Heptanoic acid methyl ester

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Structural formula
Structural formula of methyl heptanoate
General
Surname Heptanoic acid methyl ester
other names
  • Methyl heptanoate
  • Enanthic acid methyl ester
  • Methyl enanthate
Molecular formula C 8 H 16 O 2
Brief description

colorless liquid with a fruity odor

External identifiers / databases
CAS number 106-73-0
EC number 203-428-8
ECHA InfoCard 100.003.118
PubChem 7826
Wikidata Q3133329
properties
Molar mass 144.21 g mol −1
Physical state

liquid

density

0.880 g cm −3

Melting point

−56 ° C

boiling point

172-173 ° C

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

1.411 (20 ° C)

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

Caution

H and P phrases H: 226
P: 210-370 + 378
Toxicological data
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

Methyl heptanoate is a chemical compound from the group of carboxylic acid esters .

Occurrence

Heptanoic acid methyl ester was found in pineapples , hardy kiwis and salak fruits , as well as cranberries , papaya , blackberries , strawberries , peas , pepper , parmesan , hop oil , white wine , olives , star fruits , malt , bourbon vanilla, mountain papaya, endive , nectarine , lettuce , mussels , monkey orange and Rooibos tea (Aspalathus linearis) detected.

Extraction and presentation

Methyl heptanoate can be obtained by reacting heptanoic acid with methyl alcohol in the presence of hydrochloric acid or sulfuric acid.

properties

Methyl heptanoate is a colorless liquid with a fruity odor that is practically insoluble in water.

use

Heptanoic acid methyl ester is used as a flavoring substance .

safety instructions

The vapors of methyl heptanoate can form an explosive mixture with air ( flash point 52 ° C).

Individual evidence

  1. a b c d e f g h i j k l Entry on methyl heptanoate in the GESTIS substance database of the IFA , accessed on December 12, 2018(JavaScript required) .
  2. a b c d George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2004, ISBN 978-1-4200-3787-6 , pp. 1196 ( limited preview in Google Book search).
  3. a b Data sheet Methyl heptanoate, ≥99%, FG from Sigma-Aldrich , accessed on December 12, 2018 ( PDF ).