Description

Benzenediazonium, 4-(Aminosulfonyl)-, Tetrafluoroborate(1-) is a specialized diazonium salt derivative, recognized by CAS number 402-48-2. This compound serves as a critical precursor for the synthesis of sulfonamide-based dyes, pigments, and functional materials, offering a reactive diazonium group for efficient coupling reactions. It is primarily utilized by research and development chemists and industrial manufacturers in the fine chemical, pharmaceutical intermediate, and specialty dye sectors.

Application

• Primary Intermediate for Azo Dyes & Pigments: Key building block for synthesizing sulfonated azo dyes used in textiles, inks, and coatings.
• Pharmaceutical Synthesis: Used in the preparation of sulfonamide-containing drug candidates and active pharmaceutical ingredients (APIs).
• Functional Material Production: Employed in surface modification and the creation of diazonium-based coupling agents for polymers and composites.
• Research & Chemical Development: Essential reagent in organic synthesis laboratories for introducing the sulfonyl-diazonium functional group.
• Agrochemical Intermediate: Potential use in the synthesis of sulfonamide herbicides and plant growth regulators.

Basic Information

Item	Details
Product Name	Benzenediazonium, 4-(Aminosulfonyl)-, Tetrafluoroborate(1-)
CAS No.	402-48-2
Molecular Formula	C6H5BF4N3O2S
Molecular Weight	270.99 g/mol
Synonyms	4-Sulfamoylbenzenediazonium Tetrafluoroborate; p-Sulfamoylbenzenediazonium Tetrafluoroborate; 4-Diazoniobenzenesulfonamide Tetrafluoroborate; Diazonium Salt of Sulfanilamide Tetrafluoroborate; Benzenesulfonamide, 4-diazo-, tetrafluoroborate (1-); 402-48-2; (4-Diazoniophenyl)sulfonylazanide Tetrafluoroborate
EINECS	Contact for details

Quality Control

Our Benzenediazonium, 4-(Aminosulfonyl)-, Tetrafluoroborate(1-) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay, impurities, and other critical parameters is provided with every shipment to guarantee compliance with your research or production requirements.

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). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed under inert atmosphere (e.g., nitrogen or argon) when possible and opened only in a moisture-controlled environment.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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