Glycerin
Glycerol
- CAS
- 56-81-5
- EC
- 200-289-5
- Food Code
- E422
- Sectors
- Personal Care & Cosmetics, Food & Nutrition, Pharma & Healthcare
Glycerin (CAS 56-81-5) is a colorless, viscous and hygroscopic alcohol of the Alcohols & Glycols group, appearing as an odorless, syrupy liquid and produced by saponification or biodiesel transesterification, with uses as a cosmetic moisturizer, food sweetener and pharmaceutical solvent.
Typical Properties
| Molecular formula | C3H8O3 |
|---|---|
| Molecular weight | 92.09 g/mol |
| Appearance | Glycerol is a viscous colorless or pale yellow, odorless, syrupy liquid. |
| Form | Viscous Liquid |
| Color | APHA: ≤10 |
| Odor | Odorless. |
| Melting point | 20 °C |
| Boiling point | 290 °C |
| Density | 1.2613 g/cm³ @ Temp: 20 °C |
| Water solubility | >500 g/L (20 °C) |
| Flash point | 320 °F |
| pH | 5.5-8 (25°C, 5M in H2O) |
| HS code | 29054500 |
| Grades available | Cosmetic Grade, Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Glycerin
Applications
Used as a moisturizer in cosmetics, a sweetener in foods, and a solvent in pharmaceuticals. Industrially, it acts as a lubricant, antifreeze, and plasticizer.
Safety & Risks
Non-toxic and stable; may irritate eyes in concentrated form. Avoid overheating to prevent acrolein formation.
Packaging
Delivered in 250 kg drums or IBC tanks. Store in cool, dry, ventilated conditions.