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