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Substance Name: Demeton-S-methyl [ISO:BSI]
RN: 919-86-8
UNII: HU8BO5S9WK
InChIKey: WEBQKRLKWNIYKK-UHFFFAOYSA-N

Molecular Formula

  • C6-H15-O3-P-S2

Molecular Weight

  • 230.288
 

Classification Codes

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Insecticide
  • Mutation Data

Superlist Classification Codes

  • Threshold Planning Quantity (TPQ) = 500 lb
  • TWA (0.05 mg/m3, vapor and aerosol, inhalable fraction); Not classifiable as a human carcinogen; Skin; Sensitizer, BEI
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Names and Synonyms

Results Name

  • Demeton-S-methyl [ISO:BSI]

Name of Substance

  • Demeton-S-methyl
  • Demeton-S-methyl [BSI:ISO]

Synonyms

  • 2-Ethylthioethyl dimethyl phosphorothioate
  • 4-01-00-02461 (Beilstein Handbook Reference)
  • AI3-24963
  • BAY 18436
  • Bayer 18 436
  • Bayer 25/154
  • BRN 1707311
  • CCRIS 5215
  • Demeton-S-methyl
  • Demeton-S-metile
  • Demeton-S-metile [Italian]
  • Demetox
  • DEP 836 349
  • Dimethyl S-(2-eththioethyl)thiophosphate
  • Duratox
  • EINECS 213-052-6
  • Ethanethiol, 2-(ethylthio)-, S-ester with O,O-dimethyl phosphorothioate
  • HSDB 6410
  • Metaisoseptox
  • Metaisosystox
  • Metasystox (I)
  • Metasystox 55
  • Metasystox J
  • Methyl demeton thioester
  • Methyl isosystox
  • Methyl thionodemeton
  • Methyl-mercaptofos teolovy (USSR)
  • Methylmercaptofostiol (USSR)
  • Mifatox
  • O,O-Dimethyl 2-ethylmercaptoethyl thiophosphate, thiolo isomer
  • O,O-Dimethyl S-(2-(ethylthio)ethyl)phosphorothioate
  • O,O-Dimethyl S-(2-eththioethyl)phosphorothioate
  • O,O-Dimethyl S-ethylmercaptoethyl thiophosphate
  • O,O-Dimethyl-S-(2-aethylthio-aethyl)-monothiophosphat
  • O,O-Dimethyl-S-(2-aethylthio-aethyl)-monothiophosphat [German]
  • O,O-Dimethyl-S-(2-ethylthio-ethyl)-monothiofosfaat
  • O,O-Dimethyl-S-(2-ethylthio-ethyl)-monothiofosfaat [Dutch]
  • O,O-Dimethyl-S-(3-thia-pentyl)-monothiophosphat
  • O,O-Dimethyl-S-(3-thia-pentyl)-monothiophosphat [German]
  • O,O-Dimetil-S-(2-etiltio-etil)-monotiofosfato
  • O,O-Dimetil-S-(2-etiltio-etil)-monotiofosfato [Italian]
  • Phosphorothioic acid, O,O-dimethyl S-(2-(ethylthio)ethyl) ester
  • S-(2-(Ethylthio)ethyl) dimethyl phosphorothiolate
  • S-(2-(Ethylthio)ethyl) O,O-dimethyl phosphorothioate
  • S-(2-(Ethylthio)ethyl) O,O-dimethyl thiophosphate
  • Thiometon oxon
  • Thiophosphate de O,O-dimethyle et de S-2-ethylthio-ethyle
  • Thiophosphate de O,O-dimethyle et de S-2-ethylthio-ethyle [French]
  • UNII-HU8BO5S9WK
  • USP 2 571 989

Systematic Names

  • Demeton-S-methyl
  • Phosphorothioic acid, S-(2-(ethylthio)ethyl) O,O-dimethyl ester

Superlist Name

  • Demeton-S-methyl

Registry Numbers

CAS Registry Number

  • 919-86-8

FDA UNII

  • HU8BO5S9WK

Other Registry Number

  • 1079803-49-8

System Generated Number

  • 0000919868

Structure Descriptors

InChI

1S/C6H15O3PS2/c1-4-11-5-6-12-10(7,8-2)9-3/h4-6H2,1-3H3

InChIKey

WEBQKRLKWNIYKK-UHFFFAOYSA-N

Smiles

P(SCCSCC)(OC)(OC)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 intraperitoneal 12500ug/kg (12.5mg/kg)   Toxicology and Applied Pharmacology. Vol. 4, Pg. 621, 1962.
guinea pig LD50 oral 110mg/kg (110mg/kg)   Toxicology and Applied Pharmacology. Vol. 4, Pg. 621, 1962.
mammal (species unspecified) LD50 unreported 40mg/kg (40mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 346, 1971.
rat LC50 inhalation 500mg/m3/4H (500mg/m3)   "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
rat LD50 intraperitoneal 7500ug/kg (7.5mg/kg)   Toxicology and Applied Pharmacology. Vol. 4, Pg. 621, 1962.
rat LD50 intravenous 65mg/kg (65mg/kg)   Biochemical Journal. Vol. 67, Pg. 187, 1957.
rat LD50 oral 30mg/kg (30mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C197, 1991.
rat LD50 skin 85mg/kg (85mg/kg)   Pharmaceutical Journal. Vol. 185, Pg. 361, 1960.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point < 25 deg C   EXP
log P (octanol-water) 1.02 (none)   EXP
Water Solubility 3300 mg/L 20 EXP
Vapor Pressure 3.00E-04 mm Hg 20 EXP
Henry's Law Constant 2.75E-08 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 4.72E-11 cm3/molecule-sec 25 EST

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