| 1 | Appearance/Description | A clear, oily liquid, colourless | A clear, oily liquid, colourless or very slightly yellow. | USP-NF/Ph.Eur |
| 2 | Solubility | Complies | Practically insoluble in water. Miscible with alcohol, ether and with ethanol (96%). | USP-NF/Ph.Eur |
| 3 | Identification A ( By Relative density, 20°C) | 1.045 | 1.043-1.048 | Ph.Eur |
| 4 | Identification B (By Refractive index, 20±0.5°C) | 1.492 | 1.490-1.495 | USP-NF/Ph.Eur |
| 5 | Identification C (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard. | USP-NF/Ph.Eur |
| 6 | Identification D (By TLC) | Complies | The principal spot in the chromatogram obtained with the test solution is similar in position and size to the principal spot in the chromatogram obtained with the reference solution. | Ph.Eur |
| 7 | Identification E (By Chemical test) | Complies | The solution becomes yellow or brownish-yellow and shows a green fluorescence. | Ph.Eur |
| 8 | Appearance of Solution | Complies | The substance to be examined is clear and not more intensely coloured than reference solution Y6. | Ph.Eur |
| 9 | Acidity | 0.30 mL of 0.1 M sodium hydroxide required | Not more than 0.50 mL of 0.1 M sodium hydroxide should require to change the colour of the indicator. | USP-NF/Ph.Eur |
| 10 | Water | 0.083% | NMT 0.2% | USP-NF/Ph.Eur |
| 11 | Sulphated ash / Residue on ignition | 0.071% | NMT 0.1% | USP-NF/Ph.Eur |
| 12 | Specific gravity, 20°C | 1.045 | 1.043-1.048 | USP-NF |
| 13 | Refractive index (20°C ± 0.5°C) | 1.492 | 1.490-1.495 | USP-NF |
| 14 | Related compounds | 0.3% | NMT 1.0% | USP-NF/Ph.Eur |
| 15 | Assay | 99.80% | 99.0%-101.0% m/m | USP-NF/Ph.Eur |