Trans-2-cis-6-Nonadienol
Naturelle - Synthétique
Fruity > Juicy Fruits > Aquatic > Green > Metallic
Crédits photo: ScenTree SAS
Other names :
Cucumber alcohol ; Violet leaf alcohol ; Alcool concombre ; Alcool feuille de violette ; (E)-2-(Z)-6-nonadienol ; (E,Z)-2,6-nonadienol ; Trans-2-cis-6-nonadien-1-ol ; E)-2-(Z)-6-nonadien-1-ol ; (E,Z)-2,6-nonadien-1-ol ; Nona-2,6-dienol ; Nona-2,6-dien-1-ol ; (Z,E)-nona-2,6-dienol ; (Z,E)-nona-2,6-dien-1-ol
Volatility :
Head
Uses in perfumery :
Trans-2-cis-6-Nonadienol is used to make artificial violet leaf notes and in woody perfumes. It can also be useful to bring a strong mimosa top note. This molecule is used in very low quantity as it is very powerful, and it is diluted before usage.
Natural availability :
Trans-2-cis-6-Nonadienol is found on a natural state in Violet Leaf Absolute, and is partly responsible for its green and fatty smell. It can thus be extracted from it.
Year of discovery :
Data not available.
Other comments :
In comparision to Trans-2-cis-6-Nonadienal, both molecules have a common violet leaf usage, but Trans-2-cis-6-Nonadienol still has a more floral and soft touch.
Both raw materials are also very costly.
Both raw materials are also very costly.
Price Range :
€€€€€
Stability :
Very unstable in acid cleaners and very alkaline products. Exclusively stable in shampoo, soap and fabric care bases.
Crédits photo: ScenTree SAS
- Molecular formula :
- C9H16O
- Molecular Weight :
- 140,23 g/mol
- Density :
- 0,87
- Flash Point :
- 95°C
- Fusion Point :
- Donnée indisponible.
- Appearance :
- Colorless liquid
- Log P :
- 2,87
- Boiling Point :
- 232°C
- Detection Threshold :
- Donnée indisponible.
Synthesis route :
Trans-2-cis-6-Nonadienol is synthesized starting from cis-3-Hexenol, converted into cis-3-hexenyl chloride first, and then blending this product with pure magnesium to form a Grignard reagent. This reagent will undergo a reaction with acrolein, to form nonadien-3-ol, then converted into trans-2-cis-6-nonadienol thanks to an allylic rearrangement.
Synthesis precursor :
Trans-2-cis-6-Nonadienol can be used to synthesize its corresponding esters. For example, Trans-2-cis-6-Nonadienyl acetate has a green, fatty and nutty smell.
Isomerism :
The different diastereoisomers of Trans-2-cis-6-Nonadienol can be used in perfumery as they also have a green smell reminiscent of violet leaf and cucumber. They remain much less used than the first compound.
- EINECS number :
- 248-816-8
- FEMA number :
- 2780
- JECFA number :
- Donnée indisponible.
- FLAVIS number :
- 02.231
- 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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