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CAS 39900-12-4

CAS 39900-12-4 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 39900-12-4

CAS 39900-12-4PubChem CID 596923

1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)butane-1,3-dione

IUPAC name: 1-(2,6,6-trimethylcyclohexen-1-yl)butane-1,3-dione

Molecular formula: C13H20O2
Molecular weight: 208.30 g/mol
Exact mass: 208.146329876 Da
XLogP3: 2.5
Topological polar surface area: 34.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

EINECS 254-692-6T78XI898CO1,3-Butanedione, 1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-RefChem:420603254-692-6UNII-T78XI898CO1-(2,6,6-TRIMETHYLCYCLOHEX-1-EN-1-YL)BUTANE-1,3-DIONE4-oxodihydro-beta-ionone

3 more reported names

1-(2,6,6-Trimethyl-cyclohex-1-enyl)-butane-1,3-dione2,6,6-trimethyl-1-[1,3-dioxo-but-1-yl]-cyclohex-1-ene1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-1,3-butanedione #

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External database identifiers

EPA DTXSID:DTXSID00192954

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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CAS 39900-12-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 39900-12-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.