Hypophosphorus acid/CAS No. 6303-21-5
Mixing with water
Stable. Incompatible with strong bases. Reacts violently with oxidizing agents, strong bases, mercury (II) nitrate and mercury (II) oxide. Do not heat above 100 C.
1、Strong reductant used to prepare hypophosphite such as sodium hypophosphite and calcium hypophosphite.
2、Used in electroplating bath, pharmacy and general reagent.
3、It is used for the reduction of diazo salts (denitrification) and the reduction of halogens in aromatic rings of polynitro compounds.