Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: DDE
RN: 72-55-9
UNII: 4M7FS82U08
InChIKey: UCNVFOCBFJOQAL-UHFFFAOYSA-N

Note

  • An organochlorine pesticide, it is the ethylene metabolite of DDT.

Molecular Formula

  • C14-H8-Cl4

Molecular Weight

  • 318.0292
 

Classification Codes

Classification Codes

  • Insecticides
  • Mutation Data
  • Pesticides
  • Reproductive Effect
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 21
  • 2011 CERCLA Priority List, Rank: 21
  • Reportable Quantity (RQ) = 1 lb

Names and Synonyms

Name of Substance

  • DDE

MeSH Heading

  • Dichlorodiphenyl dichloroethylene

Synonyms

  • 1,1'-(Dichloroethenylidene)bis(4-chlorobenzene)
  • 1,1-Bis(p-chlorophenyl)-2,2-dichloroethylene
  • 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethene
  • 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene
  • 1,1-Dichloro-2,2-bis(para-chlorophenyl) ethylene
  • 1,1-Dichloro-2,2-di(p-chlorophenyl)ethylene
  • 2,2-Bis(4-chlorophenyl)-1,1-dichloroethene
  • 2,2-Bis(4-chlorophenyl)-1,1-dichloroethylene
  • 2,2-Bis(p-chlorophenyl)-1,1-dichloroethylene
  • 4,4'-DDE
  • 4-05-00-02177 (Beilstein Handbook Reference)
  • AI3-01715
  • Benzene, 1,1'-(dichloroethenylidene)bis(4-chloro-
  • BRN 1913355
  • CCRIS 193
  • DDE
  • DDE (VAN)
  • DDT dehydrochloride
  • Dichlorodiphenyl dichloroethene
  • Dichlorodiphenyldichloroethylene
  • EINECS 200-784-6
  • Ethylene, 1,1-dichloro-2,2-bis(p-chlorophenyl)-
  • HSDB 1625
  • NCI-C00555
  • NSC 1153
  • p,p'-(Dichlorodiphenyl)-2,2-dichloroethylene
  • p,p'-DDE
  • p,p'-Dichlorodiphenyl dichloroethylene
  • p,p'-Dichlorodiphenyldichloroethylene
  • UNII-4M7FS82U08

Systematic Names

  • 2,2-Bis(p-chlorophenyl)-1,1-dichloroethylene
  • Benzene, 1,1'-(dichloroethenylidene)bis(4-chloro-
  • Benzene, 1,1'-(dichloroethenylidene)bis(4-chloro- (9CI)
  • Ethylene, 1,1-dichloro-2,2-bis(p-chlorophenyl)-
  • p,p'-DDE

Superlist Names

  • 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene
  • 4,4'-DDE
  • Benzene, 1,1'-(dichloroethenylidene)bis(4-chloro-
  • DDE
  • DDE, p,p'-
  • Dichlorodiphenyldichloroethylene
  • p,p'-DDE
  • p,p'-Dichlorodiphenoldichloroethylene
  • para,para'-DDE

Registry Numbers

CAS Registry Number

  • 72-55-9

FDA UNII

  • 4M7FS82U08

System Generated Number

  • 0000072559

Structure Descriptors

InChI

1S/C14H8Cl4/c15-11-5-1-9(2-6-11)13(14(17)18)10-3-7-12(16)8-4-10/h1-8H

InChIKey

UCNVFOCBFJOQAL-UHFFFAOYSA-N

Smiles

c1cc(ccc1C(=C(Cl)Cl)c2ccc(cc2)Cl)Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
hamster LD50 oral > 5gm/kg (5000mg/kg)   Laboratory Animal Science. Vol. 26, Pg. 274, 1976.
mouse LD50 oral 700mg/kg (700mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 400, 1946.
rat LD50 oral 880mg/kg (880mg/kg)   Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 89 deg C   EXP
Boiling Point 336 deg C   EXP
log P (octanol-water) 6.51 (none)   EXP
Water Solubility 0.04 mg/L 25 EXP
Henry's Law Constant 4.16E-05 atm-m3/mole 25 EXP
Atmospheric OH Rate Constant 7.43E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.