Hydrocarbons, C4, butene concentrator by-product

CAS 68606-24-6

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.

Top sourceNo public record

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.

Where It Comes From

EPA reports by year

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

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.

Cenovus U.S

Tpc Group

Why It Matters

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

Chemical Identity

CAS68606-24-6

PubChem CIDNot recorded

DTXSIDDTXSID9028750

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID9028750Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Hydrocarbons, C4, butene concentrator by-product (CAS 68606-24-6) https://chemicalindependence.com/chemical/68606-24-6/ EPA CompTox (DSSTox): DTXSID9028750. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9028750 EPA Chemical Data Reporting: 68606-24-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting