Description

3-[(4-Aminophenyl)Sulfonyl]Benzenamine is a high-purity aromatic amine derivative featuring a sulfonyl bridge, serving as a critical building block in advanced organic synthesis. This compound is valued for its bifunctional reactivity, enabling the creation of complex molecular architectures with tailored properties. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for the development of novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including diuretics and antimicrobial agents.
• Agrochemical Synthesis: Used in the manufacture of herbicides and fungicides, leveraging its structural motif for biological activity.
• Polymer & Dye Industry: Serves as a monomer or cross-linking agent for producing high-temperature resistant polymers and as an intermediate for azo dyes and pigments.
• Material Science Research: Employed in the development of organic semiconductors, conductive polymers, and metal-organic frameworks (MOFs).
• Chemical Research & Development: A versatile reagent for constructing complex molecules in academic and industrial research laboratories.

Basic Information

Product Name	3-[(4-Aminophenyl)Sulfonyl]Benzenamine
CAS No.	34262-32-3
Molecular Formula	C12H12N2O2S
Molecular Weight	248.30 g/mol
Synonyms	3,4'-Diaminodiphenyl sulfone; 4-(3-Aminophenylsulfonyl)aniline; 4,3'-DAPS; 1-Amino-3-[(4-aminophenyl)sulfonyl]benzene; Bis(3-aminophenyl) sulfone (isomer); 3-Aminophenyl 4-aminophenyl sulfone; DADPS (isomer); 4,3'-Diaminodiphenylsulfone
EINECS	Contact for details

Quality Control

Every batch of 3-[(4-Aminophenyl)Sulfonyl]Benzenamine is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards, and comprehensive analytical testing is performed to guarantee identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specification parameters is provided with each shipment and is available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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