Sodium metaborate tetrahydrate
Sodium metaborate tetrahydrate (CAS: 10555-76-7) is a hydrated inorganic salt with the linear formula NaBO<sub>2</sub> · 4H<sub>2</sub>O and a molecular weight of 137.86 g/mol. This compound functions as a source of borate ions and is utilised in various industrial applications, including as a flux in ceramic and metal processing, and as a component in cleaning agents and fire retardants. It is typically supplied at a purity of ≥99%.
- IUPAC
- Boric acid, sodium salt, tetrahydrate
- Synonyms
- Boric acid, sodium salt, tetrahydrate
Flux in Metallurgy and Ceramics
Sodium metaborate tetrahydrate serves as an effective fluxing agent in high-temperature applications. Its ability to lower melting points aids in the processing of metals and the formulation of ceramic glazes.
Component in Cleaning Formulations
Due to its alkaline nature, this borate salt can be incorporated into industrial cleaning solutions. It helps in saponifying fats and oils, enhancing detergency.
Fire Retardant Applications
The compound can be used in the development of fire-retardant materials. Upon heating, it can release water and form a glassy coating, inhibiting combustion.
Chemical Synthesis
As a source of borate, it can be employed in various chemical syntheses and as a reagent in laboratory research settings.
| Molecular weight | 137.86 |
|---|---|
| Linear formula | NaBO2 · 4H2O |
| Assay | ≥99% |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Sodium metaborate tetrahydrate used for?
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Sodium metaborate tetrahydrate is primarily used as a fluxing agent in metallurgy and ceramics, a component in cleaning formulations, and in fire retardant applications. It also finds use in chemical synthesis and research.
What are the CAS number and formula for Sodium metaborate tetrahydrate?
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The CAS number for Sodium metaborate tetrahydrate is 10555-76-7, and its linear formula is NaBO<sub>2</sub> · 4H<sub>2</sub>O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium metaborate tetrahydrate with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling Sodium metaborate tetrahydrate?
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This compound is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be worn. Handle in a well-ventilated area.
How is Sodium metaborate tetrahydrate packaged and exported?
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Tech Serve Solutions packages and exports chemicals according to international shipping regulations to ensure safe transit worldwide.
How can I request a sample or quote for Sodium metaborate tetrahydrate?
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To request a sample or obtain a quotation, please contact our sales team through the website or by phone, providing your specific requirements.
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