Description

2-(4-Methylphenyl)Benzenesulphonyl Chloride is a specialized aromatic sulfonyl chloride derivative, a crucial building block in advanced organic synthesis. Its primary value lies in its high reactivity as a sulfonylation agent, enabling the introduction of the sulfonyl functional group to create novel compounds with specific properties. This intermediate is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and material science sectors who require precise and reliable synthetic pathways.

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 pesticides, leveraging the sulfonyl moiety for biological activity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced materials.
• Dye & Pigment Manufacturing: Intermediate for creating sulfonated dyes and pigments with enhanced solubility and color fastness.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new synthetic methodologies and compound libraries.
• Ligand & Catalyst Development: Used to synthesize specialized ligands for metal complexes and catalysts in asymmetric synthesis.

Basic Information

Product Name	2-(4-Methylphenyl)Benzenesulphonyl Chloride
CAS No.	173253-46-8
Molecular Formula	C13H11ClO2S
Molecular Weight	266.74 g/mol
Synonyms	4'-Methyl-2-biphenylsulfonyl chloride; (4-Methylbiphenyl-2-yl)sulfonyl chloride; 2-(p-Tolyl)benzenesulfonyl chloride; 2-(4-Methylphenyl)benzene-1-sulfonyl chloride; p-Tolyl-2-benzenesulfonyl chloride; Biphenyl-2-sulfonyl chloride, 4'-methyl-; 2-(4-Methylphenyl)benzenesulfonchlorid
EINECS	Contact for details

Quality Control

Every batch of 2-(4-Methylphenyl)Benzenesulphonyl Chloride is manufactured and tested under a strict quality management system. We employ advanced analytical techniques including HPLC, GC, and NMR to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white 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.