Description

Benzene, 1,1'-Methylenebis[3-Bromo- is a specialized brominated aromatic compound that serves as a critical intermediate in advanced organic synthesis. Its unique molecular structure, featuring a methylene bridge and bromine substituents, makes it a valuable building block 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 materials science sectors who require reliable, high-quality raw materials for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, leveraging its halogenated structure.
• Ligand and Catalyst Development: Serves as a backbone for creating sophisticated ligands used in transition metal catalysis and asymmetric synthesis.
• Polymer & Material Science: Building block for high-performance polymers, liquid crystals, and organic electronic materials due to its rigid, brominated aromatic core.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on cross-coupling reactions and molecular architecture.
• Flame Retardant Synthon: Intermediate in the synthesis of brominated flame retardants for specialized polymer applications.

Basic Information

Product Name	Benzene, 1,1'-Methylenebis[3-Bromo-
CAS No.	126950-40-1
Molecular Formula	C13H10Br2
Molecular Weight	326.03 g/mol
Synonyms	3,3'-Methylenebis(bromobenzene); 1,1'-Methylenebis(3-bromobenzene); Bis(3-bromophenyl)methane; 3,3'-(Methylenebis(benzene, 1-bromo-)); 3,3'-Dibromodiphenylmethane; (3-Bromophenyl)methane, 1,1'-(3-bromophenyl)-; 1-Bromo-3-[(3-bromophenyl)methyl]benzene
EINECS	Contact for details

Quality Control

Our production of Benzene, 1,1'-Methylenebis[3-Bromo- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory compliance 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 oxidizing agents and bases. The compound may be light-sensitive; prolonged exposure to light should be avoided.

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 (as Pb)	≤ 20 ppm

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