Flag of the United StatesAmerican Chemical Independence

C.I. Disperse Red 19

CAS 2734-52-3

Ethanol, 2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bis-

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

Molecular structure of 2734-52-3
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

$56.00/gAA BLOCKS
CountryUnited States
Pack$56.00 / 1 g
PurityNot recorded
Vendors1 available

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

Chemical Identity

CAS2734-52-3
PubChem CIDNot recorded
DTXSIDDTXSID7062613
FormulaC16H18N4O4
Mol. Weight330.344 g/mol
SMILESOCCN(CCO)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)[N+]([O-])=O

Data Sources

← Back to Dashboard

Brief citations

C.I. Disperse Red 19 (CAS 2734-52-3) https://chemicalindependence.com/chemical/2734-52-3/ EPA TSCA Inventory: CAS 2734-52-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory