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Substance Name: Dimethyl p-(methylthio)phenyl phosphate
RN: 3254-63-5
UNII: 2W78A2FD6N
InChIKey: BUDNNLHZOCBLAU-UHFFFAOYSA-N

Molecular Formula

  • C9-H13-O4-P-S

Molecular Weight

  • 248.2377
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Insecticide

Superlist Classification Code

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

Name of Substance

  • Dimethyl 4-(methylthio)phenyl phosphate
  • Dimethyl p-(methylthio)phenyl phosphate

Synonyms

  • 4-Methylthiophenyldimethyl phosphate
  • AI3-25734
  • Allied GC-6506
  • BRN 2458575
  • Caswell No. 370
  • Dimethyl p-(methylthio)phenyl phosphate
  • Dimethyl-p-(methylthiofenyl)fosfat
  • Dimethyl-p-(methylthiofenyl)fosfat [Czech]
  • ENT 25734
  • EPA Pesticide Chemical Code 370100
  • Fenthion oxon
  • Fenthion S 2145 oxon
  • GC 6506
  • HA-1200
  • HSDB 1589
  • O,O-Dimethyl O-(4-methylmercaptophenyl) phosphate
  • Phenol, p-(methylthio)-, dimethyl phosphate
  • Phosphoric acid, dimethyl 4-(methylthio)phenyl ester
  • Phosphoric acid, dimethyl p-(methylthio)phenyl ester
  • UNII-2W78A2FD6N

Systematic Names

  • Phosphoric acid, dimethyl 4-(methylthio)phenyl ester
  • Phosphoric acid, dimethyl p-(methylthio)phenyl ester

Superlist Name

  • Phosphoric acid, dimethyl 4-(methylthio)phenyl ester

Registry Numbers

CAS Registry Number

  • 3254-63-5

FDA UNII

  • 2W78A2FD6N

System Generated Number

  • 0003254635

Structure Descriptors

InChI

1S/C9H13O4PS/c1-11-14(10,12-2)13-8-4-6-9(15-3)7-5-8/h4-7H,1-3H3

InChIKey

BUDNNLHZOCBLAU-UHFFFAOYSA-N

Smiles

P(Oc1ccc(SC)cc1)(OC)(OC)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 560ug/kg (0.56mg/kg)   Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
mouse LD50 oral 18mg/kg (18mg/kg)   Archives of Toxicology. Vol. 34, Pg. 103, 1975.
rabbit LD50 skin 48mg/kg (48mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 4, Pg. 189, 1969.
rat LD50 oral 7mg/kg (7mg/kg)   Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.