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VWR Ethanol absolute ≥99.8%, HiPerSolv CHROMANORM®, gradient grade for HPLC
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Filtered through a 0.2 µm filter, packaged under nitrogen
Specifications:
| Application | chromatography | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | VWR | ||
| Product Grade | HPLC Grade | Formula | C₂H₅OH |
VWR® Ethanol Absolute (≥99.8%) supplied under the HiPerSolv CHROMANORM® brand is a gradient grade solvent specifically purified for HPLC applications. With ultra-high purity and controlled spectral properties, this ethanol is suitable for gradient elution, UV detection, and trace analysis in liquid chromatography.
The solvent is filtered through a 0.2 μm filter and packaged under nitrogen, ensuring maximum stability and reproducibility. With extremely low acidity, alkalinity, and evaporation residue, this ethanol guarantees high signal-to-noise ratios, minimal baseline drift, and reliable separation performance.
Key Features
- High Purity: ≥99.8% assay on anhydrous basis.
- HPLC Gradient Grade: Meets the stringent requirements for gradient elution and UV detection.
- Spectral Quality: Controlled absorbance and transmittance values across UV range.
- Low Residues: Evaporation residue ≤10 ppm.
- Filtered & Stabilized: 0.2 μm filtration and nitrogen packaging to maintain integrity.
- Versatile Solvent: Suitable for chromatography, molecular biology, and analytical applications.
Applications
- High-Performance Liquid Chromatography (HPLC): Gradient elution and UV detection.
- Analytical Chemistry: High-purity solvent for trace analysis.
- Sample Preparation: Suitable for spectroscopy, extraction, and purification.
- General Laboratory Use: Solvent in molecular biology and organic synthesis.
Specifications
| Property | Details |
|---|---|
| Assay (anhydrous basis) | ≥99.8% |
| CAS Number | 64-17-5 |
| Molecular Formula | C₂H₆O |
| Molecular Weight | 46.07 g/mol |
| Appearance | Clear, colorless liquid |
| Boiling Point | 78.3 °C |
| Melting Point | –117 °C |
| Flash Point (closed cup) | 12 °C |
| Density (20 °C) | 0.7895 g/cm³ |
| Acidity | ≤0.0001 meq/g |
| Alkalinity | ≤0.0003 meq/g |
| Water Content | ≤0.2% |
| Evaporation Residue | ≤10 ppm |
| Absorbance (250 nm) | ≤0.05 |
| Absorbance (280 nm) | ≤0.01 |
| Transmittance (220 nm) | ≥50% |
| Transmittance (225 nm) | ≥60% |
| Transmittance (240 nm) | ≥85% |
| Transmittance (250 nm) | ≥90% |
| Transmittance (≥260 nm) | ≥98% |
| Transmittance (280 nm) | ≥98% |
| Gradient (254 nm) | ≤2 mAU |
| Packaging | Glass bottle, nitrogen sealed |
| Storage Temperature | Ambient |
| ADR Classification | UN 1170, Class 3 (Flammable liquid), PG II |
| Hazard Classification | Flammable, Irritant |
Packaging & Ordering Information
| Catalog Number | Description | Pack Size | Container |
|---|---|---|---|
| 153385E | VWR® Ethanol Absolute ≥99.8%, Gradient Grade for HPLC | 1 L | Glass bottle |
| 153386F | VWR® Ethanol Absolute ≥99.8%, Gradient Grade for HPLC | 2.5 L | Glass bottle |
Safety Information
- Hazard Classification: Flammable, Irritant
- Flash Point: 12 °C
- Precautions: Keep away from ignition sources. Use in a fume hood or well-ventilated area. Wear gloves, goggles, and lab coat when handling.
VWR® Ethanol Absolute ≥99.8%, HiPerSolv CHROMANORM® is a high-purity, gradient-grade solvent tailored for HPLC and analytical chemistry. With controlled UV absorbance, minimal impurities, and packaging under nitrogen, it ensures high reproducibility, low background noise, and excellent chromatographic performance.
- Pack Size: Glass bottle, 1L Glass bottle, 2.5L