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VWR Benzene ≥99.7%, AnalaR NORMAPUR® analytical reagent
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Specifications:
| Application | Organic Synthesis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | C₆H₆ |
VWR Benzene, AnalaR NORMAPUR® ACS grade, is a high-purity organic solvent (≥99.5% by gas chromatography) suitable for analytical, research, and industrial applications requiring a volatile, aromatic hydrocarbon with ultra-low contaminant levels. Carefully tested for sulfur compounds, trace metals, and residual acidity/alkalinity, this benzene meets ACS specifications and is ideal for spectroscopic and chromatographic use.
Key Features
- Ultra-High Purity (≥99.5%): Verified by gas chromatography (GC); ideal for trace-level analysis and organic synthesis
- ACS Analytical Grade: Compliant with stringent purity requirements for high-end analytical work
- IR Identity Test: Passes infrared confirmation for structural consistency
- Low Impurity Profile: Trace metal and sulfur content tightly controlled for clean reactions and minimal interference
- AnalaR NORMAPUR® Quality: VWR's trusted line of premium analytical reagents
Chemical and Physical Properties
| Property | Value |
|---|---|
| Chemical Name | Benzene |
| CAS Number | 71-43-2 |
| Molecular Formula | C₆H₆ |
| Molecular Weight | 78.11 g/mol |
| Boiling Point | 80.1 °C (at 1013 hPa) |
| Melting Point | 5.5 °C |
| Density | 0.878 g/cm³ (20 °C) |
| Refractive Index (n²⁰ᴰ) | 1.499 – 1.502 |
| Flash Point | –11 °C (closed cup) |
| Storage Temperature | Ambient |
| EINECS Number | 200-753-7 |
| MDL Number | MFCD00003009 |
| Merck Index | 13,01066 |
| UN Number | UN1114 |
| ADR Classification | Class 3, Packing Group II |
Specification Test Results
| Parameter | Limit |
|---|---|
| Purity (by GC) | ≥99.5% |
| Water Content | ≤0.05% |
| Residue on Evaporation | ≤0.001% |
| Acidity / Alkalinity | ≤0.0001 meq/g |
| Color (APHA) | ≤10 |
| Sulphur Compounds (S) | ≤0.005% |
| Thiophene (C₄H₄S) | Passes test |
| Substances Darkened by H₂SO₄ | Passes test |
| Copper (Cu) | ≤0.00002% |
| Iron (Fe) | ≤0.00005% |
| Lead (Pb) | ≤0.00002% |
Safety & Handling
| Hazard Classification | Details |
|---|---|
| GHS Pictograms | Flammable |
| Harmful | |
| Health hazard | |
| Hazard Statements | H225: Highly flammable liquid and vapor |
| H304: May be fatal if swallowed and enters airways | |
| H350: May cause cancer | |
| H373: May cause damage to organs through prolonged or repeated exposure | |
| Precautions | Handle in fume hood, wear appropriate PPE, store away from ignition sources |
Applications
- Analytical Chemistry: Solvent in spectroscopy, GC, and photometric assays
- Organic Synthesis: Aromatic hydrocarbon base for reaction media
- Environmental Testing: Standard for hydrocarbon contamination analysis
- Polymer & Petrochemical Industry: Used in manufacturing processes involving resins and rubber
- Industrial Solvent Applications: Degreasing, coatings, and specialty blending
VWR Benzene ≥99.5%, AnalaR NORMAPUR® ACS is a high-purity aromatic solvent designed for precision in analytical, synthetic, and industrial workflows. Its controlled composition and compliance with ACS specifications ensure excellent performance in trace-level detection and organic reactivity, backed by VWR's commitment to reagent integrity.