Description

4-Bromobenzenesulfonamide is a versatile organosulfur compound featuring a bromine substituent on the aromatic ring, making it a valuable sulfonamide derivative and a key synthetic intermediate. Its primary value lies in its role as a crucial building block for the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for drug discovery and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide pharmacophores for therapeutic agents.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and other crop protection chemicals where the bromo-sulfonamide moiety is integral to biological activity.
• Organic Synthesis Building Block: Serves as a versatile reagent for introducing the 4-bromobenzenesulfonyl group into target molecules via various coupling and substitution reactions.
• Material Science Research: Employed in the development of advanced materials, including polymers and liquid crystals, where its structure can modify material properties.
• Chemical Biology & Proteomics: Can be utilized as a scaffold or labeling agent in the design of chemical probes for studying enzyme function and protein interactions.

Basic Information

Product Name	4-Bromobenzenesulfonamide
CAS No.	701-34-8
Molecular Formula	C6H6BrNO2S
Molecular Weight	236.09 g/mol
Synonyms	p-Bromobenzenesulfonamide; Benzenesulfonamide, 4-bromo-; 4-Bromobenzene-1-sulfonamide; NSC 404083; 1-Bromo-4-sulfamoylbenzene; 4-Bromo-benzenesulfonic acid amide; p-Bromophenylsulfonamide
EINECS	211-857-4

Quality Control

Our 4-Bromobenzenesulfonamide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the high standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	164 - 168 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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