Common name: Chlorpyrifos Chemical name: O, O-diethyl-O-(3, 5, 6-trichloro- 2-pyridyl) phos-phorothioate CAS NO: 2921-88-2 M.f: C9H11Cl3NO3 PS Mol.wt: 350.6 Physical chemistry: white crystalline solid with a mild sulfur odor M. P : 41.5-43.5°C V. P: 2.5mPa(25°C) Solubility :1.2mg/l in water, readily soluble in most organic solvents . Usage: Thiophosphate insecticide; Contact, stomach, and respiratory action. Non persistent on leaves, persistent in soil, high efficiency for the control of underground pests. At the recommended dosage, no phytotoxicity for most crop, but sensitive to tobacco. Spec: 40%EC;95%Tech ; 97%Tech Packing: 200Kgs/ Iron drum or according to customer requirement