Appearance colorless liquid | ||
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Dimethyl dithiophosphoric acid is the organophosphorus compound with the formula (CH3O)2PS2H. It is the processor for production of the organothiophosphate insecticide Malathion. Although samples can appear dark, the compound is a colorless, distillable liquid.
It is prepared by treating phosphorus pentasulfide with methanol:
P2S5 + 4 CH3OH → 2 (CH3O)2PS2H + H2SReferences
Dimethyl dithiophosphoric acid Wikipedia(Text) CC BY-SA