Boron nitride
CAS 10043-11-5
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 285000 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 285000, which covers 58 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Canada
- Russia
- Slovenia
- Hong Kong
- Switzerland
- Lithuania
- Czech Republic
- Spain
- Israel
- Australia
Why It Matters
Industrial Uses
Used in 7 sectors as 4 functional roles.
- •Filler in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Conductive agent in Computer and Electronic Product Manufacturing (0%)Processing—incorporation into article
- •Anti-adhesive/cohesive in Primary Metal Manufacturing (0%)Use—non-incorporative activities
- •Lubricating agent in Transportation Equipment Manufacturing (5%)Processing—incorporation into article
- •Filler in Miscellaneous Manufacturing (15%)Processing—incorporation into article
- •Filler in Plastics Product Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Lubricating agent in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
8 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.07 | 500 g | 98.5% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 99% |
| A2B Chem LLC | United States | $0.27 | 1 kg | 99% |
| AA BLOCKS | United States | $0.28 | 1 kg | 99% |
| Angene International Limited | United States | $0.77 | 500 g | — |
| Sigma-Aldrich (Rush Stock) | Germany | $3.33 | 250 g | 98% |
| Sigma-Aldrich | Germany | $3.33 | 250 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98.5% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID5051498Retrieved 2026-04-06
- PubChem · compound 66227Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Boron nitride (CAS 10043-11-5) https://chemicalindependence.com/chemical/10043-11-5/ EPA CompTox (DSSTox): DTXSID5051498. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5051498 PubChem: 66227. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/66227 EPA Chemical Data Reporting: 10043-11-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10043-11-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 285000 for CAS 10043-11-5. Reporting year: 2024. https://usatrade.census.gov/