Zinc
CAS 7440-66-6
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 (14)
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
Wieland-Werke Aktiengesellschaft · DE Germany
Befesa Holding Us
Bekaert
Constellium
Show all 14
Hempel Usa
Luvata Fabrication North America
Novelis
Real Alloy Holding
Real Alloy Recycling
Rio Tinto America Holdings
Tennessee Aluminum Processors
Trafigura Trading
Wieland North America
Domestic parents -- activity not disclosed (8)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Aalborz Chemical
Cirba Solutions
Energizer Holdings
J.W. Harris
Jupiter Aluminum
Show all 8
R.E. Carroll
Steel Dynamics
Teck Metals
EPA-registered importers (43)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Chemtrade Logistics · CA Canada
Elevation Gold · CA Canada
Glencore Plc · CH Switzerland
Hindalco Industries · IN India
Poongsan · KR South Korea
Show all 43
Teck Resources · CA Canada
Toyota Tsusho · JP Japan
Umicore Sa · BE Belgium
Wieland-Werke Aktiengesellschaft · DE Germany
Advanced Micronutrient Products
Chemtrade Solutions
Cleveland Cliffs
Cleveland Cliffs Burns Harbor
Cleveland Cliffs Steel
Eaton
Eckart America
Emco Chemical Distributors
Everz
Federal Cartridge Company Dba Hevi-Shot
Glencore
Golden Vertex
Hma
Jost Chemical
Kobe Coating Company & Uss Galvanizing
Magni Group
Mahle Behr Usa
Manitoba
Materion
Mitsubishi Corporation (Americas)
Nathan Trotter &
Omnisource
Phb
Pmx Industries
Pnw Metal Recycling
Radius Recycling
Teck American Incorporated
Tesla
The Lincoln Electric
The Sherwin Williams
Toyota Tsusho America
Umicore Usa
Wieland Rolled Products North America Buffalo
Worthington Steel
Why It Matters
Sectors
HealthAgricultureEnergyWaterElectronicsTransportationConstructionMetals & MiningPlastics & RubberTextilesConsumer ProductsPaints & CoatingsCore 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 23 sectors as 16 functional roles.
- •Alloys in Fabricated Metal Product ManufacturingProcessing—incorporation into article
- •Plating agent in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into article
- •Alloys in Machinery ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Alloys in Wholesale and Retail Trade (100%)Processing—repackaging
- •Pigment in Paint and Coating Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Surface modifier in Paint and Coating Manufacturing (17%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Plastics Product Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Services (17%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
- •Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (17%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Transportation Equipment Manufacturing (12%)Processing—incorporation into formulation, mixture, or reaction product
- •Alloys in Computer and Electronic Product Manufacturing (1%)Processing—incorporation into article
- •Alloys in Construction (10%)Processing—incorporation into article
- •Alloys in Electrical Equipment, Appliance, and Component Manufacturing (40%)Processing—incorporation into article
- •Alloys in Transportation Equipment Manufacturing (1%)Processing—incorporation into article
- •Alloys in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Semiconductor and photovoltaic agent in Industrial Gas Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Alloys in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitor in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into article
- •Plating agent in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into article
- •Corrosion inhibitor in Primary Metal Manufacturing (100%)Processing—incorporation into article
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitor in Paint and Coating Manufacturing (32%)Processing—incorporation into formulation, mixture, or reaction product
- •Solids separation (precipitating) agent, not otherwise specified in Mining (except Oil and Gas) and support activities (21%)Processing as a reactant
- •Intermediate in All Other Basic Inorganic Chemical Manufacturing (38%)Processing as a reactant
- •Filler in Machinery ManufacturingUse—non-incorporative activities
- •Intermediate in Transportation Equipment ManufacturingProcessing—incorporation into article
- •Intermediate in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into article
- •Intermediate in Miscellaneous ManufacturingProcessing—incorporation into article
- •Intermediate in ConstructionProcessing—incorporation into article
- •Intermediate in Fabricated Metal Product ManufacturingProcessing—incorporation into article
- •Corrosion inhibitor in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into article
- •Corrosion inhibitor in Miscellaneous ManufacturingProcessing—incorporation into article
- •Corrosion inhibitor in Transportation Equipment ManufacturingProcessing—incorporation into article
- •Alloys in Not Known or Reasonably AscertainableNot Known or Reasonably Ascertainable
- •Solvent in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Alloys in Other (100%)Processing—incorporation into article
- •Pigment in ConstructionUse—non-incorporative activities
- •Conductive agent in ServicesProcessing—repackaging
- •Corrosion inhibitor in Pharmaceutical and Medicine Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Heat transferring agent in Transportation Equipment Manufacturing (100%)Processing—incorporation into article
- •Flocculating agent in Utilities (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Flame retardant in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS7440-66-6
PubChem CID23994
DTXSIDDTXSID7035012
FormulaZn
Mol. Weight65.4 g/mol
SMILES[Zn]
Data Sources
- EPA CompTox (DSSTox) · DTXSID7035012Retrieved 2026-04-06
- PubChem · compound 23994Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Zinc (CAS 7440-66-6) https://chemicalindependence.com/chemical/7440-66-6/ EPA CompTox (DSSTox): DTXSID7035012. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7035012 PubChem: 23994. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/23994 EPA Chemical Data Reporting: 7440-66-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7440-66-6. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/