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Substance Name: Chlorthiophos [ISO]
RN: 21923-23-9
UNII: 1Y631ZW1IN
InChIKey: JAZJVWLGNLCNDD-UHFFFAOYSA-N

Molecular Formula

  • C11-H15-Cl2-O3-P-S2

Molecular Weight

  • 361.2485
 

Classification Codes

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Insecticide

Superlist Classification Code

  • Threshold Planning Quantity (TPQ) = 500 lb
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Names and Synonyms

Results Name

  • Chlorthiophos [ISO]

Name of Substance

  • Chlorthiophos
  • Chlorthiophos I
  • Chlorthiophos [ISO]

Synonyms

  • AI3-27635
  • BRN 2003497
  • Caswell No. 310A
  • CELA S-2957
  • Celamerck S-2957
  • Celathion
  • Chlorthiophos I
  • CM S 2957
  • EINECS 244-663-6
  • ENT 27635
  • EPA Pesticide Chemical Code 111811
  • HSDB 6451
  • NSC 195164
  • O,O-Diethyl-O-2,4,5-dichloro-(methylthio)phenyl thionophosphate
  • O-(2,5-Dichloro-4-(methylthio)phenyl) O,O-diethyl phosphorothioate
  • O-(Dichloro(methylthio)phenyl) O,O-diethyl phosphorothioate (3 isomers)
  • OMS 1342
  • Phosphorothioic acid, O-(2,5-dichloro-4-(methylthio)phenyl) O,O-diethyl ester
  • S 2957
  • UNII-1Y631ZW1IN

Systematic Names

  • Chlorthiophos I
  • O,O-Diethyl-O-(2,5-dichloro-4-(methylthio)phenyl)thionophosphate combined with O,O-diethyl-O-(4,5-dichloro-2- (methylthio)phenyl)thionophosphate and O,O-diethyl-O- (2,4-dichloro-5-(methylthio)phenyl)thionophosphate
  • Phosphorothioic acid, O,O-diethyl O-(2,5-dichloro-4-(methylthio)phenyl) ester
  • Phosphorothioic acid, O-(2,5-dichloro-4-(methylthio)phenyl) O,O-diethyl ester

Superlist Name

  • Chlorthiophos

Registry Numbers

CAS Registry Number

  • 21923-23-9

FDA UNII

  • 1Y631ZW1IN

Other Registry Number

  • 51052-59-6

System Generated Number

  • 0021923239

Structure Descriptors

InChI

1S/C11H15Cl2O3PS2/c1-4-14-17(18,15-5-2)16-10-6-9(13)11(19-3)7-8(10)12/h6-7H,4-5H2,1-3H3

InChIKey

JAZJVWLGNLCNDD-UHFFFAOYSA-N

Smiles

P(=S)(Oc1c(cc(c(c1)Cl)SC)Cl)(OCC)OCC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral 45mg/kg (45mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

BEHAVIORAL: ATAXIA
Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.
guinea pig LD50 oral 58mg/kg (58mg/kg)   Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.
mouse LD50 oral 141mg/kg (141mg/kg)   Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.
quail LD50 oral 45mg/kg (45mg/kg)   Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.
rabbit LD50 oral 20mg/kg (20mg/kg)   Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.
rabbit LD50 skin 31mg/kg (31mg/kg)   Defense des Vegetaux. Vol. 36, Pg. 31, 1982.
rat LD50 oral 13mg/kg (13mg/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.
rat LD50 skin 58mg/kg (58mg/kg)   Arhiv za Higijenu Rada i Toksikologiju. Archives of Industrial Hygiene and Toxicology. Vol. 27, Pg. 3, 1976.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 5.800 (none)   EST
Water Solubility 0.059 mg/L 25 EST
Vapor Pressure 2.40E-06 mm Hg 25 EST
Henry's Law Constant 1.20E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 9.46E-11 cm3/molecule-sec 25 EST

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