Acenaphthene
CAS 83-32-9
Acenaphthylene, 1,2-dihydro-
EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.
Why supply is unknownProduction 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 290290 · basket
- 2023
- US production Not published · Imports Not published
These shares come from HS customs code 290290, which covers 171 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Czech Republic
- Netherlands
- Switzerland
- Pakistan
- United Kingdom
- Austria
- Denmark
- Indonesia
- Lithuania
- Hong Kong
- Finland
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Acenaphthene (CAS 83-32-9) https://chemicalindependence.com/chemical/83-32-9/ EPA TSCA Inventory: CAS 83-32-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 83-32-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290290 for CAS 83-32-9. Reporting year: 2024. https://usatrade.census.gov/