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VWR Caffeine ≥99.0%, AnalaR NORMAPUR® analytical reagent, 100g
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | C₈H₁₀N₄O₂ |
VWR® Caffeine (≥99.0%, AnalaR NORMAPUR® analytical grade) is a high-purity analytical reagent suitable for laboratory applications requiring stringent quality and reproducibility. Supplied as a white crystalline powder, this caffeine meets AnalaR NORMAPUR® quality standards, ensuring compliance for use in regulated laboratory environments.
Its purity and specifications make it ideal for reference standard preparation, calibration, pharmaceutical and food analysis, and chemical research applications.
Key Features
- High Purity: ≥99.0% assay by analytical testing.
- Analytical Grade: Meets AnalaR NORMAPUR® quality standards.
- Stable & Reliable: Supplied as a crystalline solid with a well-defined melting range.
- Versatile Applications: Suitable for analytical chemistry, pharmaceutical, food science, and research laboratories.
- Convenient Packaging: Supplied in a 100 g plastic bottle designed for laboratory solids.
Applications
- Pharmaceutical Research: Reference standard and excipient analysis.
- Food and Beverage Testing: Analytical reference for caffeine quantification.
- Analytical Chemistry: HPLC, GC, or spectrophotometric calibration.
- Biological Studies: Used in pharmacological and metabolic pathway research.
- General Laboratory Use: High-purity chemical for experimental protocols.
Specifications
| Property | Details |
|---|---|
| CAS Number | 58-08-2 |
| Molecular Formula | C₈H₁₀N₄O₂ |
| Molecular Weight | 194.19 g/mol |
| Appearance | White crystalline powder |
| Purity (Assay) | ≥99.0% |
| Melting Point | 235 – 238 °C (spec) / 235 – 239 °C (lit.) |
| Acidity | Max. 0.005 meq/g |
| Heavy Metals (as Pb) | ≤10 ppm |
| Theobromine | ≤0.2% |
| Loss on Drying (100 °C) | ≤0.5% |
| Insolubility in Water (100 °C) | ≤25 ppm |
| Residue on Ignition (as SO₄) | ≤0.1% |
| Substances Colored by H₂SO₄ | ≤60 APHA |
| Chloride (Cl⁻) | ≤100 ppm |
| Sulphate (SO₄²⁻) | ≤0.02% |
| Density | 1.23 g/cm³ (19 °C) |
| Storage Temperature | Ambient |
| ADR/UN Classification | UN 1544, Class 6.1, Packing Group III |
| Merck Index | 13,01636 |
Packaging & Ordering Information
| Catalog Number | Description | Pack Size | Container Type |
|---|---|---|---|
| 22234.187 | VWR® Caffeine, ≥99.0%, AnalaR NORMAPUR® analytical reagent | 100 g | Plastic bottle |
VWR® Caffeine ≥99.0%, AnalaR NORMAPUR® is a high-purity analytical reagent suitable for pharmaceutical, food, and chemical analysis. With rigorous quality specifications and compliance with AnalaR NORMAPUR® standards, it ensures reliable, reproducible results for laboratories that demand the highest quality reagents.