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musk pentane

Musk pentane is a musk-scented fragrance compound known chemically as 4-cyclopentadecen-1-one, used primarily in perfumery for its characteristic odor.
Chemical Structure

General Material Description

Musk pentane, also known as 4-cyclopentadecen-1-one, is a cyclic ketone with the molecular formula C15H26O. This compound is characterized by its pronounced musk odor, making it valuable in fragrance applications. It appears as a colorless to pale-yellow liquid and is synonymous with names such as cyclopentadec-4-en-1-one and Musk Z4. Classified as a macrocyclic musk, it belongs to a class known for their musky scent profiles. Musk pentane is typically sourced through synthetic organic processes tailored for fragrance production. Detailed chemical information is accessible via controlled vocabularies, including its PubChem entry, supporting research and application development.

Occurrence, Applicability & Potential Uses

Musk pentane occurs primarily as a synthetic macrocyclic musk used extensively in fragrance agents due to its characteristic musk scent. Its biological occurrence is minimal, as it is produced artificially to replicate musk odors without using animal-derived musk. This compound finds application in perfumery to impart warm and musky notes and is noted for its solubility in alcohol, facilitating incorporation into various fragrance formulations. Use in flavoring is not recommended. Regulatory standards such as the IFRA (Global) set guidelines for its safe use levels in consumer products, highlighting its restricted application to ensure safety and compliance.

Physico-Chemical Properties Summary

Musk pentane is a cyclic ketone with a molecular weight of approximately 222.37 g/mol and a relatively high estimated partition coefficient (XLogP3) of 5.20, indicating considerable lipophilicity. It is soluble in alcohol yet insoluble in water, influencing its formulation compatibility, particularly in alcoholic fragrance bases. The compound exhibits a maximum acid value of 1 KOH/g, indicative of its stability regarding acidic degradation. These properties facilitate its use in fragrance formulations, where its musk odor can be delivered effectively without undesirable reactivity or solubility issues.

FAQ

What is musk pentane and what are its main characteristics?
Musk pentane, chemically designated as 4-cyclopentadecen-1-one, is a synthetic macrocyclic ketone known for its distinctive musk odor. It is used primarily as a fragrance ingredient to impart musky notes in perfumes and other scented products. The compound appears as a colorless to pale-yellow liquid and is notable for being soluble in alcohol but not in water. Its molecular weight is approximately 222.37 g/mol, and it is recognized under several synonyms, including Musk Z4.
How is musk pentane typically used and where does it occur naturally?
Musk pentane is manufactured synthetically and does not have significant natural sources. It is mainly applied within the fragrance industry as a musky odorant to enhance scent compositions. Its solubility profile makes it suitable for incorporation into alcoholic bases common in perfumery. This compound is not used as a flavoring agent and is restricted to fragrance applications. Its design as a synthetic musk supports the development of musk scents without relying on animal-derived musks.
What safety standards and regulations apply to musk pentane in fragrance use?
Musk pentane is regulated under standards such as the IFRA Code of Practice (Global), which provides guidelines for the safe use of fragrant materials including musks. It is not approved for flavoring use. Available hazard classifications do not indicate significant safety concerns under OSHA HCS (US) regulations, and precautionary statements are generally not assigned. Nonetheless, its usage levels in consumer products are controlled to ensure compliance and safety, with references and assessments available through the RIFM Fragrance Material Safety Assessment.

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

cyclopentadec-4-en-1-one
Pubchem (cid):6365389
Pubchem (sid):135041970
Publications by US Patents
7,943,560 - Cyclopropanated macrocyclic ketones and lactones

Other Information

HMDB (The Human Metabolome Database):Search
ChemSpider:View

General Material Information

Preferred name musk pentane
Trivial Name 4-Cyclopentadecen-1-one
Formula C15 H26 O
CAS Number 35720-57-1
ECHA Number 252-692-0
FDA UNII Search
Nikkaji Number J260.672K
xLogP3-AA 5.20 (est)
NMR Predictor External link
Synonyms
  • cyclopentadec-4-en-1-one
  • 4-cyclopentadecen-1-one
  • cyclopentadecenone
  • 4-cyclopentadecenone
  • 4-Cyclopentadecen-1-one
  • Musk Z4

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 222.37141418457
Acid Value 1 max KOH/g
Solubility
alcohol Yes
water No

Organoleptic Properties

Odor Type: Musk
musk
General comment At 100.00 %. musk

Potential Uses

Applications
Odor purposes Musk

Safety Information

Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for musk pentane flavor usage levels up to:
not for flavor use.

Safety references

AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6365389
National Institute of Allergy and Infectious Diseases:Data
cyclopentadec-4-en-1-one
Chemidplus:0014595541