VWR Disodium hydrogen phosphate ≥99%, GPR RECTAPUR®
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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 | Na₂HPO₄ |
VWR Disodium Hydrogen Phosphate (Na₂HPO₄) is a high-purity general-purpose reagent (GPR RECTAPUR®) widely used in buffer preparation, analytical chemistry, water quality control, and as a pH stabilizer in both industrial and academic laboratories. This anhydrous form provides excellent stability, ease of handling, and long shelf life.
Key Features
- ≥99% Assay – Suitable for high-accuracy general lab applications
- Stable and Free-Flowing – Easily weighed, non-hygroscopic solid
- GPR RECTAPUR® Grade – Trusted for routine lab work and buffer prep
- Good Solubility in Water – Ideal for forming phosphate buffer systems
- Consistent Quality – Reliable performance in analytical and industrial settings
Specifications
Property | Value |
---|---|
Product Name | Disodium Hydrogen Phosphate |
CAS Number | 7558-79-4 |
Chemical Formula | Na₂HPO₄ |
Molar Mass | 141.96 g/mol |
Melting Point | 250 °C |
Density (20 °C) | 1.53 g/cm³ |
Purity | ≥99% |
Grade | GPR RECTAPUR® |
Storage | Ambient |
Applications
- Phosphate Buffer Preparation – Used in biochemical, analytical, and molecular biology settings
- Water & Wastewater Analysis – Supports calibration and buffering needs
- Food & Beverage Testing – As a processing aid in regulatory and QA labs
- General Chemistry Education – Widely used in academic teaching labs
- Titration and Chemical Reactions – Acts as a weak base in acid-base reactions
Ordering Information
Catalog Number | Pack Size | Packaging Type |
---|---|---|
28026.260 | 500 g | Plastic bottle (solids) |
28026.292 | 1 kg | Plastic bottle (solids) |
28026.361 | 5 kg | Plastic bottle (solids) |
VWR® Disodium Hydrogen Phosphate, ≥99%, provides excellent purity and performance for routine laboratory procedures, buffer systems, and industrial testing. Its GPR RECTAPUR® grade ensures reliability across general laboratory workflows.
- Pack Size: 1kg 500g 5kg