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Vwr® Disodium Hydrogen Phosphate Dodecahydrate ≥99.0%, Analar Normapur® Analytical Reagent, 500G
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CAS Number :
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Specifications:
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | Na₂HPO₄·12H₂O |
Specifications:
| Feature | Test Results |
|---|---|
| Assay (calculated on anhydrous) | Minimum 99.0% |
| pH (20°C; 5%) | 9.0 - 9.4 |
| Heavy metals (as Pb) | Maximum 5 ppm |
| Insolubility in water | Maximum 0.2% |
| Loss on drying (120°C) | 50.0 - 60.5% |
| Total Nitrogen (N) | Maximum 10 ppm |
| Chloride (Cl) | Maximum 5 ppm |
| Sulfate (SO4) | Maximum 50 ppm |
| Arsenic (As) | Maximum 0.5 ppm |
| Copper (Cu) | Maximum 2 ppm |
| Iron (Fe) | Maximum 5 ppm |
| Potassium (K) | Maximum 100 ppm |
| Lead (Pb) | Maximum 5 ppm |
| Zinc (Zn) | Maximum 1 ppm |
Description:
Disodium Hydrogen Phosphate Dodecahydrate (Na₂HPO₄·12H₂O) is a high-purity, crystalline compound used in a variety of analytical, biochemical, and pharmaceutical applications. It is an important reagent for preparing buffer solutions, particularly in the preparation of phosphate buffers with a stable alkaline pH. This AnalaR NORMAPUR® zA grade product is known for its high purity and reliability, making it ideal for precise laboratory work and consistent results.
As a buffering agent, disodium hydrogen phosphate is crucial in maintaining pH stability during biochemical assays, protein purification, and enzyme reactions. It is also used in titrations, cell culture media, and analytical chemistry for ion exchange processes and pH regulation in various laboratory and industrial applications.
Key Features:
- High Purity: With an assay of 99.0% (calculated on anhydrous basis), this product ensures consistent performance in sensitive laboratory applications.
- Versatile Buffer: Ideal for preparing phosphate buffers for a wide range of biochemical and molecular biology applications, including enzyme assays, nucleic acid isolation, and protein purification.
- Stable and Reliable: The dodecahydrate form of disodium hydrogen phosphate ensures stability in storage and is easy to handle for laboratory protocols.
- Compliance: This product meets ACS, Reag. Ph.Eur., and GPR RECTAPUR® standards, guaranteeing it is suitable for high-precision applications.
Applications:
- Phosphate Buffering: Used extensively in biochemistry and molecular biology for preparing phosphate buffers, which are essential for maintaining the pH in a range of biochemical reactions, including protein purification, enzyme activity studies, and DNA/RNA manipulation.
- pH Regulation: Commonly used in experiments and reactions that require a stable alkaline pH. It ensures the pH stability of various reactions in biotechnology, pharmaceutical, and clinical labs.
- Titration and Analytical Chemistry: Used as a buffer solution in titration experiments, especially in procedures requiring precise pH control and accurate chemical analysis.
- Cell Culture Media: Used to prepare buffers for maintaining pH stability in cell culture media, particularly in biological research and drug discovery.
Storage:
- Store at ambient temperature in a dry, cool place, away from moisture to preserve its stability. Proper storage ensures long shelf life and reliable performance in laboratory applications.
Disodium Hydrogen Phosphate Dodecahydrate 99.0%, AnalaR NORMAPUR® zA is a high-purity, versatile chemical ideal for use in buffer solutions, biochemical assays, and analytical chemistry applications. Its exceptional purity and reliable performance make it essential for researchers who require precision and consistency in their experiments. Suitable for a wide range of laboratory processes, this reagent is an essential component for pH regulation, protein assays, and molecular biology workflows.
- Pack Size: 1kg 500g 5kg