Isopropyl alcohol CDMF 200LT Go Back

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.
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