Description

Biphenyl-3,4'-Dicarboxylic Acid 3-Isopropyl Ester is a high-purity, synthetic organic compound serving as a critical advanced intermediate in fine chemical synthesis. Its unique biphenyl dicarboxylate structure makes it a valuable building block for creating complex molecules with tailored properties. This product is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of 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 biphenyl core for biological activity.
• Liquid Crystal & OLED Materials: Serves as a foundational monomer for creating liquid crystal polymers and organic light-emitting diode (OLED) materials due to its rigid, planar structure.
• Polymer & Resin Modifier: Incorporated as a co-monomer or cross-linking agent to enhance the thermal stability, mechanical strength, and chemical resistance of engineering plastics and specialty resins.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing complex biphenyl-based ligands, catalysts, and supramolecular structures.
• Dye & Pigment Intermediate: Utilized in the production of high-performance dyes and organic pigments where color fastness and stability are paramount.

Basic Information

Product Name	Biphenyl-3,4'-Dicarboxylic Acid 3-Isopropyl Ester
CAS No.	282727-24-6
Molecular Formula	C19H20O4
Molecular Weight	312.36 g/mol
Synonyms	3-Isopropyl biphenyl-3,4'-dicarboxylate; 3,4'-Biphenyldicarboxylic Acid 3-Isopropyl Ester; Isopropyl 3'-(isopropoxycarbonyl)-[1,1'-biphenyl]-4-carboxylate; [1,1'-Biphenyl]-3,4'-dicarboxylic acid, 3-(1-methylethyl) ester; Biphenyl-3,4'-dicarboxylic acid mono-isopropyl ester; 3-Isopropoxycarbonyl-4'-carboxybiphenyl isopropyl ester; BPDI-IPE
EINECS	Contact for details

Quality Control

Our Biphenyl-3,4'-Dicarboxylic Acid 3-Isopropyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and lot-to-lot consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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