Description

4-(4-(Formylphenyl)Phenylsulfonic Acid is a specialized aromatic sulfonic acid derivative that serves as a high-value intermediate in advanced organic synthesis. Its unique bifunctional structure, featuring both a formyl and a sulfonic acid group, makes it a critical building block for creating complex molecules with tailored properties. This compound is essential for research and production in industries such as pharmaceuticals, agrochemicals, and specialty polymers, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs and other bioactive molecules.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators requiring specific sulfonic acid functionalities.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing ion-exchange resins, conductive polymers, and specialty polyelectrolytes.
• Dye & Pigment Manufacturing: Intermediate for synthesizing high-performance, water-soluble dyes and organic pigments.
• Catalyst & Ligand Preparation: Serves as a starting material for creating metal-organic frameworks (MOFs) and specialized catalysts.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	4-(4-(Formylphenyl)Phenylsulfonic Acid
CAS No.	765217-66-1
Molecular Formula	C13H10O4S
Molecular Weight	262.28 g/mol
Synonyms	4-Formylbiphenyl-4'-sulfonic Acid; [1,1'-Biphenyl]-4-sulfonic acid, 4'-formyl-; 4'-Formyl[1,1'-biphenyl]-4-sulfonic Acid; 4-(4-Formylphenyl)benzenesulfonic Acid; p-Formylphenylphenylsulfonic Acid; Biphenyl-4-sulfonic acid, 4'-formyl-; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our 4-(4-(Formylphenyl)Phenylsulfonic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Sulfated Ash	≤ 0.1%

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