Photo credits: ScenTree SAS
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General Presentation
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CAS N° : 83-34-1
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EINECS number : 201-471-7
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FEMA number : 3019
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Density : Donnée indisponible.
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Optical rotation : Donnée indisponible
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Allergens : This ingredient does not contain any allergen.
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Refractive Index @20°C : Donnée indisponible
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Volatility : Base
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Price Range : €€€€
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Appearance : White solid
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FLAVIS number : 14.004
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JECFA number : 1304
Information on synthetic ingredients
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Acid Value : Donnée indisponible
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Boiling Point : 266°C (à 255 mmHg)
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Detection Threshold : 0,2 ppb (0,00000002%)
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Molecular formula : C9H9N
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Log P : 2,60
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Molecular Weight : 131,17 g/mol
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Fusion Point : 96°C
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Flash Point : 132°C
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Vapor pressure : Donnée indisponible
Uses
Other comments :
Skatole is more powerful and greedy than Indole but less floral.
Stability :
This compound is well known for synthesizing Schiff bases by reacting espacially with aldehydes. These compounds can have an olfactive interest but are still a source of coloration in perfume concentrates and perfumes besides others. This is why this raw material is used is small quantities.
Uses in perfumery :
Skatole is used in small quantities in leather, woody notes, but less in floral notes than Indole. Brings an animalic facet to all types of accords.
Year of discovery :
1880
Isomerism :
Skatole does not have isomer used in perfumery.
Synthesis precursor :
Skatole is not a precursor to the synthesis of another compound of olfactory interest.
Natural availability :
Skatole is found naturally in some cheeses, among others, but is very little extracted for its use in perfumery. Synthetic skatole is the most used.
Synthesis route :
Skatole is part of the same family of molecules as Indole: the pyroles. These molecules can be synthesized in several ways. In the case of Skatole, a Fischer synthesis is adapted. This reaction consists in reacting phenylhydrazine with propanal, catalysed by a strong acid. Many other synthetic routes exist for this compound, such as the synthesis of Bischler-Möhlau, the Reissert or the Madelung synthesis among others.
Regulations & IFRA
This ingredient is not restricted
