IUPAC Name: Diethoxy-(6-methyl-2-propan-2-ylpyrimidin-4-yl)oxy-sulfanylidene-λ^5-phosphane

Source: Used as a pesticide on a wide range of crops.

Water Treatment: https://tdb.epa.gov/tdb/contaminant?id=10360

Summary: Diazinon is used as a pesticide to control insect populations on crops and in soil. It does not occur naturally. It is a pale yellow liquid at room temperature. It has a solubility in water of 60 mg/L at 20 C. Upon decomposition will produce toxic fumes nitrogen, sulfur, and phosphorus oxides. Diazinon is an acid with pKa = 2.6. It has been banned for residential use in the United States. Koc values range from 191-1842 and predict low mobility in soil.

GHS Hazard Statement: H302, H311, H312, H317, H332, H350, H361, H370, H371, H372, H373, H400, H410, GHS06, GHS07, GHS08, GHS09