Sodium tetraborate decahydrate
Sodium tetraborate decahydrate (CAS: 1303-96-4), with the molecular formula Na2B4O7 · 10H2O and a molecular weight of 381.37 g/mol, is a white crystalline solid. It is commonly known as borax decahydrate and is primarily used as a buffering agent, a component in cleaning products, and a flux in metallurgy and glass manufacturing. Its essential chemical properties make it valuable in various industrial and laboratory applications.
- IUPAC
- Borax decahydrate,Sodium borate decahydrate
- Synonyms
- Borax decahydrateSodium borate decahydrate
Chemical Synthesis
Utilised as a reagent in the synthesis of borosilicate glass, enamels, and glazes. It serves as a source of boron in various chemical reactions and material preparations.
Metallurgy and Glass Industry
Acts as a flux in welding and soldering processes, lowering the melting point of metal oxides. It is also a key ingredient in the production of borosilicate glass, which offers excellent thermal shock resistance.
Cleaning Agent Component
Incorporated into some household cleaning formulations for its mild alkalinity and abrasive properties. It can help to soften water and boost the effectiveness of detergents.
Laboratory Reagent
Employed in analytical chemistry as a standard for acid-base titrations and in various research applications requiring a soluble boron compound.
| Molecular weight | 381.37 |
|---|---|
| Linear formula | Na2B4O7 · 10H2O |
| Assay | ≥99.5% |
| Grade | puriss. |
| Density | 1.73 g/mL at 25 °C(lit.) |
| Solubility | H2O: soluble0.1 M, clear, colorless |
| Impurities tested | ≤0.001% Phosphorus (P)≤0.1% Insoluble matter |
Hazard statements
- H360FD
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 60-61 |
| Safety statements (S) | 53-45 |
| Cation traces | Al: ≤0.0005%Ca: ≤0.01%Cu: ≤0.0005%Fe: ≤0.001%K: ≤0.005%Mg: ≤0.0005%NH4+: ≤0.05%Pb: ≤0.001%Zn: ≤0.0005% |
| Anion traces | chloride (Cl-): ≤0.05%sulfate (SO42-): ≤0.05% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | meets analytical specification of Ph. Eur., BP, NF |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium tetraborate decahydrate used for?
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Sodium tetraborate decahydrate is used in chemical synthesis, metallurgy, the glass industry, as a component in cleaning agents, and as a laboratory reagent for analytical chemistry and research.
What is the CAS number and formula for Sodium tetraborate decahydrate?
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The CAS number is 1303-96-4 and the linear formula is Na2B4O7 · 10H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium tetraborate decahydrate at a puriss. grade, meeting analytical specifications of Ph. Eur., BP, NF, with an assay of ≥99.5%.
How should Sodium tetraborate decahydrate be handled?
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This compound is a reproductive toxin and may damage fertility or the unborn child (H360FD). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid exposure and seek medical attention if necessary. Ensure to consult the Safety Data Sheet for full details.
How is Sodium tetraborate decahydrate packed and exported?
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Sodium tetraborate decahydrate is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of Sodium tetraborate decahydrate, please contact our sales team through the website or by phone, providing your specific requirements.
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