... maxUsageHypophosphorous acid is mainly used as reductant in electroless nickel plating. Also, It can be used as ... for example Calcium Hypophosphite, Magnesium Hypophosphite, Ammonium Hypophosphite, Nickel Hypophosphite, Manganous Hypophosphite, Ferric Hypophosphite, etc. b. ... extensive to used for the medicine, chemical engineering, coating, electroplate, paint, the chemistry electroplates to wait the ...