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1,2-Dibromoethane

CAS Number

106-93-4

Synonym

EDB; Ethylene dibromide; Ethylene bromide

Occurrence/Use

Pesticide for felled logs and beehives; chemical intermediate for dyes, resins, waxes, and gums. Former pesticide and ingredient of soil and grain fumigant formulations until these uses were banned in the US in 1984. Use as a lead scavenger in antiknock gasoline mixtures ended with the phase-out of leaded gasoline in the US by 1996. Trace amounts occur naturally in the ocean.

1,2-Dibromoethane

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 
7.1 E-5
Inhalation Slope Factor (mg/kg-day)-1: 
2.5 E-1
Oral Slope Factor (mg/kg-day)-1: 
2.5 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.  See Ethylene Dibromide.

Air

Chronic REL

Chronic Inhalation REL (μg/m3): 
0.8
Chronic Target Organs: 
Reproductive (decreased sperm count)
Human Data: 
Yes
Last Chronic REL Revision: 
2001
Chronic Reference Exposure Levels Comments: 

Proposition 65

Chemical Status

Cancer: 
Currently listed
Reproductive Toxicity: 
Currently listed

Cancer

Listed for: 
Cancer
Date of Listing: 
07/01/1987
Basis for Listing: 
Formally Required

Reproductive Toxicity

Listed for: 
Developmental Toxicity
Male Reproductive Toxicity
Developmental Toxicity
Date of Listing: 
05/15/1998
Basis for Listing: 
Authoritative Bodies-National Institute for Occupational Safety and Health
Authoritative Bodies-US Environmental Protection Agency
Male Reproductive Toxicity
Date of Listing: 
05/15/1998
Basis for Listing: 
Authoritative Bodies-National Institute for Occupational Safety and Health
Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL) - Oral: 
0.2 µg/day
No Significant Risk Level (NSRL) - Inhalation: 
3 µg/day

Public notices related to this chemical: 

Water

California Public Health Goals Data

Health Risk Category: 
Carcinogenicity
Public Health Goal (mg/L): 
0.00001
Public Health Goal - Download: 
Cancer Risk at PHG: 
0.000001
MCL value (mg/L): 
0.00005
Cancer Risk at MCL: 
0.000005
Last PHG Revision : 
2003
California PHG Comments: