Peroxide, bis(2-methyl-1-oxopropyl)

CAS 3437-84-1

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 2019 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: 2019. 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

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.

Nouryon Chemicals

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS3437-84-1

PubChem CID76969

DTXSIDDTXSID0063024

FormulaC8H14O4

Mol. Weight174.19 g/mol

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

Data Sources

EPA CompTox (DSSTox) · DTXSID0063024Retrieved 2026-04-06
PubChem · compound 76969Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Peroxide, bis(2-methyl-1-oxopropyl) (CAS 3437-84-1) https://chemicalindependence.com/chemical/3437-84-1/ EPA CompTox (DSSTox): DTXSID0063024. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0063024 PubChem: 76969. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/76969 EPA Chemical Data Reporting: 3437-84-1. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291590 for CAS 3437-84-1. Reporting year: 2024. https://usatrade.census.gov/