Description

2,4-Dichloro-6-Methylbenzenesulphonyl Chloride is a key sulfonyl chloride derivative, serving as a versatile and reactive building block in advanced organic synthesis. Its primary value lies in its role as a precursor for synthesizing sulfonamides and other functionalized aromatic compounds, which are critical in developing active pharmaceutical ingredients (APIs) and agrochemicals. This intermediate is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce sulfonyl-based functionalities into complex molecules.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of sulfonamide-based active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and other crop protection agents that incorporate sulfonyl groups.
• Dye and Pigment Manufacturing: Serves as a building block for creating sulfonated dyes and specialty colorants.
• Polymer Chemistry: Employed in the production of specialty polymers and resins, where it can act as a cross-linking or functionalizing agent.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways and creating novel sulfonyl-containing compounds in academic and industrial labs.
• Ligand and Catalyst Preparation: Used to synthesize specialized ligands and organocatalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	2,4-Dichloro-6-Methylbenzenesulphonyl Chloride
CAS No.	175278-26-9
Molecular Formula	C7H5Cl3O2S
Molecular Weight	259.54 g/mol
Synonyms	2,4-Dichloro-6-methylbenzenesulfonyl chloride; 2,4-Dichloro-6-toluenesulfonyl chloride; 6-Methyl-2,4-dichlorobenzenesulfonyl chloride; 2,4-Dichloro-6-methylphenylsulfonyl chloride; Benzenesulfonyl chloride, 2,4-dichloro-6-methyl-; 2,4-Dichloro-α-toluenesulfonyl chloride; 2,4-Dichloro-6-methylbenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2,4-Dichloro-6-Methylbenzenesulphonyl Chloride is manufactured under strict quality management systems. Every 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 for all shipments, supporting compliance in cGMP and other regulated environments.

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 decomposition.

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 ≤ 2.0%

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