1-Butene, polymer with ethene
CAS 25087-34-7
US productionNot reported
Import value, 2024$766M
Top sourceCanada 70%
EPA exempts this chemical from its production survey.
Why supply is unknownProduction is reported production, not a complete census of factories.
Where It Comes From
Customs basis: HS 390110 · narrow
HS 390110 covers only 1-Butene, polymer with ethene, so these shares are 1-Butene, polymer with ethene's own.
Source Countries
Country of origin for US imports, from Census customs data (2024).
CA 70%CanadaDE 9%GermanyMX 5%MexicoSE 4%SwedenKR 3%South Korea
- Saudi Arabia
- Switzerland
- United Kingdom
- Singapore
- Malaysia
- Spain
- China
- Poland
- India
- United Arab Emirates
- Turkey
- Indonesia
- Taiwan
- Slovakia
- Norway
- Peru
- Pakistan
- Colombia
- Ireland
- Denmark
- Costa Rica
- Czech Republic
- Argentina
- Hungary
- Australia
- New Zealand
- Jordan
- Dominican Republic
- Vietnam
- Chile
- Greece
- Lithuania
- South Africa
- Portugal
- Slovenia
- Liechtenstein
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
CAS25087-34-7
PubChem CIDNot recorded
DTXSIDDTXSID001010965
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
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 (CAS 25087-34-7) https://chemicalindependence.com/chemical/25087-34-7/ EPA TSCA Inventory: CAS 25087-34-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390110 for CAS 25087-34-7. Reporting year: 2024. https://usatrade.census.gov/