Intermediates

Benzenesulfonyl Chloride

  • CAS No.98-09-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High purity Benzenesulfonyl Chloride liquid designed for pesticide and pharmaceutical synthesis. Reliable global supply with strict quality control.

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Product Technical Details

Product Overview

Benzenesulfonyl Chloride represents a cornerstone reagent in modern organic synthesis, serving as a vital building block for numerous industrial applications. This organosulfur compound is characterized by its high reactivity and versatility, making it an essential component in the production of sulfonamides, pesticides, and specialized dyes. Our manufacturing facility adheres to rigorous international standards to ensure that every batch meets the highest levels of purity and consistency required for downstream chemical processes.

As a key intermediate, this chemical facilitates the introduction of the sulfonyl group into various organic molecules. The robust quality control protocols implemented during production guarantee minimal impurity levels, specifically controlling free acid and insoluble residues. This attention to detail ensures optimal performance in subsequent reaction steps, reducing waste and improving overall yield for our partners in the chemical industry.

Key Specifications

ParameterSpecification
CAS Number98-09-9
Molecular FormulaC6H5ClO2S
Molecular Weight176.62 g/mol
AppearanceColorless to light yellow transparent liquid
Assay≥99.5%
Density1.4±0.1 g/cm3
Boiling Point251.5±9.0 °C at 760 mmHg
Flash Point105.9±18.7 °C
Free Acid (HCl)≤0.1%
MoistureNone

Industrial Applications

The primary utility of Benzenesulfonyl Chloride lies in its role as a precursor for agrochemicals and pharmaceutical intermediates. It is extensively used in the synthesis of pesticide active ingredients, including notable compounds such as Bensultap. Furthermore, it serves as a critical raw material for producing sulfonamide antibiotics and other therapeutic agents, highlighting its importance in the healthcare supply chain.

  • Manufacture of ice dye bases and specialized organic dyes.
  • Synthesis of sodium thiobenzenesulfonate for insecticide production.
  • Production of sulfa drugs and pharmaceutical intermediates.
  • Reagent for the determination of gels in analytical chemistry.
  • General organic synthesis requiring sulfonyl group introduction.

Storage and Handling

Proper storage is essential to maintain the stability and integrity of this chemical. Benzenesulfonyl Chloride is stable under normal conditions but is incompatible with water, strong oxidizing agents, strong bases, methyl formamide, and dimethyl sulfoxide. It may decompose upon contact with moisture, so containers must remain tightly closed in a dry and well-ventilated environment. We recommend storing the product in a cool place away from direct sunlight and heat sources to prevent degradation.

Our packaging options include standard 25kg drums, with custom configurations available to meet specific logistical requirements. Each shipment is accompanied by a comprehensive Certificate of Analysis (COA) to verify compliance with stated specifications. As a global manufacturer, we prioritize safety and reliability, ensuring that our clients receive materials that support efficient and safe manufacturing processes.