 µg/day
Cancer

Water

California Public Health Goals Data

Health Risk Category: Carcinogenicity
Public Health Goal (mg/L): 0.0004
Public Health Goal - Download: 12dcamemo.pdf
Cancer Risk at PHG: 0.000001
MCL value (mg/L): 0.0005
Cancer Risk at MCL: 0.000001
Last PHG Revision : 2005
California PHG Comments:

Value established in 1999; reviewed in 2005 without change.
OEHHA 2005.  Update of the Public Health Goal for 1,2-Dichloroethane
OEHHA 1999. Public Health Goal for 1,2-Dichloroethane