Methyl benzodioxepinone

CAS 28940-11-6

U.S. production volumes are classified as confidential business information.

Molecular structure of 28940-11-6
US productionCBI
Import value, 2024$3.5B
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. US production volume is confidential. 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 Confidential · Imports Confidential
2019
US production Confidential · 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
Domestic parents -- activity not disclosed (1)
Reckitt Benckiser
EPA-registered importers (1)
Reckitt Benckiser Group · GB United Kingdom

Why It Matters

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

Vendor Pricing

$0.60/gAA BLOCKS
CountryUnited States
Pack$14972.00 / 25 kg
Purity98%
Vendors20 available

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

Chemical Identity

CAS28940-11-6
PubChem CID120101
DTXSIDDTXSID0047165
FormulaC10H10O3
Mol. Weight178.18 g/mol
SMILESCC1=CC2=C(C=C1)OCC(=O)CO2

Data Sources

Brief citations

Methyl benzodioxepinone (CAS 28940-11-6) https://chemicalindependence.com/chemical/28940-11-6/ EPA CompTox (DSSTox): DTXSID0047165. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0047165 PubChem: 120101. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/120101 EPA Chemical Data Reporting: 28940-11-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293299 for CAS 28940-11-6. Reporting year: 2024. https://usatrade.census.gov/