Divinylbenzene-styrene copolymer
CAS 9003-70-7
Benzene, diethenyl-, polymer with ethenylbenzene
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 390390, 391190 · basket
These shares come from HS customs code 390390, 391190, which covers 45 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Sweden
- Romania
- Brazil
- Finland
- Poland
- Colombia
- Hungary
- Denmark
- Dominican Republic
- Turkey
- Saudi Arabia
- Portugal
- Hong Kong
- Trinidad and Tobago
- Ireland
- Australia
- Greece
- Lithuania
- Slovenia
- Egypt
- Ecuador
- Honduras
- Czech Republic
- Peru
- Philippines
- Chile
- Luxembourg
- Norway
- Vietnam
- Guatemala
- 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
Divinylbenzene-styrene copolymer (CAS 9003-70-7) https://chemicalindependence.com/chemical/9003-70-7/ EPA TSCA Inventory: CAS 9003-70-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390390,391190 for CAS 9003-70-7. Reporting year: 2024. https://usatrade.census.gov/