Sodium Hypophosphite as a white, water-soluble material and lists uses including pharmaceutical applications and nickel plating;  sodium phosphinate also use as a reducing agent in electroless nickel plating and as a chemical/laboratory reagent. 

RXSOL Sodium Hypophosphite – Manufacturer & Supplier

RXSOL Sodium Hypophosphite is a high-purity inorganic reducing agent supplied in solid form for industrial, chemical-processing, surface-treatment and specialty applications. It is also known as sodium phosphinate and is available in anhydrous and monohydrate forms depending on grade and specification. 

The product is typically supplied as a white crystalline or granular, water-soluble material. Sodium hypophosphite is valued particularly for its reducing properties and is widely used in electroless nickel plating, chemical processing and laboratory applications.