GLYCEROL
GLYCEROL Extra Pure
Confirming to IP
Short Name: GLYCEROL
Synonym: 1,2,3-Propanetriol; Glycerin
Basic Details
Article No.
LG2305
Grade
Extra Pure
Purity
98%
CAS No.
56-81-5
HS Code
2905.4500
Shelf Life
60 Months
Packings Avialable
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
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%
Chemical Specifications
Appearance
A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid
Assay
98 - 101%
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 0.0030%
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%
Safety Information & Hazard Symbols