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Cosmone

(5E)-3-Methylcyclotetradec-5-en-1-one

Cosmone, 3-Methylcyclotetradec-5-en-1-one

Macrocyclic ketone · C₁₅H₂₆O

Chemical structure of Cosmone
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
259854-70-1
Molecular formula
C₁₅H₂₆O
Molecular weight
222.37 g/mol
Origin
Synthetic
Odor family
Musk
Note
Base
Aroma
Strong, warm musk, slightly sweet with a very light animal skin nuance, close to muscone.

History

Cosmone is a 14-membered ring ketone with a methyl branch and one double bond, structurally close to muscone but with a smaller ring. It belongs to the macrocyclic ketone musks developed by Givaudan.

In perfumery

Cosmone is used at low levels in fine fragrance for a warm musk effect close to deer musk.

Connections

Evokesmusk deer musk

Regulatory status

Unrestricted · No IFRA standard
IFRA 51
No dedicated IFRA Standard in the 51st Amendment index.
EU allergen 2023/1545
Not named individually in the expanded allergen list of Regulation 2023/1545.

Sources

  1. Wikidata Q81987254 (CAS 259854-70-1, formula; data mirrored from PubChem)
  2. The Good Scents Company Information System, material entries
  3. IFRA Standards, 51st Amendment: Index of IFRA Standards (notified 30 June 2023)