Methyl Parathion

**Definition:** The methyl homolog of parathion. An effective, but highly toxic, organothiophosphate insecticide and cholinesterase inhibitor.

**Tree numbers:** - D02.705.400.625.600.500 - D02.705.539.345.600.500 - D02.886.300.692.600.500

**Synonyms:** - Metaphos - Methylparathion - Parathion Methyl