Allyl alpha-ionone (CAS N° 79-78-7)​

Photo credits: ScenTree SAS

Allyl alpha-ionone

Cetone V® ; Hexalon® ; 1-(2,6,6-trimethyl-1-cyclohex-2-enyl)hepta-1,6-dien-3-one ; Ketone V® ; Allyl ionone ; Tropical ionone

Allyl alpha-ionone (CAS N° 79-78-7)​

Photo credits: ScenTree SAS

Company Ingredient Name ID Comments Naturality Certifications MOQ Purity
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ALLYL IONONE - Learn more Je me procure cet ingrédient - 10 grs -

ALLYL IONONE

Certifications :

Information Générales

General Presentation

  • CAS N° :

    79-78-7
  • EINECS number :

    201-225-9
  • FEMA number :

    2033
  • FLAVIS number :

    07.061
  • JECFA number :

    401
  • Volatility :

    Base
  • Price Range :

    €€€
Physico-chemical properties

Physico-chemical properties

  • Appearance :

    Colorless liquid
  • Density :

    0,931
  • Refractive Index @20°C :

    1.503 - 1.507
  • Optical rotation :

    Data not available.
  • Vapor pressure :

    0.0999 mmHg @20°C 0.000566 mmHg @23°C
  • Flash Point :

    100°C (212°F)
  • Molecular formula :

    C16H24O
  • Molecular Weight :

    232,37 g/mol
  • Log P :

    5,3
  • Fusion Point :

    Donnée indisponible.
  • Boiling Point :

    265°C (509°F)
  • Detection Threshold :

    15,53 ng/l air
Utilisation

Chemistry & 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.

Stability :

Stable in perfumes and diverse functional bases, except antiperspirants and alkaline products such as detergents or bleach.

Other comments :

In comparision to Alpha-Ionone and Beta-Ionone for example, Allyl Alpha-Ionone has a much more fruity note.

Utilisation

IFRA

IFRA 51th :

This ingredient is not restricted for the 51th amendment

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