Product information
Chemical Name Glycerol / Glycerin / 1,2,3-Propanetriol
CAS Number 56-81-5
Molecular Formula C₃H₈O₃
Molecular Weight 92.09 g/mol
INCI Name GlycerinEC Number 200-289-5
Grade Available Industrial grade, Food grade, USP / Ph.Eur. pharmaceutical grade
Hazard Classification Non-hazardous goods for transport under GHS
Chem-physical properties
Appearance Clear, colourless viscous liquidOdor Odorless
Density (20 °C) 1.26 g/cm³
Boiling Point 290 °CMelting / Freezing Point 20 °C
Refractive Index n20/D 1.474
Flash Point 160 °C
Solubility Fully miscible with water, ethanol; insoluble in oils & hydrocarbons
Hygroscopicity Strongly hygroscopic, absorbs moisture from airpH (50 % aq. solution) 5.5‑8.0
Quality specification
| Item | Industrial Grade | Food Grade | USP Grade (anhydrous basis)USP |
|---|---|---|---|
| Assay (Glycerol) | ≥99.5 % | ≥99.7 % | 99.0‑101.0 % |
| Color APHA/Hazen | ≤30 | ≤15 | ≤10 |
| Water content | ≤0.5 % | ≤0.3 % | ≤0.5 % |
| Residue on ignition | ≤0.05 % | ≤0.01 % | ≤0.01 % |
| Chloride | ≤10 ppm | ≤10 ppm | ≤10 ppm |
| Sulphate | ≤20 ppm | ≤20 ppm | ≤20 ppm |
| Heavy metals (Pb) | ≤5 ppm | ≤5 ppm | ≤5 ppm |
| Di‑ethylene glycol | ‑ | ≤0.1 % | ≤0.1 % |
Application & Use
Cosmetic & personal care: Humectant for creams, lotions, toothpaste, soap and skin‑care formulations
Pharmaceutical: Excipient, solvent, softener for ointments, suppositories, oral liquid preparations (USP grade)
Food industry: Sweetener, humectant, anti-freeze agent for food, beverage and confectionery productsIndustrial: Raw material for alkyd resin, epoxy resin, nitroglycerin; plasticizer, lubricant for textile, ink, paint, leather processing, antifreeze agent
Packing
250 kg iron / HDPE drum
1000 kg IBC tote tank
Small lab packages: 25 kg, 5 kg
Sealed HDPE container to prevent moisture absorption.
Transportation & Storage
- Transport: Non‑dangerous goods. Avoid direct sunlight, high temperature. Keep packages sealed during transit.
- Storage: Store in cool, dry, well-ventilated warehouse at 5-30 °C. Keep containers tightly closed to avoid absorbing atmospheric moisture. Separate from strong oxidizing agents.
- Shelf-life: 24 months under proper storage.
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