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Substance Name: Mesulfenfos [ISO]
RN: 3761-41-9
UNII: 724UP1459F
InChIKey: DLAPIMGBBDILHJ-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Insecticide

Molecular Formula

  • C10-H15-O4-P-S2

Molecular Weight

  • 294.3305
 
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Names and Synonyms

Results Name

  • Mesulfenfos [ISO]

Name of Substance

  • Mesulfenfos [ISO]

Synonyms

  • BRN 2136026
  • Fensulfoxide
  • Fenthion sulfoxide
  • Mesulfenfos
  • Mesulfenos
  • O,O-Dimethyl O-((4-methylthio)-m-tolyl)phosphorothioate sulfoxide
  • O,O-Dimethyl O-(4-(methylsulfinyl)-m-tolyl) phosphorothioate
  • UNII-724UP1459F

Systematic Names

  • Phosphorothioic acid, O,O-dimethyl O-(3-methyl-4-(methylsulfinyl)phenyl) ester (9CI)
  • Phosphorothioic acid, O,O-dimethyl O-(4-(methylsulfinyl)-m-tolyl) ester

Registry Numbers

CAS Registry Number

  • 3761-41-9

FDA UNII

  • 724UP1459F

System Generated Number

  • 0003761419

Structure Descriptors

InChI

1S/C10H15O4PS2/c1-8-7-9(5-6-10(8)17(4)11)14-15(16,12-2)13-3/h5-7H,1-4H3

InChIKey

DLAPIMGBBDILHJ-UHFFFAOYSA-N

Smiles

Cc1cc(ccc1S(=O)C)OP(=S)(OC)OC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intracrebral 5mg/kg (5mg/kg)   Pesticide Biochemistry and Physiology. Vol. 8, Pg. 302, 1978.
mouse LD50 oral 220mg/kg (220mg/kg) GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

BEHAVIORAL: TREMOR
Journal of Pharmacobio-Dynamics. Vol. 9, Pg. 697, 1986.
rat LD50 intraperitoneal 250mg/kg (250mg/kg)   Toxicology and Applied Pharmacology. Vol. 6, Pg. 86, 1964.
rat LD50 oral 125mg/kg (125mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 279, 1973.
rat LDLo skin 3gm/kg (3000mg/kg) PERIPHERAL NERVE AND SENSATION: FASCICULATIONS Bulletin of the World Health Organization. Vol. 29, Pg. 205, 1963.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 1.920 (none)   EST
Water Solubility 3.72 mg/L 25 EXP
Vapor Pressure 5.51E-06 mm Hg 25 EST
Henry's Law Constant 8.65E-11 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.22E-10 cm3/molecule-sec 25 EST

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