Isocyclocitral®
Synthétique
Green > Cut Grass > Mushroom
Crédits photo: ScenTree SAS
Other names :
2,4,6-trimethylcyclohex-3-ene-1-carbaldehyde ; Isocyclo citral ; Isocyclovert ; Isoleaf ; 1-formyl-3,5,6-trimethyl-3-cyclohexene
Volatility :
Head
Uses in perfumery :
Isocyclocitral® is used in chypre and fougere perfumes, in woody, carnation, geranium, honeysuckle and tomato leaf notes.
Natural availability :
Isocyclocitral® is not available in its natural state.
Year of discovery :
Data not available.
Other comments :
Isocyclocitral® is much different from other cut grass smell as Triplal® because of its powerful mushroom identity.
Price Range :
€€
Stability :
Aldehydes may form diethylacetals in alcoholic perfumes, with no real impact on their smell.
Crédits photo: ScenTree SAS
- Molecular formula :
- C10H16O
- Molecular Weight :
- 152,24 g/mol
- Density :
- 0,922
- Flash Point :
- 66°C
- Fusion Point :
- -20°C
- Appearance :
- Colorless liquid
- Log P :
- 3,1
- Boiling Point :
- 203°C
- Detection Threshold :
- 5,2547 ng/l
Synthesis route :
The molecule of Isocyclocitral® can be synthesized by a Diels-Alder reaction between 2-butenal and 2-methylpenta-1,3-diene.
Synthesis precursor :
Isocyclocitral® forms a Schiff base by reaction with Methyl Anthranilate. The resulting compound is quite woody and close to orange blossom.
Isomerism :
Isocyclocitral® contains three asymmetric carbons that give various conformational possibilities. As the reagents used for its synthesis are mixtures of diastereoisomers, it is a mixture of isomers that is used in perfumery. Citral is a constitutional isomer of Isocyclocitral®. Nevertheless, its smell is much more hesperidated and less green.
- EINECS number :
- 215-638-7
- FEMA number :
- Donnée indisponible.
- JECFA number :
- Donnée indisponible.
- FLAVIS number :
- 05.157
- Allergens :
- This ingredient does not contain any allergen.
- IFRA :
- This ingredient is restricted by IFRA
- Restriction type :
- RESTRICTION
- Cause of restriction :
- DERMAL SENSITIZATION
- Amendment :
- 49
- Quantitative limit on the use :
-
Cat.1 Cat.2 Cat.3 Cat.4 Cat.5A Cat.5B Cat.5C Cat.5D Cat.6 0,54 % 0,16 % 3,2 % 3 % 0,76 % 0,76 % 0,76 % 0,76 % 1,8 % Cat.7A Cat.7B Cat.8 Cat.9 Cat.10A Cat.10B Cat.11A Cat.11B Cat.12 6,1 % 6,1 % 0,32 % 5,9 % 21 % 21 % 12 % 12 % No Restriction - Restriction type :
- RESTRICTION
- Cause of restriction :
- DERMAL SENSITIZATION
- Amendment :
- 49
- Comments :
- The Standard is set due to the phototoxic effects of Angelica root oil. For more detailed information on the application of this Standard, please refer to the note on phototoxic ingredients in chapter 1 of the Guidance for the use of IFRA Standards. If the level of furocoumarins is unknown, the restriction level specified in this IFRA Standard applies. Combination effects of phototoxic ingredients are only taken into consideration for the furocoumarin-containing fragrance ingredients (extracts) listed in the IFRA Standard of Citrus oils and other furocoumarins containing essential oils. If combinations of furocoumarin-containing phototoxic fragrance ingredients (extracts) are used, the use levels must be reduced accordingly. The sum of the concentrations of all furocoumarin-containing phototoxic fragrance ingredients (extracts), expressed in of their recommended upper concentration level in the consumer product shall not exceed 100.
- 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 0,54 % 0,16 % 3,2 % 3 % 0,76 % 1,8 % 6,1 % 0,32 % 5,9 % 21 % 12 %
To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
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