... 5. we are a manufacturer Sodium Hypophosphite Monohydrate ( SHPP)Basic Information:1. Commodity: Sodium Hypophosphite Monohydrate 2. CAS No.: ... . HS code: 2835100000 Property:Sodium hypophosphite (NaH2PO2, also known as sodium phosphinate) is the sodium salt of hypophosphorous acid and is ... in water, and easily absorbs moisture from the air. Sodium hypophosphite should be kept in a cool, dry place, ...