C.I. Disperse Red 50

CAS 40880-51-1

Propanenitrile, 3-[[4-[2-(2-chloro-4-nitrophenyl)diazenyl]phenyl]ethylamino]-

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

Molecular structure of 40880-51-1
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.

Vendor Pricing

$580.00/gA2B Chem LLC (1 week)
CountryUnited States
Pack$580.00 / 1 g
Purity95%
Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS40880-51-1
PubChem CIDNot recorded
DTXSIDDTXSID60866023
FormulaC17H16ClN5O2
Mol. Weight357.8 g/mol
SMILESCCN(CCC#N)C1=CC=C(C=C1)N=NC1=CC=C(C=C1Cl)[N+]([O-])=O

Data Sources

Brief citations

C.I. Disperse Red 50 (CAS 40880-51-1) https://chemicalindependence.com/chemical/40880-51-1/ EPA TSCA Inventory: CAS 40880-51-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory