Description

Trans,trans-1,9-Cyclohexadecadiene is a high-purity macrocyclic diene of significant interest in advanced organic synthesis and fragrance chemistry. Its unique structure makes it a valuable intermediate for creating complex molecules and specialty aroma chemicals. This compound is essential for R&D laboratories and manufacturers in the fragrance, flavor, and fine chemical industries seeking to develop novel compounds with specific olfactory or functional properties.

Application

• Fragrance & Flavor Intermediate: Serves as a key building block for the synthesis of macrocyclic musks and other high-value aroma chemicals prized for their stability and scent profiles.
• Organic Synthesis: Used as a versatile diene component in Diels-Alder reactions and other cycloaddition processes to construct complex polycyclic frameworks.
• Polymer Research: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal and mechanical properties.
• Pharmaceutical Intermediates: Employed in the research and synthesis of pharmacologically active compounds that require specific macrocyclic structures.
• Material Science: Investigated for use in creating novel organic materials, including liquid crystals and molecular sensors.
• Catalysis & Ligand Synthesis: Utilized in the preparation of chelating ligands for transition metal catalysts used in asymmetric synthesis.

Basic Information

Product Name	Trans,trans-1,9-Cyclohexadecadiene
CAS No.	7433-62-7
Molecular Formula	C₁₆H₂₈
Molecular Weight	220.39 g/mol
Synonyms	Cyclohexadeca-1,9-diene, (E,E)-; (E,E)-1,9-Cyclohexadecadiene; Musk TM-II; 1,9-Cyclohexadecadiene, (E,E)-; Globalide Precursor; (E,E)-Cyclohexadeca-1,9-diene; TTCHD; Macrocyclic Diene Intermediate
EINECS	231-076-8

Quality Control

Our Trans,trans-1,9-Cyclohexadecadiene is manufactured under strict quality management systems. Each batch is analyzed using advanced techniques including GC, GC-MS, and NMR to ensure high chemical purity and isomeric integrity. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee batch-to-batch consistency and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (typical 97-99%)
Isomeric Purity (GC)	≥ 90.0% (trans,trans isomer)
Water Content (KF)	≤ 0.1%

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