Description

4,4'-Dibromo-3,3'-Dimethylbiphenyl is a high-purity brominated biphenyl derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its rigid, substituted biphenyl core, which is essential for constructing complex molecular architectures with specific steric and electronic properties. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as ligand synthesis and the development of functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a sterically hindered biphenyl moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the dibromo-dimethyl substitution pattern imparts specific biological activity.
• Ligand Precursor: Serves as a foundational material for creating sophisticated ligands used in catalysis, including those for cross-coupling reactions and asymmetric synthesis.
• Advanced Material Monomer: Employed in the research and development of high-performance polymers, liquid crystals, and organic electronic materials due to its rigid, aromatic structure.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic methodologies and constructing complex organic molecules.
• Fine Chemical Production: Integral to the multi-step synthesis of specialty chemicals used in dyes, pigments, and other performance chemicals.

Basic Information

Product Name	4,4'-Dibromo-3,3'-Dimethylbiphenyl
CAS No.	61794-96-5
Molecular Formula	C14H12Br2
Molecular Weight	340.05 g/mol
Synonyms	3,3'-Dimethyl-4,4'-dibromobiphenyl; 4,4'-Dibromo-3,3'-dimethyl-1,1'-biphenyl; Biphenyl, 4,4'-dibromo-3,3'-dimethyl-; 3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-diyl dibromide; NSC 403107
EINECS	Contact for details

Quality Control

Our 4,4'-Dibromo-3,3'-Dimethylbiphenyl is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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 strong oxidizing agents.

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.