Demeton-S-methyl is a chemical molecule 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. Its IUPAC name is S-2-ethylthioethyl O,O-dimethyl phosphorothioate and its CAS name is S-[2-(ethylthio)ethyl] O,O-dimethyl phosphorothioate. It is flammable and and poisonous to humans.

External links

• Data sheet including displayed formula
• Health information