Description
Overview
Vegetable glycerin (glycerol) is a triol compound derived from plant triglycerides. CAS No: 56-81-5. Formula: C3H8O3. Form: Clear, viscous liquid. Purity: 99.5% by titration. Molar mass: 92.09 g/mol. Density: 1.26 g/mL at 20°C. Boiling point: 290°C. Hygroscopic. Supplied in 1L HDPE bottle with tamper seal. Free of animal products, ethanol, or preservatives. Meets USP and Ph. Eur. standards.
Applications
Used as humectant in formulation base studies. Applied in cryoprotectant solution development. Employed as solvent for water-insoluble compounds. Suitable for viscosity modifier testing. Utilized in e-liquid base research. Supports polymer plasticization experiments. Used in pharmaceutical coating formulations. Ideal for calibration in refractometry and density meters.
Specifications
Appearance: Colorless, syrupy liquid. Odor: Slight, sweet. Solubility: Miscible with water and ethanol. Residue on ignition: ≤0.1%. Chloride content: ≤3 ppm. Sulfate: ≤5 ppm. Heavy metals: ≤10 ppm. Storage: Keep tightly closed, protect from moisture. Shelf life: 36 months. Compatible with glass, HDPE, PP. Stable under normal conditions.
Safety
GHS00: Not classified. H302: Harmful if swallowed in large quantities. P264: Wash skin after handling. P301+P312: Seek medical help if ingested. Low toxicity. Use standard lab precautions. Wear gloves and eye protection when handling large volumes.
FAQ
Can it be used in pharmaceutical research?
Yes. USP-grade purity supports drug formulation studies.
Is it hygroscopic?
Yes. Absorbs moisture from air; keep container sealed.
What is the best storage method?
Store in dry place, in tightly closed container, away from contaminants.
Can it be sterilized by autoclaving?
Yes. Stable at 121°C for 15–20 minutes in sealed vials.
Is it compatible with ethanol?
Yes. Fully miscible; commonly used in solvent blends.
References
PubChem – Glycerol | Wikipedia – Glycerol | ECHA | SDS available via HarutyunyanEN support.
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