(5-Ethyl-1,3-dioxan-5-yl)methanol

CAS 5187-23-5

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.

Top sourceNo public record

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. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Arkema

Imerys

Why It Matters

Sectors

ConstructionCore Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

•Surface modifier in Construction (100%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.35/gCombi-Blocks, Inc.

CountryUnited States

Pack$350.00 / 1 kg

Purity98%

Vendors3 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

2 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.38	1 kg	98%
AA BLOCKS	United States	$0.40	1 kg	98%

Chemical Identity

CAS5187-23-5

PubChem CID78860

DTXSIDDTXSID0044949

FormulaC7H14O3

Mol. Weight146.18 g/mol

SMILESCCC1(COCOC1)CO

Data Sources

EPA CompTox (DSSTox) · DTXSID0044949Retrieved 2026-04-06
PubChem · compound 78860Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

(5-Ethyl-1,3-dioxan-5-yl)methanol (CAS 5187-23-5) https://chemicalindependence.com/chemical/5187-23-5/ EPA CompTox (DSSTox): DTXSID0044949. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0044949 PubChem: 78860. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/78860 EPA Chemical Data Reporting: 5187-23-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 5187-23-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting