Flag of the United StatesAmerican Chemical Independence

Praseodymium sulfate

CAS 10277-44-8

Sulfuric acid, praseodymium(3+) salt (3:2)

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

Molecular structure of 10277-44-8
2 Pr³⁺
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

CAS10277-44-8
PubChem CIDNot recorded
DTXSIDDTXSID70890652
FormulaO12Pr2S3
Mol. Weight569.98 g/mol
SMILES[Pr+3].[Pr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

Data Sources

← Back to Dashboard

Brief citations

Praseodymium sulfate (CAS 10277-44-8) https://chemicalindependence.com/chemical/10277-44-8/ EPA TSCA Inventory: CAS 10277-44-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory