Isopropyl isobutyrate

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Structural formula
Structural formula of isobutyric acid isopropyl ester
General
Surname Isopropyl isobutyrate
other names
  • Isopropyl isobutyrate
  • Isopropyl 2-methylpropanoate
Molecular formula C 7 H 14 O 2
Brief description

colorless liquid with a fruity odor

External identifiers / databases
CAS number 617-50-5
EC number 210-517-5
ECHA InfoCard 100.009.562
PubChem 12044
ChemSpider 11547
Wikidata Q27280641
properties
Molar mass 130.19 g mol −1
Physical state

liquid

density

0.845 g cm −3

Melting point

121 ° C

solubility
  • practically insoluble in water
  • soluble in most organic solvents
Refractive index

1.388 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable

danger

H and P phrases H: 225
P: 210
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

Isobutyric acid isopropyl ester is a chemical compound from the group of carboxylic acid esters .

Occurrence

Isopropyl isobutyrate occurs naturally in bay leaves .

Extraction and presentation

Isobutyric acid isopropyl ester can be obtained by reacting isobutyl chloride with isopropyl alcohol . The compound can also be obtained by electrolysis of sodium isobutyrate.

properties

Isobutyric acid isopropyl ester is a colorless liquid with an intensely fruity odor.

use

Isobutyric acid isopropyl ester is used as a flavoring agent.

Individual evidence

  1. a b c d Entry on isobutyric acid isopropyl ester in the GESTIS substance database of the IFA , accessed on January 1, 2019(JavaScript required) .
  2. a b c d e f g George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2004, ISBN 978-1-4200-3787-6 , pp. 963 ( limited preview in Google Book search).
  3. a b Data sheet Isopropyl isobutyrate, ≥99% from Sigma-Aldrich , accessed on January 1, 2019 ( PDF ).
  4. ^ Frank C. Whitmore: Organic Chemistry, Volume One Part I: Aliphatic Compounds Part II: Alicyclic Compounds . Courier Corporation, 2012, ISBN 978-0-486-60700-9 , pp. 247 ( limited preview in Google Book search).