Magnesium
CAS 7439-95-4
U.S. production volumes are classified as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Top sourceNo public record
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.
Where It Comes From
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
EPA-registered manufacturers (11)
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
Alcoa
Arconic Us
Ati
Constellium
Show all 11
Magpro
Novelis
Real Alloy Holding
Real Alloy Recycling
Rio Tinto America Holdings
Tennessee Aluminum Processors
Domestic parents -- activity not disclosed (6)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Dow Chemical
Honda Trading America
Icl Specialty Products North America
Jupiter Aluminum
Solvay
Show all 6
Toyota Tsusho America
EPA-registered importers (31)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Bayer Ag · DE Germany
Ferroglobe Plc · GB United Kingdom
Glencore Plc · CH Switzerland
Green Metals Canada · CA Canada
Hindalco Industries · IN India
Show all 31
Luxfer Holdings Plc · GB United Kingdom
Marubeni · JP Japan
Toyota Tsusho · JP Japan
Uacj · JP Japan
Aceto Us
Alter Trading
American Metal Fibers
Ba Holding
Basstech International
Bayer Us Holding
Century Aluminum
Chemalloy
Cleveland Cliffs Burns Harbor
Ferroglobe Usa
Glencore
Hma
Kaiser Aluminum
Marubeni America
Mitsubishi Corporation (Americas)
Omnisource
Radius Recycling
Steel Dynamics
Stillwater Mining
The Lincoln Electric
Timet
Tri-Arrows Aluminum
Why It Matters
Sectors
AgricultureElectronicsTransportationConstructionMetals & 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 14 sectors as 9 functional roles.
- •Alloys in Fabricated Metal Product ManufacturingProcessing—incorporation into article
- •Solids separation (precipitating) agent, not otherwise specified in Primary Metal Manufacturing (7%)Processing as a reactant
- •Hardener in Fabricated Metal Product Manufacturing (72%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Organic Chemical Manufacturing (7%)Processing as a reactant
- •Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Mining (except Oil and Gas) and support activities (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Alloys in Miscellaneous Manufacturing (100%)Use—non-incorporative activities
- •Catalyst in All Other Basic Inorganic Chemical Manufacturing (10%)Processing as a reactant
- •Alloys in Primary Metal Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Soil amendments (fertilizers) in All Other Chemical Product and Preparation Manufacturing (30%)Processing as a reactant
- •Reducing agent in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (10%)Processing as a reactant
- •Alloys in Wholesale and Retail Trade (100%)Processing—repackaging
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
- •Intermediate in Miscellaneous Manufacturing (100%)Processing as a reactant
- •Oxidizing agent in Primary Metal Manufacturing (100%)Processing as a reactant
- •Alloys in OtherProcessing—incorporation into article
- •Filler in Machinery ManufacturingUse—non-incorporative activities
- •Alloys in Transportation Equipment Manufacturing (5%)Processing—incorporation into article
- •Alloys in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (0%)Processing—incorporation into article
- •Alloys in Machinery Manufacturing (30%)Processing—incorporation into article
- •Alloys in Electrical Equipment, Appliance, and Component Manufacturing (20%)Processing—incorporation into article
Chemical Identity
CAS7439-95-4
PubChem CID5462224
DTXSIDDTXSID0049658
FormulaMg
Mol. Weight24.305 g/mol
SMILES[Mg]
Data Sources
- EPA CompTox (DSSTox) · DTXSID0049658Retrieved 2026-04-06
- PubChem · compound 5462224Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Magnesium (CAS 7439-95-4) https://chemicalindependence.com/chemical/7439-95-4/ EPA CompTox (DSSTox): DTXSID0049658. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0049658 PubChem: 5462224. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5462224 EPA Chemical Data Reporting: 7439-95-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7439-95-4. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/