Description

4-Bromo-4'-Ethynyl-1,1'-Biphenyl is a high-purity, functionalized biphenyl derivative featuring both bromo and ethynyl substituents. This compound is a critical advanced organic intermediate for constructing complex molecular architectures via cross-coupling and click chemistry reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of potential drug candidates, particularly for targeted therapies.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: A precursor for conjugated polymers and small molecules used in OLEDs, OFETs, and photovoltaic cells.
• Ligand and Catalyst Development: The ethynyl group enables its use in creating novel ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Functions as a monomer or cross-linking agent for synthesizing specialty polymers with tailored properties.
• Chemical Research: A versatile reagent for Suzuki, Sonogashira, and other palladium-catalyzed cross-coupling reactions in academic and industrial R&D.

Basic Information

Product Name	4-Bromo-4'-Ethynyl-1,1'-Biphenyl
CAS No.	109797-76-4
Molecular Formula	C14H9Br
Molecular Weight	257.13 g/mol
Synonyms	4'-Ethynyl-4-bromobiphenyl; 4-Bromo-4'-ethynylbiphenyl; [1,1'-Biphenyl]-4-bromo-4'-ethynyl; 4-(4-Bromophenyl)phenylacetylene; p-Bromo-p'-ethynylbiphenyl
EINECS	Contact for details

Quality Control

Our 4-Bromo-4'-Ethynyl-1,1'-Biphenyl is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and structural integrity. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment 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 place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

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

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