Cyclotene
Synthétique
Balsamic Ambery > Gourmand > Burnt > Nutty > Anisic
Crédits photo: ScenTree SAS
Other names :
Methylcyclopentenolone ; Maple Lactone ; Corylone® ; 3-methylcyclopentane-1,2-dione ; 3-methyl-cyclopantane-1,2-dione ; 3-methyl-1,2-cyclopentanedione ; Kentonarome ; 2-hydroxy-3-methyl-2-cyclopenten-1-one ; Mcp ; Methyl cyclo pentenolone ; Methyl cyclopentenelone ; 3-methyl-1,2-cyclopentanedione
Volatility :
Base
Uses in perfumery :
Cyclotene is used in ambery, tobacco, fougere and coumarinic notes. The impact of this ingredient increases during maceration.
Natural availability :
Cyclotene is present in peanuts and roasted products like almond and coffee, but does not exist in natural extracts. It also gives maple syrup its characteristic smell.
Year of discovery :
1926
Other comments :
Data not available.
Price Range :
€€€
Stability :
Stable in perfumes and diverse functional bases
Crédits photo: ScenTree SAS
- Molecular formula :
- C6H8O2
- Molecular Weight :
- 112,13 g/mol
- Density :
- Volumetric mass density : 1,31 g/cm³
- Flash Point :
- Donnée indisponible.
- Fusion Point :
- 106°C
- Appearance :
- Colorless liquid
- Log P :
- 0,47
- Boiling Point :
- 179°C
- Detection Threshold :
- 300 ppb (0,00003%)
Synthesis route :
Cyclotene is part of the cyclopentenone family, associated with pyranes and furans, both their structure and their greedy smell are close. Cyclotene can be synthesized by an acyloin condensation reaction by reacting esters of alkyl glutaric acid on themselves. Therefore, the acyloin cyclization of ethyl 2-methylglutarate followed by a treatment with cupric acid in methanol allows to obtain Cyclotene with a yield of 40%. Nowadays, other synthetic routes exist and have greater efficiency.
Synthesis precursor :
Cyclotene is not a precursor to the synthesis of another compound of olfactory interest.
Isomerism :
Cyclotene has no isomer of olfactory interest.
- EINECS number :
- 212-154-8
- FEMA number :
- 2700
- JECFA number :
- 418
- FLAVIS number :
- 07.056
- Allergens :
- This ingredient does not contain any allergen.
- IFRA :
- This ingredient is not restricted
To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
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