Paraoxon

**Semantic type:** Pharmacologic Substance

**Definition:** A synthetic aryl dialkyl phosphate compound and organophosphate acetylcholinesterase inhibitor that is the active metabolite of the insecticide parathion and is used as a pesticide. It is characterized as a reddish-yellow oily liquid with a faint fruity odor, and exposure occurs by inhalation, ingestion, or contact.

**Synonyms:** - Oxyparathion - PARAOXON - PARAOXON - Phosphachole - TS 219 - p-Nitrophenyl Diethylphosphate