Chlorpyrifos

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.