Description

4,4'-Dibromo-2,2'-Dimethylbiphenyl is a high-purity brominated biphenyl derivative, serving as a critical advanced intermediate in organic synthesis. Its value lies in its role as a versatile building block for constructing complex molecular architectures, particularly in the development of specialized polymers and functional materials. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced material science industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring rigid, brominated aromatic cores.
• Liquid Crystal & OLED Material Synthesis: Serves as a fundamental building block for creating brominated monomers used in liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Polymer & Resin Modification: Used to introduce bromine functional groups into polymer backbones, enhancing flame retardancy and thermal stability in high-performance engineering plastics.
• Agrochemical Synthesis: Intermediate in the production of certain herbicides and fungicides where the dimethylbiphenyl structure is required.
• Ligand & Catalyst Development: Useful in organometallic chemistry for synthesizing novel phosphine or nitrogen-based ligands for catalytic systems.
• Research & Development: Employed in academic and industrial R&D for exploring new reactions and material properties of brominated aromatic compounds.

Basic Information

Product Name	4,4'-Dibromo-2,2'-Dimethylbiphenyl
CAS No.	31458-17-0
Molecular Formula	C14H12Br2
Molecular Weight	340.05 g/mol
Synonyms	2,2'-Dimethyl-4,4'-dibromobiphenyl; 4,4'-Dibromo-2,2'-dimethyl-1,1'-biphenyl; Biphenyl, 4,4'-dibromo-2,2'-dimethyl-; 2,2'-Dimethyl-4,4'-dibromo-1,1'-biphenyl; NSC 163083; 4,4'-Dibromo-2,2'-dimethylbiphenyl
EINECS	Contact for details

Quality Control

Our 4,4'-Dibromo-2,2'-Dimethylbiphenyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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 heat, sparks, and open flame. 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%
Heavy Metals	≤ 20 ppm

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