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Substance Name: Chlorthiophos
RN: 60238-56-4
UNII: O256QW5Y0Q

Note

  • /Chlorthiophos/ A reaction mixture of the three isomers: (i) O-2,4-dichlorophenyl-5-methylthiophenyl O,O-diethyl phosphorothioate; (ii) O-2,5-dichlorophenyl-4-methylthiophenyl O,O-diethyl phosphorothioate (major component); and (iii) O-4,5-dichlorophenyl-2-methylthiophenyl O,O-diethyl phosphorothioate.

Molecular Formula

  • C11-H15-Cl2-O3-P-S2

Molecular Weight

  • 365.2801
 

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Insecticide
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Names and Synonyms

Name of Substance

  • Chlorthiophos

Synonyms

  • Chlorthiophos
  • CM-S 2957
  • O,O-Diethyl O-(dichloro(methylthio)phenyl) phosphorothioate
  • O,O-Diethyl O-dichloro(methylthio)phenyl thiophosphate
  • Phosphorothioic acid, O-(dichloro(methylthio)phenyl) O,O-diethyl ester
  • UNII-O256QW5Y0Q

Systematic Name

  • Phosphorothioic acid, O-(dichloro(methylthio)phenyl) O,O-diethyl ester

Superlist Name

  • Chlorthiophos

Registry Numbers

CAS Registry Number

  • 60238-56-4

FDA UNII

  • O256QW5Y0Q

System Generated Number

  • 0060238564

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 91400ug/kg (91.4mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A093, Pg. 1983,
rabbit LD50 skin 50mg/kg (50mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A093, Pg. 1983,
rat LD50 oral 7800ug/kg (7.8mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C74, 1991.
rat LD50 skin 121mg/kg (121mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A093, Pg. 1983,