1 | Appearance | Clear, colourless, transparent, mobile, volatile liquid, having a characteristic odor & a slightly bitter taste. Is flammable. | Clear, colourless, transparent, mobile, volatile liquid, having a characteristic odor & a slightly bitter taste. Is flammable. |
2 | Solubility | Passes | Miscible with water and with alcohol with ether & with chloroform. |
3 | Identification by IR | Complies | To comply the test |
4 | Identification By GC Chromatogram | Complies | The retention time of the major peak of sample solution corresponds to reference 2-propanol standard. |
5 | Identification by Chemical test | Complies | To comply the test |
6 | Relative density,20°C | 0.785 | 0.785 - 0.789 |
7 | Refractive index, 20°C ± 0.5°C | 1.377 | 1.376 - 1.378 |
8 | Distillation range(95%) | 81° - 83°C | 81° - 83°C |
9 | Specific gravity, 25°C | 0.784 | 0.783 - 0.787 |
10 | Appearance of solution | Passes | Clear & colourless solution. |
11 | UV absorbance profile (10mm cell) at 230 nm | 0.123 | 0.30 max. |
12 | UV absorbance profile (10mm cell) at 250 nm | 0.032 | 0.10 max |
13 | UV absorbance profile (10mm cell) at 270 nm | 0.007 | 0.03 max. |
14 | UV absorbance profile (10mm cell) at 290 nm | 0.003 | 0.02 max. |
15 | UV absorbance profile (10mm cell) at 310 nm | 0.001 | 0.01 max. |
16 | Non-volatile substance | 7ppm | 20 ppm max. |
17 | Acidity or Alkalinity | Passes | Passes test |
18 | Acidity | Passes | NMT 0.7ml of 0.020 N sodium hydroxide is required for neutralization. |
19 | Benzene and related substances,(a)Benzene | Not detected | 2 ppm max. |
20 | Benzene and related substances,(b)Total impurity apart from 2-butanol | 0.04% | 0.30% max. |
21 | Limit of volatile impurities (Each individual impurity) | 0.05% | Not more than 0.1% |
22 | Limit of volatile impurities (Total impurity) | 0.05% | Not more than 1.0% |
23 | Peroxides | Complies | No colour develops |
24 | Water | 0.090% | 0.10% max. |
25 | Assay (GC) | 99.95% | Min. 99.00% |
26 | Residual solvent (ICH) | Complies | To comply the test |