| 1 | Appearance/Description | Clear, colourless, practically odorless, oily liquid. | Clear, colourless or very slightly yellow, practically odorless, oily liquid. | (USP-NF/Ph.Eur) |
| 2 | Solubility | Complies | Practically insoluble in water, miscible with ethanol (96%), alcohol, ether and with other usual organic solvents. | (USP-NF/Ph.Eur) |
| 3 | Identification A ( By Relative density, 20°C) | 1.119 | 1.117-1.121 | (Ph.Eur) |
| 4 | Identification B (By Refractive index, 20±0.5°C) | 1.501 | 1.500-1.505 | (Ph.Eur) |
| 5 | Identification (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of 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 green fluorescence. | (Ph.Eur) |
| 8 | Appearance of solution | Complies | The sample should be clear and not more intensely colored than reference solution Y6. | (Ph.Eur) |
| 9 | Specific gravity (20°C) | 1.119 | Between 1.118 to 1.122 | (USP-NF) |
| 10 | Related substances | 0.03% | NMT 1.0% | (Ph.Eur) |
| 11 | Water (By KF) | 0.043% | NMT 0.2% | (USP-NF/Ph.Eur) |
| 12 | Acidity | 0.30ml of 0.1 N sodium hydroxide required | NMT 0.50 ml of 0.1 N sodium hydroxide is required for neutralization. | USP-NF |
| 13 | Residue on ignition /Sulfated ash | 0.01% | NMT 0.02% | (USP-NF/Ph.Eur) |
| 14 | Assay (By Titration) | 99.5% | 99.0%-101.0% m/m | (USP-NF/Ph.Eur) |