Boron nitride
Boron Nitride (CAS: 10043-11-5; Formula: BN; Molar Mass: 24.82 g/mol) is a synthetic inorganic compound renowned for its exceptional thermal and chemical stability, high wear resistance, and wide band gap. Supplied by Tech Serve Solutions as a nanopowder, it is primarily utilised in advanced materials science, including the development of high-performance ceramic and polymer nanocomposites.

Ceramic and Polymer Nanocomposites
Boron Nitride nanopowder enhances the properties of ceramic and polymer matrices, improving their strength, thermal conductivity, and electrical insulation. Its nanoscale form ensures effective dispersion and integration within the host material.
Machining and Coating Applications
The inherent wear resistance and chemical inertness of Boron Nitride make it suitable for specialised machining tools and protective coatings. It provides excellent performance under demanding conditions.
Materials Science Research
As a versatile nanomaterial, Boron Nitride is a key component in research and development for novel materials with superior thermal management and structural integrity.
| Molecular weight | 24.82 |
|---|---|
| Linear formula | BN |
| Assay | 99% trace metals basis |
| Form | nanopowder |
| Density | 2.29 g/mL at 25 °C(lit.) |
| Application | Boron nitride has been well studied for applications including ceramic1 and polymer2 nanocomposites1. Nanoscale boron nitride is essential for applications at this length scale as the increased surface area resulting in better incorporation in the matrix. BN possesses a number of material properties which increase its utility in machining and coating applications including wear resistance; chemical and thermal stability and wide band gap. |
| Avg Part Size | <150 nm (BET) |
|---|
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 Boron Nitride primarily used for?
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Boron Nitride (BN) is primarily used in advanced materials science for applications such as ceramic and polymer nanocomposites, as well as in high-performance machining and coating applications due to its exceptional thermal, chemical, and wear resistance.
What are the CAS number and formula for Boron Nitride?
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The CAS number for Boron Nitride is 10043-11-5, and its chemical formula is BN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Boron Nitride as a nanopowder with an assay of 99% trace metals basis. This product is supplied for research and industrial applications and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Boron Nitride be handled safely?
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Boron Nitride (CAS: 10043-11-5) is classified as a hazardous substance. Refer to the Safety Data Sheet (SDS) for comprehensive handling, storage, and disposal information. Users should employ appropriate personal protective equipment and ensure adequate ventilation during use. It has a WGK rating of 3 in Germany.
Is Boron Nitride available for export and how is it shipped?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Boron Nitride. Our products are carefully packed and shipped to meet international regulations and customer requirements.
How can I request a sample or quote for Boron Nitride?
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To request a sample or a quote for Boron Nitride (CAS: 10043-11-5), please contact our sales team through the website or by calling our dedicated support line.
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