VWR Disodium hydrogen phosphate ≥99%, GPR RECTAPUR®
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Specifications:
Storage Temperature | Ambient | ||
Product Type | Laboratory Chemical | Forms | Powder |
Product Brand | VWR | ||
Product Grade | Analytical grade | Formula | Na₂HPO₄ |
Specifications:
Feature | Test Results |
---|---|
Assay | Minimum 99.0% |
pH (25°C; 5%) | 8.7 - 9.3 |
Heavy metals (as Pb) | Maximum 10 ppm |
Insolubility in water | Maximum 100 ppm |
Loss on drying (105°C) | Maximum 0.2% |
Chloride (Cl) | Maximum 20 ppm |
Sulfate (SO4) | Maximum 50 ppm |
Copper (Cu) | Maximum 3 ppm |
Iron (Fe) | Maximum 10 ppm |
Potassium (K) | Maximum 100 ppm |
Lead (Pb) | Maximum 10 ppm |
Conforms to ACS (American Chemical Society) | Passes test |
Conforms to Reag. Ph.Eur. (European Pharmacopoeia) | Passes test |
Disodium hydrogen phosphate, anhydrous (Na₂HPO₄), is a commonly used buffering agent and pH stabilizer in laboratory applications. Its primary use is in analytical chemistry, biochemical assays, and buffer solutions. This chemical is particularly useful for maintaining a stable pH in reactions, especially in phosphate buffers, making it essential for many biological and chemical applications. It is also employed in pharmaceutical formulations and industrial processes.
Key Features:
- High Purity: The product is of AnalaR NORMAPUR® quality, ensuring minimal contaminants and high-grade purity for sensitive applications.
- Buffering Capability: Ideal for creating buffer solutions with a stable pH between 8.7 and 9.3.
- Compliance with Standards: Conforms to ACS (American Chemical Society) and Reag. Ph.Eur. standards, ensuring it meets the highest laboratory and pharmaceutical requirements.
Applications:
- Biochemistry: Used in laboratory settings for preparation of phosphate buffers in enzyme assays, chromatography, and other applications requiring pH stabilization.
- Pharmaceutical Industry: Employed in the formulation of drugs where pH control is essential for stability and efficacy.
- Environmental Testing: Used in water testing and analysis to control pH and stabilize the sample environment.
- Chemical Synthesis: Used in reactions that require a consistent alkaline pH.
- Pack Size: 1kg 500g 5kg