Description

4,4'-Dichlorodiphenylsulfone-3,3'-Disulfonic Acid Disodium Salt is a high-purity, functionalized diarylsulfone derivative serving as a critical advanced intermediate in specialty chemical synthesis. Its value lies in the strategic placement of reactive chlorosulfonyl groups, enabling its use in the production of high-performance polymers and pharmaceuticals. This compound is essential for manufacturers and R&D teams in the polymer, agrochemical, and life sciences sectors seeking to develop materials with enhanced thermal stability and specific functional properties.

Application

• Polymer Synthesis: A key monomer for the production of high-performance polysulfones and polyethersulfones, imparting excellent thermal and chemical resistance.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules requiring a sulfonated diaryl backbone.
• Agrochemical Intermediates: Serves as a building block for advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized sulfonated dyes and colorants.
• Ion-Exchange Resins: Utilized in the manufacture of resins for water treatment and separation processes due to its sulfonic acid groups.
• Crosslinking Agent: Functions as a crosslinker in the production of specialty coatings and adhesives to enhance durability.
• Research & Development: A valuable reagent for academic and industrial R&D in material science and organic chemistry.

Basic Information

Product Name	4,4'-Dichlorodiphenylsulfone-3,3'-Disulfonic Acid Disodium Salt
CAS No.	51698-33-0
Molecular Formula	C12H6Cl2Na2O8S3
Molecular Weight	515.23 g/mol
Synonyms	Disodium 4,4'-Dichlorodiphenylsulfone-3,3'-Disulfonate; 3,3'-Disulfo-4,4'-Dichlorodiphenyl Sulfone Disodium Salt; 4,4'-Dichloro-3,3'-disulfodiphenyl Sulfone Disodium Salt; Bis(4-chloro-3-sulfophenyl) Sulfone Disodium Salt; DCDPS Disulfonate Salt; DCDPSDS; 4,4'-Dichlorodiphenylsulfone-3,3'-disulfonic acid sodium salt; 4,4'-Dichloro-3,3'-disulfodiphenylsulfone Disodium Salt
EINECS	Contact for details

Quality Control

Our 4,4'-Dichlorodiphenylsulfone-3,3'-Disulfonic Acid Disodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive applications like polymer and pharmaceutical synthesis. Certificates of Analysis (COA) documenting batch-specific results are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Chloride Content	Conforms
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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