Description

2-Phenylbenzenesulphonyl Chloride is a versatile and high-purity sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its reactivity as a sulfonylation agent, enabling the introduction of the 2-phenylbenzenesulfonyl moiety to create novel compounds with specific functionalities. 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: Key building block for the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides that require a specific sulfonyl group for bioactivity.
• Dye and Pigment Manufacturing: Acts as a reactant to create sulfonated dyes and colorants with enhanced solubility and stability.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the synthesis of specialty polymers and resins.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in exploring new synthetic pathways and material properties.
• Liquid Crystal and Electronic Material Production: Used in the synthesis of advanced materials for display and semiconductor applications.

Basic Information

Product Name	2-Phenylbenzenesulphonyl Chloride
CAS No.	2688-90-6
Molecular Formula	C12H9ClO2S
Molecular Weight	252.72 g/mol
Synonyms	2-Phenylbenzenesulfonyl chloride; [1,1'-Biphenyl]-2-sulfonyl chloride; o-Phenylbenzenesulfonyl chloride; 2-Biphenylsulfonyl chloride; Biphenyl-2-sulfonyl chloride; 2-(Phenyl)benzenesulfonyl chloride; NSC 403107; 2-Phenylbenzene-1-sulfonyl chloride
EINECS	220-257-1

Quality Control

Our 2-Phenylbenzenesulphonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis applications.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in its original packaging to prevent decomposition. Keep away from heat, 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	89 - 93 °C
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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