CAS Number:56‑81‑5
Synonyms:Glycerin; Glycerol; 1,2,3‑Propanetriol; Propanetriol
Chemical Formula:C₃H₈O₃
Product Introduction
Glycerin is a colorless, odorless, sweet-tasting, viscous liquid. Highly hygroscopic and miscible with water and alcohols, it’s widely used across industries—from food and pharma to cosmetics, personal care, and polymers.
| Property | Value |
|---|---|
| Appearance | Colorless, viscous liquid; solidifies below ~17–18 °C |
| Odor | Odorless; sweet taste |
| Molecular Weight | 92.09 g/mol |
| Density @ 20 °C | ~1.261 g/cm³ |
| Melting Point | ~17.8 °C |
| Boiling Point | 290 °C (decomposes) |
| Vapor Pressure @ 20 °C | < 1 mm Hg |
| Refractive Index (n₂₀ᴅ) | ~1.474 |
| Solubility | Miscible with water, alcohols; partial in ether/EtOAc |
| Vapor Density | ~3.1 × air |