Description

(E)-4,4'-Ethylenebis(1,1'-Biphenyl) is a high-purity, conjugated organic compound characterized by its rigid, extended biphenyl structure linked by an ethylene bridge. This compound matters as a critical advanced intermediate and building block in the synthesis of sophisticated materials, where its precise geometry and electronic properties are essential. It is primarily needed by researchers and manufacturers in the pharmaceutical, organic electronics, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, conjugated backbones.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a core structure for host materials, electron transporters, or emitting layer components in display and lighting technologies.
• Liquid Crystal (LC) Synthesis: Used as a building block for creating mesogenic units in high-performance liquid crystal displays (LCDs) and optical devices.
• Polymer & Dendrimer Chemistry: Functions as a rigid linker or monomer in the synthesis of specialty polymers, dendrimers, and molecular frameworks with tailored properties.
• Organic Semiconductor Research: Employed in academic and industrial R&D for constructing charge-transport materials, organic field-effect transistors (OFETs), and photovoltaic materials.
• Ligand & Catalyst Development: Utilized to create sophisticated chelating ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	(E)-4,4'-Ethylenebis(1,1'-Biphenyl)
CAS No.	1657-71-2
Molecular Formula	C26H20
Molecular Weight	332.44 g/mol
Synonyms	trans-1,2-Bis(4-biphenylyl)ethene; 1,1'-Biphenyl, 4,4'-(1,2-ethenediyl)bis-, (E)-; 4,4'-(E)-Ethene-1,2-diylbis(1,1'-biphenyl); (E)-1,2-Bis(4-phenylphenyl)ethene; (E)-4,4'-Vinylidenebis(biphenyl); (E)-BPE; trans-4,4'-Bis(biphenyl-4-yl)ethene; EBP
EINECS	Contact for details

Quality Control

Our (E)-4,4'-Ethylenebis(1,1'-Biphenyl) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic methods (NMR, IR) for structural confirmation, to ensure compliance with exacting R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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). Keep away from strong oxidizing agents.

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
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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