Glycerine, or glycerol is a simple polyol compound. It is a sweet, colorless, odorless, nontoxic and viscous liquid. It can absorb moisture from air and also can absorb hydrogen sulfide, sulfur dioxide and hydrogen cyanide. It is insoluble in benzene, chloroform, carbon tetrachloride, carbon disulfide, petroleum ether and oil.
Specification:| Test Item | Unit | Pharma Grade | Food Grade | Tech. Grade | |
| Appearance | --- | Transparent liquid | Transparent liquid | Transparent liquid | |
| Assay | % | 99.0Min. | 99.0Min. | 95.0Min. | |
| Density(25°c) | g/ml | 1.257Min. | 1.249Min. | 1.251Min. | |
| Chloride(Cl) | ppm | 6.0Max. | 6.0Max. | --- | |
| Residue on Ignition | % | 0.01Max. | 0.01max. | --- | |
| Fat Acid&Easter | --- | Pass Test | Pass Test | Pas Test | |
| Heavy Metals | ppm | 2.0Max. | 2.0Max. | 5.0Max. | |
| Hazen | --- | 10Max. | 10Max. | 30Max. | |
1 In coating industry, as raw material for manufacturing nitroglycerin, alkyd resin, epoxy resin;
2 In textile and dyeing industry, glycerol is use to produce lubricant, moisture absorbent, anti-shrinkage fabric treatment agent, dispersing agent and penetrating agent;
3 In medicine, glycerol is used to make various preparations, solvent, hygroscopic agent, antifreeze and sweeteners, compounding topical ointment and suppository;
4 In food, it is used as sweetener and in tobacco, glycerol is used as moisture absorbent and solvents;
5 Glycerol is also widely used in paper-making, cosmetics, leather industry, photograph, printing, rubber, etc.
