Description

Cyclopentadecanolide is a high-purity macrocyclic musk lactone, also known as Exaltolide, prized for its exceptional olfactory properties. This compound is a cornerstone ingredient for creating sophisticated, long-lasting, and clean musk accords in fine fragrances and personal care products. It is essential for perfumers and manufacturers in the fragrance, cosmetics, and flavor industries seeking to enhance product longevity and olfactory profile.

Application

• Fine Fragrances: A key component in high-end perfumes, colognes, and eau de toilettes, providing a warm, musky, and animalic base note with excellent substantivity.
• Personal Care Products: Used in soaps, lotions, shampoos, and deodorants to impart a luxurious and persistent scent.
• Cosmetics & Toiletries: Incorporated into creams, powders, and other cosmetic formulations for fragrance enhancement.
• Household & Air Care: Employed in premium detergents, fabric softeners, and air fresheners for a long-lasting, clean musk effect.
• Flavor Industry: Used in trace amounts to create complex, creamy, or musky nuances in certain specialty food flavorings.
• Functional Fragrances: Applied in technical products where a stable and persistent musk note is required.

Basic Information

Product Name	Cyclopentadecanolide
CAS No.	32539-85-8
Molecular Formula	C15H28O2
Molecular Weight	240.38 g/mol
Synonyms	Exaltolide; 15-Pentadecanolide; ω-Pentadecalactone; Cyclopentadecan-15-olide; Musk Lactone; 15-Hydroxypentadecanoic acid lactone; Oxacyclohexadecan-2-one; Pentadecanolide
EINECS	251-108-4

Quality Control

Our Cyclopentadecanolide is produced under strict quality management systems to ensure batch-to-batch consistency and high purity, suitable for demanding fragrance applications. We adhere to relevant industry standards, including IFRA guidelines for safe use in fragrances. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and olfactory profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or flakes
Odor	Characteristic, strong musky odor
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Melting Point	36 - 40 °C
Specific Gravity (at 40°C)	0.940 - 0.950
Refractive Index (at 40°C)	1.463 - 1.473

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