Photo credits: ScenTree SAS

Woody > Dry Woods > Violet Flower > Earthy

Beta-dihydroionone

4-(2,6,6-trimethyl-1-cyclohexenyl)butan-2-one ; 4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butanone ; Dihydro beta ionone ; Dihydro ionone beta ; Dihydroionone-beta ; Woody ionone

Photo credits: ScenTree SAS

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General Presentation

CAS N° :
17283-81-7
EINECS number :
241-318-1
FEMA number :
3626
FLAVIS number :
07.131

JECFA number :
394
Volatility :
Heart
Price Range :
€€

Physico chemical properties

Appearance :
Colorless liquid
Density :
0,925
Refractive Index @20°C :
1,479 – 1,485
Optical rotation :
Data not available.
Vapor pressure :
0,0093 hPa @20°C 0,0136 hPa @25°C
Flash Point :
110°C

Molecular formula :
C₁₃H₂₂O
Molecular Weight :
194,32 g/mol
Log P :
4,5
Fusion Point :
311°C
Boiling Point :
100°C (à 0,1 hPa)
Detection Threshold :
3,2772 ng/l air

Chemistry & Uses

Uses in perfumery :

DihydroBeta-Ionone is used in current and fine fragrance, in leather, rosy, red fruits, woody and lily of the valley notes.

Year of discovery :

Data not available.

Natural availability :

DihydroBeta-Ionone is present in several plant extracts, and in particular Champaca Absolute. However, only the synthetic version of this molecule is used.

Isomerism :

DihydroBeta-Ionone is a constitutional isomer of Ambrinol, also prepared with Beta-Ionone, but having a very distinctive animalic smell.

Synthesis precursor :

DihydroBeta-Ionone is not a precursor to the synthesis of another compound of olfactory interest.

Synthesis route :

DihydroBeta-Ionone is synthesized from beta-ionone by a catalytic hydrogenation reaction. This reaction uses a palladium, nickel or platinum catalyst. beta-Ionone, like the other ionones, is synthesized from Citral by a cyclization reaction in the presence of acetone.

Stability :

Stable in perfumes and diverse functional bases, except acid cleaners and very alkaline detergents and bleaches.

Other comments :

The smell of DihydroBeta-Ionone is much more ambery than conventional ionones. It still keeps a note of violet flower, woodier.

Beta-dihydroionone

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

Uses in perfumery :

Year of discovery :

Natural availability :

Isomerism :

Synthesis precursor :

Synthesis route :

Stability :

Other comments :

Regulations & IFRA

Allergens :

IFRA 51^th :

Beta-dihydroionone

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

Uses in perfumery :

Year of discovery :

Natural availability :

Isomerism :

Synthesis precursor :

Synthesis route :

Stability :

Other comments :

Regulations & IFRA

Allergens :

IFRA 51th :

IFRA 51^th :