Description

4,4'-Dibromo-2,2'-Bis(Methoxycarbonyl)-1,1'-Biphenyl is a high-purity, specialized biphenyl derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its functionalized structure, which provides reactive sites for constructing complex molecules with precise electronic and steric properties. This compound is essential for researchers and manufacturers in the pharmaceutical and advanced materials sectors, particularly for developing novel active pharmaceutical ingredients (APIs) and functional polymers.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), especially those requiring a functionalized biphenyl core.
• Liquid Crystal Materials: Used in the research and production of advanced liquid crystal displays (LCDs) and other electro-optical materials due to its rigid, substituted biphenyl structure.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor or host material in the development of emissive layers for OLED devices.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of high-performance engineering plastics and specialty polymers.
• Agrochemical Synthesis: Employed as an intermediate in the creation of advanced herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Used in the synthesis of specialized dyes and organic pigments where bromine and ester groups are integral to color and stability properties.
• Academic and Industrial R&D: A valuable reagent for methodological development in organic synthesis and materials science research.

Basic Information

Product Name	4,4'-Dibromo-2,2'-Bis(Methoxycarbonyl)-1,1'-Biphenyl
CAS No.	81747-32-2
Molecular Formula	C₁₈H₁₄Br₂O₄
Molecular Weight	478.11 g/mol
Synonyms	Dimethyl 4,4'-Dibromobiphenyl-2,2'-dicarboxylate; 2,2'-Biphenyldicarboxylic Acid, 4,4'-Dibromo-, Dimethyl Ester; 4,4'-Dibromobiphenyl-2,2'-dicarboxylic Acid Dimethyl Ester; Biphenyl-2,2'-dicarboxylic Acid, 4,4'-Dibromo-, Dimethyl Ester; Dimethyl 4,4'-Dibromo[1,1'-biphenyl]-2,2'-dicarboxylate
EINECS	Contact for details

Quality Control

Our 4,4'-Dibromo-2,2'-Bis(Methoxycarbonyl)-1,1'-Biphenyl is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries like pharmaceuticals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to prevent moisture absorption and contamination.

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
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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