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VWR Tetrasodium diphosphate decahydrate 99.0-103.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent
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Formula: Na₄P₂O₇·10H₂O
CAS Number: 13472-36-1
Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | Na₄P₂O₇·10H₂O |
High-Purity Buffering and Sequestering Agent for Analytical and Industrial Use
VWR Tetrasodium Diphosphate Decahydrate (Na₄P₂O₇·10H₂O) is a high-purity inorganic phosphate compound with an assay of 99.0–103.0%, compliant with ACS and Ph. Eur. standards. This decahydrate form of tetrasodium pyrophosphate is used in analytical chemistry, buffer preparation, and as a sequestrant or dispersing agent in various laboratory and industrial applications.
The product is part of the AnalaR NORMAPUR® range and is ideal for high-precision analytical workflows requiring consistent performance, particularly in titration, sample stabilization, and buffered solution formulations.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Tetrasodium Diphosphate Decahydrate |
| Grade | AnalaR NORMAPUR®, ACS, Reag. Ph. Eur. |
| Chemical Formula | Na₄P₂O₇·10H₂O |
| Molecular Weight | 446.06 g/mol |
| CAS Number | 13472-36-1 |
| MDL Number | MFCD00149200 |
| EINECS Number | 231-767-1 |
| Melting Point | 990 °C |
| Density (25 °C) | 1.82 g/cm³ |
| Assay | 99.0–103.0% (on dried basis) |
| GHS Classification | GHS07 (Irritant) |
| Storage Temperature | Ambient |
| Physical Form | White crystalline powder |
Packaging Options
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 28055.292 | Plastic bottle (solid) | 1 kg |
| 28055.460 | Plastic drum | 25 kg |
Applications
- Buffer and dispersing agent in analytical chemistry
- Chelating agent for calcium and magnesium ions
- Titration reagent for complexometric analysis
- Sample preservation and stabilization in solution preparation
- Used in water treatment formulations, detergents, and ceramics (non-food, non-pharma grade)
- Ideal for pharmaceutical QC, educational labs, and industrial chemical processes
Safety and Handling
- Irritant – may cause eye or skin irritation on contact
- Use with PPE including gloves, goggles, and lab coat
- Avoid inhalation of dust; use in a well-ventilated environment
- Store tightly closed in a dry, cool location
- Refer to the Safety Data Sheet (SDS) for full hazard and handling information
VWR Tetrasodium Diphosphate Decahydrate 99.0–103.0%, AnalaR NORMAPUR® offers reliable performance and regulatory compliance for a wide range of laboratory and technical applications. Its versatility as a buffering, sequestering, and stabilizing agent makes it essential in analytical and industrial chemistry workflows.
- Pack Size: 1kg 25kg