Demeton-S-methyl

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Demeton-S-methyl[1]
Names
IUPAC name
O,O-Dimethyl S-2-(ethylsulfanyl)ethyl phosphorothioate
Other names
1-(Dimethoxyphosphorylthio)-2-(ethylthio)ethane
S-[2-(Ethylthio)ethyl] O,O-dimethyl phosphorothioate, Demeton methyl; O,O-Dimethyl 2-ethylmercaptoethyl thiophosphate; Metasystox; Methyl mercaptophos; Methyl systox
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.011.866 Edit this at Wikidata
KEGG
  • InChI=1S/C6H15O3PS2/c1-4-11-5-6-12-10(7,8-2)9-3/h4-6H2,1-3H3 checkY
    Key: WEBQKRLKWNIYKK-UHFFFAOYSA-N checkY
  • InChI=1/C6H15O3PS2/c1-4-11-5-6-12-10(7,8-2)9-3/h4-6H2,1-3H3
    Key: WEBQKRLKWNIYKK-UHFFFAOYAF
  • O=P(OC)(SCCSCC)OC
Properties
C6H15O3PS2
Molar mass 230.28 g/mol
Appearance Oily, colorless to pale-yellow liquid[2]
Density 1.2 g/cm3
Boiling point 118 °C (244 °F; 391 K)
0.33 g/100 ml (20 °C)
Vapor pressure 0.0004 mmHg (20°C)[2]
Hazards
NIOSH (US health exposure limits):
PEL (Permissible)
 N.D.[2]
REL (Recommended)
 TWA 0.5 mg/m3 [skin][2]
IDLH (Immediate danger)
 N.D.[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Demeton-S-methyl is an organic compound with the molecular formula C6H15O3PS2. It is used as an acaricide and insecticide; more specifically it is an organothiophosphate acaricide and an aliphatic organothiophosphate insecticide, respectively. It is flammable.

See also

References

  1. ^ Demeton-S-methyl at INCHEM
  2. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0410". National Institute for Occupational Safety and Health (NIOSH).
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