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C.I. Acid Orange 116

CAS 68959-00-2

Benzenesulfonic acid, 3-[2-[4-[2-(2-ethoxy-5-methylphenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:1)

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

Molecular structure of 68959-00-2
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

CAS68959-00-2
PubChem CIDNot recorded
DTXSIDDTXSID80887619
FormulaC25H21N4NaO4S
Mol. Weight496.52 g/mol
SMILES[Na+].CCOC1=CC=C(C)C=C1N=NC1=CC=C(N=NC2=CC(=CC=C2)S([O-])(=O)=O)C2=C1C=CC=C2

Data Sources

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Brief citations

C.I. Acid Orange 116 (CAS 68959-00-2) https://chemicalindependence.com/chemical/68959-00-2/ EPA TSCA Inventory: CAS 68959-00-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory