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Cerium oxide sulfide (Ce2O2S)

CAS 12442-45-4

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 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

CAS12442-45-4
PubChem CIDNot recorded
DTXSIDDTXSID70924800
FormulaCe4O3S3
Mol. Weight704.64 g/mol
SMILES[O--].[O--].[O--].[S--].[S--].[S--].[Ce+3].[Ce+3].[Ce+3].[Ce+3]

Data Sources

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Brief citations

Cerium oxide sulfide (Ce2O2S) (CAS 12442-45-4) https://chemicalindependence.com/chemical/12442-45-4/ EPA TSCA Inventory: CAS 12442-45-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory