C.I. Disperse Red 13

CAS 3180-81-2

Ethanol, 2-[[4-[2-(2-chloro-4-nitrophenyl)diazenyl]phenyl]ethylamino]-

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

Molecular structure of 3180-81-2
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

CAS3180-81-2
PubChem CIDNot recorded
DTXSIDDTXSID5038915
FormulaC16H17ClN4O3
Mol. Weight348.79 g/mol
SMILESCCN(CCO)C1=CC=C(C=C1)N=NC1=CC=C(C=C1Cl)[N+]([O-])=O

Data Sources

Brief citations

C.I. Disperse Red 13 (CAS 3180-81-2) https://chemicalindependence.com/chemical/3180-81-2/ EPA TSCA Inventory: CAS 3180-81-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory