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Dihydrocoumarin (CAS N° 119-84-6)​

Photo credits: ScenTree SAS

Balsamic Ambery > Coumarinic

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

Dihydrocoumarin (CAS N° 119-84-6)​

Photo credits: ScenTree SAS

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Information Générales

General Presentation

  • CAS N° : 119-84-6

  • EINECS number : 204-354-9

  • FEMA number : 2381

  • Density : 1,169

  • Optical rotation : Donnée indisponible

  • Allergens : This ingredient does not contain any allergen.

  • Refractive Index @20°C : Donnée indisponible

  • Volatility : Base

  • Price Range : €€

  • Appearance : Colorless liquid to solid

  • FLAVIS number : 13.009

  • JECFA number : 1171

Information on synthetic ingredients

  • Acid Value : Donnée indisponible

  • Boiling Point : 272°C

  • Detection Threshold : Donnée indisponible.

  • Molecular formula : C9H8O2

  • Log P : 1

  • Molecular Weight : 148,16 g/mol

  • Fusion Point : 23°C

  • Flash Point : 113°C

  • Vapor pressure : Donnée indisponible

Utilisation

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.

Utilisation

Regulations & IFRA

  • IFRA 51th : This ingredient is restricted by IFRA

  • 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
0,077 % 0,023 % 0,46 % 0,43 %
0,11 % 0,11 % 0,11 % 0,03 %
0,25 %
Cat.5
A B C D
Cat.6
0,11 % 0,11 % 0,11 % 0,03 %
0,25 %
Cat.7
A B
Cat.8 Cat.9
Cat.10
A B
Cat.11
A B
Cat.12
0,88 % 0,88 %
0,03 % 0,84 %
0,84 % 3 %
0,03 % 0,03 %
No Restriction
Cat.10
A B
Cat.11
A B
Cat.12
0,84 % 3 %
0,03 % 0,03 %
No Restriction
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