1-Propene, homopolymer, isotactic

CAS 25085-53-4

Molecular structure of 25085-53-4
US productionNot reported
Import value, 2024$662M
Top sourceCanada 59%

EPA exempts this chemical from its production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 390210 · narrow

These shares come from HS customs code 390210, which covers 2 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 59%CanadaKR 12%South KoreaDE 6%GermanySA 3%Saudi ArabiaBE 3%Belgium

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS25085-53-4
PubChem CIDNot recorded
DTXSIDDTXSID201009750
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

1-Propene, homopolymer, isotactic (CAS 25085-53-4) https://chemicalindependence.com/chemical/25085-53-4/ EPA TSCA Inventory: CAS 25085-53-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390210 for CAS 25085-53-4. Reporting year: 2024. https://usatrade.census.gov/