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CAS 20483-36-7

CAS 20483-36-7 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 20483-36-7
CAS 20483-36-7PubChem CID 577126

Dihydrodehydro-beta-ionone

Dihydrodehydro-beta-ionone is a member of the class of cyclohexadienes that is cyclohexa-1,3-diene substituted by a 3-oxobutyl group at position 1 and by methyl groups at positions 2 and 6. It has a role as a flavouring agent and a human urinary metabolite. It is a cyclohexadiene and a methyl ketone. ChEBI

IUPAC name
4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-2-one
Molecular formula
C13H20O
Molecular weight
192.30 g/mol
Exact mass
192.151415257 Da
XLogP3
2.4
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

Dehydrodihydroionone4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-2-butanoneFEMA No. 34472-Butanone, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-4-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)butan-2-oneXZS4VD987OEINECS 243-847-34-(2,6,6-Trimethylcyclohexa-1,3-dienyl)butan-2-one
16 more reported names
Dihydrodehydro-.beta.-iononeFEMA 34477,8-Dihydro-3,4-dehydro-.beta.-iononeCHEBI:88549DEHYDRODIHYDROIONONE [FHFI]4-(2,6,6-Trimethyl-1,3-cyclohexadienyl)-2-butanone7,8-dihydro-3,4-dehydro-beta-ionone3,4-didehydro-7,8-dihydro-beta-iononeRefChem:587715Dehydrodihydro-beta-iononeUNII-XZS4VD987ODihydrodehydro-?-ionone4-(2,6,6-trimethyl cyclohexa-1,3-dienyl) butane-2-one7,8-Dihydro-3,4-dehydro-b-iononeDB-3048954-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2-butanon
External database identifiers

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

Records for CAS 20483-36-7

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How CAS 20483-36-7 is used on this site

CAS 20483-36-7 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 20483-36-7 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.