| Identification | Back Directory | [Name]
METHYLCYCLOPENTADECENONE | [CAS]
82356-51-2 | [Synonyms]
Muscenone
delta-muscenone
METHYLCYCLOPENTADECENONE
3-methylcyclopentadecenone
Cyclopentadecenone, 3-methyl- | [EINECS(EC#)]
620-565-2 | [Molecular Formula]
C16H28O | [MDL Number]
MFCD32221995 | [MOL File]
82356-51-2.mol | [Molecular Weight]
236.393 |
| Chemical Properties | Back Directory | [density ]
0.927[at 20℃] | [vapor pressure ]
0.04Pa at 25℃ | [Odor]
at 10.00 % in dipropylene glycol. musk ketone animal soapy | [Odor Type]
musk | [Water Solubility ]
900μg/L at 20℃ | [LogP]
5.52 at 25℃ |
| Hazard Information | Back Directory | [Chemical Properties]
The main constituents
are (Z)- and (E′)-3-methylcyclopentadec-5-en-1-one. Colorless to light yellow liquid
with a powerful, elegantmusk note reminiscent of nitromusks with a natural
animalic undertone. It is recommended for use in perfume oils for a wide range
of applications, for example, for fine fragrances, for perfuming beauty and fabric
care products, and for perfuming cleaners.
3-Methylcyclopentadecenone is produced by rearrangement of 14-methyl-
16-oxabicyclo[10.3.1]hexadec-1(15)-ene catalyzed by phosphoric acid.
The starting material is obtained by a multistep process starting from cyclododecanone. | [Uses]
This unsaturated ketone, which yields dl-Muscone upon hydrogenation, has been suggested as a modifier for the related ketones and lactones. It is equally expensive to prepare, and not as natural-musky in its character when compared to l-Muscone. | [Flammability and Explosibility]
Notclassified | [Trade name]
Muscenone® (Firmenich) | [Synthesis]
Methylcyclopentadecenone is prepared by cyclization of 2,15 -Diketohexadecane with N-Methylaniline Magnesium bromide reagent. |
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