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Terasil Orange 4RL

CAS 67874-57-1

Propanenitrile, 3-[[2-chloro-4-[2-(2,6-dichloro-4-nitrophenyl)diazenyl]phenyl]amino]-

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

Molecular structure of 67874-57-1
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

CAS67874-57-1
PubChem CIDNot recorded
DTXSIDDTXSID00867372
FormulaC15H10Cl3N5O2
Mol. Weight398.63 g/mol
SMILES[O-][N+](=O)C1=CC(Cl)=C(N=NC2=CC=C(NCCC#N)C(Cl)=C2)C(Cl)=C1

Data Sources

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Brief citations

Terasil Orange 4RL (CAS 67874-57-1) https://chemicalindependence.com/chemical/67874-57-1/ EPA TSCA Inventory: CAS 67874-57-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory