ScenTree, la nouvelle encyclopédie des ingrédients de parfum.

Exploring the branches of scent

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Crédits photo: ScenTree SAS

CAS number :

119-84-6

EINECS number :

204-354-9

FEMA number :

2381

JECFA number :

1171

FLAVIS number :

13.009

Volatility :

Base

Appearance :

Colorless liquid to solid (Fusion Point = 73°F)

Price Range :

€€

Stability :

Stable in perfumes and diverse functional bases

Density :

1.169

Molecular formula :

C₉H₈O₂

Molecular Weight :

148.16 g/mol

Flash Point :

235.4°F (113°C)

Log P :

1

Fusion Point :

73.4°F (23°C)

Boiling Point :

521.6°F (272°C)

Detection Threshold :

Data not available.

Crédits photo: ScenTree SAS

Year of discovery :

Data not available.

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.

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.

Isomerism :

Dihydrocoumarin does not have any isomer used in perfumery.

Natural availability :

Dihydrocoumarin can be extracted in its natural state from several plants, including medicinal tea and Tarragon EO.

Allergens :

This ingredient does not contain any allergen.

For more information on allergens used in perfumery, please consult our article about allergens

IFRA :

This ingredient is not restricted

Annexe I :

Maximum usage according to the product category :
Ingredients containing
Ingredient Name	CAS N°	Estimated Concentration
Benzaldehyde	100-52-7	0,9
Citral	5392-40-5	0,34
Citronellol	106-22-9	12,2
Eugenol	97-53-0	2,3
Geraniol	106-24-1	5
Methyl eugenol	93-15-2	0,5

Restriction type :

RESTRICTION QRA

Cause of restriction :

SENSITIZATION

Amendment :

47

Comments :

Quantitative usage limits :

Cat.1	Cat.2	Cat.3	Cat.4	Cat.5	Cat.6	Cat.7	Cat.8	Cat.9	Cat.10	Cat.11
0,029 %	0,037 %	0,15 %	0,45 %	0,24 %	0,72 %	0,08 %	1,01 %	5 %	2,5 %	Not restricted

Skin contact products		Non skin contact products
Leave on products	Rinse off products	Non skin contact products

Annexe I :

Some regulated synthetic ingredients are found in nature and in certain proportions in natural ingredients. This presence in nature has to be taken into account when calculating limits of use recommended by the IFRA. In case you do not know these concentrations, you can use the ones estimated by the IFRA. Here They are :

List of natural ingredients containing the material presented here
Ingredient Name	Botanical Name	CAS N°	Estimated Concentration
Deertongue leaf absolute	Liatris odoratissima (Walt.) Willd.	68606-82-6	2
Tonka Bean absolute	Dipteryx odorata (Aubl.) Willd.	8024-04-1	0,05

Annexe I :

Maximum usage according to the product category :
Ingredients containing
Ingredient Name	CAS N°	Estimated Concentration
Benzyl alcohol	100-51-6	0,1
Benzaldehyde	100-52-7	1
d,l-Citronellol	106-22-9	6
Geraniol	106-24-1	5
Farnesal	19317-11-4	0,01
Citral	5392-40-5	0,05
Methyl eugenol	93-15-2	0,5
Eugenol	97-53-0	2,3

Restriction type :

RESTRICTION

Cause of restriction :

DERMAL SENSITIZATION AND SYSTEMIC TOXICITY

Amendment :

49

Comments :

Quantitative limit on the use :

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 %	Not restricted

Annexe I :

Some regulated synthetic ingredients are found in nature and in certain proportions in natural ingredients. This presence in nature has to be taken into account when calculating limits of use recommended by the IFRA. In case you do not know these concentrations, you can use the ones estimated by the IFRA. Here They are :

List of natural ingredients containing the material presented here
Ingredient Name	Botanical Name	CAS N°	Estimated Concentration
Deertongue leaf absolute	Liatris odoratissima (Walt.) Willd.	68606-82-6	2
Tonka Bean absolute	Dipteryx odorata	8024-04-2	0,05

To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
To find out the specificities of each category and the ingredients prohibited by IFRA, click article about l'IFRA
ScenTree is solely responsible for the information provided here.

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.

Other names :

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

Other comments :

Dihydrocoumarin does not have a big olfactive difference with Coumarin. This is why it is used as a Coumarin replacer in aromas.