1-Butene, polymer with ethene and 1-propene
CAS 25895-47-0
EPA exempts this chemical from its production survey.
Why supply is unknownProduction 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 390190, 390230, 390290 · basket
These shares come from HS customs code 390190, 390230, 390290, which covers 47 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Malaysia
- Colombia
- Sweden
- Czech Republic
- Denmark
- India
- Vietnam
- Argentina
- New Zealand
- Hungary
- Saudi Arabia
- Kazakhstan
- Slovakia
- United Arab Emirates
- Australia
- Portugal
- Ireland
- Turkey
- Poland
- Ghana
- Bulgaria
- Panama
- Norway
- Slovenia
- Greece
- Senegal
- Luxembourg
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
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
1-Butene, polymer with ethene and 1-propene (CAS 25895-47-0) https://chemicalindependence.com/chemical/25895-47-0/ EPA TSCA Inventory: CAS 25895-47-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390190,390230,390290 for CAS 25895-47-0. Reporting year: 2024. https://usatrade.census.gov/