Description

Benzenesulfonamide, 4-Amino-3-[2-[4-(Aminosulfonyl)Phenyl]Diazenyl]- is a specialized diazo compound belonging to the sulfonamide chemical class, characterized by its distinct molecular structure. This compound serves as a critical intermediate in the synthesis of dyes, pigments, and functional materials, where its dual sulfonamide and amino-diazenyl groups provide valuable reactivity. It is primarily required by manufacturers in the fine chemical, specialty dye, and advanced material research sectors for developing products with specific chromophoric or binding properties.

Application

• Dye and Pigment Intermediate: A key precursor for synthesizing azo dyes and organic pigments, particularly for applications requiring high color strength and thermal stability.
• Functional Material Synthesis: Used in the research and development of advanced polymers and coatings where sulfonamide groups can impart specific solubility or ionic characteristics.
• Chemical Research Reagent: Serves as a building block in organic synthesis for pharmaceutical and agrochemical research, exploring novel sulfonamide-based active molecules.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic analysis and method development for sulfonamide detection.

Basic Information

Product Name	Benzenesulfonamide, 4-Amino-3-[2-[4-(Aminosulfonyl)Phenyl]Diazenyl]-
CAS No.	4392-39-6
Molecular Formula	C12H12N6O4S2
Molecular Weight	368.39 g/mol
Synonyms	4-Amino-3-[2-[4-(aminosulfonyl)phenyl]diazenyl]benzenesulfonamide; 3-[(4-Sulfamoylphenyl)diazenyl]-4-aminobenzenesulfonamide; 4-Amino-3-(4-sulfamoylphenyldiazenyl)benzenesulfonamide; Direct Yellow 4G (related dye class); C.I. 18965; Diazenediylbis[4-aminobenzenesulfonamide] (isomeric); 4,4'-Diazenediyldi(benzenesulfonamide), 3,3'-diamino-
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonamide, 4-Amino-3-[2-[4-(Aminosulfonyl)Phenyl]Diazenyl]- adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and compliance with relevant industry standards.

Storage

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

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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