2-Pyrrolidinone, 1-ethenylhexadecyl-, homopolymer

CAS 63231-81-2

US productionNot reported

Import value, 2024$47M

Top sourceGermany 48%

EPA exempts this chemical from its production survey.

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 390599 · basket

These shares come from HS customs code 390599, which covers 9 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

DE 48%GermanyCN 19%ChinaTW 15%TaiwanJP 8%JapanAE 3%United Arab Emirates

United Kingdom
Canada
Malaysia
Netherlands
Switzerland
Mexico
Spain
Slovakia
Austria
Denmark
Chile
Israel
Brazil

Why It Matters

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

Chemical Identity

CAS63231-81-2

PubChem CIDNot recorded

DTXSIDDTXSID301009727

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

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Brief citations

2-Pyrrolidinone, 1-ethenylhexadecyl-, homopolymer (CAS 63231-81-2) https://chemicalindependence.com/chemical/63231-81-2/ EPA TSCA Inventory: CAS 63231-81-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390599 for CAS 63231-81-2. Reporting year: 2024. https://usatrade.census.gov/