Ammonium tungsten oxide ((NH4)2W4O13)

CAS 12398-61-7

EPA and Census publish no US supply data for this chemical.

US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS12398-61-7
PubChem CIDNot recorded
DTXSIDDTXSID001014379
FormulaH8N2O13W4
Mol. Weight979.43 g/mol
SMILES[NH4+].[NH4+].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[W+6].[W+6].[W+6].[W+6]

Data Sources

Brief citations

Ammonium tungsten oxide ((NH4)2W4O13) (CAS 12398-61-7) https://chemicalindependence.com/chemical/12398-61-7/ EPA TSCA Inventory: CAS 12398-61-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory