2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene
CAS 25087-06-3
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 390591, 391190 · basket
These shares come from HS customs code 390591, 391190, which covers 41 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Malaysia
- Sweden
- Poland
- Netherlands
- Hungary
- Denmark
- Saudi Arabia
- Brazil
- Hong Kong
- Trinidad and Tobago
- Ireland
- Australia
- Lithuania
- Israel
- Slovenia
- Turkey
- Ecuador
- Honduras
- Peru
- Philippines
- Chile
- Luxembourg
- Dominican Republic
- Vietnam
- Czech Republic
- Finland
- Greece
- United Arab Emirates
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
2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene (CAS 25087-06-3) https://chemicalindependence.com/chemical/25087-06-3/ EPA TSCA Inventory: CAS 25087-06-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390591,391190 for CAS 25087-06-3. Reporting year: 2024. https://usatrade.census.gov/