Description

4-Methyl-3-Nitrobenzene-1-Sulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a sulfonylation agent, enabling the introduction of the sulfonyl functional group to create novel compounds with specific properties. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides requiring specific sulfonyl group chemistry.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating sulfonated dyes and colorants with enhanced properties.
• Polymer Chemistry: Employed in the production of specialty polymers and resins, where it can be used to modify polymer backbones or as a cross-linking agent.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating compound libraries.
• Material Science: Used in the synthesis of advanced materials, including liquid crystals and organic semiconductors.

Basic Information

Product Name	4-Methyl-3-Nitrobenzene-1-Sulfonyl Chloride
CAS No.	616-83-1
Molecular Formula	C7H6ClNO4S
Molecular Weight	235.64 g/mol
Synonyms	3-Nitro-4-methylbenzenesulfonyl chloride; 4-Methyl-3-nitrobenzenesulfonyl chloride; 2-Nitro-p-toluenesulfonyl chloride; p-Toluenesulfonyl chloride, 2-nitro-; 2-Nitro-4-methylbenzenesulfonyl chloride; NSC 403124; 3-Nitro-p-toluenesulfonyl chloride
EINECS	210-500-6

Quality Control

Our 4-Methyl-3-Nitrobenzene-1-Sulfonyl Chloride is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

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%

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