(E)-Beta-ionone (CAS N° 79-77-6)​

Photo credits: ScenTree SAS

Floral > Powdery Flowers > Violet Flower > Earthy

(E)-Beta-ionone

(E)-4-[(5R)-5,6,6-trimethylcyclohexen-1-yl]but-3-en-2-one ; (E)-4-(2,6,6-trimethylcyclohexen-1-yl)but-3-en-2-one

(E)-Beta-ionone (CAS N° 79-77-6)​

Photo credits: ScenTree SAS

Company Ingredient Name ID Comments Naturality Certifications Purity Latin name Treated part Geographical origin MOQ
Quosentis logo
Ionone Beta - 30 Gr - Visit website Je me procure cet ingrédient - - - - - -
BASF logo
Beta-Ionone R 30035178 Visit website Je me procure cet ingrédient Molecule - - - - -
BASF logo
Beta-Ionone R BMBcert™ 30785404 Visit website Je me procure cet ingrédient Molecule - - - - -

Ionone Beta - 30 Gr

Certifications :

Beta-Ionone R

ID : 30035178

Certifications :

Beta-Ionone R BMBcert™

ID : 30785404

Certifications :

Information Générales

General Presentation

  • CAS N° : 79-77-6

  • EINECS number : 201-224-3

  • FEMA number : 2595

  • FLAVIS number : Donnée indisponible.

  • JECFA number : 389

  • Appearance : Colorless liquid

  • Density : 0,945

  • Volatility : Heart/Base

  • Price Range : €€

Physico-chemical properties

  • Molecular formula : C13H20O

  • Molecular Weight : 192,3 g/mol

  • Log P : 4

  • Fusion Point : -35°C

  • Boiling Point : 127°C (à 16 hPa)

  • Detection Threshold : Donnée indisponible.

  • Optical rotation : Donnée indisponible

  • Vapor pressure : Donnée indisponible

  • Refractive Index @20°C : Donnée indisponible

  • Acid Value : Donnée indisponible.

  • Flash Point : 129°C

Utilisation

Uses

Uses in perfumery :

Beta-Ionone is used in violet flower reproductions, in floral and fruity notes (blackcurrant, blackberry). Gives a powdery effect and provides a ''retro '' image to women's perfumes. Provides a floral sweetness. Very good binder. To be combined with Bergamot EO, Hedione® and Beta-Damascone® for a ''tea '' scheme.

Year of discovery :

This discovery was made in 1896, starting from Irones, isolated from orris butter. Ionones were discovered randomly, when a laboratory assistant added sulfuric acid to dishwash a glass containing a wrong intermediary to irone synthesis.

Natural availability :

Beta-Ionone is present in sweet acacia or Osmanthus Absolute from which it can be extracted in its natural state. In most cases, it is the synthetic beta-Ionone that is used in perfumery.

Isomerism :

Beta-Ionone is obtained during the cyclization step of Pseudoionone, using phosphoric acid instead of sulfuric acid, in a catalytic amount. gamma-Ionone is obtained by using boron trifluoride as a catalyst. Alpha-Damascone® and beta-Damascone are positional isomers of Ionones. Their ketone function as well as a methyl group are in different parts of the molecule. Their smell is modified: Damascone® have a smell of cooked apple instead of violet.

Synthesis precursor :

beta-Ionone is a precursor to the synthesis of DihydroBeta-Ionone and Ambrinol (thermolysis reaction).

Synthesis route :

Today, the synthesis of Ionones is made from Citral, by reaction with acetone. The category of compounds obtained is called Pseudoionone. The cyclization of Pseudoionones into Ionones is done in an acid medium. Sulfuric acid is the most preferable acid for synthesizing beta-ionone. The yield of this cyclization is clearly in favor of this isomer. In general, each Ionone synthesis results in the formation of isomers of the desired molecule. In the case of beta-Ionone, a purity of about 92% can be achieved on an industrial scale.

Utilisation

Regulations & IFRA

Allergens :

This ingredient does not contain any allergen.

IFRA 51th :

This ingredient is not restricted for the 51th amendment

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