Kantonlab

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 mol of 50% w/v solution diluted to 25 ml)	colourless
Refractive index (20° C ; 589 nm)	1.470 - 1.475
Acidiity	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 0.1 M HCl required to decolorise the 50 ml of 50% w/v solution of glecerin in water
Ethylene glycol,diethylene glycol and related substance	To Comply
Sugar	To pass IP test
Sulphated ash	Max 0.01%
Water (H2O)	Max 2%