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Quinolinium, 1-ethyl-2-[(1-ethyl-4(1H)-quinolinylidene)methyl]-, iodide (1:1)

CAS 634-21-9

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

Molecular structure of 634-21-9
1 I⁻
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

CAS634-21-9
PubChem CIDNot recorded
DTXSIDDTXSID80883515
FormulaC23H23IN2
Mol. Weight454.355 g/mol
SMILES[I-].CCN1C=CC(=CC2=CC=C3C=CC=CC3=[N+]2CC)C2=C1C=CC=C2

Data Sources

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Brief citations

Quinolinium, 1-ethyl-2-[(1-ethyl-4(1H)-quinolinylidene)methyl]-, iodide (1:1) (CAS 634-21-9) https://chemicalindependence.com/chemical/634-21-9/ EPA TSCA Inventory: CAS 634-21-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory