Description

2,6,6,9-Tetramethylcycloundecan-1-Ol is a high-purity, synthetic fragrance alcohol belonging to the class of macrocyclic musks. This compound is valued for its clean, musky, and woody olfactory profile, offering excellent stability and tenacity in complex formulations. It is a critical ingredient for perfumers and product developers in the fragrance and personal care industries seeking sophisticated and long-lasting scent characteristics.

Application

• Fine Fragrance: A key component in premium perfumes, eau de toilettes, and colognes, providing a foundational musky-woody note.
• Personal Care Products: Used in scented body lotions, shower gels, deodorants, and shampoos for its persistent and skin-compatible fragrance.
• Home & Fabric Care: Incorporated into laundry detergents, fabric softeners, and air fresheners to impart a clean, lingering freshness.
• Cosmetic & Toiletry Formulations: Serves as a fragrance fixative in soaps, creams, and other cosmetic preparations to enhance scent longevity.
• Functional Perfumery: Applied in industrial deodorants and malodor counteraction systems due to its strong masking properties.

Basic Information

Product Name	2,6,6,9-Tetramethylcycloundecan-1-Ol
CAS No.	19888-04-1
Molecular Formula	C₁₅H₃₀O
Molecular Weight	226.40 g/mol
Synonyms	2,6,6,9-Tetramethyl-1-cycloundecanol; Cyclopentadecanol, 2,6,6,9-tetramethyl-; Macrocyclic Musk Alcohol; Tetramethylcycloundecanol; Fragrance Alcohol (Tetramethyl); Cycloundecanol, 2,6,6,9-tetramethyl-; Musk Olfactory Alcohol; (1R,2S,5R,8S)-2,6,6,9-Tetramethylcycloundecan-1-ol (isomer)
EINECS	243-388-5

Quality Control

Our 2,6,6,9-Tetramethylcycloundecan-1-Ol 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 GC, IR, and specific olfactory evaluation. A Certificate of Analysis (COA) detailing identity, purity, and olfactory profile is provided with each 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 heat sources and open flames. For long-term storage, consider an inert atmosphere to preserve olfactory quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Odor	Characteristic musky, woody
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Refractive Index (20°C)	1.480 - 1.490
Specific Gravity (20/20°C)	0.910 - 0.920

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