Description

1,2-Di([1,1'-Biphenyl]-4-Yl)Ethyne is a high-purity organic compound featuring a rigid, conjugated ethynyl-linked biphenyl structure. This molecular architecture is crucial for applications requiring advanced electronic properties and precise molecular scaffolding. It serves as a key synthetic intermediate and building block for researchers and manufacturers in the fields of organic electronics and advanced materials.

Application

• Organic Light-Emitting Diodes (OLEDs): As a core building block for host or emitter materials in display and lighting technologies.
• Organic Photovoltaics (OPVs): Utilized in the synthesis of electron-donor or acceptor materials for solar cell applications.
• Organic Field-Effect Transistors (OFETs): Serves as a precursor for semiconducting layers in flexible electronics.
• Liquid Crystal Displays (LCDs): A potential intermediate for the synthesis of liquid crystal compounds.
• Pharmaceutical Intermediates: Used in the research and development of novel active pharmaceutical ingredients (APIs).
• Material Science Research: Acts as a rigid linker or spacer in the construction of Metal-Organic Frameworks (MOFs) and other functional materials.
• Chemical Synthesis: A valuable reagent for cross-coupling reactions and the construction of complex, conjugated molecular systems.

Basic Information

Item	Detail
Product Name	1,2-Di([1,1'-Biphenyl]-4-Yl)Ethyne
CAS No.	21326-80-7
Molecular Formula	C32H22
Molecular Weight	406.52 g/mol
Synonyms	1,2-Bis([1,1'-biphenyl]-4-yl)ethyne; 4,4'-(1,2-Ethynediyl)bisbiphenyl; 1,2-Bis(4-phenylphenyl)ethyne; 4,4'-Diethynylbiphenyl (common misnomer, check structure); Biphenyl-4,4'-diyl diethynyl derivative; p-Terphenyl derivative, ethynyl-linked; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 1,2-Di([1,1'-Biphenyl]-4-Yl)Ethyne is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance for demanding R&D and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at room temperature (15-25°C). This compound is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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