GLYCEROL ABT. 98 % LR

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
SM0050102500	LR	98%	56-81-5	C₃H₈O₃	92.09	2905.4500	60 Months

Physical Properties

Physical state at 20 °C

Liquid

Colour

Clear colorless

Odour

Odorless

pH value

5.5 - 8

Melting Point/ Freezing point [°C]

20 °C

Flash Point [°C]

160 °C

Explosion limits -lower [%]

0.90%

Vapour density

3.18

Boiling point [°C]

182 °C

Density [g/cm3]

1.25

Auto-ignition temperature [°C]

370°C

Vapour pressure mm/Hg

0.0033 mm Hg at 50 °C

Solubility in water [% weight]

Soluble in water

Appearance:	A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid
Refractive index (20°C; 589 nm):	1.470 - 1.475
Sulphated ash:	Max 0.01%
Chloride (Cl):	Max 0.0025%
Sulphate (SO4):	Max 0.0030%
Heavy metal (as Pb):	Max 0.0005%
Iron (Fe):	Max 0.0004%
Water (H2O):	Max 2%
Acidity:	Max 0.2 ml of 0.1 N NaOH required for 50 ml of 50% w/v solution
Assay:	98 - 101%
Alkalinity:	NIL
Aldehyde and reducing substance:	To Pass IP test
Clarity (50% w/v in distilled water):	Clear
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
Colour (10 ml of 50% w/v solution diluted to 25 ml):	Colorless