Properties:
Chemical formula: H3PO2
Molecular weight: 66
Appearance: colorless transparent liquid
Solubility: soluble in water at any proportion
Breaks down into hydrogen phosphide, phosphoric acid, phosphorous acid and hydrogen in contact with heat or oxidant.
Specific gravity: (20℃)50% solution1.247
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Quality standard (enterprise standard)
Index Item
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Index
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Electronic grade
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Technical grade
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Hypophosphorous acid (H3PO2) content%≥
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50.0
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50.0
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Phosphorous acid (H3PO3) content %≤
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0.3
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0.5
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Sodium (Na) content % ≤
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0.3
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0.5
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Iron (Fe) content % ≤
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0.0003
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0.0005
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Chlorine (Cl) content % ≤
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0.005
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0.015
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Application:
The product can be used as reducing agent. It can be widely used in chemical plating, pharmaceutical, chemical, resin, coating, ink, water treatment, and other industries.
Packing and storage:
Blue plastic drum or 1000LIBC, net weight 25kg /250kg/1000kg. Keep in dry and well-ventilated place. Avoid high temperature or contacting with oxidants.
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