Diisotridecyl adipate

CAS 26401-35-4

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$49M

Top sourceCanada 36%

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 291712 · basket

EPA reports by year

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

These shares come from HS customs code 291712, which covers 34 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 36%CanadaBR 27%BrazilKR 10%South KoreaIN 6%IndiaNL 5%Netherlands

United Kingdom
Thailand
Turkey
Switzerland

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.

Zschimmer&Schwarz

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.

Croda

Hollyfrontier Lsp Us Holding

EPA-registered importers (3)

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

Cargill, Incorporated

Fuchs Lubricants

Pennzoil-Quaker State

Why It Matters

Sectors

EnergyCore 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

Used in 2 sectors as 3 functional roles.

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Lubricating agent in All Other Chemical Product and Preparation Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
•Swelling agent in Petroleum Lubricating Oil and Grease Manufacturing (92%)Processing—incorporation into formulation, mixture, or reaction product
•Solubility enhancer in Petroleum Lubricating Oil and Grease Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS26401-35-4

PubChem CID94369

DTXSIDDTXSID6067206

FormulaC32H62O4

Mol. Weight510.8 g/mol

SMILESCC(C)CCCCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCCCCC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID6067206Retrieved 2026-04-06
PubChem · compound 94369Retrieved 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

Diisotridecyl adipate (CAS 26401-35-4) https://chemicalindependence.com/chemical/26401-35-4/ EPA CompTox (DSSTox): DTXSID6067206. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6067206 PubChem: 94369. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/94369 EPA Chemical Data Reporting: 26401-35-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 26401-35-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291712 for CAS 26401-35-4. Reporting year: 2024. https://usatrade.census.gov/