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).