Description

1,1'-Biphenyl, 2,2'-Dibromo-4,4'-Dimethyl- is a specialized brominated biphenyl derivative, a key intermediate in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in materials science and pharmaceutical research, where precise halogenation is critical. It is needed by R&D chemists and process engineers in the agrochemical, liquid crystal, and specialty polymer industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring halogenated biphenyl cores.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and other crop protection agents.
• Liquid Crystal Materials: Acts as a key precursor in the production of halogenated biphenyl-based liquid crystals for display technologies.
• Specialty Polymer Monomer: Employed in the synthesis of high-performance, flame-retardant, or specialty engineering plastics.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a potential intermediate for electron-transport or host materials in OLED device fabrication.
• Cross-Coupling Reactions: Functions as a valuable substrate in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Stille) to create complex biaryl systems.
• Laboratory Research: Used as a standard or reagent in academic and industrial R&D for methodological studies in organic chemistry.

Basic Information

Product Name	1,1'-Biphenyl, 2,2'-Dibromo-4,4'-Dimethyl-
CAS No.	85590-05-2
Molecular Formula	C14H12Br2
Molecular Weight	340.05 g/mol
Synonyms	2,2'-Dibromo-4,4'-dimethylbiphenyl; 4,4'-Dimethyl-2,2'-dibromobiphenyl; 2,2'-Dibromo-4,4'-dimethyl-1,1'-biphenyl; Biphenyl, 2,2'-dibromo-4,4'-dimethyl-; 2,2'-Dibromo-4,4'-dimethyl-diphenyl
EINECS	Contact for details

Quality Control

Our 1,1'-Biphenyl, 2,2'-Dibromo-4,4'-Dimethyl- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.