Photo credits: ScenTree SAS
Dihydrocoumarin
Balsamic Ambery > Coumarinic
Chroman-2-one ; Benzo dihydro pyrone ; Benzo dihydropyrone ; 1,2-benzodihydropyrone ; Dihydrobenzopyranone ; 2-oxo-chroman ; 2-chromanone ; Dihydro coumarin ; 3,4-dihydro-1-benzopyran-2-one ; Dihydrobenzopyrone ; Hydrocoumarin ; Melilotic acid lactone ; Melilotic lactone ; Melilotine ; Melilotol
Photo credits: ScenTree SAS
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General Presentation
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CAS N° :
119-84-6 -
EINECS number :
204-354-9 -
FEMA number :
2381 -
FLAVIS number :
13.009
-
JECFA number :
1171 -
Volatility :
Base -
Price Range :
€€
Physico-chemical properties
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Appearance :
Colorless liquid to solid -
Density :
1,169 -
Refractive Index @20°C :
1.555 - 1.559 -
Optical rotation :
Data not available. -
Vapor pressure :
< 0.075 mmHg @20°C -
Flash Point :
113°C (235,4°F)
-
Molecular formula :
C9H8O2 -
Molecular Weight :
148,16 g/mol -
Log P :
1 -
Fusion Point :
23°C (73,4°F) -
Boiling Point :
272°C (521,6°F) -
Detection Threshold :
Donnée indisponible.
Chemistry & Uses
Uses in perfumery :
Dihydrocoumarin is not so used in perfumery, but widely used in aromas because Coumarin is not edible. Gives a base to fruity notes, gives a dried fruits note. Used in vanilla flavours, alternating with tonka bean and Peru balsam. Used in white chocolate notes to counterbalance acids.
Year of discovery :
Data not available.
Natural availability :
Dihydrocoumarin can be extracted in its natural state from several plants, including medicinal tea and Tarragon EO.
Isomerism :
Dihydrocoumarin does not have any isomer used in perfumery.
Synthesis precursor :
Dihydrocoumarin can mediate the synthesis of Hexahydrocoumarin or Octahydrocoumarin. The hydrogenation which allows to obtain these products must be made with the appropriate catalyst and conditions.
Synthesis route :
Dihydrocoumarin is synthesized from coumarin, by a Raney nickel catalysed hydrogenation reaction. On the other hand, Hexahydrocoumarin can be dehydrogenated during the vapor phase, with a palladium catalysis in order to obtain Dihydrocoumarin.
Stability :
Stable in perfumes and diverse functional bases
IFRA
IFRA 51th :
This ingredient is restricted by the 51th amendment
-
Restriction type :
RESTRICTION -
Cause of restriction :
DERMAL SENSITIZATION AND SYSTEMIC TOXICITY -
Amendment :
51
- Quantitative limit on the use :
-
Cat.1 Cat.2 Cat.3 Cat.4 Cat.5A B C DCat.6 0,038 % 0,011 % 0,23 % 0,21 % 0,053 % 0,053 % 0,053 % 0,018 %0,12 % Cat.5A B C DCat.6 0,053 % 0,053 % 0,053 % 0,018 %0,12 % Cat.7A BCat.8 Cat.9 Cat.10A BCat.11A BCat.12 0,43 % 0,43 %0,018 % 0,41 % 1,5 % 1,5 %0,018 % 0,018 %No restriction Cat.10A BCat.11A BCat.12 1,5 % 1,5 %0,018 % 0,018 %No restriction
