General Information:

Azinphos-ethyl is an organophosphate insecticide used to control sucking and chewing pests. It has a low aqueous solubility, relatively volatile and is not expected to leach to groundwater. It may be moderately persistent in some soil systems but is not expected to be persistent in water. It is toxic to mammals and there is also concern regarding its potential to bioaccumulate. It is a neurotoxicant and an acetyl cholinesterase inhibitor. Azinphos-ethyl is highly toxic to birds, fish and aquatic invertebrates. It is moderately toxic to honeybees.

EPA/USP Method

USP Method 561 - Phosphorus Pesticides: Determination of pesticides in articles of botanical origin by gas chromatography. Many botanicals are treated as dietary supplements and are subject to statutory provisions that govern foods.