1 | Description | Transparent, clear, colorless, mobile, volatile liquid. | Transparent, clear, colorless, mobile, volatile liquid. |
2 | Solubility | Passes | Miscible with water, with alcohol, with ether & with chloroform and with ethanol (96%) |
3 | Identification (Relative density, 20°C) | 0.786 | 0.785 to 0.789 |
4 | Identification (By Refractive index, 20±0.5°C) | 1.378 | 1.377 to 1.378 |
5 | Identification by IR | Complies | IR spectra of the sample should be concomitant with IR spectra of the corresponding standard |
6 | Identification by Chemical test | Complies | The entire sulfuric acid layer should turn violet. |
7 | Identification (By GC Chromatogram) | Complies | The retention time of the major peak of sample solution corresponds to reference 2-propanol standard. |
8 | Distillation range | 81°-83°C | 81°-83°C, not less than 94% vol % |
9 | Specific gravity, 25°C | 0.785 | Between 0.783-0.787 |
10 | Specific gravity, 20°C | 0.786 | Between 0.785-0.788 |
11 | Assay (GC) | 99.97% | Not less than 99.0% |
12 | UV absorbance profile (10mm cell) @ 230nm | 0.206 | 0.30 max |
13 | UV absorbance profile (10mm cell)@250nm | 0.078 | 0.10 max |
14 | UV absorbance profile (10mm cell) at 270nm | 0.007 | 0.03 max |
15 | UV absorbance profile (10mm cell) at 290nm | 0.004 | 0.02 max |
16 | UV absorbance profile (10mm cell) at 310nm | 0.000 | 0.01 max |
17 | Benzene and related substances, (Benzene) | Not detected | 2ppm max |
18 | Benzene and related substances, (Total impurity apart from 2-butanol) | 0.03% | 0.3% max |
19 | Acidity or Alkalinity | Passes | Not more than 0.6 mL of 0.01 M sodium hydroxide should require to change the colour of the indicator to pale pink. |
20 | Peroxides | Passes | No colour should develop |
21 | Non-volatile substances | 3ppm | 20ppm max |
22 | Water (By KF) | 0.05% | 0.5% max |
23 | Limit of volatile impurities (Each individual impurity) | 0.022% | Not more than 0.1% |
24 | Limit of volatile impurities (Total impurity) | 0.03% | Not more than 1.0% |
25 | Clarity of solution | Passes | Clear solution |
26 | Appearance of solution | Passes | Solution of 1mL sample in 20 mL of water should be clear and colourless |