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Fluorescent Brightener ER-II

CAS 13001-38-2

Benzonitrile, 2-[2-[4-[2-(4-cyanophenyl)ethenyl]phenyl]ethenyl]-

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

Molecular structure of 13001-38-2
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

CAS13001-38-2
PubChem CIDNot recorded
DTXSIDDTXSID20884561
FormulaC24H16N2
Mol. Weight332.406 g/mol
SMILESN#CC1=CC=C(C=CC2=CC=C(C=CC3=C(C=CC=C3)C#N)C=C2)C=C1

Data Sources

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Brief citations

Fluorescent Brightener ER-II (CAS 13001-38-2) https://chemicalindependence.com/chemical/13001-38-2/ EPA TSCA Inventory: CAS 13001-38-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory