Description

4,4'-(Bromomethylene)Bis(Bromobenzene) is a high-purity brominated aromatic compound serving as a critical building block in advanced organic synthesis. Its unique structure, featuring a bromomethylene bridge and terminal bromine atoms, makes it an essential intermediate for constructing complex molecules with specific electronic and steric properties. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring brominated aromatic scaffolds.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides where the bromine atoms facilitate further functionalization.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing specialized ligands used in transition metal catalysis and organic transformations.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of high-performance, flame-retardant, or specialty polymers.
• Material Science Research: Employed in the development of organic electronic materials, such as OLEDs or conductive polymers, due to its electron-deficient aromatic system.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D exploring new carbon-carbon and carbon-heteroatom bond-forming reactions.

Basic Information

Product Name	4,4'-(Bromomethylene)Bis(Bromobenzene)
CAS No.	18066-91-6
Molecular Formula	C13H8Br4
Molecular Weight	516.73 g/mol
Synonyms	1,1'-(Bromomethylene)bis(4-bromobenzene); Bis(4-bromophenyl)bromomethane; α,α,α',α'-Tetrabromo-p-xylene; p,p'-(Bromomethylene)bis(bromobenzene); Tetrabromoxylene; 4,4'-Bromomethylenebis(bromobenzene); (Bromomethylene)bis(4-bromobenzene); 1,1'-(Bromomethylene)bis[4-bromobenzene]
EINECS	Contact for details

Quality Control

Our 4,4'-(Bromomethylene)Bis(Bromobenzene) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

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. This 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	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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