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1,3-Dioxane, 4,4,6-trimethyl-2-pentyl-

CAS 63449-89-8

Molecular structure of 63449-89-8
US productionNot reported
Import value, 2024$3.5B
Top sourceIreland 57%

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 293299 · basket

These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy

Why It Matters

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

Chemical Identity

CAS63449-89-8
PubChem CIDNot recorded
DTXSIDDTXSID40886587
FormulaC12H24O2
Mol. Weight200.322 g/mol
SMILESCCCCCC1OC(C)CC(C)(C)O1

Data Sources

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Brief citations

1,3-Dioxane, 4,4,6-trimethyl-2-pentyl- (CAS 63449-89-8) https://chemicalindependence.com/chemical/63449-89-8/ EPA TSCA Inventory: CAS 63449-89-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293299 for CAS 63449-89-8. Reporting year: 2024. https://usatrade.census.gov/