Dihydrocoumarin
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
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EINECS number : 204-354-9
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FEMA number : 2381
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Density : 1,169
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Optical rotation : Lorem Ipsum
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Allergens : This ingredient does not contain any allergen.
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Refractive Index @20°C : Lorem Ipsum
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Volatility : Base
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Price Range : €€
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Appearance : Colorless liquid to solid
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FLAVIS number : 13.009
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JECFA number : 1171
Information on synthetic ingredients
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Acid Value : Lorem Ipsum
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Boiling Point : 272°C
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Detection Threshold : Donnée indisponible.
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Molecular formula : C9H8O2
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Log P : 1
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Molecular Weight : 148,16 g/mol
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Fusion Point : 23°C
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Flash Point : 113°C
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Vapor pressure : Lorem Ipsum
Uses
Other comments :
Dihydrocoumarin does not have a big olfactive difference with Coumarin. This is why it is used as a Coumarin replacer in aromas.
Stability :
Stable in perfumes and diverse functional bases
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.
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.
Natural availability :
Dihydrocoumarin can be extracted in its natural state from several plants, including medicinal tea and Tarragon EO.
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.
Regulations & IFRA
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IFRA 51th : This ingredient is restricted by IFRA
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Restriction type : RESTRICTION
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Cause of restriction : DERMAL SENSITIZATION AND SYSTEMIC TOXICITY
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Amendment : 49
- Quantitative limit on the use :
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Cat.1 Cat.2 Cat.3 Cat.4 Cat.5A Cat.5B Cat.5C Cat.5D Cat.6 0,077 % 0,023 % 0,46 % 0,43 % 0,11 % 0,11 % 0,11 % 0,03 % 0,25 % Cat.7A Cat.7B Cat.8 Cat.9 Cat.10A Cat.10B Cat.11A Cat.11B Cat.12 0,88 % 0,88 % 0,03 % 0,84 % 0,84 % 3 % 0,03 % 0,03 % No Restriction
