glycerol 56-81-5 glycerinum
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Item\Type |
95% Industrial Grade |
99.5% Grade |
|
Appearance |
Transparent |
Transparent |
|
Hazen/Chroma ≤ |
60 |
30 |
|
Purity ≥ % |
95 |
99.5 |
|
Density at 20°C ( ≥ g/ml) |
1.2500 |
1.2565 |
|
Chloride Assay (as Cl,≤ %) |
0.05 |
0.03 |
|
Sulfates ( ≤%) |
0.05 |
0.03 |
|
Moisture (≤%) |
0.6 |
0.35 |
|
Residue on ignition( ≤%) |
0.05 |
0.04 |
|
Heavy metals Assay(as Pb, ≤mg/kg) |
0.0005 |
0.0005 |
|
Arsenic (as As, ≤mg/kg) |
0.00025 |
0.00025 |
|
Fatty acid & ester (0.5mol/1 NaOH,≤%) |
0.85 |
0.35 |
|
Melting Point |
17.8 °C, 64 °F |
Boiling Point |
290 °C, 554 °F |
Flash point: |
160 °C (320 °F) |
Refractive index (nD) |
1.4746 |
Appication:
(1) In foods and beverages, glycerol serves as a humectant, solvent and sweetener, and may help preserve foods. It is also used as filler in commercially prepared low-fat foods, and as athickening agent in liqueurs.
(2) Glycerol is used in process and extraction of alkyd, crylic acid resin, vinyl resin, tobacco industry.
(3) It is also used as antifreeze, plasticizer, and in the manufacture of dynamite, cosmetics, liquid soaps, inks, and lubricant.
(4) Glycerol is used in medical and pharmaceutical and personal care preparations, mainly as a means of improving smoothness, providing lubrication and as a humectant.
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