Gamma-Decalactone
Natural - Synthetic
Fruity > Lactonic > Yellow Fruits
Crédits photo: ScenTree SAS
Other names :
5-hexyloxolan-2-one ; 2-decalactone ; Decan-4-olide ; Decano-1,4-lactone ; Alpha-decanolactone ; 4-decanolide ; Decanolide-1,4 ; 4,5-dihydro-5-hexyl-2(3H)-furanone ; 4-hexyl butan-4-olide ; 4-hexyl-4-butanolide ; 4-hexyl-gamma-butyrolactone ; Gamma-hexyl-gamma-butyrolactone ; 4-hexylbutan-4-olide ; 5-hexyloxolan-2-one
Volatility :
Heart/Base
Uses in perfumery :
Gamma-Decalactone adds a fruity and velvety touch to floral accords. Used in peach reconstitutions, accompanied by Aldehyde C14.
Natural availability :
Gamma-Decalactone is included in the fragrant principle of many fruits such as apricot or peach, and can be extracted from Osmanthus Absolute or from Carrot Leaf EO.
Year of discovery :
Data not available.
Other comments :
Gamma-Decalactone has a more sweet and syrupy peach side, while Aldehyde C-14 is renowned for its paper-like note.
Price Range :
€€€
Stability :
Lactones tend to polymerize through time, making them more viscous and leading to a phase shift in alcohol.
Crédits photo: ScenTree SAS
- Molecular formula :
- C10H18O2
- Molecular Weight :
- 170.25 g/mol
- Density :
- 0.967
- Flash Point :
- 302°F (150°C)
- Fusion Point :
- <-4°F (-20°C)
- Appearance :
- Colorless liquid
- Log P :
- 3
- Boiling Point :
- 537.8°F (281°C)
- Detection Threshold :
- 11 ppb (0.0000011% !)
Synthesis route :
Gamma-Decalactone is part of the family of gamma-lactones: cyclic esters whose cycle consists of five atoms. This molecule is synthesized biochemically. A beta-oxidation of ricinoleic acid (derived from castor oil) causes the formation of 4-Hydroxydecanoic acid, which can be cyclized at an acidic pH to obtain the final product: gamma-Decalactone.
Synthesis precursor :
Gamma-Decalactone is not a precursor to the synthesis of another compound of olfactory interest.
Isomerism :
Gamma-Decalactone has an asymmetric carbon. However, it is its racemic mixture that is used in perfumery.
Delta-Decalactone is a constitutional isomer of Gamma-Decalactone, having one carbon atom less in its cycle, and one more in its ramified carbon chain. The resulting smell is very peachy for the isomer, and coconut-like for Delta-Decalactone.
- EINECS number :
- 211-892-8
- FEMA number :
- 2360
- JECFA number :
- 231
- FLAVIS number :
- 10.017
- 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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