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Changzhou Qishuyan Fine Chemical CO., LTD.


Phosphorus Pentoxide

in synthesis of phosphorus oxychloride,

wmetaphosphoric acid; in manufacture of acrylate,

surface active agent; in refining of drugs and sugar; as dehydrating agent, desiccant, antistatic agent; analytical reagent.

Polyphosphoric Acid

as cyclizing agent and acylating agent in organic synthesis; analytical reagent.

Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.

Yellow Phosphorus

Standard Executed: GB7816-1998,

Molecular formula: P4.


About Us

Changzhou Qishuyan Fine Chemical CO., LTD. Founded in 1992 which is specialized in producing phosphorus pentoxide with a complete of equipments and testing instruments covers an area of 10000 m2 and more.

The enterprise locates at Qishuyan district of Changzhou City.It has staff and members of more than 35 persons including three professional persons.

At present, its annual production capability has reached above 5500 tons. ...