1-Phenylethyl propionate

Synonym(s):styralyl propionate

CAS NO.：120-45-6
Empirical Formula: C11H14O2
Molecular Weight: 178.23
MDL number: MFCD00009305
EINECS: 204-397-3
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:20:33

What is 1-Phenylethyl propionate?

Description

α-Methylbenzyl propionate has a floral, sweet, green odor typical of gardenia and jasmine. May be prepared by direct esterification of methylphenylcarbinol with propionic acid under azeotropic conditions.

Chemical properties

clear colorless liquid

Chemical properties

α-Methylbenzyl propionate has a floral, sweet, green odor typical of gardenia and jasmine.

Occurrence

Reported found in mint, beer, passionfruit.

The Uses of 1-Phenylethyl propionate

1-Phenylethyl propionate works well in both rose and lily-of-the-valley floral formulations. It is also suitable for jasmine, ylang-ylang, magnolia, carnation, lavender and oriental and woody. It is a modifier and enhancer of floral fragrances. It can also be used in tobacco flavoring and food flavors such as honey, strawberry, raspberry, apricot, peach and other fruity flavors.

Preparation

By direct esterification of methylphenylcarbinol with propionic acid under azeotropic conditions.

Definition

ChEBI: 1-Phenylethyl propanoate is a carboxylic ester. It is functionally related to a benzyl alcohol.

Taste threshold values

Taste characteristics at 10 ppm: citrus and green with tropical fruity nuances.

Properties of 1-Phenylethyl propionate

Melting point:	-60°C
Boiling point:	91-92 °C5 mm Hg
Density	1.007 g/mL at 25 °C
refractive index	n20/D 1.4905
FEMA	2689 \| ALPHA-METHYLBENZYL PROPIONATE
Flash point:	202 °F
storage temp.	Sealed in dry,Room Temperature
Odor	at 100.00 %. fresh sweet floral rose gardenia green weedy
Water Solubility	0.04 g/L (20 ºC)
JECFA Number	802
CAS DataBase Reference	120-45-6(CAS DataBase Reference)
EPA Substance Registry System	Benzenemethanol, .alpha.-methyl-, propanoate (120-45-6)

Safety information for 1-Phenylethyl propionate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.