Description
Glycerol is a simple polyol compound. It is a colorless, odorless, viscous liquid that is widely used in pharmaceutical formulations. Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature.
Technical Bulletin
Description: Glycerine
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Test Description |
Specification Limits Min. Max. |
Unit of Measure |
Test Method |
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Appearance |
Clear |
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Odour |
Odourless |
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%glycerol by mass |
99.5 |
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Colour |
10 |
APHA |
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Fatty acid and ester |
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%Chloride |
0.001 |
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%Chlorinated compounds |
0.003 |
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%Sulphates |
0.002 |
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Moisture |
0.5 |
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Arsenic as PPM |
1.5 |
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Heavy metals as Pb PPM |
5 |
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%Residue on ignition |
0.01 |
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Specific gravity @ 20 degrees C |
1.2642 |
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Organic Volatile impurities • C6H6 • CHCL3 • 1-4 dioxane • CH2CL2 • TCE |
100 50 100 500 100 |
PPM |
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Identification(IR spectra) |
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Chromatographic purity % |
0.1 |
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Label
Glycerol is a simple polyol compound. It is a colorless, odorless, viscous liquid that is widely used in pharmaceutical formulations. Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature.
LABEL PROPERTY
General Information
Form …………….Viscous
Colour………….. Colourless
Odour…………….. Pleasant
Change in condition
Melting point/Melting range………….. 18.2°C
Boiling point/Boiling range………..290°C
Flash point…… 160°C
Ignition temperature …….400°C
Danger of explosion………………….Product does not present an explosion hazard.
Explosion limits:
Lower ………….0.9 Vol %
Vapour pressure at……………….. 20°C <0.1 hPa
Density at ...................20°C 1.26 g/cm³
Solubility in / Miscibility with Fully miscible.
