HPA-50
GENERAL
CHEMICAL NAME : Hypophosphorous Acid, Phosphinic acid
CHEMICAL FORMULA : H3PO2
MOLECULAR WEIGHT : 66.0
CAS NUMBER : 6303-21-5
APPEARANCE : Clear, colourless liquid
DESCRIPTION
PLANEXX HPA-50 is used as antioxidant, catalyst, color inhibitor, reducing agent and chemicals
intermediate. It is also used in the synthesis of hypophosphite salts, like sodium hypophosphite for
electroless plating.
SPECIFICATIONS
PROPERTIES TYPICAL VALUE
Assay , % 48.0 – 52.0
Phosphorous Acid Content, % 0.5 max
Iron (as Fe ), ppm 10 max
Chloride (as Cl ), ppm 200 max
Specific Gravity ( at 20 deg C) 1.20 – 1.23