Tungsten trioxide

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

Molecular structure of 1314-35-8
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 (12)
Basf Se · DE Germany
Clariant International · CH Switzerland
Shell · GB United Kingdom
Basf
Clariant
Show all 12
Cormetech
Global Tungsten &Amp; Powders
Haldor Topsoe
Kennametal
Langeloth Metallurgical
Shell Catalysts & Technologies
W. R. Grace & Co. - Conn.
EPA-registered importers (5)
Basf Se · DE Germany
Albemarle
Basf
ExxonMobil
Telex Metals

Why It Matters

Sectors
EnergyWaterElectronicsMetals & MiningCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 7 sectors as 3 functional roles.

  • •Process regulators in Petroleum Refineries (96%)Use—non-incorporative activities
  • •Catalyst in All Other Basic Inorganic Chemical ManufacturingUse—non-incorporative activities
  • •Catalyst in All Other Chemical Product and Preparation Manufacturing (19%)Processing—incorporation into formulation, mixture, or reaction product
  • •Catalyst in Miscellaneous Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Catalyst in Utilities (100%)Use—non-incorporative activities
  • •Catalyst in Petrochemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Primary Metal Manufacturing (100%)Processing as a reactant
  • •Catalyst in Petroleum RefineriesUse—non-incorporative activities
  • •Process regulators in All Other Basic Inorganic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1314-35-8
PubChem CID14811
DTXSIDDTXSID7032262
FormulaO3W
Mol. Weight231.84 g/mol
SMILESO=[W](=O)=O

Data Sources

DTXSID70322622026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

148112026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/14811/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/14811.json

1314-35-82026-04-24

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

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

CAS 1314-35-82026-04-25

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

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

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