Description

Bis(4-Chlorosulfonylphenyl)Disulfide is a high-purity, reactive organosulfur compound that serves as a critical intermediate in advanced organic synthesis. Its unique bifunctional structure, featuring both chlorosulfonyl and disulfide groups, makes it a versatile building block for creating complex molecules with tailored properties. This compound is essential for R&D and production in industries focused on specialty polymers, pharmaceuticals, and high-performance materials.

Application

• Key intermediate in the synthesis of high-performance polymers and engineering plastics.
• Building block for pharmaceutical active ingredients and advanced drug discovery.
• Precursor for specialty chemicals used in agrochemical formulations.
• Cross-linking agent and modifier in the production of specialty rubbers and elastomers.
• Intermediate for dyes, pigments, and functional materials requiring specific sulfur-based linkages.
• Research and development of novel materials in academic and industrial laboratories.

Basic Information

Product Name	Bis(4-Chlorosulfonylphenyl)Disulfide
CAS No.	27738-91-6
Molecular Formula	C12H8Cl2O4S4
Molecular Weight	443.34 g/mol
Synonyms	4,4'-Dithiobis(benzenesulfonyl chloride); Bis(4-chlorosulfonylphenyl) disulfide; p,p'-Dithiobis(benzenesulfonyl chloride); 1-Chlorosulfonyl-4-[(4-chlorosulfonylphenyl)disulfanyl]benzene; Benzenesulfonyl chloride, 4,4'-dithiobis-
EINECS	Contact for details

Quality Control

Our Bis(4-Chlorosulfonylphenyl)Disulfide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to exclude moisture and stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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