Chemical Properties
Ethyl octadecanoate is virtually odorless.
Chemical Properties
white crystalline mass
Occurrence
Reported found in Jamaican rum, maple syrup, grapefruit juice, guava, grapes, cognac, rum, whiskey, sparkling wine, mustard, beef, cocoa and corn oil.
Uses
A fatty acid ester component of volatile oil from Rhododendron anthopogonoides; shows antimicrobial activity.
Ethyl stearate is occasionally used in flavor
compositions where a waxy taste (or mouthfeel) is desirable, e.g. in imitation Honey or
in certain types of chocolate flavor.
Preparation
By esterification of ethanol with stearic acid.
Definition
ChEBI: A long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of stearic acid with the hydroxy group of ethanol.
Production Methods
Ethyl stearate can be produced by esterification of Ethanol with
Stearic acid. The acid is obtained from Oleic
acid by hydrogenation, a method which yields
comparatively pure Stearic acid, free from
Palmitic acid.
General Description
Ethyl stearate is a fatty acid ethyl ester (FAEE) is commonly found in vegetable oils.
Purification Methods
The solid portion is separated from the partially solid starting material, then crystallised twice from EtOH, dried by azeotropic distillation with *benzene, and fractionally distilled through a spinning-band column at low pressure [Welsh Trans Faraday Soc 55 52 1959]. [Beilstein 2 IV 1218.]
