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Hypophosphorous Acid |
M.F.:H3PO2 M.W.:66.0 Property:The pure form of this product is a colorless crystal with the density of (19°C)1.493 and the melting point of 26.5°C. It can be mixed with water in any proportions. Being a strong reducer, it can be mixed with water in any proportion, and it is easily oxidized in air. If the anhydrous acid is heated to 130-140°C, it will be decomposed into PH3 and H3PO4. |
Specification:
Item | Specification |
Hypophosphorous acid (H3PO2) Content, % ≥ | 50.0 |
Phosphorous acid (H3PO3) Content, % ≤ | 0.3 |
Iron (Fe) Content, % ≤ | 0.0005 |
Chloride (Calculated as Cl)Content, % ≤ | 0.015 |
Sodium(Na)Content, % ≤ | 0.05 |
Sulfate(Calculated as SO4)Content, % ≤ | 0.015 |
Arsenic (As)Content, % ≤ | 0.0001 |
Lead (Pb)Content, % ≤ | 0.0005 |
Chroma(Hazen) | 30 |
Relative Density(20°C) | 1.210-1.226 |
Uses:
1.As antioxidant and color-reducing agent for alkyd resin.
2.As reducer.
3.In the manufacture of sodium hypophosphite, calcium hypophosphite, manganese hypophosphite, iron hypophosphite etc.
Storage:Hermetically sealed in storage.
Package:In PVC drum with the net capacity of 25 kg.
Manufacturing
