1 | Appearance | Clear colourless volatile hygroscopic liquid. | Clear, colourless, volatile, hygroscopic liquid. |
2 | Solubility | Passes | Miscible with water and with methylene chloride. |
3 | Boiling point | 64°C | About 64°C |
4 | Identification A (By Refractive index, 20±0.5°C) | 1.328 | 1.328 to 1.330 |
5 | Identification B (By IR) | Complies | To comply the test |
6 | Acidity or alkalinity | NIL | Not more than 0.9ml of 0.01M sodium hydroxide is required to change the colour of the indicator to pink. |
7 | Relative density (20°C) | 0.791 | 0.791 to 0.793 |
8 | UV absorbance profile (10mm cell) at 230nm | 0.106 | 0.15 max |
9 | UV absorbance profile (10mm cell) at 250nm | 0.020 | 0.05 max |
10 | UV absorbance profile (10mm cell) at 270nm | 0.007 | 0.02 max |
11 | UV absorbance profile (10mm cell) at 290nm | 0.002 | 0.01 max |
12 | Impurity A (Benzene) | Not detected | 2ppm v/v max |
13 | Related substances (Any impurity) | NMT 0.1% | 0.1% max |
14 | Related substances (Total impurity) | NMT 0.3% | 0.3% max |
15 | Reducing substances | Complies | The pink colour is not completely dischared within 5 min. |
16 | Residue on evaporation | 4ppm | 10ppm max |
17 | Water | 0.028% | 0.1% max |
18 | Residual solvent (ICH) | Complies | To comply the test |