Chemical Properties
CLEAR LIQUID
Chemical Properties
Diethyl succinate has a faint, pleasant odor.
Occurrence
Reported found in apple, raspberry, cognac, rum, whiskey, cider, sherry, plum brandy, apple brandy, grape
brandy, cherry brandy, cocoa, arrack and red, white, port, strawberry and sparkling wines.
Uses
Alkyl succinates have been used as ashless dispersants and
detergent additives for lubricating oils.
Definition
ChEBI: Diethyl succinate is a fatty acid ester.
Preparation
By direct esterification of the acid in the presence of concentrated H2SO4 in benzene solution; from succinic anhydride
and ethyl alcohol
Aroma threshold values
Aroma characteristics at 1.0%: fruity, waxy, floral and slightly musty.
Taste threshold values
Taste charReported found in apple, raspberry, cognac, rum, whiskey, cider, sherry, plum brandy, apple brandy, grape
brandy, cherry brandy, cocoa, arrack and red, white, port, strawberry and sparkling wines.
acteristics at 10 to 100 ppm: chemical earthy, fruity with a pulpy mouthfeel
General Description
Diethyl succinate(DES) is a diethyl ester with succinate molecules. It has two ester groups and is majorly used in fragrances. It produced by the esterification of succinic acid with ethanol.
Flammability and Explosibility
Nonflammable
Biochem/physiol Actions
Taste at 10-100 ppm
Purification Methods
Dry the succinate with MgSO4, and distil it at 15mm pressure. [Beilstein 2 IV 1914.]
