Formula: | C₃H₈O₃ |
CAS Number: | 56-81-5 |
EC Number (EINECS): | 200-289-5 |
HS Code: | 29054500 |
UN Number: | Not classified as hazardous for transport |
IUPAC Name: | Propane-1,2,3-triol |
Also Known As: | Glycerol; 1,2,3-Propanetriol |
Molecular Weight, g/mol: | 92.09 |
Appearance: | Clear, colorless, viscous liquid |
Odor: | Odorless, slightly sweet taste |
Melting Point, °C: | 17.8 |
Boiling Point, °C: | 290 (decomposes) |
Density, g/cm³ (at 20°C): | 1.26 |
Flash Point, °C: | 177 (closed cup) |
Refractive Index (20°C): | 1.473 |
Solubility: | Miscible with water and alcohol |
Purity, %: | ≥99.5 (USP / Pharma Grade) |
Grades Available: | Crude, Refined, USP/Pharma, Food Grade, Industrial |
Packaging: | 250kg drums, 1200kg IBCs, bulk ISO tanks |
Primary Applications
Humectant and moisturizer in cosmetics and personal care products
Sweetener, humectant, and solvent in food & beverages
Pharmaceutical excipient in syrups, ointments, and capsules
Secondary Applications
Used in tobacco, e-liquids, and flavorings
Raw material for alkyd resins and polyols
Ingredient in explosives (nitroglycerin manufacturing)
End Industries Served: Food & Beverages, Pharmaceuticals, Cosmetics & Personal Care, Tobacco, Chemicals, Polymers, Explosives
Hazard Class (GHS): Not classified as hazardous; generally regarded as safe (GRAS)
Hazard Statements (H-Codes):
H319: May cause eye irritation
H335: May cause respiratory irritation (mist)
Precautionary Statements (P-Codes):
P280: Wear protective gloves/eye protection
P261: Avoid breathing mist/vapors
P305 + P351 + P338: IF IN EYES – rinse cautiously with water
Storage Conditions
Store in cool, dry, well-ventilated place
Protect from moisture and microbial contamination
Keep container tightly closed
Transport Information
ADR/RID: Not classified as dangerous goods
IMDG: Not classified as dangerous goods
IATA: Not classified as dangerous goods