Description

[1,1'-Biphenyl]-4,4'-Dicarboxylic Acid, 3,3'-Disulfo- is a high-purity, multifunctional aromatic building block that combines dicarboxylic acid and sulfonic acid functionalities on a rigid biphenyl core. This unique structure makes it a critical intermediate for synthesizing advanced materials where precise molecular architecture and solubility are paramount. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, specialty polymer, and liquid crystal industries.

Application

• Pharmaceutical Intermediate: Serves as a key precursor for active pharmaceutical ingredients (APIs), particularly in the synthesis of kinase inhibitors and other targeted therapies.
• Polymer Modification: Used to introduce sulfonate and carboxylate groups into polymers, enhancing properties like hydrophilicity, ion-exchange capacity, and dyeability for advanced membranes and fibers.
• Liquid Crystal Synthesis: Acts as a central core unit for creating novel liquid crystal compounds with specific dielectric and optical properties for display applications.
• Metal-Organic Framework (MOF) Precursor: The multiple coordination sites make it a valuable linker for constructing porous MOFs with potential applications in gas storage, separation, and catalysis.
• Dye and Pigment Intermediate: Utilized in the synthesis of high-performance, water-soluble dyes and organic pigments due to its sulfonated aromatic structure.
• Catalyst Ligand: Can be employed to design sophisticated ligands for homogeneous catalysis, leveraging its rigid, multi-dentate character.

Basic Information

Item	Details
Product Name	[1,1'-Biphenyl]-4,4'-Dicarboxylic Acid, 3,3'-Disulfo-
CAS No.	470466-07-0
Molecular Formula	C14H10O10S2
Molecular Weight	402.35 g/mol
Synonyms	3,3'-Disulfo-[1,1'-biphenyl]-4,4'-dicarboxylic acid; 4,4'-Biphenyldicarboxylic Acid-3,3'-disulfonic Acid; Biphenyl-4,4'-dicarboxylic acid-3,3'-disulfonic acid; 3,3'-Disulfobiphenyl-4,4'-dicarboxylic Acid; 4,4'-(3,3'-Disulfodiphenyl)dicarboxylic Acid; 4,4'-Dicarboxybiphenyl-3,3'-disulfonic Acid
EINECS	Contact for details

Quality Control

Every batch of [1,1'-Biphenyl]-4,4'-Dicarboxylic Acid, 3,3'-Disulfo- is manufactured under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for advanced synthetic applications. A detailed Certificate of Analysis (COA) documenting identity, purity (typically >95% by HPLC), and impurity profiles is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect purity and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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