Aluminoxanes, iso-Bu, branched, cyclic and linear
CAS 220326-29-4
EPA and Census publish no US supply data for this chemical.
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 unknownWhere It Comes From
Customs basis: HS 381519 · narrow
EPA and Census publish no US supply data for this chemical.
HS customs code 381519 covers 2 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Aluminoxanes, iso-Bu, branched, cyclic and linear (CAS 220326-29-4) https://chemicalindependence.com/chemical/220326-29-4/ EPA TSCA Inventory: CAS 220326-29-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory