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Geranyl propionate (CAS N° 105-90-8)​

Photo credits: ScenTree SAS

Floral > Rosy > Green Fruits > Citric

Geranyl propionate

Geranyl Propanoate ; (2E)-3,7-dimethylocta-2,6-dienyl Propanoate ; (2E)-3,7-dimethylocta-2,6-dienyl propionate ; (E)-3,7-dimethyl-2,6-octadien-1-yl propionate ; (E)-3,7-dimethyl-2,6-octadien-1-yl propanoate

Geranyl propionate (CAS N° 105-90-8)​

Photo credits: ScenTree SAS

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Information Générales

General Presentation

  • CAS N° : 105-90-8

  • EINECS number : 203-344-1

  • FEMA number : 2517

  • Density : 0,899

  • Optical rotation : Donnée indisponible

  • Allergens : This ingredient does not contain any allergen.

  • Refractive Index @20°C : Donnée indisponible

  • Volatility : Heart

  • Price Range : €€

  • Appearance : Colorless liquid

  • FLAVIS number : 09.128

  • JECFA number : 62

Information on synthetic ingredients

  • Acid Value : Donnée indisponible

  • Boiling Point : 252°C

  • Detection Threshold : Donnée indisponible.

  • Molecular formula : C13H22O2

  • Log P : 4,2

  • Molecular Weight : 210,32 g/mol

  • Fusion Point : Donnée indisponible.

  • Flash Point : 113°C

  • Vapor pressure : Donnée indisponible

Utilisation

Uses

Other comments :

Geranyl Propionate is more etheric and less used than Geranyl acetate.

Stability :

May form propionic acid through time under the effect of heat.

Uses in perfumery :

Geranyl Propionate is used to bring a fruity note to accords of rose, lilac, lily of the valley and heady flowers.

Year of discovery :

Data not available.

Isomerism :

Neryl Propionate, the diastereoisomer of Geranyl Propionate, is greener and jammy. It is also synthesized in the same way, from Nerol. Lyral® is a constitutional isomer of the Geranyl Propionate. The smell is however less rosy, although it is also floral.

Synthesis precursor :

Geranyl Propionate is not a precursor to the synthesis of another compound of olfactory interest.

Natural availability :

Geranyl Propionate is present in Geranium EO and Verbena EO in low proportions, despite of what, it still can be extracted, even though, the synthetic compound is the most often used in perfumery.

Synthesis route :

Geranyl Propionate is an ester synthesized by esterification between propanoic acid and Geraniol (synthesized in several possible ways, see Geraniol). This reaction is catalysed by concentrated sulfuric acid, for example, used here to initiate the reaction.

Utilisation

Regulations & IFRA

This ingredient is not restricted

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