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Substance Name: Demeton-O-methyl [ISO]
RN: 867-27-6
UNII: V8S3QU9IT2
InChIKey: ZVZQKNVMDKSGGF-UHFFFAOYSA-N

Classification Codes

  • Acaricide
  • Agricultural Chemical
  • Insecticide
  • Out-Dated Pesticide

Molecular Formula

  • C6-H15-O3-P-S2

Molecular Weight

  • 230.2875
 
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Names and Synonyms

Name of Substance

  • Demeton-O-methyl [ISO]

Synonyms

  • 2-(Ethylthio)ethyl dimethyl phosphorothionate
  • 4-01-00-02445 (Beilstein Handbook Reference)
  • beta-Ethylmercaptoethyl dimethyl thionophosphate
  • BRN 1707378
  • Demeton-O-methyl
  • Demeton-O-metile
  • Demeton-O-metile [Italian]
  • EINECS 212-758-1
  • Methyl-demeton-O
  • Methyl-O-demeton
  • O,O-Dimethyl 2-ethylmercaptoethyl thiophosphate, thiono isomer
  • O,O-Dimethyl O-2-(ethylthio)ethyl phosphorothioate
  • O,O-Dimethyl O-ethylmercaptoethyl thiophosphate
  • O,O-Dimethyl-O-(2-aethylthio-aethyl)monothiophosphat
  • O,O-Dimethyl-O-(2-aethylthio-aethyl)monothiophosphat [German]
  • O,O-Dimethyl-O-(2-ethyl-thio-ethyl)-monothiofosfaat
  • O,O-Dimethyl-O-(2-ethyl-thio-ethyl)-monothiofosfaat [Dutch]
  • O,O-Dimetil-O-(2-etiltio-etil)-monotiofosfato
  • O,O-Dimetil-O-(2-etiltio-etil)-monotiofosfato [Italian]
  • O-(2-(Ethylthio)ethyl) O,O-dimethyl phosphorothioate
  • O-(2-(Ethylthio)ethyl) O,O-dimethyl thiophosphate
  • Thiophosphate de O,O-dimethyle et de O-2-ethylthio-ethyle
  • Thiophosphate de O,O-dimethyle et de O-2-ethylthio-ethyle [French]
  • UNII-V8S3QU9IT2

Systematic Names

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

Registry Numbers

CAS Registry Number

  • 867-27-6

FDA UNII

  • V8S3QU9IT2

System Generated Number

  • 0000867276

Structure Descriptors

InChI

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

InChIKey

ZVZQKNVMDKSGGF-UHFFFAOYSA-N

Smiles

P(OCCSCC)(OC)(OC)=S

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LCLo inhalation 20mg/m3 (20mg/m3)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 28(3), Pg. 21, 1963.
cat LDLo oral 30mg/kg (30mg/kg)   Farmakologiya i Toksikologiya Vol. 22, Pg. 559, 1959.
mouse LD50 oral 46mg/kg (46mg/kg)   Farmakologiya i Toksikologiya Vol. 22, Pg. 559, 1959.
rabbit LDLo skin 75mg/kg (75mg/kg) BEHAVIORAL: TREMOR Farmakologiya i Toksikologiya Vol. 22, Pg. 559, 1959.
rat LD50 intravenous 216mg/kg (216mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: ATAXIA
Biochemical Journal. Vol. 67, Pg. 187, 1957.
rat LD50 oral 75mg/kg (75mg/kg)   Farmakologiya i Toksikologiya Vol. 22, Pg. 559, 1959.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point < 25 deg C   EXP
log P (octanol-water) 0.470 (none)   EST
Water Solubility 330 mg/L   EXP
Atmospheric OH Rate Constant 4.72E-11 cm3/molecule-sec 25 EST

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