1-Phenyl-1H-pyrrole-2,5-dione

CAS 941-69-5

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

Molecular structure of 941-69-5
US productionZero
Import value, 2024$43M
Import volumeCBI
Top sourceJapan 25%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292519 · basket

EPA reports by year
2023
US production Zero · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 292519, which covers 43 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 25%JapanCN 21%ChinaGB 21%United KingdomAT 14%AustriaDE 7%Germany
EPA-registered importers (1)
Trinseo

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Monomers in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.04/gAaron Chemicals LLC
CountryHong Kong
Pack$20.00 / 500 g
Purity95%
Vendors26 available

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

Chemical Identity

CAS941-69-5
PubChem CID13662
DTXSIDDTXSID0041274
FormulaC10H7NO2
Mol. Weight173.17 g/mol
SMILESC1=CC=C(C=C1)N2C(=O)C=CC2=O

Data Sources

Brief citations

1-Phenyl-1H-pyrrole-2,5-dione (CAS 941-69-5) https://chemicalindependence.com/chemical/941-69-5/ EPA CompTox (DSSTox): DTXSID0041274. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0041274 PubChem: 13662. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/13662 EPA Chemical Data Reporting: 941-69-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 941-69-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292519 for CAS 941-69-5. Reporting year: 2024. https://usatrade.census.gov/