Description

Cycloocta-1,5-diyne is a highly strained, cyclic alkyne of significant interest in advanced organic synthesis and materials science. Its unique structure, featuring two conjugated triple bonds within an eight-membered ring, makes it a valuable building block for constructing complex molecular architectures. This specialty chemical is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors for applications ranging from ligand synthesis to the development of novel polymers and macrocycles.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex, strained organic molecules and potential active pharmaceutical ingredients (APIs).
• Ligand and Catalyst Synthesis: Used to create novel chelating ligands and organometallic complexes for catalytic applications.
• Advanced Materials Research: Acts as a monomer or cross-linking agent in the development of polymers with unique optical or electronic properties.
• Macrocycle and Cage Compound Construction: Exploited in click chemistry and cycloaddition reactions to build complex three-dimensional molecular structures.
• Agrochemical Synthesis: Employed in the research and development of novel crop protection agents.
• Academic and Industrial R&D: A fundamental reagent for exploring new reactions and synthetic methodologies in organic chemistry.

Basic Information

Product Name	Cycloocta-1,5-diyne
CAS No.	49852-40-6
Molecular Formula	C8H8
Molecular Weight	104.15 g/mol
Synonyms	1,5-Cyclooctadiyne; Cycloocta-1,5-diyne; 1,5-Diethynylcyclooctane; Bicyclo[6.2.0]deca-1,7-diyne; 1,2:5,6-Dibenzocyclooctatetraene (precursor); COD-yne
EINECS	Contact for details

Quality Control

Our Cycloocta-1,5-diyne is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your research and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label or COA. This compound is easily oxidized and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥95% (Typical grades: 95%, 97%, 99%)
Water Content (KF)	<0.5%

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