Benzenesulfonyl Chloride (CAS 98-09-9)

Short Description:

Benzenesulfonyl Chloride (BSCl), with the CAS number 98-09-9, is a key organic sulfonating reagent widely used in the synthesis of pharmaceuticals, agrochemicals, dyes, and polymers.


Product Details

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Product Overview

Benzenesulfonyl Chloride (BSCl), with the CAS number 98-09-9, is a key organic sulfonating reagent widely used in the synthesis of pharmaceuticals, agrochemicals, dyes, and polymers. As a leading exporter of chemical products, we provide BSCl with consistent high purity (≥99%) and strict compliance with international quality standards, ensuring reliable performance in diverse industrial processes.

Chemical Properties

Property Value
CAS Number 98-09-9
Molecular Formula C₆H₅ClO₂S
Molecular Weight 176.62 g/mol
Appearance Colorless to light yellow liquid
Boiling Point 251–252°C (760 mmHg)
Melting Point 14–15°C
Density (25°C) 1.38 g/cm³
Solubility Reacts with water; soluble in organic solvents (e.g., benzene, ether)

Key Applications

Pharmaceutical Industry
Used in the synthesis of sulfonamide drugs (e.g., antibiotics, diuretics) as a sulfonating agent.
Intermediate for producing sulfonylurea-based hypoglycemic agents.,
Agrochemicals
Critical in the manufacture of herbicides, fungicides, and insecticides, such as sulfonylurea herbicides.
Polymer & Material Science
Functions as a modifier for polymers (e.g., polyamides, polyurethanes) to improve chemical resistance and thermal stability.
Catalyst in the synthesis of specialty resins and coatings.
Dye & Pigment Production
Helps introduce sulfonic acid groups into organic dyes, enhancing solubility and color fastness.
Research & Development
Widely used in laboratory-scale organic synthesis for sulfonylation reactions.

Technical Specifications

Item

Standard

Purity (GC) ≥99.0%
Appearance Clear liquid, no visible impurities
Water Content ≤0.1%
Residue on Ignition ≤0.1%

Packaging & Storage

Packaging
● 25kg, 50kg net weight in galvanized steel drums or HDPE plastic drums (customized packaging available upon request).
● Drums sealed to prevent moisture and contamination.
Storage
● Store in a cool, dry, well-ventilated area, away from moisture, heat, and incompatible materials (e.g., strong bases, oxidizing agents).
● Shelf life: 24 months when stored under recommended conditions.

Quality Assurance

Manufacturing: Produced in ISO 9001:2015-certified facilities with strict process control.
Testing: Each batch is tested for purity, moisture, and physical properties using HPLC, GC, and Karl Fischer titration.
Compliance: Meets REACH, RoHS, and other regional regulatory requirements for safe international transportation.

Why Choose Us?

1. Global Export Expertise: 10+ years of experience in chemical export, serving customers in North America, Europe, Southeast Asia, and beyond.
2. Custom Solutions: Flexible production capacity to meet both small-scale R&D orders and large-volume industrial demands.
3. Reliable Logistics: Partner with trusted freight forwarders for safe, timely delivery via sea, air, or truck.
4. Technical Support: Dedicated team to assist with product specifications, documentation (COA, MSDS, Halal/Kosher certificates), and regulatory compliance.

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