Description

Naphthalenesulfonic Acid, Polymer With Formaldehyde And 4,4-Sulfonylbisphenol, Sodium Salt is a high-performance, water-soluble polymeric dispersant and surfactant. This compound is engineered to provide exceptional stability and compatibility in complex formulations, making it a critical additive for enhancing product performance and process efficiency. It is primarily utilized by manufacturers in the construction, textile, and specialty chemical industries where superior dispersion and rheology control are required.

Application

• Construction Industry: As a highly effective superplasticizer and water-reducing agent in high-performance concrete and cementitious systems.
• Textile Processing: Acts as a leveling agent, dispersant, and anti-precipitant in dyeing and printing processes.
• Pigment & Dye Manufacturing: Serves as a primary dispersant for organic pigments and carbon black, ensuring stable and uniform colorant preparations.
• Ceramics & Clay Processing: Used as a deflocculant to improve the workability and casting properties of ceramic slips and bodies.
• Oilfield Chemicals: Functions as a fluid loss additive and dispersant in drilling mud formulations.
• Agricultural Formulations: Employed as a dispersing agent in wettable powders and suspension concentrates for pesticides.
• Industrial Cleaners: Enhances the stability and cleaning efficacy of liquid detergent and scale remover formulations.
• Paper & Pulp Industry: Used as a retention aid and dispersant in paper coating and filler slurries.

Basic Information

Product Name	Naphthalenesulfonic Acid, Polymer With Formaldehyde And 4,4-Sulfonylbisphenol, Sodium Salt
CAS No.	69961-73-5
Molecular Formula	(C10H7SO3·CH2O·C12H8O4S)n·xNa
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Sodium naphthalenesulfonate formaldehyde condensate with bisphenol S; Naphthalene sulfonic acid-formaldehyde-bisphenol S polymer sodium salt; Bisphenol S naphthalenesulfonate formaldehyde polymer sodium salt; Poly(naphthalenesulfonic acid-co-formaldehyde-co-4,4'-sulfonyldiphenol) sodium salt; Sulfonated naphthalene-formaldehyde resin with bisphenol S; NSF Condensate (Bisphenol S type); High-range water reducer (HRWR) polymer; Dispersant SNF-BPS
EINECS	Contact for details

Quality Control

Our production of Naphthalenesulfonic Acid, Polymer With Formaldehyde And 4,4-Sulfonylbisphenol, Sodium Salt adheres to a stringent quality management system to ensure batch-to-batch consistency and performance reliability. The product is manufactured and tested in compliance with relevant industry standards for construction chemicals and dispersants. Certificates of Analysis (COA) detailing key parameters such as solids content, pH, viscosity, and dispersing performance 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); the container must be kept tightly sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Brown to dark brown powder or aqueous solution
Identification (IR)	Conforms to structure
Solids Content	≥ 90% (for powder) / 30-40% (for solution)
pH (1% Aqueous Solution)	7.0 - 9.5
Ash Content (as Na2SO4)	≤ 25%
Water Reduction Rate (in Cement)	≥ 18%
Moisture Content (Karl Fischer)	≤ 5.0%

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