tert-Butyl 3,5,5-trimethylperoxyhexanoate

CAS 13122-18-4

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$384M

Top sourceMalaysia 21%

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 291590 · basket

EPA reports by year

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

These shares come from HS customs code 291590, which covers 588 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).

MY 21%MalaysiaDE 13%GermanyNL 13%NetherlandsMX 10%MexicoIT 8%Italy

Singapore
Austria
United Kingdom
Philippines
Canada
Hungary
Turkey
Ukraine
Israel
Denmark
Czech Republic
Slovakia
Norway
Poland
Hong Kong
South Africa
Russia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Pergan Marshall

EPA-registered importers (4)

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

United Initiators Gmbh · DE Germany

Arkema

Dal-Tile

United Initiators

Why It Matters

Sectors

ConstructionPlastics & 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 4 sectors as 4 functional roles.

•Adhesion/cohesion promoter in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
•Plasticizer in Plastics Material and Resin ManufacturingProcessing as a reactant
•CBI in CBICBI
•Polymerization promoter in Plastics Product Manufacturing (100%)Processing as a reactant
•Plasticizer in Plastics Product Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS13122-18-4

PubChem CID114465

DTXSIDDTXSID40864365

FormulaC13H26O3

Mol. Weight230.34 g/mol

SMILESCC(CC(=O)OOC(C)(C)C)CC(C)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID40864365Retrieved 2026-04-06
PubChem · compound 114465Retrieved 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

tert-Butyl 3,5,5-trimethylperoxyhexanoate (CAS 13122-18-4) https://chemicalindependence.com/chemical/13122-18-4/ EPA CompTox (DSSTox): DTXSID40864365. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID40864365 PubChem: 114465. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/114465 EPA Chemical Data Reporting: 13122-18-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13122-18-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291590 for CAS 13122-18-4. Reporting year: 2024. https://usatrade.census.gov/