CASR |
: | 144-55-8 |
Molecular Formula |
: | NaHCO3 |
Molecular Weight |
: | 84.01 |
| Specifications | |
|---|---|
| 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% |
