| 1 | Appearance | Clear, colourless oily liquid. | Clear, colourless or very slightly yellow, oily liquid. | Ph.Eur |
| 2 | Solubility | Complies | Practically insoluble in water, miscible with ethanol (96%). | Ph.Eur |
| 3 | Identification A ( By Relative density, 20°C) | 1.118 | 1.117-1.121 | Ph.Eur |
| 4 | Identification B (By Refractive index, 20±0.5°C) | 1.501 | 1.500 to 1.505 | Ph.Eur |
| 5 | Identification C (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard. | 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 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 | 0.08ml of 0.1 M sodium hydroxide required | Not more than 0.1ml of 0.1M sodium hydroxide is required to change the colour of the indicator to pink. | Ph.Eur |
| 10 | Related substances | 0.07% | NMT 1.0% | Ph.Eur |
| 11 | Water | 0.013% | NMT 0.2% | Ph.Eur |
| 12 | Sulphated ash | 0.01% | NMT 0.1% | Ph.Eur |
| 13 | Assay | 99.42% | 99.0%-101.0% m/m | Ph.Eur |