Muscone

(R )-3- Methylcyclopentadecanon

Colorless oil with a characteristic odor

Liquid

0.9221 g · cm -3

329 ° C

1.4802 ( 17 ° C)

Template: Infobox chemical / molecular formula search available

( Spätlat from. Muscus = musk ) muscone is an organic chemical compound selected from the group consisting of ketones and occurs in nature as the main component of musk ago.

Occurrence

With a share of 0.5 to 2% muscone is the most important fragrance of natural musk.

The German chemist Heinrich Walbaum was able to isolate the main component of musk in the form of white crystals in 1906. He called the connection muscone, the structure was clarified in 1926 by Lavoslav Ružicka.

Natural muscone is obtained from musk, which is used as a perfume for centuries. Nowadays, it is made from animal welfare reasons synthetically.

Chemical Properties

Muscone as part of the macrocycle to the alicyclic compounds and ketones. It consists of a 15 -membered Ketonring with a methyl substituent at the 3- position. Muscone is an oily liquid, which in nature as ( R) - [ - (- )-3- Methylcyclopentadecanon (R)] is found - () -enantiomer. Synthetically produced muscone is a racemate, and thus consists of a 1:1 _Gemisch of (R ) - (- )-3- Methylcyclopentadecanon and (S ) - ( )-3- Methylcyclopentadecanon.

Production and representation

Can be made muscone by methylation of (E )-2- Cyclopentadecenon.

Use

Muscone is used as a fragrance in cosmetics, soaps, shampoos, detergents and cleaning agents.