Benzyl acetone

Structural formula
General
Surname	Benzyl acetone
other names	4-phenyl-2-butanone 4-phenylbutan-2-one 1-phenyl-3-butanone
Molecular formula	C 10 H 12 O
Brief description	colorless liquid
External identifiers / databases
CAS number 2550-26-7 EC number 219-847-4 ECHA InfoCard 100.018.044 PubChem 17355 Wikidata Q410405
properties
Molar mass	148.20 g mol −1
Physical state	liquid
density	0.99 g cm −3
Melting point	−18 ° C
boiling point	233-234 ° C
solubility	very heavy in water (<1 g l −1 ) easily in acetone soluble in ethanol and diethyl ether
Refractive index	1.512 (20 ° C)
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315 P: 302 + 352
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

Benzylacetone or 4-phenyl-2-butanone is a chemical compound from the group of ketones .

Occurrence

Flowers on the trunk of the cocoa tree ( Cauliflorie )

Benzyl acetone occurs naturally in cocoa beans , cocoa tree blossoms, and tobacco plants . The compound is an attractant for birds and insects.

Extraction and presentation

Benzylacetone can be prepared by selective hydrogenation of the double bond of benzylidene acetone .

use

Benzyl acetone is used as a fragrance and flavoring substance. Its smell is similar to that of jasmine and strawberry . Benzyl acetone also serves as a modifier for benzyl acetate .

Individual evidence

1. ↑ ^{a b c d e f g} Entry on 4-phenyl-2-butanone in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
2. ↑ ^{a b c} Benzylacetone (Fragrance Lexicon) .
3. ↑ Benzyl acetone data sheet from Sigma-Aldrich , accessed on March 11, 2011 ( PDF ).
4. ↑ ^{a b c} Process for the production of benzyl acetone (patent-de) .
5. ↑ Bob B. Buchanan, Wilhelm Gruissem, Russell L. Jones: Biochemistry and Molecular Biology of Plants . John Wiley & Sons, 2015, ISBN 978-1-118-50219-8 ( books.google.com ).