Carbon
CAS 7440-44-0
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.
Import value, 2024$227M
Top sourceIndia 22%
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
Customs basis: HS 380210 · 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).
IN 22%IndiaLK 21%Sri LankaCA 11%CanadaCN 9%ChinaMX 8%Mexico
- Finland
- Belgium
- Taiwan
- Spain
- Poland
- Denmark
- Slovakia
- Malta
- Israel
- Czech Republic
- Switzerland
- Hong Kong
- Austria
- Brazil
- Sweden
- Slovenia
- New Zealand
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.
Kuraray · JP Japan
Shell Plc · GB United Kingdom
Cannon Muskegon
Century Aluminum
Entegris
Show all 14
Goodrich
Haldor Topsoe
Kuraray Holdings Usa
Linde
Minerals Technologies
Poco Graphite
Shell Catalyst & Technologies
Shell Catalysts & Technologies
Vibrantz Technologies
Domestic parents -- activity not disclosed (10)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Ardagh Group
BP
Cirba Solutions
Honeywell International (123312)
Ineos Us Chemicals
Show all 10
Pnw Metal Recycling
Quadra Chemicals
Tesla
Toyota Tsusho America
Trafigura Trading
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.
Andritz Ag · AT Austria
Barrick Gold · CA Canada
Basf Se · DE Germany
Clariant International · CH Switzerland
Compagnie De Saint Gobain · FR France
Show all 43
Glencore Plc · CH Switzerland
Green Metals Canada · CA Canada
Jsw Steel · IN India
Kowa · JP Japan
Kuraray · JP Japan
Kureha · JP Japan
3M
Acero Junction Holdings
Advanced Micronutrient Products
Agmet
Air Products And Chemicals
Alcoa
Alter Trading
Andritz
Arkema
Barrick Nevada Holding
Barrick North America Holding
Basf
Camco Manufacturing
Chemalloy
Clariant
Cleveland Cliffs Burns Harbor
Cleveland Cliffs Steel
Cleveland-Cliffs
Delta Carbona
Glencore
Halliburton
Johnson Matthey
Kowa Holdings America
Kureha America
Metal One America
Premier Gold Mines Usa
Radius Recycling
Saint Gobain
Steel Dynamics
Target
The Sherwin Williams
Tms International
Why It Matters
Sectors
EnergyElectronicsTransportationConstructionMetals & MiningPlastics & RubberConsumer ProductsPaints & CoatingsPaper & PrintingCore 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 Shortage
Industrial Uses
Used in 15 sectors as 10 functional roles.
- •Filler in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into article
- •Adsorbent in Paint and Coating Manufacturing (100%)Processing—incorporation into article
- •Alloys in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into article
- •Filler in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Chemical reaction regulator in Mining (except Oil and Gas) and support activities (100%)Use—non-incorporative activities
- •Adsorbent in Miscellaneous Manufacturing (80%)Processing—incorporation into article
- •Adsorbent in Electrical Equipment, Appliance, and Component Manufacturing (20%)Processing—incorporation into article
- •Alloys in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Alloys in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in ConstructionUse—non-incorporative activities
- •Catalyst in All Other Basic Organic Chemical Manufacturing (100%)Use—non-incorporative activities
- •Conductive agent in ServicesProcessing—repackaging
- •Catalyst in Miscellaneous ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Inorganic Chemical ManufacturingUse—non-incorporative activities
- •Chemical reaction regulator in Petrochemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Catalyst in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Lubricating agent in Printing Ink ManufacturingProcessing—repackaging
- •Pigment in Printing Ink ManufacturingProcessing—repackaging
- •Catalyst in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Stabilizing agent in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS7440-44-0
PubChem CID5462310
DTXSIDDTXSID9027651
FormulaC
Mol. Weight12.011 g/mol
SMILESC
Data Sources
- EPA CompTox (DSSTox) · DTXSID9027651Retrieved 2026-04-06
- PubChem · compound 5462310Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA Drug ShortagesRetrieved 2026-06-13
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Carbon (CAS 7440-44-0) https://chemicalindependence.com/chemical/7440-44-0/ EPA CompTox (DSSTox): DTXSID9027651. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9027651 PubChem: 5462310. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5462310 EPA Chemical Data Reporting: 7440-44-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA Drug Shortages: CAS 7440-44-0. Retrieved 2026-06-13. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 380210 for CAS 7440-44-0. Reporting year: 2024. https://usatrade.census.gov/