Description

1-Bromo-3,5-Diphenylbenzene is a high-purity, functionalized aromatic building block of significant interest in advanced organic synthesis. Its value lies in its role as a versatile intermediate for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This compound is essential for researchers and process chemists in the fine chemical, OLED material, and agrochemical industries who require reliable, high-quality precursors for cross-coupling reactions and ligand synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring complex biaryl or terphenyl structures.
• OLED Material Synthesis: Used in the development of organic light-emitting diode (OLED) materials, where its bromine moiety allows for efficient Suzuki or other cross-coupling reactions to create extended π-conjugated systems for emissive or charge-transport layers.
• Ligand and Catalyst Preparation: Acts as a starting material for synthesizing specialized phosphine or N-heterocyclic carbene (NHC) ligands used in homogeneous catalysis.
• Agrochemical Research: Employed in the research and development of new herbicides, fungicides, and insecticides that incorporate diphenylbenzene scaffolds for enhanced efficacy.
• Polymer and Advanced Material Science: Functions as a monomer or cross-linking agent in the production of specialty polymers, liquid crystals, and high-performance resins with tailored thermal and optical properties.
• Academic and R&D Laboratories: A valuable reagent for methodological development in organic chemistry, including studies on halogen-metal exchange and palladium-catalyzed coupling reactions.

Basic Information

Product Name	1-Bromo-3,5-Diphenylbenzene
CAS No.	103068-20-8
Molecular Formula	C18H13Br
Molecular Weight	309.20 g/mol
Synonyms	3,5-Diphenylbromobenzene; 3-Bromo-1,5-diphenylbenzene; 3,5-Diphenyl-1-bromobenzene; 1-Bromo-3,5-diphenylbenzene; 3,5-Diphenylphenyl Bromide; m-Bromo-m-terphenyl; [1,1':3',1''-Terphenyl]-5'-bromo
EINECS	Contact for details

Quality Control

Our 1-Bromo-3,5-Diphenylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 strong acids and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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