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Product Description
Features:
1) Product: phosphorous acid
2) Synonyms: orthophosphorous acid; phosphonic acid
3) CAS No.: *********1
4) Molecular formula: H3PO3
5) Molecular weight: *2
6) Specific gravity: 1.***0
7) Melting point: *3.6°C
8) Boiling point: **0°C (decomposing at **0°C)




Specifications:
content:*8.5%min
phosphate:0.2%max
chloride:0.*2%max
sulphate:0.**2%max
heavy metal as pb:0.**1%max
iron:0.**5%max
water solubility test:excellent


Applications:
1) As raw material of the manufacture for phosphite and plastic stabilizers
2) Used for reducing agent in chemical reaction, and used in synthetic fibre and agro-chemicals industry