CASR |
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Molecular Formula |
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Molecular Weight |
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Specifications | |
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Description: | A white, crystalline powder or small, opaque, monoclinic crystals. |
Solubility: | Freely soluble in water; practically insoluble in ethanol (95%). |
Identification A (By Chemical test): | A pale pink color should produce. On heating gas evolves and the solution becomes red |
Identification B (Bicarbonates): | Solutions when boiled, liberate carbon dioxide. |
Identification C (Sodium): | A dense white precipitate should form. |
Appearance of solution: | Clear and colorless solution. |
Arsenic (As): | NMT 2ppm |
Calcium (Ca): | Clear solution. |
Heavy metals: | NMT 5ppm |
Iron (Fe): | NMT 20ppm |
Carbonate: | pH of the freshly prepared solution should not be greater than 8.6 |
Chlorides: | NMT 200ppm |
Sulphate (SO4): | NMT 150ppm |
Assay: | 99.0% - 101.0% |