Boron

CAS 7440-42-8

U.S. production volumes are classified as confidential business information.

B10.8 g/mol

no molecular structure to draw

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$3M

Top sourceGermany 75%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

Customs basis: HS 280450 · exact

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

Source Countries

Country of origin for US imports, from Census customs data (2024).

DE 75%GermanyCA 16%CanadaCN 4%ChinaBE 2%BelgiumPH 1%Philippines

Turkey

EPA-registered manufacturers (3)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

North American Hoganas High Al

Real Alloy Holding

Real Alloy Recycling

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Minerals Technologies

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

American Metal Fibers

Autoliv Promontory

Why It Matters

Sectors

DefenseTransportationMetals & Mining

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 3 functional roles.

•Alloys in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Stabilizing agent in Primary Metal Manufacturing (100%)Processing—incorporation into article
•Propellants, non-motive (blowing agents) in Explosives Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7440-42-8

PubChem CID5462311

DTXSIDDTXSID3023922

FormulaB

Mol. Weight10.81 g/mol

SMILES[B]

Data Sources

EPA CompTox (DSSTox) · DTXSID3023922Retrieved 2026-04-06
PubChem · compound 5462311Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Defense

Brief citations

Boron (CAS 7440-42-8) https://chemicalindependence.com/chemical/7440-42-8/ EPA CompTox (DSSTox): DTXSID3023922. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3023922 PubChem: 5462311. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5462311 EPA Chemical Data Reporting: 7440-42-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7440-42-8. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 280450 for CAS 7440-42-8. Reporting year: 2024. https://usatrade.census.gov/