Pyridine, ethenyl-, polymer with 1,3-butadiene and ethenylbenzene

CAS 9019-71-0

Molecular structure of 9019-71-0
US productionNot reported
Import value, 2024$1.1B
Top sourceSouth Korea 18%

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 390290, 390390, 391190 · basket

These shares come from HS customs code 390290, 390390, 391190, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 18%South KoreaDE 14%GermanyJP 13%JapanCA 11%CanadaMX 10%Mexico

Why It Matters

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

Chemical Identity

CAS9019-71-0
PubChem CIDNot recorded
DTXSIDDTXSID5093848
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Pyridine, ethenyl-, polymer with 1,3-butadiene and ethenylbenzene (CAS 9019-71-0) https://chemicalindependence.com/chemical/9019-71-0/ EPA TSCA Inventory: CAS 9019-71-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390290,390390,391190 for CAS 9019-71-0. Reporting year: 2024. https://usatrade.census.gov/