Description

Biphenyl-3,3'-Dicarboxylic Acid Dimethyl Ester is a high-purity diester derivative of biphenyl dicarboxylic acid, serving as a critical building block and intermediate in advanced organic synthesis. This compound is valued for its rigid biphenyl core and functional ester groups, which enable precise molecular design and modification. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing active ingredients, ligands, and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its stable biphenyl structure.
• Liquid Crystal & OLED Materials: Serves as a core building block for mesogenic units in liquid crystal displays (LCDs) and as a host or dopant material in organic light-emitting diodes (OLEDs).
• Polymer & Resin Modifier: Incorporated into polyesters, polyamides, and epoxy resins to enhance thermal stability, rigidity, and mechanical properties.
• Organic Synthesis Reagent: Employed in Suzuki-Miyaura and other cross-coupling reactions to construct complex biaryl systems for research and development.
• Coordination Chemistry Ligand: Utilized to synthesize chelating ligands for metal-organic frameworks (MOFs) and catalysts.

Basic Information

Item	Detail
Product Name	Biphenyl-3,3'-Dicarboxylic Acid Dimethyl Ester
CAS No.	1751-97-9
Molecular Formula	C16H14O4
Molecular Weight	270.28 g/mol
Synonyms	Dimethyl 3,3'-Biphenyldicarboxylate; 3,3'-Biphenyldicarboxylic Acid Dimethyl Ester; Dimethyl [1,1'-Biphenyl]-3,3'-dicarboxylate; 3,3'-Dicarbomethoxybiphenyl; NSC 403107; Biphenyl-3,3'-dicarboxylic acid dimethyl ester; [1,1'-Biphenyl]-3,3'-dicarboxylic acid, dimethyl ester
EINECS	217-143-9

Quality Control

Every batch of Biphenyl-3,3'-Dicarboxylic Acid Dimethyl Ester is manufactured under a strict quality management system and undergoes comprehensive analytical testing. We ensure compliance with relevant industry standards for fine chemical intermediates. A detailed Certificate of Analysis (COA), providing specifications for identity, purity, and impurity profiles, is supplied with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

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	≤ 10 ppm

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