Description

[1,1'-Biphenyl]-4,4'-Dicarboxylic Acid, 3,3'-Dimethoxy- is a high-purity, functionalized biphenyl derivative that serves as a critical advanced intermediate in organic synthesis. Its value lies in its rigid, conjugated biphenyl core and strategically placed methoxy and carboxylic acid functional groups, enabling the construction of complex molecules with precise electronic and steric properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, particularly for developing active pharmaceutical ingredients (APIs), liquid crystal polymers, and specialty organic electronic materials.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, especially those requiring rigid, planar aromatic scaffolds.
• Liquid Crystal Monomer: Used in the production of monomers for high-performance liquid crystal polymers (LCPs) and displays due to its rod-like molecular structure.
• Organic Semiconductor Precursor: Serves as a precursor for organic light-emitting diodes (OLEDs) and other electronic materials where controlled conjugation is critical.
• Metal-Organic Framework (MOF) Synthesis: Acts as a versatile organic linker for constructing porous coordination polymers with specific pore geometries.
• Agrochemical Synthesis: Employed in the research and development of advanced herbicides and fungicides.
• Polymer Modification: Used to introduce aromatic dicarboxylic acid units into polyesters and polyamides to enhance thermal stability and mechanical properties.
• Dye and Pigment Intermediate: A starting material for synthesizing specialized dyes and pigments with high color fastness.

Basic Information

Product Name	[1,1'-Biphenyl]-4,4'-Dicarboxylic Acid, 3,3'-Dimethoxy-
CAS No.	861600-12-6
Molecular Formula	C16H14O6
Molecular Weight	302.28 g/mol
Synonyms	3,3'-Dimethoxybiphenyl-4,4'-dicarboxylic Acid; 4,4'-(3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-diyl)dibenzoic Acid; 3,3'-Dimethoxy-4,4'-biphenyldicarboxylic Acid; 3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-dicarboxylic Acid; Biphenyl-4,4'-dicarboxylic acid, 3,3'-dimethoxy-; 3,3'-Dimethoxybiphenyl-4,4'-dicarboxylic acid; 4,4'-Dicarboxy-3,3'-dimethoxybiphenyl
EINECS	Contact for details

Quality Control

Our [1,1'-Biphenyl]-4,4'-Dicarboxylic Acid, 3,3'-Dimethoxy- is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are provided with each shipment and are available upon request.

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). The product is compatible with strong acids and organic solvents but should be kept away from strong oxidizing agents. Keep the container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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