| 1 | Description | Clear liquid, not more than 10 Hazen units in colour. | Clear liquid, not more than 10 Hazen units in colour. | |
| 2 | Solubility | Complies | Miscible with water, with alcohol and with methylene chloride | |
| 3 | Assay (acidimetric) | 99.85% | min. 99.8% | |
| 4 | Freezing point | 16.6°C | min. 16.2°C | |
| 5 | Boiling point (95%) | 117.6°C | 117° - 118°C | |
| 6 | Wt. per ml,20°C | 1.0485g | 1.048 - 1.050g | |
| 7 | Refractive index | 1.3717 | 1.3716 - 1.3720 | |
| 8 | Transmission profile(10mm cell)@252nm | 35.35% | min.10% | |
| 9 | Transmission profile(10mm cell)@256nm | 59.60% | min.50% | |
| 10 | Transmission profile(10mm cell)@260nm | 85.36% | min.80% | |
| 11 | Transmission profile(10mm cell)@264nm | 92.68% | min.90% | |
| 12 | Transmission profile(10mm cell)@290nm | 99.47% | min.98% | |
| 13 | Colour (APHA) | Less than 10 hazen | 10 hazen | |
| 14 | Residue on evaporation | 0.0001% | 0.0005% max. | |
| 15 | Chloride (Cl) | Less than 0.0001% | 0.0001% max. | |
| 16 | Sulphate (SO4) | Less than 0.0001% | 0.0001% max. | |
| 17 | Water | 0.09% | 0.1% max. | |