1,2-Benzenedicarboxylic acid, 1-nonyl 2-undecyl ester, branched and linear

CAS 111381-91-0

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

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.

Teknor Apex- Haywood

Why It Matters

Sectors

Plastics & 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.

•Plasticizer in Custom Compounding of Purchased ResinsProcessing—incorporation into formulation, mixture, or reaction product
•Plasticizer in Plastics Product ManufacturingProcessing—incorporation into article

Chemical Identity

CAS111381-91-0

PubChem CIDNot recorded

DTXSIDDTXSID8029078

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Plastics & Rubber

Brief citations

1,2-Benzenedicarboxylic acid, 1-nonyl 2-undecyl ester, branched and linear (CAS 111381-91-0) https://chemicalindependence.com/chemical/111381-91-0/ EPA TSCA Inventory: CAS 111381-91-0. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 111381-91-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 111381-91-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting