Description

2-Chloro-6-Methylbenzenesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, primarily used as a key building block in organic synthesis. Its value lies in its ability to act as a sulfonylation agent, facilitating the introduction of the sulfonyl functional group into target molecules, which is critical for modifying chemical properties and biological activity. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dyestuff and Pigment Manufacturing: Serves as an intermediate for creating specialized dyes and colorants.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer chains, altering material properties.
• Chemical Research & Development: A valuable reagent in academic and industrial labs for exploring new synthetic pathways.
• Ligand and Catalyst Preparation: Used in the development of specialized ligands for metal catalysis.

Basic Information

Product Name	2-Chloro-6-Methylbenzenesulfonyl Chloride
CAS No.	25300-37-2
Molecular Formula	C7H6Cl2O2S
Molecular Weight	225.09 g/mol
Synonyms	2-Chloro-6-methylbenzenesulfonyl chloride; 2-Chloro-6-methylbenzene-1-sulfonyl chloride; 2-Chloro-o-toluenesulfonyl chloride; 6-Chloro-2-methylbenzenesulfonyl chloride; 2-Methyl-6-chlorobenzenesulfonyl chloride; o-Toluenesulfonyl chloride, 2-chloro-; 2-Chloro-6-toluenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Chloro-6-Methylbenzenesulfonyl Chloride is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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.