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Benzenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, compd. with 2-aminoethanol (1:1)

CAS 111616-65-0

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

Molecular structure of 111616-65-0
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

CAS111616-65-0
PubChem CIDNot recorded
DTXSIDDTXSID00888845
FormulaC18H19N3O5S
Mol. Weight389.43 g/mol
SMILESNCCO.OC1=C(N=NC2=CC=C(C=C2)S(O)(=O)=O)C2=C(C=CC=C2)C=C1

Data Sources

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Brief citations

Benzenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, compd. with 2-aminoethanol (1:1) (CAS 111616-65-0) https://chemicalindependence.com/chemical/111616-65-0/ EPA TSCA Inventory: CAS 111616-65-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory