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VWR® di-Sodium tetraborate decahydrate ≥97%, powder, TECHNICAL
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Specifications:
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Industrial Grade | Formula | Na₂B₄O₇·10H₂O |
VWR di-Sodium Tetraborate Decahydrate, TECHNICAL grade (≥97% purity), is a white crystalline powder commonly referred to as borax decahydrate. This compound serves as a versatile boron-based reagent suitable for industrial, technical, and general laboratory applications. With the chemical formula Na₂B₄O₇·10H₂O, it offers dependable performance in buffering, water softening, detergent formulation, and glass or ceramic processing.
This technical grade material is formulated for use in non-critical environments where analytical-grade reagents are not required. It is soluble in water, chemically stable under ambient conditions, and produced to meet consistent technical specifications, ensuring utility in a wide range of chemical workflows.
Chemical and Physical Properties
| Property | Specification |
|---|---|
| Product Name | di-Sodium Tetraborate Decahydrate |
| Grade | TECHNICAL, Powder |
| Purity | ≥97% |
| CAS Number | 1303-96-4 |
| Chemical Formula | Na₂B₄O₇·10H₂O |
| Molecular Weight | 381.37 g/mol |
| MDL Number | MFCD00149193 |
| Merck Index | 13,08662 |
| Boiling Point | 320 °C (1013 hPa) |
| Melting Point | 75 °C |
| Density | 1.73 g/cm³ (20 °C) |
| EINECS Number | 215-540-4 |
| REACH Registration | 01-2119490790-32 |
| Storage Conditions | Ambient temperature |
| Hazard Classification | GHS08 – Health hazard |
Packaging and Ordering Information
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 27705.361 | Plastic bucket | 5 kg |
| 27705.460 | Plastic bucket | 25 kg |
Applications
- Water Treatment: Used as a buffering agent for pH adjustment and scale control.
- Cleaning Formulations: Ingredient in industrial and institutional cleaning agents, including detergents and degreasers.
- Ceramics and Glass Production: Functions as a flux in ceramic glazes and borosilicate glass manufacturing.
- Chemical Processing: Serves as a boron source or buffer component in various chemical syntheses and formulations.
- Metallurgical Industry: Utilized in soldering and welding fluxes as well as metal surface treatments.
- Pulp and Paper Industry: Applied in pH control, starch modification, and flame retardant preparations.
VWR di-Sodium Tetraborate Decahydrate TECHNICAL grade offers consistent quality and dependable performance for a wide range of non-critical industrial and laboratory applications. Its ≥97% purity, stable crystalline form, and broad utility in chemical, ceramic, and cleaning workflows make it an economical and effective reagent. Available in 5 kg and 25 kg bulk plastic buckets, it is an excellent choice for industries and laboratories requiring technical-grade borax for general use.
- Pack Size: 5kg 25kg