Chemical Name: Hypophosphorous acid (HPA 50%), Phosphinic acid,
Molecular Formula: H3PO2
Molecular Formula: H3PO2
CAS No.: 6303-21-5
HS Code: 28111990
UN NO.: 3264
Appearance: Clear colorless liquid
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H3PO2
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50% min.
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H3PO3
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0.3% max.
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Fe
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0.0005% max.
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Na
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0.30% max.
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Cl
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0.010% max.
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SO4
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0.010% max.
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Ca
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0.005% max.
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Cu
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1ppm max.
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As
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1ppm max.
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Pb
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1ppm max.
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Color
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10 max.
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Specific gravity
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1.200-1.220
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