Benzene, mono-C20-24-alkyl derivs.

CAS 156105-29-2

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 volumeZero

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 Zero
2019: US production 1.7M lb · Imports Zero

EPA-registered manufacturers (1)

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

Pilot Chemical Holdings

Why It Matters

Sectors

Core Chemicals

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

•Surfactant (surface active agent) in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS156105-29-2

PubChem CIDNot recorded

DTXSIDDTXSID10107913

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID10107913Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Benzene, mono-C20-24-alkyl derivs. (CAS 156105-29-2) https://chemicalindependence.com/chemical/156105-29-2/ EPA CompTox (DSSTox): DTXSID10107913. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID10107913 EPA Chemical Data Reporting: 156105-29-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 156105-29-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting