Photo credits: ScenTree SAS

Fruity > Tropical Fruits > Violet Flower > Green

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

Photo credits: ScenTree SAS

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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

Appearance :
Colorless liquid
Density :
0,931
Refractive Index @20°C :
1,503 – 1,507
Optical rotation :
Data not available.
Vapor pressure :
0,1333 hPa @20°C 0,000566 mmHg @23°C
Flash Point :
100°C

Molecular formula :
C₁₆H₂₄O
Molecular Weight :
232,37 g/mol
Log P :
5,3
Fusion Point :
Donnée indisponible.
Boiling Point :
265°C
Detection Threshold :
15,53 ng/l air

Chemistry & Uses

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.

Allyl alpha-ionone

I buy this ingredient

General Presentation

CAS N° :

EINECS number :

FEMA number :

FLAVIS number :

JECFA number :

Volatility :

Price Range :

Physico chemical properties

Appearance :

Density :

Refractive Index @20°C :

Optical rotation :

Vapor pressure :

Flash Point :

Molecular formula :

Molecular Weight :

Log P :

Fusion Point :

Boiling Point :

Detection Threshold :

Chemistry & Uses

Year of discovery :

Natural availability :

Isomerism :

Synthesis precursor :

Synthesis route :

Stability :

Other comments :

Regulations & IFRA

Allergens :

IFRA 51^th :

Allyl alpha-ionone

I buy this ingredient

I buy this ingredient

General Presentation

CAS N° :

EINECS number :

FEMA number :

FLAVIS number :

JECFA number :

Volatility :

Price Range :

Physico chemical properties

Appearance :

Density :

Refractive Index @20°C :

Optical rotation :

Vapor pressure :

Flash Point :

Molecular formula :

Molecular Weight :

Log P :

Fusion Point :

Boiling Point :

Detection Threshold :

Chemistry & Uses

Year of discovery :

Natural availability :

Isomerism :

Synthesis precursor :

Synthesis route :

Stability :

Other comments :

Regulations & IFRA

Allergens :

IFRA 51th :

IFRA 51^th :