Yttrium oxide sulfide (Y2O2S)
CAS 12340-04-4
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 unknownWhere 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
CAS12340-04-4
PubChem CIDNot recorded
DTXSIDDTXSID501014300
FormulaO2SY2
Mol. Weight241.87 g/mol
SMILES[O--].[O--].[S--].[Y+3].[Y+3]
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Yttrium oxide sulfide (Y2O2S) (CAS 12340-04-4) https://chemicalindependence.com/chemical/12340-04-4/ EPA TSCA Inventory: CAS 12340-04-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory