Description

4-Bromo-3-Nitrobenzenesulfonamide is a versatile aromatic sulfonamide derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the strategic positioning of its bromo and nitro functional groups, which enable selective substitution and coupling reactions for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Dyestuff and Pigment Manufacturing: Serves as a precursor for synthesizing specialized azo dyes and high-performance pigments.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers with specific thermal or chemical resistance.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic transformations and creating compound libraries.
• Ligand and Catalyst Preparation: Utilized in the synthesis of complex ligands for catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	4-Bromo-3-Nitrobenzenesulfonamide
CAS No.	4750-20-3
Molecular Formula	C6H5BrN2O4S
Molecular Weight	281.09 g/mol
Synonyms	3-Nitro-4-bromobenzenesulfonamide; Benzenesulfonamide, 4-bromo-3-nitro-; 4-Bromo-3-nitrobenzene-1-sulfonamide; 4-Bromo-3-nitrobenzenesulphonamide; 4750-20-3; NSC 403107; p-Bromo-m-nitrobenzenesulfonamide
EINECS	Contact for details

Quality Control

Every batch of 4-Bromo-3-Nitrobenzenesulfonamide is manufactured under strict quality management systems and undergoes comprehensive analytical testing. We ensure compliance with relevant industry standards for high-purity intermediates. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and impurity profiles as determined by HPLC, NMR, and other spectroscopic methods.

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). Keep away from incompatible materials such as strong bases and reducing agents. The compound is light-sensitive; store away from light.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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