CASR |
: | 67-63-0 |
Molecular Formula |
: | CH3CH(OH)CH3 |
Molecular Weight |
: | 60.1 |
| Specifications | |
|---|---|
| Description: | Transparent, colourless, mobile, volatile liquid, having a characteristic odour and a slightly bitter taste. Is flammable. Clear, colourless liquid |
| Solubility: | Miscible with water, with alcohol, with methanol, with ether & with chloroform. |
| Relative density, 20°C: | 0.785 to 0.788 |
| Refractive index (20°C ± 0.5°C): | 1.376 to 1.378 |
| Identification by IR: | IR spectra of the sample should be concomitant with IR spectra of the corresponding standard. |
| Identification (By GC Chromatogram): | The retention time of the major peak of sample solution corresponds to the 2-propanol peak of the system suitability standard solution, as obtained in the assay. |
| Specific gravity, 25°C: | Between 0.783-0.787 |
| Identification (Limit of Methanol): | NMT 0.02% |
| Assay (GC): | Not less than 99.0% |
| UV absorbance profile (10mm cell) @ 230nm: | NMT 0.30 |
| UV absorbance profile (10mm cell)@250nm: | NMT 0.10 |
| UV absorbance profile (10mm cell)@270nm: | NMT 0.03 |
| UV absorbance profile (10mm cell)@290nm: | NMT 0.02 |
| UV absorbance profile (10mm cell) @ 310nm: | NMT 0.01 |
| Absorbance (Between 230 nm - 310 nm): | The spectrum shows a steadily descending curve with no observable peaks or shoulders |
| Benzene and related substances, (Benzene): | NMT 2 ppm |
| Benzene and related substances, (Total impurity apart from 2-butanol): | NMT 0.3% |
| Limit of Volatile Impurities (Methanol): | NMT 0.02% |
| Limit of Volatile impurities (Individual Known impurity ethyl ether): | NMT 0.1% |
| Limit of Volatile impurities (Individual Known impurity acetone): | NMT 0.1% |
| Limit of Volatile impurities (Individual Known impurity diisopropyl ether): | NMT 0.1% |
| Limit of Volatile impurities (Individual Known impurity 1-propanol): | NMT 0.1% |
| Limit of Volatile impurities (Individual Known impurity 2-butanol): | NMT 0.1% |
| Limit of Volatile impurities (Individual unspecified impurity): | NMT 0.1% |
| Limit of Volatile Impurities (Total impurities): | NMT 1.0% |
| Acidity: | Not more than 1.4ml of 0.01 mol/L sodium hydroxide VS is required. |
| Peroxides: | No colour develops |
| Non-volatile matter: | NMT 0.002% |
| Water (By KF): | NMT 0.2% |
| Clarity and colour of solution: | The solution should be clear and colorless. |
| Water insoluble substances: | The solution should maintain clear. |
| Readily oxidizable substances: | The pink colour of the solution should not disappear completely. |
| Readily carbonizable substances: | Any colour produced should not more intense than that of the reference solution Y1. |
| Carbonyl compounds: | The dark red colour produce should not more intense than that of 0.50ml of the reference solution obtained in the same way. |
