Description

2,6,6,9-Tetramethylcycloundecan-1-One is a high-purity macrocyclic ketone known for its unique woody and amber-like olfactory profile. This compound matters for formulators seeking a powerful and long-lasting fragrance base note with excellent stability in complex blends. It is primarily needed by manufacturers in the fragrance and flavor industry, as well as by research and development laboratories working on novel aroma chemicals and specialty intermediates.

Application

• Fragrance Industry: A key ingredient in premium perfumery, providing a rich, woody-amber base note for fine fragrances, colognes, and personal care products.
• Flavor Enhancers: Used in trace amounts to impart or modify complex flavor profiles in specialty food and beverage applications.
• Aroma Chemical Synthesis: Serves as a valuable intermediate or starting material for the synthesis of other high-value macrocyclic musk and amber compounds.
• Functional Fluids & Lubricants: Investigated as a high-performance base fluid or additive due to its specific structural properties and potential thermal stability.
• Chemical Research: Utilized in academic and industrial R&D for studying ketone chemistry, cyclization reactions, and as a model compound in analytical method development.
• Specialty Solvents: Potential application as a solvent for specific resins, polymers, or in photographic materials where its unique properties are advantageous.

Basic Information

Product Name	2,6,6,9-Tetramethylcycloundecan-1-One
CAS No.	24405-93-4
Molecular Formula	C₁₅H₂₈O
Molecular Weight	224.38 g/mol
Synonyms	2,6,6,9-Tetramethylcycloundecanone; Cycloundecanone, 2,6,6,9-tetramethyl-; Tetramethylcycloundecanone; Amberketone; Globalide ketone precursor; Woody ketone; Macrocyclic musk ketone intermediate
EINECS	Contact for details

Quality Control

Our 2,6,6,9-Tetramethylcycloundecan-1-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment aligns with ISO standards and relevant industry best practices for fragrance ingredients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at a controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are securely sealed when not in use to prevent evaporation and maintain product integrity. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.475 - 1.485
Specific Gravity (20/20°C)	0.910 - 0.920
Water Content (KF)	≤ 0.2%

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