Phenoxyethyl isobutyrate

CAS NO.：103-60-6
Empirical Formula: C12H16O3
Molecular Weight: 208.25
MDL number: MFCD00027363
EINECS: 203-127-1
SAFETY DATA SHEET (SDS)
Update Date: 2025-09-25 17:15:13

What is Phenoxyethyl isobutyrate?

Chemical properties

It is a colorless liquid with a sweet, floral, fruity odor.
The ester is prepared by esterification of 2-phenoxyethanol with isobutyric acid and is used as a fixative in perfumes (rose and lavender types) as well as for fruity notes.

Chemical properties

2-Phenoxyethyl isobutyrate has a rose-like and honey odor and a sweet, fruity (peach-like) taste.

Occurrence

Has apparently not been reported to occur in nature.

The Uses of Phenoxyethyl isobutyrate

2-Phenoxyethyl isobutyrate is a member of the fragrance structural group Aryl Alkyl Alcohol Simple Acid Esters

Preparation

From the corresponding phenoxyethyl alcohol and isobutyric acid in the presence of boric acid in benzene solution.

Definition

ChEBI: 2-Phenoxyethyl isobutyrate is an aromatic ether.

Taste threshold values

Taste characteristics at 50 ppm: green and fruity with waxy, apple nuances.

Flammability and Explosibility

Non flammable

Trade name

Phenirat (Symrise)

Safety Profile

Low toxicity by ingestion and skin contact. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes

Properties of Phenoxyethyl isobutyrate

Boiling point:	125-127 °C4 mm Hg(lit.)
Density	1.044 g/mL at 25 °C(lit.)
vapor pressure	0.77Pa at 25℃
FEMA	2873 \| 2-PHENOXYETHYL ISOBUTYRATE
refractive index	n20/D 1.493(lit.)
Flash point:	>230 °F
storage temp.	Sealed in dry,Room Temperature
form	clear liquid
color	Colorless liquid
Odor	honey, roselike odor
Water Solubility	196mg/L at 20℃
JECFA Number	1028
CAS DataBase Reference	103-60-6(CAS DataBase Reference)
NIST Chemistry Reference	2-Phenoxyethyl isobutyrate(103-60-6)
EPA Substance Registry System	Phenoxyethyl isobutyrate (103-60-6)