Photo credits: ScenTree SAS
Anethole
Herbal > Anisic
1-methoxy-4-prop-1-enylbenzene ; Acintene O ; Anise camphor ; Isoestragole ; Para-methoxy-beta-methyl styrene ; 4-methoxypropenylbenzene ; Monasirup ; 4-propenyl anisole ; Para-propenyl phenyl methyl ether ; 4-propenylanisole
Photo credits: ScenTree SAS
General Presentation
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CAS N° :
104-46-1 / 4180-23-8 -
EINECS number :
224-052-0 -
FEMA number :
2086 -
FLAVIS number :
4,01
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JECFA number :
217 -
Volatility :
Head/Heart -
Price Range :
€€
Physico-chemical properties
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Appearance :
Colorless liquid -
Density :
0,983 -
Refractive Index @20°C :
1,557 - 1,561 -
Optical rotation :
Donnée indisponible. -
Vapor pressure :
0,0687 mmHg @25°C -
Flash Point :
91°C (195,8°F)
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Molecular formula :
C10H12O -
Molecular Weight :
148,22 g/mol -
Log P :
Donnée indisponible. -
Fusion Point :
23°C (73,4°F) -
Boiling Point :
236°C (456,8°F) -
Detection Threshold :
Donnée indisponible.
Chemistry & Uses
Uses in perfumery :
Anethole enhances fruity and floral notes by bringing a greener and more anisic facet.
Year of discovery :
Data not available.
Natural availability :
Anethole can be obtained by crystallization of Anise EO or Star Anise EO, Sweet Fennel EO or from Turpentine EO, among others. In the case of turpentine, a mixture of Anethole and beta-Caryophyllene is obtained. Then, Anethole is separated from the mixture by crystallization. Another fraction of this extraction contains both Anethole and Estragol. Therefore, a potash treatment is necessary to obtain a mixture of Anethole and alpha-Terpineol. These two molecules are separable by fractional distillation.
Isomerism :
The trans-diastereoisomer of Anethole is always the most present in its natural state. In perfumery, it is usually a mixture of the two isomers that is used. Estragole is a positional isomer of Anethole. Both molecules have an anisic note, but Estragole is more aromatic and green.
Synthesis precursor :
Anethole is a precursor to the synthesis of Anisaldehyde by oxidation.
Synthesis route :
The synthesis of Anethole is made by a Friedel-Crafts reaction using methoxybenzene and propionyl chloride. A hydrogenation followed by an acid treatment allows to obtain Anethole.
Stability :
Most of the time, the occurrence of a benzenic cycle in a molecule causes a coloration of this molecule through time
Other comments :
Anethole is the most common and neutral anisic note, representative of this family.
Labelling
Allergens :
This ingredient is classified as an allergen under European Regulation 2023/1545, dated August 26, 2023.
Its presence must therefore be declared on product labels when it exceeds 0.001% in leave-on products and 0.01% in rinse-off products.
Signal word :
Warning
Hazard pictograms :
Precautionary statements :
| HAZARD | PRECAUTION |
|---|---|
| H317 May cause an allergic skin reaction. | P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302 + P352 IF ON SKIN: Wash with plenty of water/… P321 Specific treatment (see ... on this label). P501 Dispose of contents/container to… |
IFRA
IFRA 51th :
This ingredient is not restricted for the 51th amendment
