2-Hexanone

• Hexan- 2-one
• Butyl methyl
• Methylbutylketone
• MBK
• 2- Oxohexan

Colorless liquid

Liquid

0.81 g · cm -3

-56 ° C

128 ° C

• 3.5 hPa ( 20 ° C)
• 7,33 hPa ( 30 ° C)
• 26.7 hPa ( 50 ° C)

Poorly in water ( 35 g · l-1 at 25 ° C)

1.401 (20 ° C)

Risk

2590 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

2-hexanone, or butyl methyl ketone is a colorless liquid from the group of ketones.

Production

2-hexanone can be produced on a laboratory scale by the hydration of 1-hexyne:

By oxidation of 2- hexanol, 2-hexanone is also produced:

A further synthesis is possible by a Grignard reaction with acetonitrile and butylmagnesium bromide:

Properties

• Flash point: 23 ° C
• Ignition temperature: 420 ° C

Use

2-hexanone is used as a solvent for the dyes.