Description

2-Cyano-4-Nitrobenzene-1-Sulfonyl Chloride is a high-value, multi-functional chemical intermediate characterized by its reactive sulfonyl chloride and electron-withdrawing nitro and cyano groups. This compound matters for its critical role in facilitating efficient and selective synthetic transformations, particularly in constructing complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications such as the synthesis of sulfonamides and other active ingredients.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel sulfonamide-based drug candidates, including protease inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of advanced herbicides and fungicides, leveraging its sulfonyl chloride group for creating potent active ingredients.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing specialized azo dyes and pigments due to its nitro and cyano substituents.
• Polymer Chemistry: Employed in the modification of polymers and the creation of functional monomers to impart specific chemical properties.
• Chemical Research & Development: A versatile reagent for organic synthesis, particularly in nucleophilic substitution reactions to introduce sulfonyl functionalities.
• Material Science: Investigated for use in creating advanced materials like liquid crystals or organic semiconductors.

Basic Information

Product Name	2-Cyano-4-Nitrobenzene-1-Sulfonyl Chloride
CAS No.	1099632-44-6
Molecular Formula	C7H3ClN2O4S
Molecular Weight	246.63 g/mol
Synonyms	4-Nitro-2-cyanobenzenesulfonyl chloride; 2-Cyano-4-nitrobenzenesulfonyl chloride; 4-Nitro-2-cyanobenzene-1-sulfonyl chloride; 1-(Chlorosulfonyl)-2-cyano-4-nitrobenzene; 2-Cyano-1-nitro-4-sulfonylchloride benzene; Benzenesulfonyl chloride, 2-cyano-4-nitro-; 1099632-44-6
EINECS	Contact for details

Quality Control

Our 2-Cyano-4-Nitrobenzene-1-Sulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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 sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases, oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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