Hypophosphorous Acid, HPA 50% Chinese factory
Hypophosphorous Acid, HPA 50% Chinese factory
CAS No.: 6303-21-5
Molecular formula: H3PO2
Molecular Weight: 66.0
UN: 3264
Why choose RICH Group as your HPA supplier?
One of main raw materials of Hypophosphorous Acid, HPA is sodium hypophosphite(SHPP), as RICH Group is also one of biggest supplier of SHPP, RICH Group has advantages of stable quality and competitive prices.
Hypophosphorous acid is a phosphorus oxoacid and a powerful reducing agent. It will often called as HPA.
It is a colorless low-melting compound, which is soluble in water, dioxane, and alcohols. The formula for hypophosphorous acid is generally written H3PO2, but a more descriptive presentation is HOP(O)H2 which highlights its monoprotic character. Salts derived from this acid are called hypophosphites.
HOP(O)H2 exists in equilibrium with the minor tautomer HP(OH)2. Sometimes the minor tautomer is called hypophosphorous acid and the major tautomer is called phosphinic acid.
Hypophosphorous acid, HPA 50% is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. Its main use is for electroless plating, i.e. deposition of metal films from solution. In organic chemistry, H3PO2 best known for their use in the reduction of arenediazonium salts, converting ArN2+ to Ar-H. When diazotized in a concentrated solution of hypophosphorous acid, an amine substituent can be removed from arenes, selectively over alkyl amines.
It can also be used for producing hypophosphites, such as Aluminum Hypophosphites, Calcium Hypophosphites etc..
For more information, pls contact wuting@shrichgroup.com
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