Iralia®
Synthétique
Floral > Powdery Flowers > Violet Flower > Fatty
Crédits photo: ScenTree SAS
Other names :
N-1-(2,6,6-trimethyl-1-cyclohex-2-enyl)pent-1-en-3-one ; Cyclocitrylidene methyl ethyl ketone ; Iralia total ; Methyl cyclocitrilydene acetone ; Methyl ionone ; N-5-(2,6,6-trimethyl-2-cyclohexen-1-yl)-4-penten-3-one
Volatility :
Heart
Uses in perfumery :
Iralia® is used in floral notes of violet, carnation and in spicy tea notes. Often associated with Hedione®. Used in chypre notes for a different facet.
Natural availability :
Iralia® is not available in its natural state.
Year of discovery :
Iralia®' trademark has been published and protected by Firmenich SA since 07/11/1966 (brand N°325224)
Other comments :
Iralia® is more powdery than Ionones, but less fruity-sweet. Methyl Ionones are among the 26 allergens in perfumery.
Price Range :
€€€
Stability :
Unstable in acidic products, except fabric conditioners, and in very basic products.
Crédits photo: ScenTree SAS
- Molecular formula :
- C14H22O
- Molecular Weight :
- 206,33 g/mol
- Density :
- 0,931
- Flash Point :
- >110°C
- Fusion Point :
- Donnée indisponible.
- Appearance :
- Colorless liquid
- Log P :
- 4,14-4,33
- Boiling Point :
- Donnée indisponible.
- Detection Threshold :
- Donnée indisponible.
Synthesis route :
The synthesis of Iralia® and methylionones is made from Citral and methyl ethyl ketone (instead of acetone for ionones). This synthesis step gives rise to two molecules called n-Methyl pseudoionone and Isomethyl pseudoionone, both having cis and trans diastereoisomers. The ratio of one molecule relative to the other is favoured by the choice of the reaction catalyst: the more alkaline the catalyst, the more Isomethyl pseudoionone will be favoured. For the cyclization step of Pseudoionone, as for conventional ionones, one isomer will be favoured depending on which acid is used.
Synthesis precursor :
Iralia® is not a precursor to the synthesis of another compound of olfactory interest.
Isomerism :
Iralia® is a mixture of molecules consisting mainly of alpha-isomethyl ionone, alpha-methyl ionone and a minority of beta-methyl ionone. All these molecules are isomers.
- EINECS number :
- 215-635-0
- FEMA number :
- 2711
- JECFA number :
- Donnée indisponible.
- FLAVIS number :
- Donnée indisponible.
- Allergens :
- This ingredient does not contain any allergen.
- IFRA :
- This ingredient is restricted by IFRA
- Restriction type :
- RESTRICTION_SPECIFICATION
- Cause of restriction :
- DERMAL SENSITIZATION
- Amendment :
- 49
- Comments :
- The above limits apply to Methyl ionone isomers used individually or in combination. Pseudo methyl ionones (CAS numbers 26651-96-7, 72968-25-3, 1117-41-5) should not be used as fragrance ingredient as such. A level of up to 2% of Pseudo methyl ionones as an impurity in Methyl ionones is accepted.
- Quantitative limit on the use :
-
Cat.1 Cat.2 Cat.3 Cat.4 Cat.5A Cat.5B Cat.5C Cat.5D Cat.6 5,4 % 1,6 % 32 % 30 % 7,6 % 7,6 % 7,6 % 7,6 % 18 % Cat.7A Cat.7B Cat.8 Cat.9 Cat.10A Cat.10B Cat.11A Cat.11B Cat.12 61 % 61 % 3,2 % 59 % 100 % 100 % 100 % 100 % No Restriction - Restriction type :
- RESTRICTION_SPECIFICATION
- Cause of restriction :
- DERMAL SENSITIZATION
- Amendment :
- 49
- Quantitative usage limits :
-
Cat.1 Cat.2 Cat.3 Cat.4 Cat.5 Cat.6 Cat.7 Cat.8 Cat.9 Cat.10 Cat.11 5,4 % 1,6 % 32 % 30 % 7,6 % 18 % 61 % 3,2 % 59 % 100 % 100 %
To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
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