Off-season Reserves! Unexpected Low Price! More than 9 years' experience of distributing Chlorpyrifos in China. Chlorpyrifos 97% TCDescription: Chlorpyrifos tech is white crystalline solid with a mild sulfur odor. stability at room temperature. Density: 1.398(43.5°C). Melting Point: 41.5~43.5°C. Vapour Pressure: 2.5mPa(25°C). Solubility: 1.2mg/l in water, readily soluble in most organic solvents. ...