2-Butenedioic acid (2Z)-, 1-butyl ester, polymer with methoxyethene

CAS 25119-68-0

Molecular structure of 25119-68-0
US productionNot reported
Import value, 2024$516M
Top sourceGermany 22%

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 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.

Source Countries
DE 22%GermanyJP 17%JapanCA 15%CanadaGB 14%United KingdomCN 9%China

Why It Matters

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

Chemical Identity

CAS25119-68-0
PubChem CIDNot recorded
DTXSIDDTXSID101011366
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

2-Butenedioic acid (2Z)-, 1-butyl ester, polymer with methoxyethene (CAS 25119-68-0) https://chemicalindependence.com/chemical/25119-68-0/ EPA TSCA Inventory: CAS 25119-68-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390591,391190 for CAS 25119-68-0. Reporting year: 2024. https://usatrade.census.gov/