Pyrrolo[3,4-c]pyrrole-1,4-dione, 2,5-dihydro-3,6-diphenyl-

CAS 54660-00-3

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$419M

Top sourceIndia 31%

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. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 320417 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 320417, which covers 80 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 31%IndiaCN 21%ChinaDE 17%GermanyKR 6%South KoreaCA 5%Canada

Netherlands
Sweden
Taiwan
South Africa
Turkey
Spain
Pakistan
Denmark
Hungary
Austria
Portugal
Israel
Ireland
Australia
Malaysia
Singapore
Brazil
Poland
Slovakia
Hong Kong
Romania
Norway
Colombia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

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Why It Matters

Sectors

Plastics & RubberPaints & CoatingsPaper & Printing

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 3 sectors as 1 functional role.

•Pigment in Paint and Coating Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Printing Ink Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Plastics Material and Resin Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS54660-00-3

PubChem CID625613

DTXSIDDTXSID2068971

FormulaC18H12N2O2

Mol. Weight288.3 g/mol

SMILESC1=CC=C(C=C1)C2=C3C(=C(N2)O)C(=NC3=O)C4=CC=CC=C4

Data Sources

EPA CompTox (DSSTox) · DTXSID2068971Retrieved 2026-04-06
PubChem · compound 625613Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Pyrrolo[3,4-c]pyrrole-1,4-dione, 2,5-dihydro-3,6-diphenyl- (CAS 54660-00-3) https://chemicalindependence.com/chemical/54660-00-3/ EPA CompTox (DSSTox): DTXSID2068971. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2068971 PubChem: 625613. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/625613 EPA Chemical Data Reporting: 54660-00-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 54660-00-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320417 for CAS 54660-00-3. Reporting year: 2024. https://usatrade.census.gov/