1 | Description | Clear, colorless, volatile liquid. | Crystalline mass or clear, colorless, volatile liquid. |
2 | Solubility | Complies | 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 | 16.0°C | NLT 14.8°C |
6 | Reducing substances | Complies | The color of solution should remain pink. |
7 | Chloride (Cl) | Less than 25 mg/L | NMT 25 mg/L |
8 | Sulphate (SO4) | Less than 50 mg/L | NMT 50 mg/L |
9 | Iron (Fe) | Less than 5 ppm | NMT 5 ppm |
10 | Residue on evaporation | 0.0008% | NMT 0.01% |
11 | Assay | 99.8% | 99.0% m/m - 100.5% m/m. |