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

CAS 20721-50-0

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

Molecular structure of 20721-50-0
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

$60.20/gAA BLOCKS
CountryUnited States
Pack$301.00 / 5 g
Purity97%
Vendors1 available

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

Chemical Identity

CAS20721-50-0
PubChem CIDNot recorded
DTXSIDDTXSID7066645
FormulaC16H20N4O2
Mol. Weight300.362 g/mol
SMILESNC1=CC=C(C=C1)N=NC1=CC=C(C=C1)N(CCO)CCO

Data Sources

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Brief citations

Ethanol, 2,2'-[[4-[2-(4-aminophenyl)diazenyl]phenyl]imino]bis- (CAS 20721-50-0) https://chemicalindependence.com/chemical/20721-50-0/ EPA TSCA Inventory: CAS 20721-50-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory