2-Heptanone

  • Amyl methyl ketone
  • Heptan- 2-one
  • Methylpentylketon

Colorless liquid with a fruity odor

Liquid

0.82 g · cm -3

-35 ° C

151 ° C

4.5 mbar ( 20 ° C)

Sparingly soluble in water (4.3 g · l-1 at 20 ° C)

1.4007 (20 ° C, 589 nm)

Attention

Template: Infobox chemical / molecular formula search available

2-heptanone is a chemical compound from the group of ketones.

Occurrence

2 -heptanone occurs naturally as a component of mold odor ( for example, blue cheese ) and blackberries. In rats, there is an alarm pheromone.

Production and representation

2- heptanone, can be obtained by decomposition of a ketone Ethylbutylacetoacetat or by hydrogenation of 1- heptyne and 2- heptyne by reductive condensation of acetone with butyraldehyde in one or two steps.

Properties

2 -heptanone is a little volatile, colorless liquid with a fruity odor (also spicy cinnamon ), which is sparingly soluble in water. It decomposes when heated.

Use

2 -heptanone is used as a high boilers in coating materials.

Safety

The vapors of 2- heptanone can - like almost all other liquid organic substances - with air to form an explosive mixture (flash point 40 ° C, ignition temperature 305 ° C).

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