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C.I. Disperse Red 338

CAS 63134-15-6

Acetamide, N-[5-(dipropylamino)-2-[2-[5-(ethylthio)-1,3,4-thiadiazol-2-yl]diazenyl]phenyl]-

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

Molecular structure of 63134-15-6
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

CAS63134-15-6
PubChem CIDNot recorded
DTXSIDDTXSID0069701
FormulaC18H26N6OS2
Mol. Weight406.57 g/mol
SMILESCCCN(CCC)C1=CC(NC(C)=O)=C(C=C1)N=NC1=NN=C(SCC)S1

Data Sources

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Brief citations

C.I. Disperse Red 338 (CAS 63134-15-6) https://chemicalindependence.com/chemical/63134-15-6/ EPA TSCA Inventory: CAS 63134-15-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory