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1,2-Dibromo-3-chloropropane

CAS Number

96-12-8

Synonym

DBCP

Occurrence/Use

Pesticide, nematicide, soil fumigant; chemical intermediate. No longer produced or used agriculturally in US since 1985.

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 
1.9 E-3
Inhalation Slope Factor (mg/kg-day)-1: 
7.0 E+0
Oral Slope Factor (mg/kg-day)-1: 
7.0 E+0
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
Reproductive Toxicity: 
Currently listed

Cancer

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

Reproductive Toxicity

Listed as causing: 
Male Reproductive Toxicity
Male Reproductive Toxicity
Date of Listing: 
02/27/1987
Basis for Listing: 
Formally Required

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL): 
0.1 µg/day
Reproductive Toxicity
Maximum Allowable Dose Level (MADL) - Inhalation: 
4.3 µg/day
Maximum Allowable Dose Level (MADL) - Oral: 
3.1 µg/day
Last NSRL/MADL Revision: 
2004

Documents, Presentations, and Publications

Reproductive Toxicity: 

Comments

Basis for listing DBCP as known to the State to cause male reproductive toxicity changed from Labor Code to 'Formally Required to Be Labeled or Identified' effective November 22, 2013.

Public notices related to this chemical: 

Water

California Public Health Goals Data

Health Risk Category: 
Carcinogenicity
Public Health Goal (mg/L): 
0.000003
Public Health Goal - Download: 
Cancer Risk at PHG: 
0.000001
MCL value (mg/L): 
0.0002
Cancer Risk at MCL: 
0.00007
Last PHG Revision : 
2020
California PHG Comments: