Description

Cycloocta-1,5-Dien-3-Yne CAS NO 68344-46-7 is a highly reactive, strained cyclic alkyne-diene compound that serves as a valuable building block in advanced organic synthesis. Its unique conjugated system makes it a critical intermediate for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This specialty chemical is essential for researchers and process chemists in the fine chemical, agrochemical, and advanced polymer industries seeking to develop novel compounds with specific electronic or structural properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), leveraging its strained ring system for cycloaddition reactions.
• Material Science Research: Serves as a precursor for developing novel organic electronic materials, conductive polymers, and carbon-rich frameworks.
• Agrochemical Synthesis: Acts as a key building block for creating new generations of herbicides, fungicides, and plant growth regulators with unique modes of action.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands and catalysts for asymmetric synthesis and polymerization processes.
• Academic and R&D Laboratories: Employed in fundamental research on reaction mechanisms, pericyclic reactions, and the development of new synthetic methodologies.
• Specialty Polymer Production: Incorporated as a monomer or cross-linking agent to create polymers with tailored thermal, mechanical, or optical properties.

Basic Information

Product Name	Cycloocta-1,5-Dien-3-Yne
CAS No.	68344-46-7
Molecular Formula	C8H6
Molecular Weight	102.14 g/mol
Synonyms	1,5-Cyclooctadien-3-yne; 3,8-Dihydro-1,2,4,5,6,7-hexadehydro[8]annulene; 1,2,4,5,6,7-Hexadehydro[8]annulene; Cycloocta-1,5-dien-3-yne; [8]Annulene, 1,2,4,5,6,7-hexadehydro-; 1,5-Cyclooctadiyne; 1,2:5,6-Dibenzo-3,8-dihydro[8]annulene (related structural motif)
EINECS	Contact for details

Quality Control

Our Cycloocta-1,5-Dien-3-Yne is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for every shipment. We adhere to relevant industry standards, and custom purity grades or analytical specifications can be developed to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C. This compound is easily oxidized and light-sensitive. The storage area should be cool, dry, and well-ventilated, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (HPLC)	≥ 94.0%
Water Content (KF)	≤ 0.5%

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