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VWR Potassium hexacyanoferrate (III) ≥99.0%, AnalaR NORMAPUR® analytical reagent
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CAS Number :
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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 | K₃Fe(CN)₆ |
VWR® Potassium Hexacyanoferrate(III) (≥99.0%), also known as potassium ferricyanide, is a high-purity crystalline salt supplied under the AnalaR NORMAPUR® analytical reagent grade. With a minimum assay of 99% and strict impurity control, it is widely used in analytical chemistry, redox titrations, coordination chemistry, and as a photographic and dye intermediate.
Potassium ferricyanide is an essential reagent in redox reactions, acting as a mild oxidizing agent and as a complexing ligand for transition metal ions. Its reproducible purity ensures suitability for both research and regulated laboratory use.
Key Features
- High Purity: ≥99.0% assay (AnalaR NORMAPUR® quality).
- Strict Impurity Limits: Fe(CN)₆²⁻ ≤0.05%, chloride ≤100 ppm, sulfate ≤50 ppm, lead ≤20 ppm.
- Analytical Grade: Suitable for high-precision laboratory applications.
- Oxidizing Reagent: Mild oxidizer for analytical and synthetic chemistry.
- Versatile: Applicable in redox titrations, complexation studies, and dye intermediates.
Applications
- Analytical Chemistry: Redox titrations, standard oxidizing agent.
- Coordination Chemistry: Ligand in transition metal complexes.
- Laboratory Reagent: Used in electrochemistry and photochemistry.
- Pigments & Dyes: Intermediate in dye and photographic industries.
- Research: Redox studies and ferro/ferri-cyanide chemistry.
Specifications
| Property | Details |
|---|---|
| Assay (Purity) | ≥99.0% |
| CAS Number | 13746-66-2 |
| Molecular Formula | K₃Fe(CN)₆ |
| Molecular Weight | 329.25 g/mol |
| Appearance | Bright red crystalline solid |
| Density (20 °C) | 1.85 g/cm³ |
| Hexacyanoferrate(II) impurity | ≤0.05% |
| Insolubility in Water | ≤50 ppm |
| Chloride (Cl⁻) | ≤100 ppm |
| Sulphate (SO₄²⁻) | ≤50 ppm |
| Lead (Pb) | ≤20 ppm |
| Storage Temperature | Ambient |
| Merck Index | 13,07712 |
Packaging & Ordering Information
| Catalog Number | Description | Pack Size | Container |
|---|---|---|---|
| 26810.232 | VWR® Potassium Hexacyanoferrate(III) ≥99.0%, AnalaR NORMAPUR® | 250 g | Plastic bottle |
| 26810.298 | VWR® Potassium Hexacyanoferrate(III) ≥99.0%, AnalaR NORMAPUR® | 1 kg | Plastic bottle |
Safety Information
- Hazard Classification: Environmental hazard, irritant.
- Precautions: Avoid contact with acids (may release toxic hydrogen cyanide gas). Handle with gloves, goggles, and lab coat. Store tightly sealed, away from incompatible materials.
VWR® Potassium Hexacyanoferrate(III) ≥99.0%, AnalaR NORMAPUR® is a high-quality analytical reagent used as a mild oxidizing agent, redox titration standard, and transition metal complex ligand. Its ≥99% purity and stringent impurity limits make it a reliable choice for analytical, industrial, and research applications.
- Pack Size: 250g 1kg