Phosphorous Acid 70% solution

70% w/w solution of Phosphorous Acid in water.

Phosphorous acid

General Product Properties

CAS #: 13598-36-2
EC #: 233-663-1
Formula: H3PO3
Formula Weight: 81.995 g/mol
Melting Point: 70.1°C

Applications

Phosphorous acid 70% is used for the manufacture of phosphonates (used in detergents and as water conditioners), inorganic phosphites (used as stabilizers) and for production of agrochemicals and pharmaceuticals. Phosphorous acid is a diprotic acid and an intermediate in the synthesis of other phosphorous compounds. Phosphorous acid is a reducing agent that can be used in the production of phosphonates, phosphite salts, and agricultural chemicals. Upon heating, it is a convenient precursor to phosphine (PH3).

Packaging

IBC Totes 1360 KG, net. 55 Gallon Poly Drums, 272 KG, net.

Storage and handling guidelines

Keep container tightly closed in a dry and well-ventilated place, store at ambient Temperature.
Shelf-life: 2 years.

Regulatory Information

Reference: Cymer SDS Phosphorous acid 70%

Phosphorous Acid 70% solution specifications

Minimum Maximum
% Purity 68.0 73.0
Density, g/cm3 1.40 1.46
Appearance Clear, yellow liquid

These figures are given as a guide. Full specifications available on request.

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