Methyl demeton

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A light yellow liquid formerly used as an Insecticide. Methyl demeton works as a cholinesterase inhibitor. It was first developed in 1955 and patented to Bayer in 1959.

Synonyms and Related Terms

methyl mercaptophos; methyl systox; O,O-dimethyl-O-(2-ethylthio)ethyl phosphorothioate


  • Toxic by ingestion, inhalation and skin absorption.
  • EChemi: SDS

Physical and Chemical Properties

Soluble in organic solvents. Slightly soluble in water.

Composition C6H15O3PS2
CAS 8022-00-2
Molecular Weight mol. wt. = 230.29

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