Description

2-Nitrobenzenesulfonamide is a versatile organic intermediate characterized by its sulfonamide and nitro functional groups. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily utilized by chemical manufacturers and R&D laboratories involved in developing active ingredients, dyes, and specialty polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing sulfonamide moieties.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing azo dyes and other colorants.
• Polymer Chemistry: Acts as a monomer or modifier in the development of specialty polymers and resins.
• Chemical Research: Employed in organic synthesis laboratories for constructing complex molecules and studying reaction mechanisms.
• Photographic Chemicals: Can be used in the formulation of certain light-sensitive compounds.

Basic Information

Product Name	2-Nitrobenzenesulfonamide
CAS No.	5455-59-4
Molecular Formula	C₆H₆N₂O₄S
Molecular Weight	202.19 g/mol
Synonyms	o-Nitrobenzenesulfonamide; Benzenesulfonamide, 2-nitro-; 2-Nitrobenzene-1-sulfonamide; NSC 403697; 2-Nitrobenzenesulphonamide; o-Nitro phenyl sulfonamide
EINECS	226-704-5

Quality Control

Our 2-Nitrobenzenesulfonamide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the specifications required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light and moisture to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	164 - 168 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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