Acrylonitrile Butadiene Styrene

CAS 9003-56-9

2-Propenenitrile, polymer with 1,3-butadiene and ethenylbenzene

US productionNot reported

Import value, 2024$379M

Top sourceSouth Korea 47%

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 390330 · narrow

These shares come from HS customs code 390330, which covers 4 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).

KR 47%South KoreaTW 21%TaiwanMX 13%MexicoBE 5%BelgiumNL 3%Netherlands

United Kingdom
Vietnam
Italy
Austria
Costa Rica
Sweden
Brazil
Hong Kong
Israel
South Africa
Switzerland
Denmark
Ireland
Poland
Croatia

Why It Matters

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

Chemical Identity

CAS9003-56-9

PubChem CIDNot recorded

DTXSIDDTXSID70858757

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

Acrylonitrile Butadiene Styrene (CAS 9003-56-9) https://chemicalindependence.com/chemical/9003-56-9/ EPA TSCA Inventory: CAS 9003-56-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390330 for CAS 9003-56-9. Reporting year: 2024. https://usatrade.census.gov/