1 | Description | Clear, colorless, volatile liquid. | Crystalline mass or clear, colorless, volatile liquid. |
2 | Solubility | Passes | Miscible with water, with ethanol (96%) with methylene chloride. |
3 | Identification A (By Chemical test) | Complies | A 100 g/L solution should strongly acid |
4 | Identification B (By Chemical test) | Complies | A blue precipitate should form or a dark blue color should develop |
5 | Freezing point | 15.0°C | Min 14.8°C |
6 | Reducing substances | Passes | The color of solution should remain pink. |
7 | Chloride (Cl) | Less than 25 mg/L | 25 mg/L max |
8 | Sulphate (SO4) | Less than 50 mg/L | 50 mg/L max. |
9 | Iron (Fe) | Less than 5 ppm | 5 ppm max. |
10 | Residue on evaporation | 0.002% | 0.01% max. |
11 | Assay | 99.91% | 99.0% m/m - 100/5% m/m. |