4-N-PROPYLANISOLE

Chemical properties

p-Propyl anisole has a characteristic anise-type odor with a sassafras undertone.

Occurrence

Reported found in katsuobishi (dried bonito).

The Uses of 4-N-PROPYLANISOLE

The malerial is more stable in soap than Anethole. It finds some application in perfume compositions. particularly in low-cost masking odors for industrial purposes, detergent perfumes, household fragrances, etc. It is used in flavor compositions for Licor-ice, Rootbeer, Birchbeer, Spice blends, Vanilla imitation, Wintcrgreen, etc.

Preparation

By partial hydrogenation of anethole in the presence of nickel at 60 to 95°C under pressure or under atmospheric pressure.

Definition

ChEBI: 1-Methoxy-4-propylbenzene is a member of methoxybenzenes.

Aroma threshold values

Aroma characteristics at 1.0% EtoH: intense, lingering sweet anise, licorice with an herbal fennel nuance. It is reminiscent of black cough drops and root beer.

Taste threshold values

Taste characteristics at 1 to 15 ppm: intense herbal, fennel, sweetness reminiscent of black licorice, sassafras and anise. It has slight, spicy, basil-like nuances.

Synthesis Reference(s)

Tetrahedron Letters, 40, p. 6729, 1999 DOI: 10.1016/S0040-4039(99)01394-5

Safety Profile

Mildly toxic by ingestion. Mutation data reported. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.