Description

3,3''-Dibromo-4,4''-Biphenol is a halogenated biphenyl derivative, a high-purity organic intermediate of significant commercial interest. This compound is valued for its role as a key building block in the synthesis of advanced polymers and specialty chemicals, where its brominated aromatic structure imparts specific properties like flame retardancy and thermal stability. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, pharmaceutical, and advanced material sectors.

Application

• Polymer Synthesis: A crucial monomer for producing high-performance engineering plastics, such as polycarbonates and polyarylates, where it enhances flame retardancy and thermal resistance.
• Pharmaceutical Intermediates: Serves as a key building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Liquid Crystal Polymers (LCPs): Used in the manufacture of LCPs for electronics, automotive, and aerospace applications due to its rigid molecular structure.
• Flame Retardant Additives: Incorporated as a reactive intermediate in the production of halogenated flame retardants for plastics and textiles.
• Advanced Material Research: Employed in R&D for developing novel organic electronic materials, ligands for catalysts, and specialty coatings.

Basic Information

Product Name	3,3''-Dibromo-4,4''-Biphenol
CAS No.	189039-64-3
Molecular Formula	C12H8Br2O2
Molecular Weight	343.99 g/mol
Synonyms	4,4'-Biphenol, 3,3'-dibromo-; 3,3'-Dibromo[1,1'-biphenyl]-4,4'-diol; 3,3'-Dibromobiphenyl-4,4'-diol; Biphenyl-4,4'-diol, 3,3'-dibromo-; 3,3'-Dibromo-4,4'-dihydroxybiphenyl; 3,3'-Dibromobiphenol; DBDBP
EINECS	Contact for details

Quality Control

Our 3,3''-Dibromo-4,4''-Biphenol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee supply reliability and batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. This material is light-sensitive (store away from light).

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	≤ 20 ppm

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