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Benzene, ethenyl-, polymer with 2-methyl-1,3-butadiene, hydrogenated

CAS 68648-89-5

Used in 1 industrial sector tracked by the EPA.

Molecular structure of 68648-89-5
US production7.0M lb
Import volumeZero
Import dependency0%
Top sourceNo public record

Production is reported production, not a complete census of factories. 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 390230 · basket

EPA reports by year
2023
US production 7.0M lb · Imports Zero
2019
US production Zero · Imports 18.1K lb

HS customs code 390230 covers 8 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (1)
Calumet Karns City Refining

Why It Matters

Sectors
Energy
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Lubricants and lubricant additives in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS68648-89-5
PubChem CIDNot recorded
DTXSIDDTXSID6052821
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Benzene, ethenyl-, polymer with 2-methyl-1,3-butadiene, hydrogenated (CAS 68648-89-5) https://chemicalindependence.com/chemical/68648-89-5/ EPA CompTox (DSSTox): DTXSID6052821. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6052821 EPA Chemical Data Reporting: 68648-89-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68648-89-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting