GLYCEROL 98% EXTRAPURE

Physical Properties

Physical state at 20 °C	Solid	Colour	Clear colorless
Odour	Odorless	pH Value	5.5 - 8
Melting point/ Freezing point [°C]	20 °C	Auto-ignition temperature [°C]	370°C
Flash point [°C]	160 °C	Boiling point [°C]	182 °C
Vapour pressure mm/Hg	0.0033 mm Hg at 50 °C	Vapour density	3.18
Density [g/cm3]	1.25	Solubility in water [% weight]	Soluble in water
Explosion limits -lower [%]	0.90 %

Appearance	A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid
Assay	98.0 – 101.0%
Identification as per IP	To comply
Clarity (50% w/v in distilled water)	Clear
Color (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
Sugar	To pass IP test
Sulphated ash	Max 0.01%
Water (H2O)	Max 2%

Symbol: GHS05 , GHS07 , GHS08 , GHS09
Signal Word: Warning