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VWR Potassium nitrate ≥99.0%, AnalaR NORMAPUR® analytical reagent
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Specifications:
| Application | Organic Synthesis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | KNO₃ |
VWR Potassium Nitrate (KNO₃), ≥99.0%, is a high-purity, white crystalline solid manufactured to AnalaR NORMAPUR® analytical standards. Known for its strong oxidizing properties, it is widely used in analytical chemistry, environmental testing, food analysis, and high-precision industrial processes. This product offers excellent solubility, low impurity profile, and consistent performance in regulated laboratory environments.
Key Features and Benefits
- Assay ≥99.0% ensures analytical reliability and batch-to-batch consistency
- Manufactured to AnalaR NORMAPUR® specifications with stringent impurity limits
- Suitable for volumetric analysis, buffer preparation, and nitrate standardization
- Excellent thermal stability and solubility in water
- Low levels of heavy metals, nitrite, chloride, and other ionic contaminants
Applications
- Analytical and environmental testing (e.g., nitrate standard)
- Buffer and nutrient media preparation
- Reagent in food quality control and safety analysis
- Laboratory use in oxidation-reduction and ionic strength control
- Reference standard in spectroscopy, titration, and wet chemistry
Technical Specifications
| Property | Specification |
|---|---|
| Assay | ≥ 99.0% |
| pH (5% solution at 20 °C) | 5.0 – 7.5 |
| Heavy Metals (as Pb) | ≤ 5 ppm |
| Lead (Pb) | ≤ 1 ppm |
| Chloride (Cl⁻) | ≤ 10 ppm |
| Iodate (IO₃⁻) | ≤ 5 ppm |
| Ammonium (NH₄⁺) | ≤ 10 ppm |
| Nitrite (NO₂⁻) | ≤ 10 ppm |
| Phosphate (PO₄³⁻) | ≤ 5 ppm |
| Sulphate (SO₄²⁻) | ≤ 30 ppm |
| Calcium (Ca²⁺) | ≤ 10 ppm |
| Copper (Cu) | ≤ 1 ppm |
| Iron (Fe) | ≤ 3 ppm |
| Magnesium (Mg²⁺) | ≤ 15 ppm |
| Sodium (Na⁺) | ≤ 0.02% |
| Melting Point | 334 °C |
| Density (20 °C) | 2.109 g/cm³ |
| Merck Index | 13,07733 |
| EINECS Number | 231-818-8 |
| UN Number | 1486 |
| ADR Classification | Class 5.1 (Oxidizer), Packing Group III |
| GHS Classification | GHS03 (Oxidizing agent) |
| Storage Conditions | Ambient |
| REACH Registration | 01-2119488224-35 |
Packaging Information
| Catalog Number | Pack Type | Quantity |
|---|---|---|
| 26869.234 | Plastic bottle for solids | 250 g |
| 26869.260 | Plastic bottle for solids | 500 g |
| 26869.291 | Plastic bottle for solids | 1 kg |
VWR Potassium Nitrate ≥99.0%, AnalaR NORMAPUR® grade, is a dependable reagent for analytical, environmental, and quality control laboratories. With precise purity and minimal trace contaminants, it is an essential oxidizing salt for quantitative methods and sensitive detection workflows.
- Pack Size: 250g 1kg 500g