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General Presentation
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CAS N° : 166432-52-6
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EINECS number : 417-840-2
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FEMA number : --
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FLAVIS number : Donnée indisponible.
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JECFA number : Donnée indisponible.
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Appearance : Colorless to pale yellow liquid
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Density : 0,845 - 0,855
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Volatility : Head
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Price Range : Data not available.
Physico-chemical properties
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Molecular formula : C11H16
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Molecular Weight : 148,24 g/mol
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Log P : 5,11
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Fusion Point : Donnée indisponible.
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Boiling Point :
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Detection Threshold : 1,1 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 : 77°C
Uses
Uses in perfumery :
It can replace Methyl Octine or Methyl Heptine Carbonate, or be used as a new fresh green note.
A very stable and powerful green violet leaf note with a unique cucumber or bell pepper aspect.
Year of discovery :
1978 Brevet EP 0694604 registered in 1997 by Firmenich & CIE
Natural availability :
Violettyne is not available in its natural state
Isomerism :
1,3-undecadien-5-yne (Violettyne) is present as either one of its (E) or (Z) configuration isomers or as a mixture of the two. In the case of a mixture, the (E) form has to takes the majority.
Synthesis precursor :
Violettyne is a synthesis intermediary for galbanolene (1,3,5-undecatriene) and its isomers.
Synthesis route :
Full synthesis detailed here : https://doi.org/10.1002/hlca.19750580406
Regulations & IFRA
Allergens :
This ingredient does not contain any allergen.
IFRA 51th :
This ingredient is not restricted for the 51th amendment
