Description

Sulfurous Acid, Monosodium Salt, Polymer With Formaldehyde And 4,4'-(1-Methylethylidene)Bis[Phenol] is a specialized polymeric sulfonate compound, CAS NO 39939-92-9, valued for its unique combination of phenolic and sulfonate functionalities. This engineered polymer is critical for applications requiring high-performance dispersing, sequestering, and scale inhibition properties. It is primarily sought by formulators in the water treatment, construction chemical, and industrial cleaning sectors for its ability to enhance product stability and performance under demanding conditions.

Application

• Water Treatment: Acts as a highly effective dispersant and antiscalant in cooling water, boiler water, and reverse osmosis systems to control calcium carbonate, sulfate, and phosphate scales.
• Construction Chemicals: Used as a superplasticizer and water-reducing agent in concrete admixtures to improve workability and final strength.
• Industrial Cleaning & Detergents: Functions as a builder and sequestrant in heavy-duty industrial and institutional cleaning formulations to control water hardness and improve surfactant efficacy.
• Pigment & Dye Dispersions: Serves as a grinding aid and stabilizer in the production of concentrated pigment slurries and dye preparations for textiles and coatings.
• Oilfield Chemicals: Employed in drilling muds and production chemicals as a clay stabilizer and scale inhibitor to maintain wellbore integrity and flow assurance.
• Pulp & Paper Processing: Utilized as a dispersant for inorganic fillers like calcium carbonate and clay to improve sheet formation and production efficiency.

Basic Information

Product Name	Sulfurous Acid, Monosodium Salt, Polymer With Formaldehyde And 4,4'-(1-Methylethylidene)Bis[Phenol]
CAS No.	39939-92-9
Molecular Formula	(C15H16O2.CH2O.H2O3S.Na)x
Molecular Weight	Polymeric substance; Contact for details
Synonyms	Phenol, 4,4'-(1-methylethylidene)bis-, polymer with formaldehyde and sodium hydrogen sulfite; Sodium phenol-formaldehyde-sulfonate polymer; Sulfonated phenol formaldehyde condensate; SPF Condensate; Bisphenol A formaldehyde sodium sulfonate polymer; Dispersant SNF; Water treatment polymer SPC; Sodium sulfonated bisphenol A-formaldehyde resin
EINECS	Contact for details

Quality Control

Our production of this sulfonated polymer adheres to rigorous quality control protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through parameters including sulfonation degree, molecular weight distribution, and active solids content. Certificates of Analysis (COA) documenting key specifications are available for every batch to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Yellow to brown viscous liquid or powder
Active Solids Content	≥ 30% (Liquid) / ≥ 90% (Powder)
pH (1% solution)	7.0 - 9.5
Density (Liquid, 25°C)	1.15 - 1.25 g/cm³
Sulfonate Content (as SO3)	Contact for details
Viscosity (Liquid, 25°C)	Contact for details

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