Description

3-{[3-(Chlorosulfonyl)Phenyl]Sulfonyl}Benzenesulfonyl Chloride is a high-purity, multi-functional sulfonyl chloride derivative essential for advanced organic synthesis. This compound serves as a critical versatile building block for introducing reactive sulfonyl groups into complex molecular architectures. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty polymer industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators with sulfonylurea or sulfonamide moieties.
• Polymer Modification: Used to introduce sulfonyl chloride functional groups into polymers for creating ion-exchange resins, membranes, or materials with specific surface properties.
• Dye and Pigment Manufacturing: Intermediate in the production of sulfonated dyes and organic pigments, enhancing solubility and color fastness.
• Cross-linking Agent: Employed in the synthesis of advanced materials and dendrimers where controlled cross-linking is required.
• Chemical Research (R&D): A valuable reagent for exploring new synthetic pathways and creating compound libraries for high-throughput screening.

Basic Information

Product Name	3-{[3-(Chlorosulfonyl)Phenyl]Sulfonyl}Benzenesulfonyl Chloride
CAS No.	7357-41-7
Molecular Formula	C12H8Cl2O6S3
Molecular Weight	431.28 g/mol
Synonyms	1,1',1''-(Benzene-1,3,5-triyl)tris(sulfonyl chloride); 1,3,5-Tris(chlorosulfonyl)benzene; Benzenesulfonyl chloride, 1,1',1''-(1,3,5-benzenetriyl)tris-; 1,3,5-Trisulfonylchloride benzene; Benzene-1,3,5-tris(sulfonyl chloride); 1,3,5-Benzenetrisulfonyl chloride; Tris(3-chlorosulfonylphenyl) sulfone (related structure); 3,3',3''-Sulfonyltris(benzenesulfonyl chloride)
EINECS	Contact for details

Quality Control

Our 3-{[3-(Chlorosulfonyl)Phenyl]Sulfonyl}Benzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent derivative, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Keep away from moisture, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Impurities (HPLC)	≤ 1.0% (total)
Melting Point	Contact for details

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