1. Home
  2. Library
  3. Chemicals
  4. Dichlorodiphenyldichloroethane (DDD)

Dichlorodiphenyldichloroethane (DDD)

CAS Number

72-54-8

Synonym

DDD; Dichlorodiphenyl Dichloroethane; p,p'-dichlorodiphenyldichloroethane; Dilene; NCI-C00475; Caswell No. 307; 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane; p,p'-DDD; Rhothane; Rothane; Tetrachlorodiphenylethane; TDE; EPA Pesticide Code: 029101

Occurrence/Use

Dusts, emulsions, and wettable powders for contact control of leaf rollers and other insects; degradation product of DDT

Dichlorodiphenyldichloroethane (DDD)

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: 
6.9 E-5
Inhalation Slope Factor (mg/kg-day)-1: 
2.4 E-1
Oral Slope Factor (mg/kg-day)-1: 
2.4 E-1
Comments/References: 

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed for: 
Cancer
Date of Listing: 
01/01/1989
Basis for Listing: 
State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL): 
2 µg/day

Comments

DDD, DDE, and DDT are listed separately under Proposition 65. The NSRLs are for DDT, DDE, and DDD in combination.