2,4-Dimethyl-1,3-dioxolane

CAS 3390-12-3

Molecular structure of 3390-12-3
US productionNot reported
Import value, 2024$3.5B
Top sourceIreland 57%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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

CAS3390-12-3
PubChem CIDNot recorded
DTXSIDDTXSID90863166
FormulaC5H10O2
Mol. Weight102.133 g/mol
SMILESCC1COC(C)O1

Data Sources

Brief citations

2,4-Dimethyl-1,3-dioxolane (CAS 3390-12-3) https://chemicalindependence.com/chemical/3390-12-3/ EPA CompTox (DSSTox): 3390-12-3. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90863166 US Census international trade: HS 293299 for CAS 3390-12-3. Reporting year: 2024. https://usatrade.census.gov/