Description

4-Nitrobenzenesulfonamide is a versatile organic intermediate characterized by its sulfonamide functional group and nitro substituent. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers involved in developing active pharmaceutical ingredients (APIs), dyes, and specialty chemicals. Its well-defined reactivity makes it a reliable precursor for sulfonamide-based compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various sulfonamide-based drugs and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Serves as an intermediate for creating azo dyes and other colorants.
• Chemical Research & Development: Employed in organic synthesis laboratories for method development and creating novel sulfonamide derivatives.
• Polymer Additives: Can be utilized in the synthesis of specialty polymers and as a modifier for material properties.

Basic Information

Product Name	4-Nitrobenzenesulfonamide
CAS No.	6325-93-5
Molecular Formula	C6H6N2O4S
Molecular Weight	202.19 g/mol
Synonyms	p-Nitrobenzenesulfonamide; Benzenesulfonamide, 4-nitro-; 4-Nitrobenzene-1-sulfonamide; NSC 403697; p-Nitrophenylsulfonamide; 4-NBSA; Nitrobenzenesulfonamide
EINECS	228-690-5

Quality Control

Our 4-Nitrobenzenesulfonamide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets high-grade specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

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 heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	178°C - 182°C
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.