Description

Benzene, 1,3-Pentadiynyl- (9Ci) is a specialized organic compound featuring a benzene ring substituted with a conjugated pentadiynyl group, making it a valuable building block in advanced synthetic chemistry. Its unique structure, characterized by the extended alkyne system, provides a versatile platform for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This compound is primarily sought by R&D chemists and process development scientists in the fine chemical, agrochemical, and advanced materials sectors for use as a key synthetic intermediate.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring rigid, conjugated frameworks.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides and herbicides where its structural motif can contribute to biological activity.
• Materials Science Research: Acts as a monomer or building block for developing conjugated polymers and organic electronic materials for applications in OLEDs or semiconductors.
• Academic & Industrial R&D: Employed in methodological studies and catalysis research for carbon-carbon bond forming reactions and cyclization processes.
• Fine Chemical Production: Utilized in the custom synthesis of complex, high-value specialty chemicals for various technological applications.

Basic Information

Product Name	Benzene, 1,3-Pentadiynyl- (9Ci)
CAS No.	4009-22-7
Molecular Formula	C11H8
Molecular Weight	140.18 g/mol
Synonyms	1,3-Pentadiyne, 1-phenyl-; 1-Phenyl-1,3-pentadiyne; Phenylpentadiyne; 1-Phenylpenta-1,3-diyn; (Phenyl)pentadiyne; Benzene, pentadiynyl-; 4009-22-7 (CAS)
EINECS	Contact for details

Quality Control

Every batch of Benzene, 1,3-Pentadiynyl- (9Ci) is produced and controlled under a strict quality management system. Our products undergo rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency meet the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Light yellow to amber liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Research Grade)
Water Content (KF)	≤ 0.5%

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