Description

2-Methoxy-5-Nitrobenzenesulfonyl Chloride is a specialized aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its high reactivity as an electrophile, enabling the efficient introduction of the sulfonamide moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and fine chemical intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specialized azo dyes and colorants.
• Polymer Chemistry: Employed as a monomer or cross-linking agent for synthesizing specialty polymers with specific functional properties.
• Chemical Research & Development: A versatile reagent for constructing complex molecular architectures in academic and industrial R&D labs.
• Liquid Crystal & OLED Material Production: Used in the synthesis of electron-transport or charge-regulating materials for electronic displays.

Basic Information

Product Name	2-Methoxy-5-Nitrobenzenesulfonyl Chloride
CAS No.	81118-92-5
Molecular Formula	C7H6ClNO5S
Molecular Weight	251.64 g/mol
Synonyms	5-Nitro-2-methoxybenzenesulfonyl chloride; 2-Methoxy-5-nitrobenzene-1-sulfonyl chloride; 1-Methoxy-4-nitro-2-sulfonylchloridobenzene; NSC 403796; 5-Nitro-o-anisylsulfonyl chloride; o-Methoxy-p-nitrobenzenesulfonyl chloride; 2-Methoxy-5-nitrobenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Methoxy-5-Nitrobenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every 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 tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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