... 7 mg/L(at 20°C).Dissolved in a variety of organic solvent,and is lightly in petroleum ether.8. Toxicity It ... ,stomach poison and has a clear effect for larva of lepidoptera, insects of warehouse mosquito,flying and older cotton bollworm,and a ... -effect and non-remain.Widely used for prevention and cure of insects for cotton,fruittree,vegetable,soyabean,tea,mulberry etc.,such ...