Description

4,4'-Dichlorodiphenic Acid is a high-purity, halogenated biphenyl derivative serving as a critical advanced intermediate in organic synthesis. Its value lies in providing a rigid, functionalized aromatic core for constructing complex molecules with specific electronic and steric properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to develop active ingredients and high-performance materials. Reliable access to consistent, high-quality material is fundamental for process development and scale-up in these sectors.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a halogenated biphenyl scaffold.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand Precursor: Serves as a starting material for synthesizing specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Acts as a monomer or co-monomer for creating high-performance engineering plastics and resins with enhanced thermal stability.
• Material Science Research: Employed in the development of organic electronic materials, such as those for OLEDs or semiconductors.
• Chemical Research & Development: A versatile intermediate for academic and industrial R&D exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	4,4'-Dichlorodiphenic Acid
CAS No.	54389-65-0
Molecular Formula	C14H8Cl2O4
Molecular Weight	311.12 g/mol
Synonyms	4,4'-Dichloro[1,1'-biphenyl]-2,2'-dicarboxylic Acid; 2,2'-Biphenyldicarboxylic Acid, 4,4'-Dichloro-; 4,4'-Dichlorobiphenyl-2,2'-dicarboxylic Acid; 4,4'-Dichlorodiphenyl-2,2'-dicarboxylic Acid; DCDPA; 4,4'-Dichloro-2,2'-biphenyldicarboxylic Acid
EINECS	Contact for details

Quality Control

Every batch of our 4,4'-Dichlorodiphenic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards and customer-specific requirements. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles as determined by advanced analytical techniques, is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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 acids and organic solvents. The container must be kept tightly closed to prevent contamination and moisture absorption.

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.