Description

4',5'-Bis(4-Sulfophenyl)-[1,1':2',1"-Terphenyl]-4,4"-Disulfonic Acid is a high-purity, multi-sulfonated organic intermediate designed for advanced material synthesis. Its value lies in its ability to impart water solubility, ionic character, and specific electronic properties to complex molecules and polymers. This compound is essential for researchers and manufacturers in the fields of dye and pigment chemistry, conductive polymers, and specialty surfactants. CAS No. 1629096-09-8.

Application

• Functional Dye & Pigment Synthesis: As a key sulfonated building block for creating water-soluble, anionic dyes and high-performance pigments.
• Conductive Polymer Precursor: Used in the development of sulfonated polyelectrolytes for proton exchange membranes (PEMs) in fuel cells and battery applications.
• Specialty Surfactant Intermediate: Serves as a multi-functional core for synthesizing novel surfactants and dispersants with enhanced solubility and charge density.
• Liquid Crystal & OLED Materials: Incorporated into the molecular structure of advanced display and lighting materials to modify solubility and self-assembly properties.
• Chemical Sensor Development: Utilized as a functional moiety in sensor materials for ion detection due to its strong ionic character.
• Pharmaceutical Intermediate: Potential use in the synthesis of sulfonated drug candidates or as a solubility-enhancing component.
• Catalyst & Ligand Synthesis: Acts as a precursor for water-soluble ligands used in homogeneous catalysis.
• Research & Development: A versatile tool for academic and industrial R&D in organic synthesis and material science.

Basic Information

Product Name	4',5'-Bis(4-Sulfophenyl)-[1,1':2',1"-Terphenyl]-4,4"-Disulfonic Acid
CAS No.	1629096-09-8
Molecular Formula	C30H22O12S4
Molecular Weight	694.75 g/mol
Synonyms	4',5'-Bis(4-sulfophenyl)-1,1':2',1"-terphenyl-4,4"-disulfonic acid; 1,1':2',1"-Terphenyl-4',5'-bis(4-sulfophenyl)-4,4"-disulfonic acid; Tetrasulfonated Terphenyl Derivative; TPDS-4; [1,1':2',1"-Terphenyl]-4',5'-bis(4-sulfophenyl)-4,4"-disulfonic acid; 4,4',4'',4'''-Tetrasulfo-1,1':2',1''-terphenyl; BSP-TPDS
EINECS	Contact for details

Quality Control

Our production of 4',5'-Bis(4-Sulfophenyl)-[1,1':2',1"-Terphenyl]-4,4"-Disulfonic Acid adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D processes.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place at a controlled room temperature (15-25°C). For long-term storage, consider desiccated conditions to maintain product integrity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (in Water)	Clear, yellow solution

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