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:

US EPA 1988. IRIS Database: Dichlorodiphenyltrichloroethane.

Proposition 65

Chemical Status

Cancer: Currently listed
Reproductive Toxicity : Currently listed

Cancer

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

Reproductive Toxicity

Date of Listing
Listed as causing: Developmental Toxicity Male Reproductive Toxicity Female Reproductive Toxicity
Developmental Toxicity
Date of Listing:
Basis for Listing : Authoritative Bodies-National Institute for Occupational Safety and Health Authoritative Bodies-US Environmental Protection Agency
Male Reproductive Toxicity
Date of Listing:
Basis for Listing : Authoritative Bodies-National Institute for Occupational Safety and Health Authoritative Bodies-US Environmental Protection Agency
Female Reproductive Toxicity
Basis for Listing: Authoritative Bodies-National Institute for Occupational Safety and Health Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

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

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.

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