Hypophosphorous acid HPA H3PO2 Hypo-Phosphorus Acid CAS 6303-21-5

Chemical Name: Hypophosphorous acid HPA
Chemical Type: Other fine chemicals
CASNO: 6303-21-5
Specification: HYPOPHOSPHOROUS ACID 50% (H3PO2)
CAS No. 6303-21-5
Appearance: colorless or slightly yellow liquid
Solubility: miscible in water
H3PO2 content: 50% min.
H3PO3: 0.3% max.
Na: 0.050% max.
Fe: 0.0005% max.
Sulfate:0.010% max
Calcium:0.010% max
Copper: 1 ppm max
Arsen: 1 ppm max
Lead:1 ppm max
Sb:1 ppm max
Color(Hazen):Less to 30
Specific Gravity 1.190~1.220.
Application: used as reducing agent, analysis reagent etc.
Package: 50kg or 250kg per plastic drum, or IBC drum

Hypophosphorous Acid 30-32%
Appearance: a colorless liquid
Assay:30~32%
Molecular formula: H3PO2
Molecular weight: 66
Proportion: 1.21-1.24
CAS NO.: 6303-21-5
H3PO2 Content 30-32% Min.
H3PO3 Content 0.3% Max.
Sodium Content 0.5% Max.
Sulfate Content 0.3% Max.
Iron Content 0.0005% Max. (5 ppm)
Chlorine Content 0.02% Max. (200 ppm)
Packed in 25kgs/50kgs/225kgs/250kgs plastic drum.
Also available in 1000kgs IBC.

65%
Appearance: colorless or slightly yellow liquid
Solubility: miscible in water
H3PO2 content: 65% min.
H3PO3: 0.3% max.
Na:0.050% max.
Fe: 0.0008% max.
Sulfate: 0.010% max.
Calcium:0.010%max
Copper:1ppm max
Arsen:1ppm max
Lead:1ppm max
Sb:1ppm max
Colorness(Hazen):Less to 30
Specific Gravity:1.250-1.300
Application: used as reducing agent, analysis reagent etc.
Package: 50kg or 250kg per plastic drum, or IBC drum