Description

Biphenyl-4,4''-Dicarboxylic Acid Diamide is a high-purity organic intermediate featuring a rigid biphenyl core with terminal amide functionalities. This compound is valued for its role in synthesizing advanced materials, particularly high-performance polymers and liquid crystals, where its molecular structure imparts thermal stability and specific alignment properties. It is primarily sought by manufacturers in the specialty chemicals, advanced polymer, and electronic materials industries for research and production-scale applications.

Application

• Liquid Crystal (LC) Manufacturing: A key monomer or intermediate in the synthesis of thermotropic liquid crystals for displays and optical devices.
• High-Performance Polymer Synthesis: Serves as a building block for polyamides, polyimides, and other engineering plastics requiring high thermal and chemical resistance.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) with complex aromatic structures.
• Organic Semiconductor Research: Investigated as a potential component in the development of organic electronic materials due to its conjugated system.
• Cross-linking Agent: Can function as a cross-linker in polymer systems to enhance mechanical strength and thermal properties.
• Specialty Chemical Synthesis: Employed as a versatile intermediate for creating complex organic molecules in agrochemical and dye chemistry.

Basic Information

Product Name	Biphenyl-4,4''-Dicarboxylic Acid Diamide
CAS No.	67356-70-1
Molecular Formula	C14H12N2O2
Molecular Weight	240.26 g/mol
Synonyms	4,4'-Diaminodiphenyl-4,4''-dicarboxamide; [1,1'-Biphenyl]-4,4'-dicarboxamide; p,p'-Biphenyldicarboxamide; 4,4'-Biphenyldicarboxylic acid diamide; Biphenyl-4,4'-dicarboxylic acid bisamide; Biphenyldicarboxamide; BPDCA
EINECS	Contact for details

Quality Control

Our Biphenyl-4,4''-Dicarboxylic Acid Diamide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.