Benzene, ethenyl-, polymer with 1,3-butadiene, brominated

CAS 1195978-93-8

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$178M

Top sourceCanada 20%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 390290 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 390290, which covers 17 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).

CA 20%CanadaIT 17%ItalyKR 15%South KoreaJP 13%JapanNL 8%Netherlands

Malaysia
Kazakhstan
India
United Kingdom
Spain
Sweden
Turkey
United Arab Emirates
Poland
Switzerland
Australia
Portugal
Ireland
Brazil
Denmark
Austria
Senegal

EPA-registered manufacturers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Bvpv Styrenics

Lanxess

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Icl Specialty Products North America

Lg Chem America

EPA-registered importers (4)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Basf Se · DE Germany

Lanxess · DE Germany

Basf

Styropek Usa

Why It Matters

Sectors

ConstructionPlastics & Rubber

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

•Flame retardant in Construction (100%)Processing—incorporation into article
•Flame retardant in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS1195978-93-8

PubChem CIDNot recorded

DTXSIDDTXSID20108653

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID20108653Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Benzene, ethenyl-, polymer with 1,3-butadiene, brominated (CAS 1195978-93-8) https://chemicalindependence.com/chemical/1195978-93-8/ EPA CompTox (DSSTox): DTXSID20108653. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20108653 EPA Chemical Data Reporting: 1195978-93-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1195978-93-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 390290 for CAS 1195978-93-8. Reporting year: 2024. https://usatrade.census.gov/