1.White powder,surface density:0.35-0.9g/cm3,melting point:622ºC，free soluble in water,aqueous solution appears acid.It's a kind of inorganic surface active agent.
2.In foodstuff industry it is used as quality improver in the process of canned food,fruit juice drinks,foodstuffs from milk or soybeans.It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean.It may also serve as a softener or densifier in foodstuff industry.

3.it is packed with polythene bag as the inner layer,and a compound plastic woven bag as the outer layer.The net weight of each bag is 25kg.