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CASR

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Molecular Formula

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Molecular Weight

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Specifications  
Description: Clear colourless, viscous liquid having a slight, characteristic taste. Is practically odorless. Absorbs moisture when exposed to moist air. (USP)
Solubility: Misible with water,with ethanol (96%),with acetone, and with chloroform.Soluble in ether and will dissolve many essential oils, but is immiscible with fixed oils. (USP)
Identification (By IR): IR spectra of the sample should be concomitant with IR spectra of the standard. (USP)
Identification (Diethylene glycol): NMT 0.10% (USP)
Identification (Ethylene glycol): NMT 0.10% (USP)
Identification (By GC Chromatogram): The retention time of the propylene glycol peak of the sample solution corresponds to that of the standard solution. (USP)
Identification (by Relative density, 20°C): 1.035 - 1.040 (Ph.Eur)
Identification (By Refractive index, 20±0.5°C): 1.431 - 1.433 (Ph.Eur)
Identification (By Boiling Point): 184° - 189°C (Ph.Eur)
Identification(By Melting point): Crystals should melt between 121 °C to 128 °C. (Ph.Eur)
Clarity and colour of solution: Clear and colorless.
Specific gravity, 25°C: 1.035 - 1.037 (USP)
Relative density, 20°C: 1.035 - 1.040 (Ph.Eur)
Refractive index (20°C ± 0.5°C): 1.431 - 1.433 (Ph.Eur)
Assay: NLT 99.5% (USP)
Residue on ignition: The weight of residue should NMT 2.5 mg (0.005% max.) (USP)
Chloride (Cl): 70ppm max. (USP)
Sulphate (SO4): 60ppm max. (USP)
Acidity: Not more than 0.05 mL of 0.1 M sodium hydroxide  should require to change the colour of the indicator to blue. (Ph.Eur)
Oxidising substances: Not more than 0.2 mL of 0.05 M sodium thiosulfate should required. (Ph.Eur)
Reducing substances: The solution does not change its appearance. (Ph.Eur)
Water: NMT 0.2% (USP)
Total aerobic microbial count: 100 cfu/ml max. (In-house)
Total Yeast & mold count: 10 cfu/ml max. (In-house)
Bacterial endotoxins: NMT 0.012 EU/mg (In-house)
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