HPA-50-HP

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-HP is a high purity hypophosphorous acid. It can be 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 , %                                                      50.0 – 52.0
Phosphorous Acid Content, %                         0.5 max
Iron (as Fe ), ppm                                            5 max
Chloride (as Cl ), ppm                                    100 max
Specific Gravity ( at 20 deg C)                      1.20 – 1.23