Glycerol
Glycerol (CAS 56-81-5), also known as 1,2,3-Propanetriol, is a versatile aliphatic compound with a molecular weight of 92.09. This clear, colourless, and viscous liquid is known for its humectant and solvent properties. Tech Serve Solutions supplies Glycerol in SAJ first grade quality, suitable for various laboratory applications including sample preparation and protein stabilization.
- IUPAC
- 1,2,3-Propanetriol,Glycerin,Glycerol
- Synonyms
- 1,2,3-PropanetriolGlycerinGlycerol
Electrophoresis Sample Preparation
Glycerol, at concentrations of 5-10%, increases sample density, ensuring it layers effectively at the bottom of a gel's sample well during polyacrylamide gel electrophoresis.
Gradient Gel Formation
This compound aids in the casting of gradient gels, contributing to precise separation techniques in molecular biology.
Protein Stabilization and Storage
Glycerol serves as an effective stabilizer for proteins and is a common component in storage buffer formulations, helping to maintain protein integrity.
| 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
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 are the primary laboratory uses for Glycerol?
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Glycerol is primarily used in sample preparation for electrophoresis by increasing sample density and in the formation of gradient gels. It also functions as a protein stabilizer and a component in storage buffers.
What is the CAS number and chemical formula for Glycerol?
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The CAS number for Glycerol is 56-81-5, and its linear formula is HOCH₂CH(OH)CH₂OH.
What grade and purity does Tech Serve Solutions supply for Glycerol?
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Tech Serve Solutions supplies Glycerol in SAJ first grade, with an assay of ≥99.5% (GC).
How should Glycerol be handled safely?
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Glycerol has a high autoignition temperature of 698°F. While generally considered safe, standard laboratory practices should be followed, including appropriate personal protective equipment. Consult the Safety Data Sheet for detailed handling information.
Is Glycerol available for export from Japan?
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Glycerol is available only in Japan.
How can I request a quote or sample of Glycerol?
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Please contact our sales team directly via the website or phone to request a quote or sample of Glycerol.
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