1. Home
  2. Library
  3. Chemicals
  4. Dichlorodiphenyltrichloroethane (DDT)

Dichlorodiphenyltrichloroethane (DDT)

CAS Number

50-29-3

Synonym

Azotox; Chlofenotan; Chlorophenothane; Chlorphenotoxum; Citox; Clofenotane; DDT; Dedelo; Deoval; Detox; Dibovin; Dicophane; Dodat; Dykol; Estonate; Genitox; Gesafid; Gesarex; Gesarol; Gyron; Hildit; Ivoran; Ixodex; Kopsol; Mutoxan; NCI-C00464; Neocid; Caswell No. 308; Parachlorocidum; Pentachlorin; Pentacidium; Rukseam; Tafidex; Zeidane; Zerdane; 1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethane; EPA Pesticide Code: 029201

Occurrence/Use

Insecticide. Banned for agricultural use in the US in 1972; Stockholm Convention (not ratified by the US) restricted use to public health vector control in 2004.

Dichlorodiphenyltrichloroethane (DDT)

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

Proposition 65

Chemical Status

Cancer: 
Currently listed
Reproductive Toxicity: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
10/01/1987
Basis for Listing: 
State's Qualified Experts

Reproductive Toxicity

Listed as causing: 
Developmental Toxicity
Male Reproductive Toxicity
Female 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
Female 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): 
2 µg/day

Comments

Listing for developmental and reproductive effects using synonym p,p'-DDT. Please note that DDD, DDE, and DDT are listed separately under Proposition 65, but the NSRLs are for DDT, DDE, and DDD in combination.

Public notices related to this chemical: