Description

4,4'-(Bromomethylene)Bis(Chlorobenzene) is a specialized halogenated organic compound, serving as a critical building block in advanced chemical synthesis. Its unique molecular structure, featuring both bromine and chlorine substituents, makes it a valuable intermediate for constructing complex molecules with specific electronic and steric properties. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring halogenated aromatic motifs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where its halogen atoms contribute to biological activity and stability.
• Liquid Crystal & OLED Materials: Serves as a precursor in the manufacture of halogenated aromatic cores for electronic display and lighting materials.
• Polymer & Resin Modification: Acts as a cross-linking agent or functional monomer to introduce halogenated units into polymer chains, enhancing flame retardancy or other properties.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D for Suzuki, Stille, or other cross-coupling reactions to create complex biaryl systems.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized halogenated dyes and pigments.

Basic Information

Product Name	4,4'-(Bromomethylene)Bis(Chlorobenzene)
CAS No.	6306-46-3
Molecular Formula	C13H9BrCl2
Molecular Weight	324.02 g/mol
Synonyms	1,1'-(Bromomethylene)bis[4-chlorobenzene]; Bis(4-chlorophenyl)bromomethane; 4,4'-(Bromomethylene)bis(chlorobenzene); α-Bromo-4,4'-dichlorodiphenylmethane; (4-Chlorophenyl)(bromo)(4-chlorophenyl)methane; p,p'-(Bromomethylene)bis(chlorobenzene); 1-Bromo-1,1-bis(4-chlorophenyl)methane
EINECS	228-606-9

Quality Control

Our 4,4'-(Bromomethylene)Bis(Chlorobenzene) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global clientele in regulated industries. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to ensure full traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

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%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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