Ethyl octanoate

Structural formula
General
Surname	Ethyl octanoate
other names	Ethyl octanoate; Ethyl caprylate; Ethyl caprylate;
Molecular formula	C 10 H 20 O 2
Brief description	colorless liquid with a characteristic odor
External identifiers / databases
EC number	203-385-5
ECHA InfoCard	100.003.078
PubChem	7799
ChemSpider	7511
Wikidata	Q3348790
properties
Molar mass	172.27 g mol −1
Physical state	liquid
density	0.87 g cm −3
Melting point	−48 ° C
boiling point	208 ° C
Vapor pressure	0.2 hPa (20 ° C)
solubility	practically insoluble in water (0.07 g l −1 at 25 ° C); soluble in most solid oils; poorly soluble in propylene glycol; insoluble in glycerin;
Refractive index	1.417 (20 ° C)
safety instructions
GHS labeling of hazardous substances
H and P phrases	H: 411
	P: 273-391-501
Toxicological data	26,000 mg kg −1 ( LD 50 , rat , oral )
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Ethanoic acid ethyl ester is a chemical compound from the group of carboxylic acid esters .

Occurrence

The compound was found in apples , apricots , orange juice , grapefruit juice , guavas , pineapples , cheddar and other cheeses , butter , beer , cognac , rum , whiskey , apple cider , wine (for example Riesling ), cocoa , coconut meat , passion fruit , mangoes , and papaya Mastic gum leaf oil proven.

Extraction and presentation

Ethyl octanoate can be used as a catalyst by esterification of caprylic acid with ethyl alcohol and sulfuric acid or p-toluenesulfonic acid .

properties

Ethyl octanoate is a flammable, hardly inflammable, colorless liquid with a characteristic odor that is practically insoluble in water.

use

Ethyl octanoate is used as a flavoring agent. The compound is also a suitable reagent which is used as a standard for the measurement of taste-active compounds by gas chromatography .

safety instructions

The vapors of ethyl octanoate can form an explosive mixture with air ( flash point 79 ° C, ignition temperature 325 ° C).

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Entry on Ethyl Octanoate in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
↑ ^a ^b ^c ^d ^e George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2001, ISBN 978-1-4398-6327-5 , pp. 584 ( limited preview in Google Book search).
↑ ^a ^b Data sheet Ethyl octanoate, natural, ≥98%, FCC, FG from Sigma-Aldrich , accessed on December 14, 2018 ( PDF ).
↑ Robert Ebermann, Ibrahim Elmadfa: Textbook food chemistry and nutrition . Springer-Verlag, 2011, ISBN 978-3-7091-0211-4 , pp. 491 ( limited preview in Google Book search).

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Entry on Ethyl Octanoate in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .

[George_A._Burdock-2] George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2001, ISBN 978-1-4398-6327-5 , pp. 584 ( limited preview in Google Book search).

[Sigma-3] Data sheet Ethyl octanoate, natural, ≥98%, FCC, FG from Sigma-Aldrich , accessed on December 14, 2018 ( PDF ).

[Robert_Ebermann,_Ibrahim_Elmadfa-4] Robert Ebermann, Ibrahim Elmadfa: Textbook food chemistry and nutrition . Springer-Verlag, 2011, ISBN 978-3-7091-0211-4 , pp. 491 ( limited preview in Google Book search).