Description

Benzenesulfonic Acid, 4-Hydroxy-, Polymer With Formaldehyde, Compd. With Urea is a synthetic, water-soluble polymer resin derived from the condensation of p-phenolsulfonic acid, formaldehyde, and urea. This compound is valued for its excellent dispersing, sequestering, and scale-inhibiting properties in aqueous systems. It is primarily utilized in industrial water treatment, construction, and textile processing applications where control of mineral scale and dispersion of particulates are critical.

Application

• Industrial Water Treatment: Acts as a highly effective scale inhibitor and dispersant in cooling water, boiler water, and reverse osmosis systems to control calcium carbonate, calcium sulfate, and other mineral deposits.
• Construction Chemicals: Used as a superplasticizer and water-reducing agent in concrete admixtures to improve workability, reduce water content, and enhance the strength and durability of the final product.
• Textile Auxiliaries: Serves as a dispersing agent in dyeing processes to ensure uniform color distribution and prevent agglomeration of dyes.
• Ceramic & Pigment Dispersant: Enhances the stability and uniformity of slurries in the production of ceramics, paints, and coatings by preventing particle settling.
• Oilfield Chemicals: Employed in drilling muds and production chemicals to inhibit scale formation and improve fluid performance.
• Paper Industry: Functions as a retention aid and dispersant in paper pulp to improve sheet formation and process efficiency.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 4-Hydroxy-, Polymer With Formaldehyde, Compd. With Urea
CAS No.	70537-23-4
Molecular Formula	(C6H6O4S·CH2O·CH4N2O)n
Molecular Weight	Polymer - Contact for details
Synonyms	Phenolsulfonic Acid-Formaldehyde-Urea Condensate; Urea-Formaldehyde-Phenolsulfonic Acid Polymer; PFS-UF Resin; Sulfonated Phenol Formaldehyde Urea Resin; Water Treatment Polymer Dispersant SPP; Scale Inhibitor SPP; Concrete Superplasticizer SPP; Poly(phenolsulfonic acid-co-formaldehyde-co-urea)
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, 4-Hydroxy-, Polymer With Formaldehyde, Compd. With Urea is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent performance in its target applications. Key parameters such as solid content, viscosity, pH, and functional activity are verified. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

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 material is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product performance.

Specification

Item	Specification
Appearance	Brown to dark brown viscous liquid or solid
Solid Content	≥ 40% (Liquid) / ≥ 95% (Solid)
pH (1% aqueous solution)	8.0 - 10.0
Viscosity (25°C)	Contact for details
Density (20°C)	~1.2 g/cm³
Scale Inhibition Rate (CaCO3)	≥ 90%

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