Sodium, 2,4-cyclopentadien-1-yl-

CAS 4984-82-1

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

Molecular structure of 4984-82-1
1 Na⁺
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

CAS4984-82-1
PubChem CIDNot recorded
DTXSIDDTXSID9063665
FormulaC5H5Na
Mol. Weight88.085 g/mol
SMILES[Na+].[CH-]1C=CC=C1

Data Sources

Brief citations

Sodium, 2,4-cyclopentadien-1-yl- (CAS 4984-82-1) https://chemicalindependence.com/chemical/4984-82-1/ EPA TSCA Inventory: CAS 4984-82-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory