Butanoic acid, 3,3-bis[(1,1-dimethylethyl)dioxy]-, ethyl ester

CAS 55794-20-2

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 value, 2024$370M

Top sourceIndia 45%

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 291899 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential

These shares come from HS customs code 291899, which covers 139 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).

IN 45%IndiaCN 35%ChinaGB 7%United KingdomCO 3%ColombiaCH 3%Switzerland

Austria
Hungary
South Korea
Taiwan
Czech Republic
Mexico
Spain
Ukraine
Estonia
Australia
Israel
Singapore
Slovakia
Russia

EPA-registered manufacturers (2)

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

Arkema

Pergan Marshall

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 1 sector as 2 functional roles.

•Chemical reaction regulator in Plastics Material and Resin ManufacturingProcessing as a reactant
•Polymerization promoter in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS55794-20-2

PubChem CIDNot recorded

DTXSIDDTXSID4069050

FormulaC14H28O6

Mol. Weight292.372 g/mol

SMILESCCOC(=O)CC(C)(OOC(C)(C)C)OOC(C)(C)C

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
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Butanoic acid, 3,3-bis[(1,1-dimethylethyl)dioxy]-, ethyl ester (CAS 55794-20-2) https://chemicalindependence.com/chemical/55794-20-2/ EPA TSCA Inventory: CAS 55794-20-2. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 55794-20-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 55794-20-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291899 for CAS 55794-20-2. Reporting year: 2024. https://usatrade.census.gov/