Omethoate (C5H12NO4PS) is a systemic organophosphorous insecticide and acaricide available as a soluble concentrate.

It is used to control insects and mites in horticulture and agriculture, as well as in the home garden.

This inhibition over-stimulattes parts of the nervous system that rely on acetylcholine to transmit nerve impulses.

Its toxicity and hazard potential are still under review because of concerns about its safety.

The acceptable daily intake (ADI) has been amended from 0.0003 to 0.0004 mg/kg bw [1]