1 | Appearance | Slightly yellowish liquid. | Colourless or yellowish liquid. |
2 | Solubility | Passes | Sparingly soluble in water, miscible with ethanol (96%) and with methylene chloride. |
3 | Relative density | 1.031 | About 1.03 |
4 | Melting point | 11°C | About 11°C |
5 | Boiling point | 203°C | About 202°C |
6 | Identification by IR | Complies | To Comply the test |
7 | Appearance of Solution | Passes | Freshly prepared solution S is not more opalescent than reference suspension III and not more intensely coloured than reference solution BY7. |
8 | Acidity | Complies | Not more than 0.5ml of 0.01 M sodium hydroxide is required to change the colour of the indicator to yellow. |
9 | Related substances: Impurity B (O-Cresol, cresol) | Not detected | Not more than 0.5% |
10 | Related substances: Impurity C (p-Cresol) | 0.48% | Not more than 0.5% |
11 | Related substances: Any other impurity | 0.07% | Not more than 0.1% |
12 | Related substances: Total impurity | 0.6% | Not more than 1.0% |
13 | Residue on evaporation | 0.005% | 0.1% max |