1 | Description | Clear, colourless, volatile liquid. | A crystalline mass or clear, colourless, volatile liquid. |
2 | Solubility | Passes | Miscible with water, with ethanol (96%) eith methylene chloride and with ether |
3 | Identification A (By Chemical test) | Passes | A 10% w/v solution is storngly acidic. |
4 | Identification B (By Chemical test) | Passes | The solution gives reaction (c) of acetates. |
5 | Appearance | Passes | Sample should be clear and colourless. |
6 | Freezing point | 15°C | Min. 14.8°C. |
7 | Residue on evaporation | 0.0006% | Not more than 0.01%. |
8 | Reducing substances | Passes | Not less than 1.0 ml of 0.1M sodium thiosulphate is required. |
9 | Iron (Fe) | Less than 5ppm | Not more than 5ppm. |
10 | Chloride (Cl) | Less than 25ppm | Not more than 25ppm. |
11 | Sulphate (SO4) | Less than 50ppm | Not more than 50ppm. |
12 | Assay | 99.91% | 99.0% w/w - 100.5% w/w |