3-hexanone

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Structural formula
Structural formula of 3-hexanone
General
Surname 3-hexanone
other names
  • Hexan-3-one
  • Ethyl propyl ketone
  • Propyl ethyl ketone
  • 3-oxohexane
  • ETHYL PROPYL KETONE ( INCI )
Molecular formula C 6 H 12 O
Brief description

colorless liquid

External identifiers / databases
CAS number 589-38-8
EC number 209-645-4
ECHA InfoCard 100.008.770
PubChem 11509
Wikidata Q223076
properties
Molar mass 100.16 g mol −1
Physical state

liquid

density

0.82 g cm −3

Melting point

−55 ° C

boiling point

123 ° C

Vapor pressure
  • 13.5 h Pa (20 ° C)
  • 24.2 hPa (30 ° C)
  • 41.2 hPa (40 ° C)
  • 67.5 hPa (50 ° C)
solubility

poor in water (14.7 g l −1 at 25 ° C)

Refractive index

1.4004 (20 ° C)

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

danger

H and P phrases H: 225
P: 210-280-303 + 361 + 353
Toxicological data

2740 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

3-Hexanone or ethyl propyl ketone is a colorless liquid from the group of ketones . Its flash point is 20 ° C.

presentation

3-hexanone can be prepared by oxidation of 3-hexanol are obtained:

Production of 3-hexanone by oxidation of 3-hexanol

A Grignard reaction of propionitrile and propylmagnesium bromide is also possible:

Production of 3-hexanone by the Grignard reaction of propionitrile and propyl magnesium bromide

properties

3-hexanone forms highly flammable vapor-air mixtures. The compound has a flash point of 20 ° C. The explosion range is between 1% by volume (40 g / m 3 ) as the lower explosion limit (LEL) and 8% by volume (340 g / m 3 ) as the upper explosion limit (UEL).

Individual evidence

  1. Entry on ETHYL PROPYL KETONE in the CosIng database of the EU Commission, accessed on March 21, 2020.
  2. a b c d e f g h i j k l m n Entry on 3-hexanone in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
  3. Entry on 3-hexanone at ChemicalBook , accessed on September 19, 2011.
  4. David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-282.
  5. E. Brandes, W. Möller: Safety-related parameters. Volume 1: Flammable Liquids and Gases. Wirtschaftsverlag NW - Verlag für neue Wissenschaft, Bremerhaven 2003.