Description

Ethisolide CAS NO 33644-10-9 is a high-purity synthetic musk compound belonging to the macrocyclic lactone class, valued for its clean, long-lasting, and diffusive musky odor profile. It serves as a critical fragrance ingredient, providing excellent stability and substantivity in complex formulations. This product is essential for perfumers and manufacturers in the fine fragrance, personal care, and home care industries seeking to create sophisticated and enduring scent experiences.

Application

• Fine Fragrance Formulations: Used as a base note in perfumes, eau de toilettes, and colognes for its powerful and persistent musky character.
• Personal Care Products: Incorporated into soaps, shower gels, deodorants, and lotions to enhance fragrance longevity and provide a subtle skin-scent effect.
• Home Care & Detergents: Adds a clean, musky background note to fabric softeners, laundry detergents, and all-purpose cleaners, improving scent retention on fabrics and surfaces.
• Cosmetic & Toiletry Products: Employed in hair care products and shaving creams for its fixative properties and ability to round off harsh top notes.
• Functional Fragrancing: Suitable for air fresheners, candles, and diffusers where a stable and long-lasting musk note is required.

Basic Information

Product Name	Ethisolide
CAS No.	33644-10-9
Molecular Formula	C17H30O2
Molecular Weight	266.42 g/mol
Synonyms	Ethylene Brassylate; 1,4-Dioxacycloheptadecane-5,17-dione; Musk T; Astrotone; Ethyl Brassylate; Cyclohexadecanolide, 13-oxa-; 13-Oxabicyclo[10.4.0]hexadec-1(12)-ene-2-one
EINECS	251-608-0

Quality Control

Our Ethisolide is produced under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for fragrance applications. Quality is verified through comprehensive analytical testing including gas chromatography (GC) and organoleptic evaluation. A Certificate of Analysis (COA) detailing purity, identity, and olfactory profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources to maintain product integrity and fragrance quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Odor	Characteristic, clean musky odor
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.4680 - 1.4720
Specific Gravity (20/20°C)	1.040 - 1.050

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