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5-{3-[4-(Dimethylamino)cyclobut-2-en-1-ylidene]-1-[4-(dimethylamino)phenyl]prop-1-en-1-yl}-2-methoxybenzene-1-sulfonic acid

CAS 63148-81-2

Methanaminium, N-[4-[[4-(dimethylamino)phenyl](4-methoxy-3-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, inner salt

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

Molecular structure of 63148-81-2
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

CAS63148-81-2
PubChem CIDNot recorded
DTXSIDDTXSID70979118
FormulaC24H28N2O4S
Mol. Weight440.56 g/mol
SMILES[H]C(C([H])=C1C=CC1N(C)C)=C(C1=CC=C(C=C1)N(C)C)C1=CC(=C(OC)C=C1)S(O)(=O)=O

Data Sources

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Brief citations

5-{3-[4-(Dimethylamino)cyclobut-2-en-1-ylidene]-1-[4-(dimethylamino)phenyl]prop-1-en-1-yl}-2-methoxybenzene-1-sulfonic acid (CAS 63148-81-2) https://chemicalindependence.com/chemical/63148-81-2/ EPA TSCA Inventory: CAS 63148-81-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory