CASR |
: | 50-81-7 |
Molecular Formula |
: | C6H8O6 |
Molecular Weight |
: | 176.13 |
Specifications | |
---|---|
Description: | White to slight yellow, odourless crystalline powder: melting point about 190°C with decomposition. |
Solubility: | Freely soluble in water, sparingly soluble in ethanol; insoluble in ether. |
colour reaction: | Passes test |
Reducing reaction: | Passes test |
Loss on drying: | NMT 0.4% (Over H2SO4 in a vacuum, 24hr) |
Specific rotation: | Between +20.5° to + 21.5° |
Ph(1 in 50 soln): | 2.4 - 2.8 |
Sulphated ash: | Not more than 0.1% |
Lead (pb): | NMT 2 mg/kg |
Assay (on dried basis): | Not less than 99.0% |