Tungsten oxide (W4O11)
CAS 12608-26-3
Companies reported imports and no US production of this chemical to EPA for 2023.
US productionZero
Import volume2.6M lb
Import dependency100%
Top sourceNo public record
Production is reported production, not a complete census of factories. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production Zero · Imports 2.6M lb
EPA-registered importers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Sandvik
Why It Matters
Sectors
Metals & Mining
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
- •Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into article
Chemical Identity
CAS12608-26-3
PubChem CIDNot recorded
DTXSIDDTXSID00893232
FormulaO11W4
Mol. Weight911.35 g/mol
SMILES[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[W+5].[W+5].[W+6].[W+6]
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
Tungsten oxide (W4O11) (CAS 12608-26-3) https://chemicalindependence.com/chemical/12608-26-3/ EPA TSCA Inventory: CAS 12608-26-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 12608-26-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12608-26-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting