Phosphorous acid(orphosphonic acid) is thecompounddescribed by theformulaH3PO3. Thisacidisdiprotic(readily ionizes two protons), nottriproticas might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds. Organic derivatives of phosphorous acid, compounds with the formulaRPO3H2, are calledphosphonic acids.
Phosphorous acid (
or more accurately
) is a colorless, crystalline inorganic acid, functioning primarily as a diprotic reducing agent, not triprotic, with strong phosphite salt-forming properties. It is a key intermediate in producing phosphite salts, used as corrosion inhibitors in water treatment and for pathogen control in crops.

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Price 25.0 INR / Kilograms
Minimum Order Quantity : 200 Kilograms
Type : Drum
Form : Powder
Chemical Name : Diammonium Phosphate
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Price 46.0 INR / Kilograms
Minimum Order Quantity : 200 Kilograms
Type : Ccolorless Liquid
Form : Liquid
Chemical Name : Ethanoic acid OR Methanecarboxylic Acid
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Price 105.0 INR / Kilograms
Minimum Order Quantity : 400 Kilograms
Type : Liquid
Form : Liquid
Chemical Name : Acetyl Chloride
Grade : Food Grade
Price 500.0 INR / Kilograms
Minimum Order Quantity : 20 Kilograms
Type : Powder
Form : Liquid
Chemical Name : Aerosil 200
Grade : Food Grade