Isopropyl alcohol USP/Ph.Eur/BP 200LT Go Back

CASR

: 67-63-0

Molecular Formula

: CH3CH(OH)CH3

Molecular Weight

: 60.1
Specifications  
Appearance/Description: Transparent, clear, colorless, mobile, volatile liquid, having a characteristic odor. 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 corresponding 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 reference 2-propanol standard.
Specific gravity, 25°C: Between 0.783-0.787.
Assay (By GC): Not less than 99.0%.
UV absorbance profile (10mm cell) at 230nm: 0.30 max.
UV absorbance profile (10mm cell) at 250nm: 0.10 max.
UV absorbance profile (10mm cell) at 270nm: 0.03 max.
UV absorbance profile (10mm cell) at 290nm: 0.02 max.
UV absorbance profile (10mm cell) at 310nm: 0.01 max.
Absorbance (Between 230 nm - 310 nm): The spectrum shows a steadily descending curve with no observable peaks or shoulders.
Benzene and related substances, (Benzene): 2ppm max.
Benzene and related substances, (Total impurity apart from 2-butanol): 0.3% max.
Acidity or Alkalinity: Not more than 0.6 mL of 0.01 M sodium hydroxide should require to change the colour of the indicator to pale pink.
Peroxides: No colour developes.
Non-volatile substances: 20ppm max.
Water (By KF): 0.5% max.
Limit of volatile impurities (Each individual impurity): Not more than 0.1%.
Limit of volatile impurities (Total impurity): Not more than 1.0%.
Appearance of solution: The sample should be clear and colorless. Solution of 1 mL sample in 20 mL of water should be clear.
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