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General Presentation
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CAS N° : 79-78-7
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EINECS number : 201-225-9
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FEMA number : 2033
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FLAVIS number : 07.061
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JECFA number : 401
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Appearance : Colorless liquid
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Density : 0,931
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Volatility : Base
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Price Range : €€€
Physico-chemical properties
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Molecular formula : C16H24O
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Molecular Weight : 232,37 g/mol
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Log P : 5,3
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Fusion Point : Donnée indisponible.
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Boiling Point : 265°C
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Detection Threshold : 15,53 ng/l air
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Optical rotation : Donnée indisponible
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Vapor pressure : Donnée indisponible
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Refractive Index @20°C : Donnée indisponible
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Acid Value : Donnée indisponible.
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Flash Point : 100°C
Uses
Uses in perfumery :
Allyl Alpha-Ionone is used in all types of fragrances, for fruity notes. To be combined with other ionones, lactones, woody-ambergris, coniferous, masculine and chypre notes. Gives body and diffusion to the fragrance.
Year of discovery :
1948
Natural availability :
Allyl Alpha-Ionone is not available in its natural state.
Isomerism :
The Allyl alpha-Ionone used in perfumery is a racemic mixture of cis and trans diastereoisomers of the molecule.
Synthesis precursor :
Allyl alpha-Ionone is not a precursor to the synthesis of another compound of olfactory interest.
Synthesis route :
Allyl alpha-Ionone is a pseudoionone synthesized by route similar to conventional ionones. Instead of being the result of a condensation between Citral and acetone, Allyl alpha-Ionone results from a condensation between Citral and allyl acetone. An acid treatment allows to cyclize the intermediate product that is obtained during the previous process.
Regulations & IFRA
Allergens :
This ingredient does not contain any allergen.
IFRA 51th :
This ingredient is not restricted for the 51th amendment
