Description

3,4-Dibromobenzenesulfonamide is a specialized brominated aromatic sulfonamide derivative, serving as a crucial synthetic intermediate in advanced organic chemistry. Its value lies in its dual functionality, providing both a sulfonamide group and bromine atoms for selective substitution and coupling reactions. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for constructing complex molecules, as well as by manufacturers of specialty dyes and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting enzymes where the sulfonamide moiety is pharmacologically active.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its halogenated structure for bioactivity.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers, resins, and advanced organic electronic materials.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of complex, high-performance dyes and pigments, especially brominated variants.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and protein functions.
• Cross-Coupling Reactions: The bromine atoms make it a valuable substrate for palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) to create diverse biaryl structures.

Basic Information

Product Name	3,4-Dibromobenzenesulfonamide
CAS No.	477843-34-8
Molecular Formula	C6H5Br2NO2S
Molecular Weight	314.98 g/mol
Synonyms	Benzenesulfonamide, 3,4-dibromo-; 3,4-Dibromobenzene-1-sulfonamide; 1,2-Dibromo-4-sulfamoylbenzene; 4-Sulfamoyl-1,2-dibromobenzene; 3,4-Dibromophenylsulfonamide; NSC 405124; 3,4-DBBSA
EINECS	Contact for details

Quality Control

Our 3,4-Dibromobenzenesulfonamide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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