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1,3-Dioxane-5,5-dimethanol

CAS 6228-25-7

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 6228-25-7
US productionZero
Import value, 2024$3.5B
Import volumeCBI
Top sourceIreland 57%

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. 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 293299 · basket

EPA reports by year
2023
US production Zero · Imports Confidential

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

Sectors
Core Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS6228-25-7
PubChem CIDNot recorded
DTXSIDDTXSID8044967
FormulaC6H12O4
Mol. Weight148.158 g/mol
SMILESOCC1(CO)COCOC1

Data Sources

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Brief citations

1,3-Dioxane-5,5-dimethanol (CAS 6228-25-7) https://chemicalindependence.com/chemical/6228-25-7/ EPA TSCA Inventory: CAS 6228-25-7. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 6228-25-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6228-25-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293299 for CAS 6228-25-7. Reporting year: 2024. https://usatrade.census.gov/