Description

1,9-Cyclohexadecanedione is a high-purity macrocyclic diketone with the CAS number 31067-25-1, serving as a versatile and valuable chemical intermediate. Its unique 16-membered ring structure makes it a critical building block for the synthesis of complex macrocyclic compounds, including musks and specialty polymers. This product is essential for research and development laboratories, fragrance manufacturers, and advanced material scientists seeking to create novel molecules with specific olfactory or material properties.

Application

• Fragrance & Flavor Industry: A key precursor in the synthesis of macrocyclic musk compounds, valued for their clean, long-lasting, and skin-compatible scent profiles.
• Organic Synthesis & R&D: Serves as a fundamental building block for constructing complex macrocyclic ligands, catalysts, and host molecules in supramolecular chemistry.
• Polymer Science: Used in the development of specialty polyesters and other polymers where its cyclic structure can impart unique thermal and mechanical properties.
• Pharmaceutical Intermediates: Employed in research for the synthesis of novel macrocyclic drug candidates, particularly in antibiotic and anticancer agent development.
• Material Science: Investigated for creating advanced materials such as molecular sensors or components for organic electronics due to its defined ring structure.

Basic Information

Product Name	1,9-Cyclohexadecanedione
CAS No.	31067-25-1
Molecular Formula	C₁₆H₂₈O₂
Molecular Weight	252.39 g/mol
Synonyms	Cyclohexadecane-1,9-dione; 1,9-Dioxocyclohexadecane; Exaltone Dione; 16-Oxo-9-cyclohexadecen-1-one (related); Muscone Dione Precursor; Macrocyclic Diketone C16; 1,9-Diketocyclohexadecane
EINECS	Contact for details

Quality Control

Our 1,9-Cyclohexadecanedione is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as identity, assay, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring the material is suitable for demanding R&D and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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