Boron Nitride Powder is an inorganic boron-nitrogen compound with the molecular formula BN. It is supplied as a specialty powder material for industrial systems where thermal stability, electrical insulation, lubricity, or ceramic-related performance may be required, depending on grade and application requirements.
Boron Nitride Powder CAS 10043-11-5
- CAS: 10043-11-5
- Synonyms: Boron nitride; BN; Hexagonal boron nitride*; Boron nitride powder
- Einecs: 233-136-6
- Molecular Formula: BN
- Grade: Industrial grade; Ceramic grade; Customized according to application requirements
- Package: Standard packaging; packed in bags / drums / cartons as applicable; customized packaging available upon request
Product Description
Reference Information
| Item | Reference |
|---|---|
| Molecular Formula | BN |
| Molecular Weight | 24.82 |
| EC Number | 233-136-6 |
| General Physical Description | Inorganic boron-nitrogen compound supplied in powder form |
| Structural Notes | Commercial boron nitride may be associated with different crystal forms; grade confirmation is recommended for application matching |
The molecular formula BN and molecular weight 24.82 are listed by major chemical references for boron nitride under CAS 10043-11-5.
Applications
Typical industrial application directions may include:
- Thermal management fillers and insulating systems, depending on particle size, morphology, and formulation compatibility.
- Ceramic and refractory processing, where boron nitride powder is used as a functional inorganic material.
- Lubrication or release-related systems, especially where high-temperature stability is relevant to the process route.
- Polymer, rubber, or composite modification systems, where thermal conductivity or electrical insulation balance is part of formulation design.
- Specialty industrial formulations, subject to grade confirmation, purity requirements, and application validation.
These application directions should be understood as typical industrial use areas rather than fixed end-use claims. Final suitability depends on the offered grade, powder characteristics, and the user’s process conditions. Evidence from supplier and reference materials shows boron nitride powder is used in ceramic, composite, thermal, and related materials contexts, but exact performance depends on the specific form supplied.
Packaging and Storage
Standard packaging is available for boron nitride powder. It may be packed in bags, drums, or cartons as applicable to the offered grade and supply arrangement. Customized packaging may be discussed upon request.
For storage, the material should generally be kept in a dry, well-closed container and protected from unnecessary moisture and contamination during handling. Storage conditions may be further adjusted according to the offered grade, packaging format, and downstream processing requirements.
FAQ
1. Does Boron Nitride Powder match CAS 10043-11-5?
Yes. Boron nitride is listed under CAS 10043-11-5 in major chemical and regulatory references.
2. What is the most suitable product type for this material?
It is best positioned as an inorganic chemical, and in many industrial contexts it is also handled as a specialty ceramic or functional powder material, depending on the application.
3. Which parameters should be confirmed before purchase?
The key points normally include purity profile, particle size, crystal form, application fit, and any process-specific requirements such as moisture, bulk density, or impurity limits.
4. Is the supplied grade always the same crystal form?
Not necessarily. Boron nitride is associated with more than one crystal form in technical and regulatory references. The specific offered grade should be confirmed before application use.
5. Can technical documents such as COA, TDS, and SDS / MSDS be provided?
These documents may be provided upon request or may be available depending on the offered grade and supply arrangement. The exact document package can be discussed according to application requirements.
FAQ - Technical & Supply Chain
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.







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