Description

4,4'-Bis(Bromomethyl)-Diphenyl Ether is a high-purity brominated aromatic compound, serving as a versatile and critical building block in advanced organic synthesis. Its bifunctional bromomethyl groups make it an essential precursor for creating polymers, flame retardants, and specialty chemicals with tailored properties. This product is primarily sought by R&D laboratories and industrial manufacturers in the polymer, pharmaceutical, and material science sectors for developing high-performance materials.

Application

• Polymer Chemistry: A key monomer for synthesizing high-performance engineering plastics, polyethers, and thermosetting resins.
• Flame Retardant Synthesis: Serves as a reactive intermediate in the production of brominated flame retardants for textiles, plastics, and electronics.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Cross-linking Agent: Functions as an efficient cross-linker in the formulation of specialty adhesives, coatings, and elastomers.
• Liquid Crystal Materials: Acts as a precursor in the synthesis of monomers for liquid crystal polymers (LCPs) and display materials.
• Organic Synthesis: A valuable reagent for introducing diphenyl ether bridges and for further functionalization via nucleophilic substitution reactions.

Basic Information

Product Name	4,4'-Bis(Bromomethyl)-Diphenyl Ether
CAS No.	4542-75-0
Molecular Formula	C₁₆H₁₄Br₂O
Molecular Weight	374.09 g/mol
Synonyms	1,1'-[Oxybis(4,1-phenylene)]bis(bromomethane); Bis(4-bromomethylphenyl) Ether; 4,4'-Bis(bromomethyl)diphenyl Ether; p,p'-Oxybis(bromomethylbenzene); α,α'-Dibromo-p,p'-oxyditolyl; DBBPE; NSC 403119; 4-Bromomethylphenyl Ether
EINECS	Contact for details

Quality Control

Every batch of 4,4'-Bis(Bromomethyl)-Diphenyl Ether is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards, and comprehensive analytical testing is performed to verify identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for each parameter is provided with every shipment to guarantee reliable quality and traceability for your processes.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	105 - 110 °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.