Pigment Red 177

CAS 4051-63-2

[1,1'-Bianthracene]-9,9',10,10'-tetrone, 4,4'-diamino-

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

Molecular structure of 4051-63-2
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

$1.16/gAaron Chemicals LLC
CountryHong Kong
Pack$578.00 / 500 g
PurityNot recorded
Vendors7 available

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

Chemical Identity

CAS4051-63-2
PubChem CIDNot recorded
DTXSIDDTXSID2052079
FormulaC28H16N2O4
Mol. Weight444.446 g/mol
SMILESNC1=CC=C(C2=CC=C(N)C3=C2C(=O)C2=CC=CC=C2C3=O)C2=C1C(=O)C1=CC=CC=C1C2=O

Data Sources

Brief citations

Pigment Red 177 (CAS 4051-63-2) https://chemicalindependence.com/chemical/4051-63-2/ EPA TSCA Inventory: CAS 4051-63-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory