Description

Benzenesulfonamide, 4-Nitroso- (9Ci) is a specialized nitroso derivative of benzenesulfonamide, serving as a key intermediate in advanced organic synthesis. This compound is valued for its unique reactivity, particularly as a precursor for dyes, pigments, and functional materials. It is primarily sought by research institutions and industrial manufacturers in the fine chemical, pharmaceutical, and agrochemical sectors for developing novel compounds and high-performance materials.

Application

• Chemical Intermediate: A crucial building block in the synthesis of more complex sulfonamide derivatives and azo compounds.
• Dye & Pigment Manufacturing: Used as a precursor in the production of specialized dyes and organic pigments.
• Pharmaceutical Research: Serves as an intermediate in the research and development of new active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the development of novel herbicides, fungicides, and other crop protection agents.
• Material Science: Investigated for use in the creation of functional polymers and advanced organic materials.
• Analytical Chemistry: May be used as a reagent or standard in specific analytical methodologies.

Basic Information

Product Name	Benzenesulfonamide, 4-Nitroso- (9Ci)
CAS No.	2990-12-7
Molecular Formula	C6H6N2O3S
Molecular Weight	186.19 g/mol
Synonyms	4-Nitrosobenzenesulfonamide; p-Nitrosobenzenesulfonamide; Benzenesulfonamide, p-nitroso-; N-(4-Nitrosophenyl)sulfonamide; 4-Nitroso-N-sulfanilylamide; NSC 403119; 2990-12-7
EINECS	221-062-8

Quality Control

Our Benzenesulfonamide, 4-Nitroso- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed results for all critical parameters, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange 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%

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