Description

Biphenyl-4,4'-Dicarboxylic Acid 4-Isopropyl Ester is a high-purity, functionalized biphenyl derivative serving as a critical advanced intermediate for the synthesis of complex organic molecules. Its value lies in the combination of a rigid biphenyl core with a reactive ester group, enabling precise molecular construction in demanding applications. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors who require reliable, high-quality building blocks for their development and production processes.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring rigid, aromatic linkers.
• Liquid Crystal & OLED Material Precursor: Used in the development of advanced electronic display materials and organic light-emitting diodes due to its stable biphenyl structure.
• Agrochemical Synthesis: Intermediate in creating novel herbicides, fungicides, and plant growth regulators with enhanced stability.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent for producing high-performance engineering plastics, coatings, and adhesives.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D for constructing complex biphenyl-based architectures.
• Coordination Chemistry Ligand: Potential precursor for ligands used in catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	Biphenyl-4,4'-Dicarboxylic Acid 4-Isopropyl Ester
CAS No.	728918-98-7
Molecular Formula	C20H22O4
Molecular Weight	326.39 g/mol
Synonyms	4,4'-Biphenyldicarboxylic Acid 4-Isopropyl Ester; 4-Isopropyl Biphenyl-4,4'-Dicarboxylate; [1,1'-Biphenyl]-4,4'-dicarboxylic acid, 4-(1-methylethyl) ester; Isopropyl 4'-(isopropoxycarbonyl)-[1,1'-biphenyl]-4-carboxylate; Biphenyl-4,4'-dicarboxylic acid bis(1-methylethyl) ester (related structure); Biphenyl Diester Derivative
EINECS	Contact for details

Quality Control

Our Biphenyl-4,4'-Dicarboxylic Acid 4-Isopropyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for GMP or research purposes.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.