2-ethylbutyric acid

Structural formula
General
Surname	2-ethylbutyric acid
other names	2-ethylbutanoic acid ( IUPAC ) ; Diethylene acetic acid;
Molecular formula	C 6 H 12 O 2
Brief description	colorless liquid with a faint odor
External identifiers / databases
EC number	201-796-4
ECHA InfoCard	100.001.634
PubChem	6915
ChemSpider	6649
Wikidata	Q10844268
properties
Molar mass	116.16 g mol −1
Physical state	liquid
density	0.92 g cm −3
Melting point	−31.8 ° C
boiling point	194 ° C
Vapor pressure	0.2 hPa (20 ° C)
solubility	slightly soluble in water (18 g l −1 at 20 ° C); slightly soluble in most organic solvents;
Refractive index	1.4130 (20 ° C)
safety instructions
GHS labeling of hazardous substances danger
H and P phrases	H: 311-315-319
	P: 280-302 + 352-305 + 351 + 338-308 + 310
Toxicological data	2200 mg kg −1 ( LD 50 , rat , oral ) ; 478 mg kg −1 ( LD 50 , rabbit , transdermal ) ;
	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

2-Ethylbutyric acid is a chemical compound from the group of carboxylic acids .

Occurrence

2-ethylbutyric acid occurs in tobacco smoke.

Extraction and presentation

2-ethyl butyric acid can be obtained by decarboxylation of diethylmalonic be won.

properties

2-Ethylbutyric acid is a flammable, hardly inflammable, colorless liquid with a faint odor that is sparingly soluble in water.

use

2-Ethylbutyric acid is used as a flavoring and as an intermediate for pharmaceuticals ( e.g. Carbromal ), colorings, esters and other chemicals. It is approved as a feed additive for all animal species.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 2-ethylbutyric acid in the GESTIS substance database of the IFA , accessed on January 31, 2020(JavaScript required) .
↑ David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 262 ( limited preview in Google Book search).
↑ ^a ^b ^c Data sheet 2-Ethylbutyric acid, 98% from AlfaAesar, accessed on January 31, 2020 ( PDF )(JavaScript required) .
↑ Alan Rodgman, Thomas A. Perfetti: The Chemical Components of Tobacco and Tobacco Smoke . CRC Press, 2008, ISBN 978-1-4200-7884-8 , pp. 1536 ( limited preview in Google Book search).
^ NL Allinger, et al .: Organic Chemistry. [Main volume] Walter de Gruyter, 2011, ISBN 978-3-11-082970-9 , pp. 1562 ( limited preview in Google Book search).
↑ Walter Schunack, Klaus Mayer, Manfred Haake: Drugs textbook of pharmaceutical chemistry . Springer-Verlag, 2013, ISBN 978-3-322-83553-6 , pp. 120 ( limited preview in Google Book search).
↑ EUR-Lex: EUR-Lex - 32017R0054 - EN - EUR-Lex , accessed on January 31, 2020

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 2-ethylbutyric acid in the GESTIS substance database of the IFA , accessed on January 31, 2020(JavaScript required) .

[David_R._Lide-2] David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 262 ( limited preview in Google Book search).

[Alfa-3] Data sheet 2-Ethylbutyric acid, 98% from AlfaAesar, accessed on January 31, 2020 ( PDF )(JavaScript required) .

[Alan_Rodgman,_Thomas_A._Perfetti-4] Alan Rodgman, Thomas A. Perfetti: The Chemical Components of Tobacco and Tobacco Smoke . CRC Press, 2008, ISBN 978-1-4200-7884-8 , pp. 1536 ( limited preview in Google Book search).

[N._L._Allinger,_et_al.-5] NL Allinger, et al .: Organic Chemistry. [Main volume] Walter de Gruyter, 2011, ISBN 978-3-11-082970-9 , pp. 1562 ( limited preview in Google Book search).

[Walter_Schunack,_Klaus_Mayer,_Manfred_Haake-6] Walter Schunack, Klaus Mayer, Manfred Haake: Drugs textbook of pharmaceutical chemistry . Springer-Verlag, 2013, ISBN 978-3-322-83553-6 , pp. 120 ( limited preview in Google Book search).

[europa.eu-7] EUR-Lex: EUR-Lex - 32017R0054 - EN - EUR-Lex , accessed on January 31, 2020