Description

4,4'-Bis(Bromomethyl)Biphenyl is a high-value organic intermediate featuring two reactive bromomethyl groups on a rigid biphenyl core. This compound matters for its versatility as a key building block in the synthesis of advanced materials and specialty chemicals. It is primarily needed by R&D laboratories and manufacturers in the pharmaceutical, polymer, and liquid crystal industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring rigid, aromatic linkers.
• Polymer Cross-linking Agent: Used to introduce cross-links into polymer chains, enhancing thermal stability, mechanical strength, and chemical resistance in high-performance resins and coatings.
• Liquid Crystal Monomer: Acts as a fundamental building block for the synthesis of liquid crystal compounds used in display technologies (LCDs) and optical devices.
• Organic Synthesis Building Block: Employed in various organic transformations, including nucleophilic substitutions and polymerization reactions, to create complex organic molecules and dendrimers.
• Material Science Research: Utilized in the development of novel porous organic polymers (POPs), metal-organic frameworks (MOFs), and other advanced functional materials.
• Flame Retardant Synergist: Can be incorporated as a brominated component in formulations to improve the flame-retardant properties of plastics and textiles.

Basic Information

Product Name	4,4'-Bis(Bromomethyl)Biphenyl
CAS No.	20248-86-6
Molecular Formula	C14H12Br2
Molecular Weight	340.06 g/mol
Synonyms	1,1'-Biphenyl, 4,4'-bis(bromomethyl)-; p,p'-Bis(bromomethyl)biphenyl; 4,4'-Bis(bromomethyl)-1,1'-biphenyl; α,α'-Dibromo-p-xylene biphenyl; BBM; Bibenzyl-4,4'-bis(bromomethyl); 4,4'-(Bromomethyl)bibenzyl
EINECS	243-667-6

Quality Control

Our 4,4'-Bis(Bromomethyl)Biphenyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

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. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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