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VWR D-(-)-Sorbitol 97.0-100.5%, GPR RECTAPUR®
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Specifications:
| Application | Microbiology, Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | HOH₂C(CH(OH))₄CH₂OH |
VWR D-(-)-Sorbitol is a high-purity polyhydric alcohol (hexitol) suitable for analytical chemistry, food testing, pharmaceutical preparation, and biochemical applications. With an assay of 97.0–100.5% (on anhydrous basis), it meets GPR RECTAPUR® specifications for consistent quality and low impurity levels. This crystalline solid is commonly used as a stabilizer, humectant, or carbohydrate control reagent in laboratory workflows.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Chemical Name | D-(-)-Sorbitol |
| Molecular Formula | HOCH₂(CHOH)₄CH₂OH |
| Molecular Weight | 182.17 g/mol |
| Appearance | White crystalline solid |
| Melting Point | 94–98 °C |
| Boiling Point | 295 °C (1013 hPa) |
| Density (20 °C) | 1.524 g/cm³ |
| Flash Point | >100 °C |
| Storage Temperature | Ambient |
| Merck Index | 13,08797 |
Analytical Specifications
| Parameter | Specification |
|---|---|
| Assay (anhydrous basis) | 97.0 – 100.5% |
| Appearance of solution (10% in water) | Passes test |
| Specific optical rotation (10%, borate) | 4.0 – 7.0° |
| Reducing sugars (as C₆H₁₂O₆) | ≤ 0.2% |
| Ignition residue (as SO₄) | ≤ 0.1% |
| Water content | ≤ 1.5% |
| Chloride (Cl⁻) | ≤ 50 ppm |
| Sulphate (SO₄²⁻) | ≤ 100 ppm |
| Nickel (Ni) | ≤ 1 ppm |
| Lead (Pb) | ≤ 0.5 ppm |
Packaging Options
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 302424A | Plastic bottle (solids) | 500 g |
| 302425B | Plastic bottle (solids) | 2.5 kg |
| 302426C | Plastic container | 10 kg |
Applications
- Reagent in carbohydrate chemistry
- Cryoprotectant and humectant in biochemistry
- Sugar substitute testing in food analysis
- Raw material in pharmaceutical synthesis
- Sample stabilization in environmental and clinical analysis
VWR® D-(-)-Sorbitol, GPR RECTAPUR® grade, offers reliable performance for analytical, industrial, and biochemical use where high purity and low impurity levels are essential. Its defined physical properties and certified quality make it suitable for use in research laboratories and regulated industries.
- Pack Size: 500g 2.5 Kg 10kg