Description

Sulfurous Acid, Monosodium Salt, Compd. With Formaldehyde Polymer With 4,4-Sulfonylbisphenol is a specialized polymeric sulfonate compound designed for high-performance applications. This material is valued for its unique combination of chemical resistance and functional group reactivity, making it a critical intermediate in advanced material synthesis. It is primarily sought by manufacturers in the polymer, specialty chemical, and water treatment industries for developing tailored products with specific performance characteristics.

Application

• Polymer Synthesis: Acts as a reactive intermediate or chain modifier in the production of high-performance engineering plastics and specialty resins.
• Dispersant & Stabilizer: Used in formulations requiring effective particle dispersion and system stabilization, particularly in aqueous systems.
• Ion-Exchange Materials: Serves as a precursor or functional component in the manufacture of ion-exchange resins for water purification and separation processes.
• Flame Retardant Synergist: Employed as a component in flame-retardant formulations for polymers, enhancing char formation and thermal stability.
• Adhesive & Coating Additive: Imparts specific rheological or adhesion-promoting properties in advanced adhesive and coating systems.
• Textile Auxiliary: Used in the treatment of synthetic fibers to modify dye affinity or impart anti-static properties.

Basic Information

Product Name	Sulfurous Acid, Monosodium Salt, Compd. With Formaldehyde Polymer With 4,4-Sulfonylbisphenol
CAS No.	102958-53-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sodium formaldehyde bisulfite adduct polymer with bisphenol S; Poly(sodium 4,4'-sulfonyldiphenoxide sulfonate); Bisphenol S sulfonate polymer; Sodium hydroxymethanesulfonate polymer with 4,4'-sulfonyldiphenol; Formaldehyde-sodium bisulfite copolymer with 4,4'-dihydroxydiphenyl sulfone; Reactive polymeric sulfonate; 4,4'-Sulfonyldiphenol, polymer with formaldehyde and sodium sulfite
EINECS	Contact for details

Quality Control

Our production of Sulfurous Acid, Monosodium Salt, Compd. With Formaldehyde Polymer With 4,4-Sulfonylbisphenol adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analytical testing, including assay, functional group analysis, and impurity profiling. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place at a controlled room temperature (15-25°C/59-77°F). The container must be kept tightly sealed when not in use to prevent moisture absorption, which can affect product performance and handling. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (Sulfonate Content)	≥ 95.0%
Moisture Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Residue on Ignition	≤ 2.0%

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