Dihydrojasmone
2-amyl-3-methylcyclopent-2-en-1-one ; Dihydro jasmone ; 3-methyl-2-pentylcyclopent-2-en-1-one ; 2-amyl-3-methyl-2-cyclopenten-1-one ; 3-methyl-2-pentyl-2-cyclopenten-1-one ; 2-amyl-3-methyl-2-cyclopentenone ; 3-methyl-2-pentyl-2-cyclopentenone
Photo credits: ScenTree SAS
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General Presentation
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CAS N° : : 1128-08-1
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EINECS number : 214-434-5
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FEMA number : 3763
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Density : 0,92
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Optical rotation : Lorem Ipsum
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Allergens : This ingredient does not contain any allergen.
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Refractive Index @20°C : Lorem Ipsum
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Volatility : Heart/Base
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Price Range : €€€
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Appearance : Colorless liquid
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FLAVIS number : 07.140
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JECFA number : 1406
Information on synthetic ingredients
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Acid Value : Lorem Ipsum
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Boiling Point : 120°C
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Detection Threshold : Donnée indisponible.
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Molecular formula : C11H18O
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Log P : Donnée indisponible.
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Molecular Weight : 166,26 g/mol
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Fusion Point : Donnée indisponible.
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Flash Point : 96°C
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Vapor pressure : Lorem Ipsum
Uses
Other comments :
Comparing it with cis-Jasmone, Dihydrojasmone has a more almond and less green smell than its homologue.
Stability :
Unstable in acidic products, except fabric conditioners, and in very alkaline detergents.
Uses in perfumery :
Dihydrojasmone is sometimes used to replace cis-Jasmone, as it is less costly, is jasmine accords to bring deepness.
Year of discovery :
Data not available.
Isomerism :
Having a double bond in its cycle, Dihydrojasmone is isomericly pure.
Synthesis precursor :
Dihydrojasmone is not used for the synthesis of another compound used in perfumery.
Natural availability :
Dihydrojasmone is a purely synthetic molecule, not found on its natrual state.
Synthesis route :
Dihydrojasmone can be prepared in several ways. One of them is an intramolecular aldolic condensation of 2,5-undecanedione. This molecule is prepared by reacting heptanal with 3-buten-2-one, in the presence of a thiazolium salt. The aldol condensation simply consists in mixing the dione with a strong acid.
Regulations & IFRA
This ingredient is not restricted
