Phosphorous Acid

CAS No.  13598-36-2

Molecular Formula:H3PO3                 Molecular weight: 81.99

Structural Formula:

Phosphonic Acid(pca) Structural Formula

Properties:

Phosphorous Acid is colorless crystals, soluble in water.

Specification:

Items Index
99% 98.5% 97%
Appearance White crystal White crystal White flake
H3PO3, % 99.0 min 98.50 min 97.0 min
Fe, mg/L 10.0 max 50.0 max 50.0 max
Chloride (as Cl), % 0.002 max 0.01 max
Sulphate (as SO42-), % 0.006 max 0.008 max
Phosphoric acid (as PO42-), % 0.2 max 1.50 max

Usage:

Phosphorous Acid is widely used for manufacturing of raw materials, the plastics industry for the manufacture of plastic stability Agent of raw materials, chemical reactions used as a reducing agent, also used for synthetic fiber, pesticide Industries.

Package and Storage:

25KG/bag or 1000KG/big bag, customers’ requirement. Storage for one year in shady room and dry place.

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