CASR |
: | 67-63-0 |
Molecular Formula |
: | CH3CH(OH)CH3 |
Molecular Weight |
: | 60.1 |
| Specifications | |
|---|---|
| Appearance/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 ether & with chloroform and with ethanol (96%) |
| Identification (Relative density, 20°C): | 0.785 to 0.789 |
| Identification (By Refractive index, 20±0.5°C): | 1.376 to 1.378 |
| Identification (By IR): | IR spectra of the sample should be concomitant with IR spectra of the standard |
| Identification (By chemical test): | The entire sulfuric acid layer should turn violet. |
| 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. |
| Identification (Limit of Methanol): | NMT 0.02% |
| Assay (GC): | NLT 99.0% |
| UV absorbance profile (10mm cell) at 230nm: | NMT 0.30 |
| UV absorbance profile (10mm cell) at 250nm: | NMT 0.10 |
| UV absorbance profile (10mm cell) at 270nm: | NMT 0.03 |
| UV absorbance profile (10mm cell) at 290nm: | NMT 0.02 |
| UV absorbance profile (10mm cell) at 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 2ppm |
| 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% |
| Limit of Non-volatile residue: | NMT 20ppm |
| Specific gravity, 25°C: | Between 0.783 - 0.787 |
| Refractive index, 20°C: | Between 1.376-1.378 |
| Acidity or Alkalinity: | NMT 0.6ml of 0.01 M sodium hydroxide is required to change the colour of the indicator to pale pink. |
| Water (By KF): | NMT 0.5% |
| Peroxides: | No colour developes |
| Appearance of solution: | Solution of 1 ml sample in 20ml of water should be clear and colorless. |
