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VWR n-Heptane ≥99%, HiPerSolv CHROMANORM® for HPLC
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Filtered through a 0.2 µm filter, packaged under nitrogen
Specifications:
| Application | HPLC, Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | VWR | ||
| Product Grade | HPLC Grade | Formula | H₃C(CH₂)₅CH₃ |
VWR® n-Heptane (≥99%), supplied under the HiPerSolv CHROMANORM® brand, is a high-purity solvent specifically purified for high-performance liquid chromatography (HPLC) applications. Filtered through a 0.2 µm filter and packaged under nitrogen, this solvent offers excellent stability, low residue, and UV transparency, making it ideal for gradient HPLC and spectrophotometric applications.
n-Heptane is a non-polar hydrocarbon solvent widely used in chromatography, organic synthesis, and environmental analysis. Its defined impurity profile and spectral transparency ensure minimal baseline noise and high reproducibility in sensitive analytical workflows.
Key Features
- High Purity: ≥99% assay (anhydrous basis).
- Chromatography Grade: HiPerSolv CHROMANORM® for HPLC applications.
- Low Residue: Evaporation residue ≤10 ppm; water ≤100 ppm.
- Spectral Quality: Excellent transmittance and low absorbance in UV range.
- Filtered & Protected: 0.2 µm filtration and nitrogen packaging.
- Versatile Use: Solvent for chromatography, organic synthesis, and extraction.
Applications
- High-Performance Liquid Chromatography (HPLC): Non-polar solvent for gradient elution.
- Spectroscopy: UV-transparent solvent for spectrophotometric analysis.
- Organic Synthesis: Solvent in hydrocarbon-based reactions and separations.
- Sample Preparation: Extraction and purification of non-polar compounds.
- Environmental & Industrial Analysis: Reference solvent in testing protocols.
Specifications
| Property | Details |
|---|---|
| Purity (Assay) | ≥99% |
| CAS Number | 142-82-5 |
| Molecular Formula | C₇H₁₆ |
| Molecular Weight | 100.20 g/mol |
| Appearance | Clear, colorless liquid |
| Boiling Point | 98.4 °C |
| Melting Point | –90.6 °C |
| Flash Point | –4 °C |
| Density (20 °C) | 0.6838 g/cm³ |
| Acidity | ≤0.0005 meq/g |
| Alkalinity | ≤0.0002 meq/g |
| Evaporation Residue | ≤10 ppm |
| Water Content | ≤100 ppm |
| Absorbance (210 nm) | ≤0.3 |
| Absorbance (220 nm) | ≤0.1 |
| Absorbance (245 nm) | ≤0.01 |
| Transmittance (210 nm) | ≥50% |
| Transmittance (220 nm) | ≥80% |
| Transmittance (245 nm) | ≥98% |
| Packaging | Glass bottles, nitrogen sealed |
| Storage Temperature | Ambient |
| ADR Classification | UN 1206, Class 3 (Flammable liquid), PG II |
| Hazard Classification | Flammable, Irritant, Health hazard, Environmental hazard |
Packaging & Ordering Information
| Catalog Number | Description | Pack Size | Container |
|---|---|---|---|
| 24539.290 | VWR® n-Heptane ≥99%, HiPerSolv CHROMANORM® for HPLC | 1 L | Glass bottle |
| 24539.320 | VWR® n-Heptane ≥99%, HiPerSolv CHROMANORM® for HPLC | 2.5 L | Glass bottle |
Safety Information
- Hazard Classifications: Flammable, Irritant, Harmful to health, Environmental hazard.
- Flash Point: –4 °C.
- Precautions: Store away from heat/ignition sources. Handle under well-ventilated conditions. Use protective gloves, goggles, and lab coat.
VWR® n-Heptane ≥99%, HiPerSolv CHROMANORM® for HPLC is a high-purity, chromatography-grade hydrocarbon solvent designed for gradient HPLC, UV detection, and organic synthesis. Its excellent purity, low UV absorbance, and controlled impurity profile make it an essential reagent for analytical, industrial, and research laboratories.
- Pack Size: Glass bottle, 1L Glass bottle, 2.5L