Tungsten

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

Molecular structure of 7440-33-7
US ProductionCBI

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

EPA-registered manufacturers (2)
Global Tungsten &Amp; Powders
Kennametal
EPA-registered importers (9)
Merck Kgaa · DE Germany
Berkshire Hathaway
Carpenter Technology Corporate Headquarters
Cronimet Specialty Metals Usa
Howmet Logistics Services
Show all 9
Praxair Electronics
Praxair Surface Technologies
Steel Dynamics
Versum Materials

Why It Matters

Sectors
EnergyWaterElectronicsTransportationMetals & MiningPlastics & RubberConsumer ProductsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 3 functional roles.

  • Alloys in Other (100%)Processing—repackaging
  • Alloys in Fabricated Metal Product Manufacturing (10%)Processing—incorporation into article
  • Intermediate in Primary Metal Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
  • Semiconductor and photovoltaic agent in Industrial Gas Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS7440-33-7
PubChem CID23964
DTXSIDDTXSID8052481
FormulaW
Mol. Weight183.84 g/mol
SMILES[W]

Data Sources

DTXSID80524812026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

239642026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/23964/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/23964.json

7440-33-72026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 7440-33-72026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json