Methyl octanoate

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Structural formula
Structural formula of methyl octanoate
General
Surname Methyl octanoate
other names
  • Methyl octanoate
  • Caprylic acid methyl ester
Molecular formula C 9 H 18 O 2
Brief description

colorless liquid

External identifiers / databases
CAS number 111-11-5
EC number 203-835-0
ECHA InfoCard 100.003.487
PubChem 8091
Wikidata Q3348789
properties
Molar mass 158.24 g mol −1
Physical state

liquid

density

0.88 g cm −3

Melting point

−37 ° C

boiling point

193 ° C

Vapor pressure

1.33 hPa (34.2 ° C)

solubility
  • practically insoluble in water (64.4 mg l −1 at 20 ° C)
  • very soluble in diethyl ether and ethanol
Refractive index

1.4175 (20 ° C)

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
Toxicological data

> 2000 mg kg −1 ( LD 50ratoral )

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

Octanoic acid methyl ester is a chemical compound from the group of carboxylic acid esters .

Occurrence

The compound occurs naturally in hop oils .

Extraction and presentation

Methyl octanoate can be obtained by esterifying caprylic acid with methanol or alcoholysis of coconut oil .

properties

Octanoic acid methyl ester is a flammable, hardly inflammable, colorless liquid that is practically insoluble in water.

use

Methyl octanoate is used as an intermediate in the synthesis of other compounds (such as detergents , emulsifiers , wetting agents , stabilizers , plasticizers , resins ) and as a flavoring agent.

safety instructions

The vapors of methyl octanoate can form an explosive mixture with air ( flash point 69 ° C).

Individual evidence

  1. a b c d e f g h i j k Entry on methyl octanoate in the GESTIS substance database of the IFA , accessed on December 4, 2018(JavaScript required) .
  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. 396 ( limited preview in Google Book search).
  3. a b Data sheet Methyl octanoate, 98 +% from AlfaAesar, accessed on December 4, 2018 ( PDF )(JavaScript required) .
  4. Data sheet for methyl octanoate (PDF) from Merck , accessed on December 4, 2018.
  5. Manfred V. Singer, Stephan Teyssen: Alcohol and alcohol-related diseases, basics - diagnostics - therapy . Springer-Verlag, 2005, ISBN 978-3-540-26446-0 , pp. 68 ( limited preview in Google Book search).
  6. a b Entry on methyl octanoate in the Hazardous Substances Data Bank , accessed on December 4, 2018.