Description

2-Methyl-3-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 dual reactive sites—the sulfonyl chloride group and the nitro substituent—which enable selective functionalization for creating complex molecular architectures. This high-purity intermediate is essential for research and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing active pharmaceutical ingredients (APIs) and performance materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of sulfonamide-based drugs and other bioactive molecules targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its sulfonyl chloride reactivity.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing sulfonated azo dyes and other colorants with enhanced properties.
• Polymer Chemistry: Employed in the creation of specialty polymers and resins, where it can act as a cross-linking agent or monomer modifier.
• Chemical Research & Development: Serves as a versatile reagent in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.
• Ligand and Catalyst Preparation: Useful for synthesizing specialized ligands for metal catalysis or functional materials science.

Basic Information

Product Name	2-Methyl-3-Nitrobenzenesulfonyl Chloride
CAS No.	56682-04-3
Molecular Formula	C7H6ClNO4S
Molecular Weight	235.64 g/mol
Synonyms	3-Nitro-2-methylbenzenesulfonyl chloride; 2-Methyl-3-nitrobenzene-1-sulfonyl chloride; 1-(Chlorosulfonyl)-2-methyl-3-nitrobenzene; o-Toluene-3-nitro-6-sulfonyl chloride; 6-Methyl-3-nitrobenzenesulfonyl chloride; Benzenesulfonyl chloride, 2-methyl-3-nitro-; 3-Nitro-o-toluenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Methyl-3-Nitrobenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and tests for specific impurities. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your specifications. Our quality commitment supports applications requiring high-purity intermediates, including cGMP manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); protect from humidity and moisture ingress. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	Off-white to light 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)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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