Photo credits: ScenTree SAS

Green > Crisp Green > Tropical Fruits

Dynascone®

1-(5,5-dimethyl-1- cyclohexen-1-yl)-4-Penten-1-one
Same molecule as Alpha-neobutenone® and Galbascone® but obtained by a different synthesis road.

Photo credits: ScenTree SAS

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General Presentation

CAS N° : 56973-85-4
EINECS number : 260-486-7
FEMA number : Donnée indisponible.
FLAVIS number : Donnée indisponible.
JECFA number : Donnée indisponible.

Appearance : Colorless to pale yellow liquid
Density : 1,008 - 1,016 @20°C
Volatility : Base
Price Range : €€€€

Physico-chemical properties

Molecular formula : C₁₃H₂₀O
Molecular Weight : 192,3 g/mol
Log P : 3,89
Fusion Point : Donnée indisponible.
Boiling Point :
Detection Threshold : Donnée indisponible.

Optical rotation : Donnée indisponible
Vapor pressure : Donnée indisponible
Refractive Index @20°C : Donnée indisponible
Acid Value : Donnée indisponible.
Flash Point : >100°C (>212°F)

Uses

Uses in perfumery :

Dynascone® is used in in all types of fragrances to give unique green, floral and fruity effects. It works very well for green notes such as cis-3-hexenol or galbanum but be careful, this raw material is very powerful and have an important volume. Very interesting for works around yellow fruits (bananas, pineapple) or for floral undertones in hyacinth, lilac ou lilly of the valley.

Year of discovery :

Discovered in 1972 as a by-product during alpha-damascone® synthesis. Firmenich intern captive since 1974. ''Dynascone® '' tradename has been published and protected by Firmenich SA since 16/10/1991 (brand N°577667)

Natural availability :

Dynascone® is not available naturaly

Isomerism :

Dynascone® may have two isomeric forms : Alpha-Dynascone® and Beta-Dynascone®. The alpha one is mainly used because of it is more green, powerful and linear.

Synthesis precursor :

Data not available.

Synthesis route :

Data not available.

Regulations & IFRA

Allergens :

This ingredient does not contain any allergen.

IFRA 51^th :

This ingredient is restricted by the 51th amendment

Restriction type : RESTRICTION

Cause of restriction : DERMAL SENSITIZATION AND SYSTEMIC TOXICITY

Amendment : 49

Quantitative limit on the use :

Cat.1	Cat.2	Cat.3	Cat.4	Cat.5 A B C D		Cat.6
0,19 %	0,057 %	0,18 %	1,1 %	0,27 % 0,27 % 0,27 % 0,091 %		0,54 %
Cat.5 A B C D			Cat.6
0,27 % 0,27 % 0,27 % 0,091 %			0,54 %
Cat.7 A B		Cat.8	Cat.9	Cat.10 A B	Cat.11 A B	Cat.12
0,54 % 0,54 %		0,091 %	1,4 %	1,4 % 3,4 %	0,091 % 0,091 %	No Restriction
Cat.10 A B	Cat.11 A B	Cat.12
1,4 % 3,4 %	0,091 % 0,091 %	No Restriction

Dynascone®

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General Presentation

CAS N° : 56973-85-4

EINECS number : 260-486-7

FEMA number : Donnée indisponible.

FLAVIS number : Donnée indisponible.

JECFA number : Donnée indisponible.

Appearance : Colorless to pale yellow liquid

Density : 1,008 - 1,016 @20°C

Volatility : Base

Price Range : €€€€

Physico-chemical properties

Molecular formula : C13H20O

Molecular Weight : 192,3 g/mol

Log P : 3,89

Fusion Point : Donnée indisponible.

Boiling Point :

Detection Threshold : Donnée indisponible.

Optical rotation : Donnée indisponible

Vapor pressure : Donnée indisponible

Refractive Index @20°C : Donnée indisponible

Acid Value : Donnée indisponible.

Flash Point : >100°C (>212°F)