Description

3-Bromo-1,5-Cyclooctadiene is a versatile brominated cyclic diene intermediate of significant interest in advanced organic synthesis. Its unique structure, featuring both a bromine substituent and two conjugated double bonds, makes it a valuable building block for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials sectors for applications such as cross-coupling reactions and the synthesis of novel ligands or functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex bioactive molecules and potential active pharmaceutical ingredients (APIs) via Suzuki, Heck, or other palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, where its bromine atom acts as a handle for further functionalization.
• Ligand and Catalyst Development: Employed in the preparation of specialized chelating ligands or organometallic catalysts for asymmetric synthesis and polymerization processes.
• Polymer and Material Science: Acts as a monomer or co-monomer in the development of specialty polymers with unique thermal or mechanical properties, including functionalized polyolefins.
• Organic Synthesis Building Block: Utilized in Diels-Alder reactions, nucleophilic substitutions, and other cycloaddition chemistry to create complex, strained, or bridged ring systems for research purposes.
• Fine Chemical Production: Applied in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-Bromo-1,5-Cyclooctadiene
CAS No.	23346-40-9
Molecular Formula	C8H11Br
Molecular Weight	187.08 g/mol
Synonyms	3-Bromocycloocta-1,5-diene; 1,5-Cyclooctadiene, 3-bromo-; 3-Bromo-1,5-cyclooctadiene; Bromocyclooctadiene
EINECS	Contact for details

Quality Control

Our 3-Bromo-1,5-Cyclooctadiene is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability for your synthetic workflows. Each lot undergoes comprehensive analytical testing, including purity assay and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature and organic solvent compatibility, containers should be kept sealed when not in use to maintain purity and prevent contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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