Description

1-Oxacyclopentadecan-2-One is a high-purity macrocyclic lactone, also known as ω-pentadecalactone, valued for its unique musk-like odor and chemical stability. This compound serves as a versatile intermediate and fragrance ingredient, offering consistent performance in demanding formulations. It is essential for manufacturers in the fragrance, flavor, and specialty chemical industries seeking reliable, high-quality raw materials.

Application

• Fragrance Industry: A key component in the synthesis of musk perfumes and as a fragrance fixative in fine perfumery, cosmetics, and personal care products.
• Flavor Industry: Used as a flavoring agent to impart creamy, peach-like, or musk notes in food and beverage applications.
• Chemical Synthesis: Acts as a crucial monomer or intermediate in polymer chemistry for producing biodegradable polyesters and other specialty polymers.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Research & Development: Utilized in academic and industrial laboratories for organic synthesis and material science studies.

Basic Information

Product Name	1-Oxacyclopentadecan-2-One
CAS No.	3537-83-5
Molecular Formula	C₁₅H₂₈O₂
Molecular Weight	240.38 g/mol
Synonyms	ω-Pentadecalactone; 15-Pentadecanolide; Exaltolide; Pentadecanolide; Cyclopentadecanolide; Angelica Lactone (Pentadecanolide); Macrocyclic Musk Lactone; Oxacyclohexadecan-2-one (related nomenclature)
EINECS	222-575-4

Quality Control

Our 1-Oxacyclopentadecan-2-One is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical testing, including GC, HPLC, and IR spectroscopy, to verify identity and assay. A Certificate of Analysis (COA) detailing all specifications is available with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). As this compound is easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or flakes
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Melting Point	34 - 38 °C
Odor	Characteristic musk-like odor
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.