Description

4-Ethynyl-4'-Pentyl-1,1'-Biphenyl is a high-purity, functionalized biphenyl derivative characterized by its terminal alkyne group and pentyl chain. This molecular structure makes it a valuable advanced intermediate for the synthesis of complex organic materials, particularly in fields requiring precise molecular engineering. It is primarily utilized by R&D chemists and material scientists in the pharmaceutical, liquid crystal, and advanced polymer industries.

Application

• Liquid Crystal (LC) Synthesis: A key building block for creating novel liquid crystal molecules and dopants, contributing to improved electro-optical properties in displays.
• Pharmaceutical Intermediates: Serves as a versatile synthon in medicinal chemistry for constructing complex molecular architectures via click chemistry (e.g., CuAAC) and other alkyne-based coupling reactions.
• Organic Electronic Materials: Used in the development of organic semiconductors, light-emitting diodes (OLEDs), and other electronic materials where conjugated systems are critical.
• Polymer & Dendrimer Chemistry: Acts as a functional monomer or cross-linking agent for creating specialty polymers with tailored thermal and mechanical properties.
• Chemical Research & Development: Employed as a standard or reagent in academic and industrial R&D for exploring new synthetic methodologies and material properties.

Basic Information

Product Name	4-Ethynyl-4'-Pentyl-1,1'-Biphenyl
CAS No.	80563-43-5
Molecular Formula	C19H20
Molecular Weight	248.36 g/mol
Synonyms	4'-Pentyl-4-ethynylbiphenyl; 4-Ethynyl-4'-pentylbiphenyl; 4-(Pentylphenyl)phenylacetylene; [1,1'-Biphenyl]-4-ethynyl-4'-pentyl-; 4-Ethynyl-4'-n-pentyl-1,1'-biphenyl
EINECS	Contact for details

Quality Control

Our 4-Ethynyl-4'-Pentyl-1,1'-Biphenyl is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, identity confirmation (IR, NMR), and impurity profiling. Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is light-sensitive and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details

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