Borax Anhydrous
Borax Anhydrous (CAS: 1330-43-4, Formula: Na2B4O7, Molar Mass: 201.22 g/mol) is a white, crystalline solid essential in various industrial and laboratory applications. It serves as a key component in the manufacturing of glass, ceramics, and detergents, and is widely used as a flux in metallurgy and as a buffering agent in analytical chemistry. Its purity and anhydrous nature make it a reliable reagent for synthesis and decomposition processes.
- IUPAC
- Sodium tetraborate
- Synonyms
- Sodium tetraborateSodium borateTetrasodium tetraborateBoron sodium oxideBoraxSodium diborateAnhydrous borax
Glass and Ceramics Manufacturing
Borax Anhydrous is a crucial ingredient in the production of heat-resistant glass, borosilicate glass, and ceramic glazes. It lowers the melting point of silica and improves the durability and thermal shock resistance of the final products.
Detergent and Cleaning Agent
As a component in laundry detergents and household cleaners, it acts as a water softener, pH buffer, and stain remover, enhancing the overall cleaning efficacy.
Metallurgical Flux
In metallurgy, it is employed as a flux to dissolve metal oxides, facilitating the soldering, brazing, and welding of metals by creating a clean surface for joining.
Analytical Chemistry Reagent
Borax Anhydrous is utilised in laboratories as a buffer solution component for maintaining stable pH levels and as a reagent in various analytical procedures, including titration and decomposition analysis.
Chemical Synthesis
It serves as a source of boron in various inorganic and organic synthesis reactions, contributing to the creation of specialized chemical compounds.
| Molecular weight | 201.22 |
|---|---|
| Linear formula | Na2B4O7 |
| Assay | ≥98.0% (T) |
| Grade | puriss. p.a. |
| Density | 2.367 g/mL at 25 °C(lit.) |
| Melting point | 741 °C(lit.) |
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 |
| Anion traces | chloride (Cl-): ≤10 mg/kgphosphate (PO43-): ≤20 mg/kgsulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Borax Anhydrous used for?
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Borax Anhydrous is used in glass and ceramics manufacturing, as a component in detergents and cleaning agents, as a metallurgical flux, in analytical chemistry, and for chemical synthesis.
What are the CAS number and formula for Borax Anhydrous?
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The CAS number for Borax Anhydrous is 1330-43-4 and its chemical formula is Na2B4O7.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Borax Anhydrous with a minimum assay of ≥98.0% (T) and a Puriss p.a. grade.
How should Borax Anhydrous be handled safely?
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Borax Anhydrous is classified with the GHS symbol GHS08 and the signal word Danger. It carries hazard statement H360FD, indicating potential damage to fertility and the unborn child. Appropriate personal protective equipment, including eyeshields and suitable respiratory protection (type N100 US or P3 EN143), must be worn. Always follow recommended safety procedures and consult the Safety Data Sheet (SDS) before handling.
Is Borax Anhydrous a controlled substance?
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The provided data does not indicate that Borax Anhydrous is a controlled substance in most jurisdictions. However, it is classified as toxic for reproduction (H360FD) and requires careful handling and adherence to safety regulations.
How is Borax Anhydrous packed, shipped, and exported?
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Tech Serve Solutions exports Borax Anhydrous globally. Products are carefully packed to ensure integrity during transit. Please contact us for specific shipping and export inquiries.
How can I request a quote or sample?
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To request a quote or a sample of Borax Anhydrous, please contact our sales department through the website or call us directly. Our team will be happy to assist you with your requirements.
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