Description

Naphthalenesulfonic Acid, Methyl-, Polymer With Formaldehyde, Sodium Salt is a synthetic, water-soluble anionic polymer belonging to the class of naphthalene sulfonate condensates. This compound is valued for its exceptional dispersing and complexing properties, which are critical for controlling particle agglomeration and scale formation in industrial processes. It is primarily needed by manufacturers in the construction, textile, and water treatment industries seeking to improve product performance and process efficiency.

Application

• Concrete Admixture: Acts as a highly effective superplasticizer and water reducer to improve the workability and strength of concrete.
• Dispersing Agent: Used in the production of pigments, dyes, and ceramic slurries to prevent settling and ensure uniform particle distribution.
• Scale Inhibitor: Prevents the precipitation of calcium carbonate and sulfate scales in industrial water cooling and boiler systems.
• Textile Auxiliary: Serves as a leveling and dispersing agent in dyeing processes to achieve even color uptake.
• Agricultural Formulations: Enhances the stability and dispersion of active ingredients in pesticide and herbicide formulations.
• Oilfield Chemical: Used as a mud thinner and dispersant in drilling fluids to control rheology.
• Leather Tanning: Aids in the uniform penetration of tanning agents into hides.
• Industrial Cleaning: Functions as a detergent builder and anti-redeposition agent in cleaning formulations.

Basic Information

Product Name	Naphthalenesulfonic Acid, Methyl-, Polymer With Formaldehyde, Sodium Salt
CAS No.	81065-51-2
Molecular Formula	(C11H9NaO3S·CH2O)n
Molecular Weight	Contact for details
Synonyms	Methylnaphthalenesulfonic acid-formaldehyde polymer sodium salt; Sodium methylnaphthalenesulfonate formaldehyde condensate; Sodium polynaphthalene sulfonate (PNS); Sulfonated naphthalene formaldehyde (SNF) condensate; Naphthalene sulfonate formaldehyde resin; Dispersant MF; High-range water-reducing admixture (HRWR); Lomar® D (trade name type).
EINECS	Contact for details

Quality Control

Our Naphthalenesulfonic Acid, Methyl-, Polymer With Formaldehyde, Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous testing to ensure consistent performance as a dispersant, including analysis of sulfonation degree, molecular weight distribution, and active content. Certificates of Analysis (COA) documenting 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); the container must be kept tightly sealed after initial use to prevent caking and maintain efficacy.

Specification

Item	Specification
Appearance	Brown to dark brown powder or granules
Identification (IR)	Conforms
Active Content (%)	≥ 90.0
pH (1% Aqueous Solution)	7.0 - 9.5
Moisture Content (%)	≤ 5.0
Ash Content (%)	Contact for details
Dispersing Performance	Conforms to standard

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