Description

Biphenyl-3,3'-Dicarboxylic Acid 3-Isopropyl Ester is a high-purity organic intermediate characterized by its biphenyl core and ester functional groups. This compound is valued for its role as a versatile building block in the synthesis of advanced materials and fine chemicals, offering precise structural control. It is primarily sought by R&D laboratories and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a rigid biphenyl scaffold.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Acts as a core building block for creating novel liquid crystal compounds and organic light-emitting diode (OLED) materials due to its planar, conjugated structure.
• Polymer & Resin Modifier: Incorporated into specialty polymers, epoxy resins, and polyesters to enhance thermal stability, mechanical properties, and chemical resistance.
• Organic Synthesis & Research: A valuable reagent in academic and industrial organic chemistry for constructing complex molecular architectures.
• Coating & Adhesive Formulations: Used to develop high-performance coatings and adhesives with improved durability and environmental resistance.

Basic Information

Product Name	Biphenyl-3,3'-Dicarboxylic Acid 3-Isopropyl Ester
CAS No.	728918-79-4
Molecular Formula	C20H22O4
Molecular Weight	326.39 g/mol
Synonyms	3,3'-Biphenyldicarboxylic Acid Diisopropyl Ester; Diisopropyl 3,3'-Biphenyldicarboxylate; Diisopropyl [1,1'-Biphenyl]-3,3'-dicarboxylate; 3,3'-Diisopropoxycarbonylbiphenyl; Biphenyl-3,3'-dicarboxylic acid diisopropyl ester; [1,1'-Biphenyl]-3,3'-dicarboxylic acid, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our Biphenyl-3,3'-Dicarboxylic Acid 3-Isopropyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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