Hypophosphorous Acid(HPA) is a Inorganic Acids product. Key specs — Origin: china.
Product Description
is a colorless or slightly yellow liquid, soluble in water easily. When heated strongly or put together with oxidizers, will be decomposed nto hydrogen phosphide, phosphoric acid, Phosphorous acid and hydrogen.
Specification :
Item | Index | ||
The high-Class | The first-rate | The qualifled | |
H3PO2 Content | Min 50% | Min 50% | Min 50% |
H3PO3 Content | Max 0.5% | Max 0.5% | Max 1.0% |
Na+ Content | Max 0.5% | Max 1.0% | -- |
Fe2+ Content | Max 0.0005% | Max 0.005% | -- |
Cl- Content | Max 0.015% | Max 0.02% | -- |
Use:
is usually used as a reducing agent for chemical plating,medicine, is also used a hypochromic-antioxidant for resin, a fire retardant and plasticizing agent, an uvioresistant agent for textile. may be prepared for various kinds of hypophosphorates.
