Manganese

CAS 7439-96-5

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

Mn54.9 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$123M

Top sourceChina 70%

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 811100 · 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).

CN 70%ChinaZA 20%South AfricaJP 5%JapanID 2%IndonesiaMX 2%Mexico

Belgium
Germany
Canada
India
Poland
United Kingdom

EPA-registered manufacturers (13)

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

Hindalco Industries · IN India

Arconic Us

Cannon Muskegon

Constellium

Luvata Fabrication North America

Show all 13

North American Hoganas

North American Hoganas High Al

Novelis

Real Alloy Holding

Real Alloy Recycling

Rio Tinto America Holdings

Seatex

Tennessee Aluminum Processors

Domestic parents -- activity not disclosed (5)

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

Ferroglobe Usa

J.W. Harris

Jupiter Aluminum

Pnw Metal Recycling

Toyota Tsusho America

EPA-registered importers (33)

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

Andritz Ag · AT Austria

Glencore Plc · CH Switzerland

Green Metals Canada · CA Canada

Hindalco Industries · IN India

Jfe Steel · JP Japan

Show all 33

Jsw Steel · IN India

Toyota Tsusho · JP Japan

Uacj · JP Japan

Acero Junction Holdings

Advanced Micronutrient Products

Alcoa

Alter Trading

Andritz

Century Aluminum

Chemalloy

Cleveland Cliffs Burns Harbor

Cleveland Cliffs Steel

Cleveland-Cliffs

Glencore

Hma

Honda Trading America

Jost Chemical

Mahle Behr Usa

Metal One America

Mitsubishi Corporation (Americas)

Nucor

Radius Recycling

Steel Dynamics

Sterling Steel

Tesla

The Lincoln Electric

Tms International

Tri-Arrows Aluminum

Why It Matters

Sectors

AgricultureEnergyElectronicsTransportationConstructionMetals & MiningConsumer ProductsCore Chemicals

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 9 sectors as 4 functional roles.

•Alloys in Machinery ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Alloys in Wholesale and Retail Trade (100%)Processing—repackaging
•Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Alloys in Primary Metal Manufacturing (100%)Processing—repackaging
•Alloys in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into article
•Alloys in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Soil amendments (fertilizers) in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Alloys in Transportation Equipment Manufacturing (5%)Processing—incorporation into article
•Filler in Machinery ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Alloys in OtherProcessing—incorporation into article
•Intermediate in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7439-96-5

PubChem CID23930

DTXSIDDTXSID2024169

FormulaMn

Mol. Weight54.93804 g/mol

SMILES[Mn]

Data Sources

EPA CompTox (DSSTox) · DTXSID2024169Retrieved 2026-04-06
PubChem · compound 23930Retrieved 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

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Brief citations

Manganese (CAS 7439-96-5) https://chemicalindependence.com/chemical/7439-96-5/ EPA CompTox (DSSTox): DTXSID2024169. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2024169 PubChem: 23930. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/23930 EPA Chemical Data Reporting: 7439-96-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7439-96-5. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 811100 for CAS 7439-96-5. Reporting year: 2024. https://usatrade.census.gov/