CAS No.: | 7664-38-2 |
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Formula: | H3po3 |
EINECS: | 237-066-7 |
Classification: | Phosphoric Acid |
Appearance: | Transparent Liquid, Liquid |
Grade Standard: | Food Grade, Industrial Grade, Agriculture Grade |
Samples: |
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Customization: |
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Phosphorous acid, an inorganic compound with the chemical formula H3PO3, is a white crystalline powder, easily soluble in water and ethanol, slowly oxidized to orthophosphoric acid in air and decomposed to orthophosphoric acid and phosphine when heated to 180°C.
ITEM | Technical Grade | Food Grade |
Content as H3PO4% | 75.0/80.0/85.0 | 75.0/80.0/85.0 |
Chloride as Cl% | ≤0.0005 | / |
Sulphate as SO4% | ≤0.005 | / |
Heavy metal as Pb% | ≤0.001 | ≤0.0005 |
Colority | ≤20 | / |
Arsenic as As% | ≤0.005 | ≤0.00005 |
Reductive matter as H3PO3% | / | ≤0.012 |
Iron as Fe% | ≤0.002 | / |
Fluoride as F% | / | ≤0.001 |
35kg/bag, adjustable , according to customer requirement
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