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(1-Methylpropylidene)bis(tert-butyl) peroxide

CAS 13653-62-8

Peroxide, 1,1'-(1-methylpropylidene)bis[2-(1,1-dimethylpropyl)

Molecular structure of 13653-62-8
US productionNot reported
Import value, 2024$56M
Top sourceChina 47%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290960 · basket

These shares come from HS customs code 290960, which covers 29 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 47%ChinaDE 31%GermanyKR 11%South KoreaBE 8%BelgiumTR 1%Turkey

Why It Matters

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

Chemical Identity

CAS13653-62-8
PubChem CIDNot recorded
DTXSIDDTXSID4065571
FormulaC14H30O4
Mol. Weight262.39 g/mol
SMILESCCC(C)(C)OOC(C)(CC)OOC(C)(C)CC

Data Sources

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Brief citations

(1-Methylpropylidene)bis(tert-butyl) peroxide (CAS 13653-62-8) https://chemicalindependence.com/chemical/13653-62-8/ EPA TSCA Inventory: CAS 13653-62-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290960 for CAS 13653-62-8. Reporting year: 2024. https://usatrade.census.gov/