| 1 | Appearance/Description | Clear, colorless, volatile liquid having pungent odor Boils at 118°C. Specific gravity is 1.05 | Crystalline mass or clear, colorless, volatile liquid having pungent odor Boils at about 118°C. Specific gravity about 1.05 | USP/Ph.Eur |
| 2 | Solubility | Complies | Miscible with water, with ethanol (96%), with methylene chloride and with glycerin. | USP/Ph.Eur |
| 3 | Identification A (By Chemical test) | Complies | A 100 g/L solution is strongly acid | Ph.Eur |
| 4 | Identification B (Acetates) | Complies | A blue precipitate should form or a dark blue color should develop | USP/Ph.Eur |
| 5 | Appearance | Complies | The substance to be examined should be clear and colourless | Ph.Eur |
| 6 | Reducing substances | Complies | The color of solution should remain pink. | Ph.Eur |
| 7 | Readily oxidizable substances | Complies | The pink color should not change to brown within 2 hours. | USP |
| 8 | Chloride (Cl) | Less than 25 mg/L | NMT 25 mg/L | Ph.Eur |
| 9 | Sulphate (SO4) | Less than 50 mg/L | NMT 50 mg/L | Ph.Eur |
| 10 | Iron (Fe) | Less than 5 ppm | NMT 5 ppm | Ph.Eur |
| 11 | Assay | 99.8% | 99.5% to 100.5% m/m | USP/Ph.Eur |
| 12 | Limit of Nonvolatile residue /Residue on evaporation | 0.002% | NMT 0.005% | USP/Ph.Eur |
| 13 | Congealing temperature | 15.8°C | NLT 15.6°C | USP |
| 14 | chloride | Complies | No opalescence should produced | USP |
| 15 | Sulfate | Complies | No turbidity should produced | USP |