Glycerol
Glycerol (CAS 56-81-5), molecular formula HOCH2CH(OH)CH2OH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 1,2,3-Propanetriol,Glycerin,Glycerol

| Molecular weight | 92.09 |
|---|---|
| Linear formula | HOCH2CH(OH)CH2OH |
| Assay | ≥99.5% (GC) |
| Grade | SAJ first grade |
| Boiling point | 182 °C/20 mmHg(lit.) |
| Density | 1.25 g/mL(lit.) |
| Refractive index | n20/D 1.474(lit.) |
| Melting point | 20 °C(lit.) |
| Solubility | H2O: soluble5 M at 20 °C, clear, colorless |
| pH | 5.5-8 (25 °C, 5 M in H2O) |
| Vapour pressure | <1 mmHg (20 °C) |
| Vapour density | 3.1 (vs air) |
| Autoignition temp | 698 °F |
| Impurities tested | insoluble matter, passes filter test≤0.1% water |
| Application | Glycerol is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis. Glycerol (5-10%) increases the density of a sample so that the sample will layer at the bottom of a gel’s sample well. Glycerol is also used to aid in casting gradient gels and as a protein stabilizer and storage buffer component. |
| Suitability | meets USP testing specifications |
| Anion traces | chloride (Cl-): ≤1 mg/kgsulfate (SO42-): ≤10 mg/kg |
|---|---|
| Ignition residue | ≤0.1% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|---|
| Uv Absorption | λ: 260 nm Amax: 0.05λ: 280 nm Amax: 0.04 |
| Sweetness | 0.6 × sucrose |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Glycerol?
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Glycerol (CAS 56-81-5), molecular formula HOCH2CH(OH)CH2OH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.
What grades of Glycerol does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Glycerol in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Glycerol?
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Glycerol has CAS number 56-81-5 and molecular formula HOCH2CH(OH)CH2OH. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Glycerol?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Glycerol ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Glycerol be stored?
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Store Glycerol in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Glycerol used for?
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Glycerol is used in biochemicals & reagents applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Glycerol?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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