Chemical Name: dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate.

Formula: C4H8Cl3O4P.

Molecular weight: 257.45.

CAS No. : 52-68-6.

Structure:
 
Description: 
Appearance : White crystalline powder 
Melting   Point: 83-84 °C. 
Vapour Pressure: 0.30m Pa  at  25°C.
Stability : It is soluble in water (15.4 g/1000 ml  in water at 25°C)and some organic solvents.It hydrolyzes into dichlorvos in alkaline medium.It is umstable at high temperature.
Specification : 97%Tech,80%SP.
Uses: It is a broad spectrum insecticide with stomach poisoning,contact action.It is mainly used on vetetables,fruit trees,tea,mulberry,cotton and rice against various pests,also against public health pests and parasites of domestic animal.In practise,the product has rather better effectiveness on diseases of fish.