1 | Description | A clear, colourless liquid; odour, characteristic and spirituous; flammable. | A clear, colourless liquid; odour, characteristic and spirituous;flammable. |
2 | Solubility | Complies | Miscible with water, with chloroform with ether and ethanol (96%). |
3 | Identification (Relative density, 20°C) | 0.786 | 0.785 to 0.789 |
4 | Identification (By Refractive index, 20±0.5°C) | 1.377 | 1.376 to 1.379 |
5 | Identification (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard. |
6 | Identification (By chemical test) | Complies | A bright reddish violet ring forms immediately at the junction of the 2 liquid. After 2 5 min, the entire sulphuric acid layer turns violet |
7 | Acidity or Alkalinity | Complies | NMT 0.6ml of 0.01M sodium hydroxide is required to change the colour of the indicator to pale pink. |
8 | Refractive index, 20°C | 1.377 | 1.376 to 1.379 |
9 | Relative density, 20°C | 0.786 | 0.785 to 0.789 |
10 | Benzene and related substances, (Benzene) | Not detected | NMT 2ppm |
11 | Benzene and related substances, (Total impurity apart from 2-butanol) | 0.04% | NMT 0.3% |
12 | Non-volatile substances | 9ppm | NMT 20ppm |
13 | Water | 0.053% | NMT 0.5% |
14 | Appearance of solution | Complies | Clear, colorless liquid |
15 | UV absorbance profile (10mm cell) @ 230nm | 0.144 | NMT 0.30 |
16 | UV absorbance profile (10mm cell)@250nm | 0.050 | NMT 0.10 |
17 | UV absorbance profile (10mm cell)@270nm | 0.011 | NMT 0.03 |
18 | UV absorbance profile (10mm cell)@290nm | 0.006 | NMT 0.02 |
19 | UV absorbance profile (10mm cell) at 310nm | 0.000 | NMT 0.01 |
20 | Peroxides | Complies | No color should develop |
21 | Assay (By GC) | 99.96% | NLT 99.0% of C3H8O |