Glycerin USP/K
| 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 |
Typical Specifications
| Appearance: | Clear, colorless, viscous liquid |
| Odor: | Odorless, slightly sweet taste |
| Melting Point, °C: | 17.8 |
| Boiling Point, °C: | 290 (with decomposition) |
| Density, g/cm³ (at 20°C): | 1.26 |
| Flash Point, °C: | 199 (closed cup) |
| Refractive Index (20°C): | 1.473 |
| Solubility: | Miscible with water and alcohol |
| Purity, %: | ≥99.5 (USP/K grade) |
| Grades Available: | USP, KP (Pharma grade), Technical, Food |
| Packaging: | 250kg drums, 1200kg IBC, bulk ISO tanks |
Applications / Uses
Primary Applications
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Widely used as a humectant and solvent in pharmaceuticals and personal care products
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Sweetening agent and moisture-retainer in food and beverages
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Base material for cough syrups, capsules, and medical formulations
Secondary Applications
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Raw material for alkyd resins and polyurethanes
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Used in production of explosives (nitroglycerin)
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Ingredient in e-liquids for vaping and tobacco substitutes
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Component in lubricants, coatings, and adhesives
End Industries Served: Pharmaceuticals, Cosmetics & Personal Care, Food & Beverages, Tobacco, Chemicals, Polymers, Industrial Applications
Safety & Handling Information
Hazard Class (GHS): Generally recognized as safe (GRAS); not classified as hazardous
Hazard Statements (H-Codes):
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H319: May cause mild eye irritation
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H335: May cause respiratory irritation (aerosol/mist)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection if handling bulk quantities
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P261: Avoid inhaling mists or vapors
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in tightly closed containers
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Keep in a cool, dry, well-ventilated place
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Hygroscopic: protect from moisture and contaminants
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods