Description

4'-Bromo-2,3,4,5-Tetrachloro-1,1'-Biphenyl is a halogenated biphenyl derivative of significant interest in advanced chemical synthesis and materials research. This compound serves as a versatile and highly functionalized building block for the development of complex organic molecules and specialized polymers. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors. Its specific substitution pattern makes it a valuable intermediate for creating compounds with tailored electronic and steric properties.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel active pharmaceutical ingredients (APIs), particularly for creating complex molecular scaffolds.
• Agrochemical Research: Serves as a key precursor in the development of new herbicides, fungicides, and other crop protection agents.
• Liquid Crystal & OLED Materials: Acts as a functionalized core unit in the synthesis of advanced materials for electronic displays and organic light-emitting diodes.
• Polymer Chemistry: Employed as a monomer or cross-linking agent to introduce bromo and chloro functionalities into specialty polymers, influencing thermal stability and flame retardancy.
• Organic Synthesis & Catalysis: Utilized as a benchmark substrate or ligand precursor in catalytic reactions and methodological studies in academic and industrial R&D laboratories.
• Chemical Reference Standard: Supplied for analytical purposes, including environmental testing related to halogenated organic compound analysis.

Basic Information

Item	Detail
Product Name	4'-Bromo-2,3,4,5-Tetrachloro-1,1'-Biphenyl
CAS No.	82845-25-8
Molecular Formula	C12H5BrCl4
Molecular Weight	395.88 g/mol
Synonyms	1,1'-Biphenyl, 4'-bromo-2,3,4,5-tetrachloro-; 2,3,4,5-Tetrachloro-4'-bromobiphenyl; 4'-Bromo-2,3,4,5-tetrachlorobiphenyl; PCB 128 (congener); Bromotetrachlorobiphenyl; Halogenated biphenyl intermediate; Tetrachlorobromobiphenyl
EINECS	Contact for details

Quality Control

Our 4'-Bromo-2,3,4,5-Tetrachloro-1,1'-Biphenyl is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC-MS, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for research and process development applications.

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 the container sealed to prevent contamination and moisture absorption. This material is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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