Description

Benzenesulfonic Acid, 4-Hydroxy-, Polymer With Formaldehyde And 4,4-Sulfonylbisphenol, Sodium Salt is a high-performance, water-soluble polymeric dispersant and surfactant. This specialized chemical is engineered to provide exceptional stability and compatibility in complex formulations, making it a critical component for demanding industrial processes. It is primarily utilized by manufacturers in the coatings, construction, and advanced materials sectors where precise rheology control and particle dispersion are paramount.

Application

• Coatings & Inks: Acts as a highly effective dispersing agent for pigments and fillers in water-based and solvent-based systems, improving color strength, gloss, and stability.
• Construction Chemicals: Used as a superplasticizer and water-reducing agent in high-performance concrete and cementitious formulations to enhance workability and final strength.
• Ceramics & Advanced Materials: Provides dispersion and deflocculation of ceramic powders and other inorganic particles during slurry preparation for tape casting and other shaping processes.
• Oilfield Chemicals: Employed as a fluid loss additive and dispersant in drilling mud formulations to control rheology and improve performance under harsh conditions.
• Textile & Leather Processing: Functions as a leveling agent, dispersant for dyes, and auxiliary in various wet-processing stages to ensure uniform results.
• Industrial Cleaners: Serves as a surfactant and dispersant in formulated cleaning products for industrial equipment and surfaces.

Basic Information

Product Name	Benzenesulfonic Acid, 4-Hydroxy-, Polymer With Formaldehyde And 4,4-Sulfonylbisphenol, Sodium Salt
CAS No.	75199-12-1
Molecular Formula	(C18H13NaO7S2)n (Polymeric structure)
Molecular Weight	Polymeric (Contact for details)
Synonyms	Phenol, 4,4'-sulfonylbis-, polymer with formaldehyde and 4-hydroxybenzenesulfonic acid, sodium salt; Sodium salt of formaldehyde condensate of 4-hydroxybenzenesulfonic acid and bisphenol S; Sulfonated phenol formaldehyde condensate; Bisphenol S sulfonate formaldehyde polymer; Poly(sulfonated bisphenol S-co-formaldehyde); Dispersant SNF (related class); High-range water reducer (HRWR) admixture; Naphthalene sulfonate formaldehyde (NSF) alternative polymer.
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonic Acid, 4-Hydroxy-, Polymer With Formaldehyde And 4,4-Sulfonylbisphenol, Sodium Salt adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent performance, including measurement of active content, sulfonation degree, molecular weight distribution, and pH. Certificates of Analysis (COA) documenting all key parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture which may affect performance.

Specification

Item	Specification
Appearance	Light yellow to brown powder or viscous liquid
Identification (IR)	Conforms
Active Content	≥ 90% (or as specified)
pH (10% solution)	7.0 - 10.0
Moisture Content	≤ 5.0%
Ash Content	20 - 30%
Viscosity (Brookfield)	Contact for details

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