GLYCEROL

Product Code : 00155




Specifications

Appearance A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid
Assay (on anhydrous basis) 98 - 101%
Identification as per IP To comply
Clarity (50% w/v in distilled water) Clear
Colour (10 ml of 50% w/v solution diluted to 25 ml) Colorless
Refractive index (20°C; 589 nm) 1.470 - 1.475
Acidity Max 0.2 ml of 0.1 N NaOH required for 50 ml of 50% w/v solution
Alkalinity NIL
Heavy metal (as Pb) Max 0.0005%
Iron (Fe) Max 0.0004%
Chloride (Cl) Max 0.0025%
Sulphate (SO4) Max 0.003%
Aldehyde and reducing substance To Pass IP test
Ester Min 8.0 ml of 0.1M HCl required to decolorise the 50 ml of 50% w/v solution of glycerin in water
Ethlylene glycol, diethylene glycol and related substances To comply
Sugar To pass IP test
Sulphated ash Max 0.01%
Water (H2O) Max 2%




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