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HC Blue 1

CAS 2784-94-3

Ethanol, 2,2'-[[4-(methylamino)-3-nitrophenyl]imino]bis-

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

Molecular structure of 2784-94-3
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.

Chemical Identity

CAS2784-94-3
PubChem CIDNot recorded
DTXSIDDTXSID6020191
FormulaC11H17N3O4
Mol. Weight255.274 g/mol
SMILESCNC1=C(C=C(C=C1)N(CCO)CCO)[N+]([O-])=O

Data Sources

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Brief citations

HC Blue 1 (CAS 2784-94-3) https://chemicalindependence.com/chemical/2784-94-3/ EPA TSCA Inventory: CAS 2784-94-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory