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C.I. Pigment Yellow 170

CAS 31775-16-3

Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[N-(4-methoxyphenyl)-3-oxo-

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 31775-16-3
US productionZero
Import volumeCBI
Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023.

Where It Comes From

EPA reports by year
2023
US production Zero · Imports Confidential

Why It Matters

Sectors
Paints & Coatings
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Pigment in Paint and Coating Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS31775-16-3
PubChem CIDNot recorded
DTXSIDDTXSID00865611
FormulaC34H30Cl2N6O6
Mol. Weight689.55 g/mol
SMILESCOC1=CC=C(NC(=O)C(N=NC2=CC=C(C=C2Cl)C2=CC(Cl)=C(C=C2)N=NC(C(C)=O)C(=O)NC2=CC=C(OC)C=C2)C(C)=O)C=C1

Data Sources

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Brief citations

C.I. Pigment Yellow 170 (CAS 31775-16-3) https://chemicalindependence.com/chemical/31775-16-3/ EPA TSCA Inventory: CAS 31775-16-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 31775-16-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 31775-16-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting