1 | Appearance | Volatile, clear colourless liquid. | Volatile, clear, colourless liquid. |
2 | Solubility | Passes | Miscible with water, with alcohol , with ether, with chloroform, and with most volatile oils. |
3 | Appearance of solution | Passes | Clear and colourless. |
4 | Identification by IR | Complies | To comply the test |
5 | Identification by Chromatogram | Complies | To comply the test |
6 | Identification by Chemical test | Complies | To comply the test |
7 | Relative density,20°C | 0.791 | 0.790 - 0.793 |
8 | Specific gravity, 25°C | 0.789 | NMT 0.789 |
9 | Matter insoluble in water | Passes | 5% solution should clear in water. |
10 | Reducing substances | Passes | The mixture is not completely decolourised. |
11 | Residue on evaporation | 0.0002% | 0.004% max. |
12 | Acidity or Alkalinity | Passes | In 5ml, 0.5ml of 0.01M NaOH, add phenolphthalein solution, the solution is pink. Add 0.7ml of 0.01M HCl,add methyl red solution, the solution is red or orange. |
13 | Related substances (GC) A) Methanol | NMT 0.05% | 0.05% max. V/V |
14 | Related substances (GC) B) Propan-2-ol | NMT 0.05% | 0.05% max. V/V |
15 | Related substances (GC) C) Benzene | NMT 2 ppm | 2 ppm max. V/V |
16 | Any other impurity | NMT 0.05% | 0.05% max. V/V |
17 | Water (By KF) | 0.132% | 0.30% max |
18 | Assay (GC) | 99.97% | min. 99.00% |
19 | Residual solvent (ICH) | Complies | To comply the test |