Skatole (CAS N° 83-34-1)​

Photo credits: ScenTree SAS

Skatole

Animalic > Feacal

3-Methyl Indole ; 3-methyl-1H-indole ; 3-methyl-4,5-benzopyrrole ; 3-methylindole ; Scatol

Skatole (CAS N° 83-34-1)​

Photo credits: ScenTree SAS

Company Ingredient Name ID Comments Naturality Certifications MOQ Purity
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SCATOLE 1% IPM SC1IPM-1 Visit website Je me procure cet ingrédient - 10 grs -

SCATOLE 1% IPM

ID : SC1IPM-1

Certifications :

Information Générales

General Presentation

  • CAS N° :

    83-34-1
  • EINECS number :

    201-471-7
  • FEMA number :

    3019
  • FLAVIS number :

    14.004
  • JECFA number :

    1304
  • Volatility :

    Base
  • Price Range :

    €€€€
Physico-chemical properties

Physico-chemical properties

  • Appearance :

    White solid
  • Density :

    Solide
  • Refractive Index @20°C :

    Donnée indisponible.
  • Optical rotation :

    Donnée indisponible.
  • Vapor pressure :

    Donnée indisponible.
  • Flash Point :

    132°C (269,6°F)
  • Molecular formula :

    C9H9N
  • Molecular Weight :

    131,17 g/mol
  • Log P :

    2,60
  • Fusion Point :

    96°C (204,8°F)
  • Boiling Point :

    266°C (510,8°F)
  • Detection Threshold :

    0,2 ppb (0,00000002%)
Utilisation

Chemistry & Uses

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

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.

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.

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.

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.

Other comments :

Skatole is more powerful and greedy than Indole but less floral.

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