Description

1,3-Phenylenebis((4-Bromophenyl)Methanone) is a high-purity, specialized organic compound belonging to the diaryl ketone class, serving as a critical building block in advanced chemical synthesis. Its value lies in its precise molecular architecture, which provides a rigid, brominated aromatic core essential for constructing complex polymers and functional materials. This product is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring high-performance intermediates. The compound is supplied to meet the stringent quality demands of industrial and research-scale chemical manufacturing.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules for drug discovery.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of high-performance engineering plastics, liquid crystal polymers (LCPs), and polyaryletherketones (PAEKs).
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides, leveraging its brominated aromatic structure.
• Material Science Research: Employed in the creation of novel organic electronic materials, such as those for organic light-emitting diodes (OLEDs) and photovoltaics.
• Ligand and Catalyst Development: Functions as a backbone for synthesizing sophisticated ligands used in transition metal catalysis and coordination chemistry.
• Custom Chemical Synthesis: Provides a versatile scaffold for contract research organizations (CROs) and fine chemical manufacturers to produce bespoke compounds.

Basic Information

Product Name	1,3-Phenylenebis((4-Bromophenyl)Methanone)
CAS No.	136039-69-5
Molecular Formula	C26H16Br2O2
Molecular Weight	520.22 g/mol
Synonyms	1,3-Bis(4-bromobenzoyl)benzene; 1,3-Di(4-bromobenzoyl)benzene; 4,4'-(1,3-Phenylenedicarbonyl)dibromobenzene; Bis(4-bromophenyl)(1,3-phenylene)dimethanone; [1,1'-Biphenyl]-4,4'-dicarboxylic acid, 3,3',5,5'-tetrabromo- derivative (related); 136039-69-5; Light-sensitive diaryl ketone intermediate
EINECS	Contact for details

Quality Control

Our 1,3-Phenylenebis((4-Bromophenyl)Methanone) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure compliance with exacting customer specifications and industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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