CITRONELLYL ISOBUTYRATE Chemical Properties

Melting point:

-22.4°C (estimate)

Boiling point:

253 °C(lit.)

Density 

0.875 g/mL at 25 °C(lit.)

vapor pressure 

1.9Pa at 25℃

FEMA 

2313 | CITRONELLYL ISOBUTYRATE

refractive index 

n20/D 1.442(lit.)

Flash point:

>230 °F

Odor

at 100.00 %. sweet fruity floral geranium tropical

Odor Type

fruity

JECFA Number

71

LogP

5.415 at 25℃

EPA Substance Registry System

Citronellyl isobutyrate (97-89-2)

Safety Information

WGK Germany 

2

MSDS

• Language:English Provider:SigmaAldrich

CITRONELLYL ISOBUTYRATE Usage And Synthesis

Aroma

CITRONELLYL ISOBUTYRATE has fresh, almost citrusy-rosy, intensely fruity and sweet odor, lighter than that of the n-Butyrate, not as warm or deep. Fruity-rosy, somewhat Bergamot-like taste of modest sweetness.

Uses in Perfume

CITRONELLYL ISOBUTYRATE can be used in perfume compositions for Geranium, Rose, Muguet, Freesia, Peony, Acacia, Lilac, Hyacinth, Bergamot, etc. and as a modifier for lower esters of Citronellol in floral and fruity-floral, stveet fragrance types. Used in flavor compositions for imitation Grape, Quince, Raspberry, Strawberry, Rose, and in a variety of "floral" flavor types. Concentration is usually only traces (a few ppm) in the finished product.

Chemical Properties

Citronellyl isobutyrate has a sweet, fruity and rose-like odor with a slightly sweet, apricot-like taste.

Physical properties

Colorless liquid. Almost insoluble in water and Propylene glycol, soluble in alcohol and oils. Sp.Gr. 0.88. B.P. 249°C.

Occurrence

Reported in Ceylon citronella oil.

Definition

ChEBI: Citronellyl isobutyrate is a carboxylic ester.

Preparation

By direct esterification of citronellol with isobutyric acid via azeotropic conditions or using isobutyric anhydride.

Taste threshold values

Taste characteristics at 25 ppm: waxy, fruity, green, with a citrus and tropical nuance.

Flammability and Explosibility

Not classified

CITRONELLYL ISOBUTYRATE(97-89-2)Related Product Information

• Isobutyric acid
• Vanillin isobutyrate
• Benzyl isobutyrate
• Ethyl isobutyrylacetate
• METHYL-2-BUTYL-ISO-BUTYRATE
• DIMETHYL BENZYL CARBINYL ISOBUTYRATE
• DODECYL ISOBUTYRATE
• LINALYL ISOBUTYRATE
• AMYL ISOBUTYRATE
• HEPTYL ISOBUTYRATE
• OCTYL ISOBUTYRATE
• Hexyl isobutyrate
• NERYL ISOBUTYRATE
• Sucrose acetate isobutyrate
• Methyl isobutyrate
• Citronellyl Formate
• CITRONELLYL PROPIONATE
• Methyl isobutyrylacetate