Photo credits: ScenTree SAS
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General Presentation
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CAS N° : 13257-44-8
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EINECS number : 236-249-9
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FEMA number : Donnée indisponible.
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FLAVIS number : Donnée indisponible.
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JECFA number : Donnée indisponible.
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Appearance : Colorless liquid
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Density : 0,88
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Volatility : Heart/Base
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Price Range : €€€€
Physico-chemical properties
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Molecular formula : C11H20O2
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Molecular Weight : 184,27 g/mol
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Log P : 2,94
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Fusion Point : Donnée indisponible.
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Boiling Point : 228,62°C
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Detection Threshold : Donnée indisponible.
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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 : 96°C
Uses
Uses in perfumery :
Provides a fruity pear/apple facet with watery and floral-violet nuances. Please note, that this compound is IFRA-regulated.
Year of discovery :
Data not available.
Natural availability :
Parmavert® is not found in nature.
Isomerism :
Parmavert® is a constitutional isomer of aldehyde C-14 and Citronellyl Formate. However, its smell is quite different from the latter two compounds.
Synthesis precursor :
Parmavert® is not a precursor to the synthesis of another compound of olfactory interest.
Synthesis route :
Parmavert® can be synthesized by an acetalization reaction of nonynaldehyde (nonynal). This reaction puts the aldehyde in the presence of an acid catalyst followed by methanol. This stage leads to the formation of a hemiacetal. The second step is a nucleophilic addition. In an acidic medium, a new methanol molecule can be added to the intermediate molecule to form Parmavert®. The equilibrium of those two reactions can be shifted by using a Dean-Stark separator.
Regulations & IFRA
Allergens :
This ingredient does not contain any allergen.
IFRA 51th :
This ingredient is restricted by the 51th amendment
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Restriction type : RESTRICTION
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Cause of restriction : DERMAL SENSITIZATION
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Amendment : 49
- Quantitative limit on the use :
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Cat.1 Cat.2 Cat.3 Cat.4 Cat.5A B C DCat.6 1,8 % 0,53 % 11 % 9,9 % 2,5 % 2,5 % 2,5 % 2,5 %5,8 % Cat.5A B C DCat.6 2,5 % 2,5 % 2,5 % 2,5 %5,8 % Cat.7A BCat.8 Cat.9 Cat.10A BCat.11A BCat.12 20 % 20 %1 % 19 % 69 % 69 %38 % 38 %No Restriction Cat.10A BCat.11A BCat.12 69 % 69 %38 % 38 %No Restriction
