Triisononyl trimellitate

CAS 53894-23-8

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$316M

Import volume996.6K lb

Top sourceSouth Korea 19%

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 291739 · basket

EPA reports by year

2023: US production Confidential · Imports 996.6K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291739, which covers 103 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).

KR 19%South KoreaCN 19%ChinaIN 18%IndiaES 13%SpainCA 9%Canada

Netherlands
Malaysia
Colombia
Switzerland
Turkey
Germany
Peru
Brazil
Sweden
Belgium
Denmark
Czech Republic
Ukraine
Hong Kong

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 3 sectors as 1 functional role.

•Plasticizer in Plastics Product ManufacturingProcessing—incorporation into article
•Plasticizer in Custom Compounding of Purchased ResinsProcessing—incorporation into formulation, mixture, or reaction product
•Plasticizer in Plastics Material and Resin Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.66/gA2B Chem LLC (1 week)

CountryUnited States

Pack$166.00 / 250 g

PurityNot recorded

Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (1 week)	United States	$0.68	250 g	—

Chemical Identity

CAS53894-23-8

PubChem CID104635

DTXSIDDTXSID5028033

FormulaC36H60O6

Mol. Weight588.9 g/mol

SMILESCC(C)CCCCCCOC(=O)C1=CC(=C(C=C1)C(=O)OCCCCCCC(C)C)C(=O)OCCCCCCC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID5028033Retrieved 2026-04-06
PubChem · compound 104635Retrieved 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

Triisononyl trimellitate (CAS 53894-23-8) https://chemicalindependence.com/chemical/53894-23-8/ EPA CompTox (DSSTox): DTXSID5028033. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5028033 PubChem: 104635. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/104635 EPA Chemical Data Reporting: 53894-23-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 53894-23-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291739 for CAS 53894-23-8. Reporting year: 2024. https://usatrade.census.gov/