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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.
Product 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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Product 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.