Description

n-Hydroxy-4-Nitrobenzene-1-Sulfonamide is a specialized nitroaromatic sulfonamide derivative that serves as a versatile synthetic intermediate and building block in advanced organic chemistry. Its molecular structure, featuring both a nitro group and a sulfonamide moiety, makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and functional materials. This compound is primarily sought by research and development chemists, process development scientists, and manufacturers in the fine chemical, pharmaceutical, and agrochemical industries for creating novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting enzymes where the sulfonamide group acts as a pharmacophore.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides, leveraging its nitro-aromatic reactivity.
• Dyestuff and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex colorants due to the presence of the nitro and aromatic amine-forming potential.
• Polymer Science: Acts as a monomer or cross-linking agent in the development of specialty polymers with specific thermal or chemical resistance properties.
• Chemical Research: Employed in academic and industrial R&D for studying sulfonylation reactions, nitro group reductions, and as a model compound in methodological development.
• Ligand and Catalyst Development: Useful for synthesizing chelating ligands in coordination chemistry and catalysis.

Basic Information

Product Name	n-Hydroxy-4-Nitrobenzene-1-Sulfonamide
CAS No.	51221-38-6
Molecular Formula	C6H6N2O5S
Molecular Weight	218.19 g/mol
Synonyms	4-Nitrobenzenesulfonohydroxamic Acid; N-Hydroxy-4-nitrobenzenesulfonamide; 4-Nitro-N-hydroxybenzenesulfonamide; Benzenesulfonamide, N-hydroxy-4-nitro-; p-Nitrobenzenesulfonohydroxamic Acid; 4-Nitrobenzenesulfonhydroxamic Acid; HNSA; 4-NO2-BSA
EINECS	Contact for details

Quality Control

Our n-Hydroxy-4-Nitrobenzene-1-Sulfonamide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch reliability for your critical processes.

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). 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	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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