Description

Bis(3-Bromophenyl)Acetylene is a high-purity, diarylacetylene derivative featuring bromine substituents on both aromatic rings, making it a versatile and valuable building block in advanced organic synthesis. Its rigid, linear structure and reactive bromine sites are critical for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This compound is essential for researchers and manufacturers in the fields of organic electronics, agrochemicals, and medicinal chemistry who require precise, high-quality intermediates for cross-coupling reactions and polymer synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds targeting central nervous system disorders and oncology.
• Organic Electronic Materials: Used as a core building block for the development of organic semiconductors, light-emitting diodes (OLEDs), and photovoltaic materials due to its conjugated system.
• Agrochemical Synthesis: Acts as an intermediate in creating novel fungicides and herbicides with enhanced efficacy and environmental profiles.
• Ligand and Catalyst Development: Employed in the preparation of specialized phosphine or N-heterocyclic carbene (NHC) ligands for transition metal catalysis.
• Polymer Chemistry: A monomer for synthesizing specialty poly(arylene ethynylene)s and other high-performance polymers with tailored optical and electronic properties.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D for Suzuki, Sonogashira, and other palladium-catalyzed cross-coupling reactions.

Basic Information

Product Name	Bis(3-Bromophenyl)Acetylene
CAS No.	153404-60-5
Molecular Formula	C14H8Br2
Molecular Weight	336.02 g/mol
Synonyms	1,1'-(1,2-Ethynediyl)bis[3-bromobenzene]; 3,3'-Dibromodiphenylacetylene; 1,3-Dibromo-5-(phenylethynyl)benzene (isomer); Bis(m-bromophenyl)acetylene; Di(3-bromophenyl)ethyne; m,m'-Dibromodiphenylacetylene
EINECS	Contact for details

Quality Control

Our Bis(3-Bromophenyl)Acetylene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and quantify impurities. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your research or production requirements.

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 flame. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	125 - 130 °C
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Solubility	Soluble in common organic solvents (THF, DCM, DMF)

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