English name: chlorpyrifos (ANSI,ISO,BSI )
Alias: O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; ANSI; ISO; BSI; Dowco179; ENT27311; O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate; Clorpyrifos; Phosphorothioic acid O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester; Chlorpyritos; Eradex; Lorsban; Trichlorpyrphos; Chlorpyriphos; O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate; O,O-diethyl S-(3,5,6-trichloropyridin-2-yl) thiophosphate
Chemical name: O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
O,O－diethyl－O－(3,5,6－trichloro－2－pyridyl)phos－phorothioate
CAS No.: 2921-88-2
Molecular formula: C9H11C13NO3PS 
Molecular weight: 350.5
Properties: white particle crystal; stable under room temperature; density: 1.398(43.5℃); melting point: 41.5~43.5℃; vapour pressure: 2.5mPa(25℃); water solubility: 1.2mg/L; soluble in most organic solvent
Application range: For prevention of coleopteran, diptera, Homoptera and Lepidoptera insect