Description

Formaldehyde-2-Naphthalenesulfonic Acid Condensate is a synthetic, water-soluble polymer derived from the condensation reaction of formaldehyde with 2-naphthalenesulfonic acid. This specialized chemical is valued for its excellent dispersing and complexing properties in aqueous systems. It serves as a critical performance additive in industrial processes where control over particle size, scale inhibition, and dispersion stability are required, particularly within the textile, construction, and water treatment sectors.

Application

• Dispersant for Pigments and Dyes: Used in the production of paints, inks, and textile dyes to prevent agglomeration and ensure uniform color distribution.
• Concrete Admixture: Acts as a plasticizer and water-reducing agent to improve the workability and strength of concrete mixes.
• Scale Inhibitor in Water Treatment: Prevents the precipitation and deposition of calcium carbonate and sulfate scales in industrial cooling and boiler water systems.
• Ceramic Processing Aid: Enhances the slurry stability and flow properties of ceramic slips and glazes.
• Leather Tanning Auxiliary: Assists in the uniform penetration and fixation of tanning agents.
• Oilfield Chemical: Used in drilling mud formulations as a thinner and dispersant to control rheology.

Basic Information

Product Name	Formaldehyde-2-Naphthalenesulfonic Acid Condensate
CAS No.	26353-67-3
Molecular Formula	(C11H8O3S·CH2O)n
Molecular Weight	Polymeric substance
Synonyms	Formaldehyde Naphthalenesulfonate Polymer; Naphthalenesulfonic Acid-Formaldehyde Condensate; Sodium Polynaphthalene Sulfonate (PNS); Sulfonated Naphthalene Formaldehyde Condensate (SNF); Naphthalene Sulfonate Formaldehyde Condensate; NSF Condensate; Dispersant S; High-Range Water Reducer (HRWR) for concrete.
EINECS	Contact for details

Quality Control

Our Formaldehyde-2-Naphthalenesulfonic Acid Condensate is manufactured under a stringent quality management system. Each batch is tested to ensure consistent performance characteristics such as dispersancy, solids content, and viscosity. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment to guarantee compliance with your technical requirements.

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 after each use to prevent caking or absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Brown to dark brown powder or viscous liquid
Solids Content	≥ 90 %
pH (1% aqueous solution)	7.0 - 9.5
Ash Content	≤ 30 %
Dispersing Power	≥ 95 % (vs. standard)
Water Content	≤ 10 %

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