Aluminoxanes

CAS 146905-79-5

Aluminoxanes, iso-Bu Me, branched, cyclic and linear

EPA and Census publish no US supply data for this chemical.

Molecular structure of 146905-79-5
US productionNot reported
Top sourceNo public record

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 unknown

Where 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

CAS146905-79-5
PubChem CIDNot recorded
DTXSIDDTXSID50106667
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Aluminoxanes (CAS 146905-79-5) https://chemicalindependence.com/chemical/146905-79-5/ EPA TSCA Inventory: CAS 146905-79-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory