P-TOLYL ISOBUTYRATE Chemical Properties

Boiling point:

237 °C(lit.)

Density 

0.993 g/mL at 25 °C(lit.)

FEMA 

3075 | P-TOLYL ISOBUTYRATE

refractive index 

n20/D 1.487(lit.)

Flash point:

205 °F

form 

clear liquid

color 

Colorless to Light yellow

Odor

at 1.00 % in dipropylene glycol. animal floral lily narcissus green fruity

Odor Type

animal

JECFA Number

701

LogP

2.89

EPA Substance Registry System

Propanoic acid, 2-methyl-, 4-methylphenyl ester (103-93-5)

Safety Information

WGK Germany 

2

RTECS 

NQ5460000

HS Code 

29156000

Toxicity

The acute oral LD₅₀ value in rats was reported as 4 ml/kg (3.53-4.58 ml/kg) and the acute dermal LD₅₀ value in rabbits as 3.97 ml/kg (Levenstein, 1974).

MSDS

• Language:English Provider:SigmaAldrich

P-TOLYL ISOBUTYRATE Usage And Synthesis

Chemical Properties

p-Tolyl isobutyrate has a very strong, lily-narcissus odor.

Occurrence

Has apparently not been reported to occur in nature.

Uses

Flavoring.

Preparation

By esterification of p-cresol with isobutyric acid.

Definition

ChEBI: P-Tolyl isobutyrate is a benzoate ester and a member of phenols.

Safety Profile

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

P-TOLYL ISOBUTYRATE(103-93-5)Related Product Information

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• Phenethyl isobutyrate
• Methyl isobutyrate
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