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Sodium methyl naphthalene formaldehyde sulfonate is commonly used as dispersant, filler, leather tanning agent, building cement concrete water reducing agent, oil well cement water reducing agent .
Sodium methyl naphthalene formaldehyde sulfonate’s often referred to as PNS or NSF or SNF.
Sodium methyl naphthalene formaldehyde sulfonate is important anionic surfactant in industry, widely used in printing and dyeing, leather making, cement, rubber, paint, oil field mud treatment and other industries.
CAS Number: 68425-94-5
Synonyms: Residues (petroleum), catalytic reformer fractionator, sulfonated, polymers with formaldehyde, sodium salts, 68425-94-5, RefChem:22723, 614-476-8, Alkyl aromatic sulfonic acid formaldehyde condensate
DTXSID3098319, Residues (petroleum), catalytic reformer fractionator sulfonated polymers with formaldehyde sodium salts, Residues (petroleum), catalytic reformer fractionator, sulfonated, polymers with formaldehyde, sodium salts, h formaldehyde, sodium salts, residues (petroleum), catalytic reformer fractionator, sulfonated, polymers wit, Residues (petroleum), catalytic reformer fractionator, ulfonated, polymers with formaldehyde, sodium salts, Morwet D425.
Sodium methyl naphthalene formaldehyde sulfonate uses and applications include: Dispersant for suspension concentrates, suspo-emulsions, water disp. grans., wettable powders.
Sodium methyl naphthalene formaldehyde sulfonate is anionic surfactants are a series of sodium salts of alkyl naphthalene sulfonic acid formaldehyde condensate.
As a low molecular weight dispersant with moderate levels of sodium sulfate; it is especially useful in dispersions having low solids content.
With the dramatic increase of synthetic fibers, as the main additives of synthetic fibers dyes, the demand for Sodium methyl naphthalene formaldehyde sulfonate condensate has increased dramatically, and its position in the additive industry has become more important.
Sodium methyl naphthalene formaldehyde sulfonate is an anionic surfactant and polymeric dispersant produced by the condensation of methyl-substituted naphthalene sulfonic acid with formaldehyde followed by neutralization with sodium ions.
The resulting product consists of sulfonated aromatic polymer chains that carry strong negative charges in aqueous solutions.
Sodium methyl naphthalene formaldehyde sulfonate typically appears as a brown to dark powder or liquid and is readily soluble in water.
The compound belongs to the naphthalene sulfonate formaldehyde condensate family, which is widely used for dispersion and deflocculation applications.
Its molecular structure combines hydrophobic aromatic rings with hydrophilic sulfonate groups, enabling effective adsorption onto solid particle surfaces.
This balance allows it to stabilize suspensions by electrostatic repulsion and steric hindrance.
Sodium methyl naphthalene formaldehyde sulfonate is commonly used as a dispersant and plasticizer in construction materials, textile processing, and pigment formulations.
It improves flowability, prevents particle agglomeration, and enhances uniformity in complex mixtures.
These properties make it a versatile additive in industrial and chemical formulations.
Sodium methyl naphthalene formaldehyde sulfonate is an essential compound commonly used in the construction, textile, and chemical industries.
As a highly effective dispersant and water reducer, it plays a crucial role in enhancing the performance of various materials and processes.
This article introduces Sodium methyl naphthalene formaldehyde sulfonate, its composition, applications, and how it interacts with other chemicals like sodium polyacrylate, making it an important part of modern industrial solutions.
Sodium methyl naphthalene formaldehyde sulfonate is a high-range water-reducing agent, often categorized under superplasticizers.
It is produced by reacting naphthalene with sulfuric acid and formaldehyde, followed by neutralization with sodium hydroxide.
The resulting product is a yellowish-brown powder highly soluble in water and known for its dispersing properties.
Sodium methyl naphthalene formaldehyde sulfonate is used in various industrial applications, particularly in concrete mixtures, textiles, and dye manufacturing.
One of the most valuable characteristics of Sodium methyl naphthalene formaldehyde sulfonate is its ability to improve the fluidity of cement mixtures without the need for extra water.
When added to a concrete mix, Sodium methyl naphthalene formaldehyde sulfonate reduces water content by 10-25%, resulting in improved workability, reduced permeability, and increased strength.
Sodium methyl naphthalene formaldehyde sulfonate can also be used as a dispersant in dyes and pigments, helping to improve the quality and uniformity of the final product.
Sodium methyl naphthalene formaldehyde sulfonate is also notable for its stability and compatibility with other chemical admixtures.
Sodium methyl naphthalene formaldehyde sulfonate works well in a variety of environmental conditions, including extreme temperatures, making it a versatile and reliable component in industrial applications.
Sodium methyl naphthalene formaldehyde sulfonate is widely used in the construction industry, particularly in mortar and concrete admixtures.
Its ability to reduce water content while maintaining the workability of the mixture makes it an essential component in producing high-strength concrete.
This is especially beneficial in projects where durability and longevity are critical, such as bridges, dams, and high-rise buildings.
By reducing the amount of water in the concrete admixtures, Sodium methyl naphthalene formaldehyde sulfonate enhances the strength and density of the final product.
This also results in lower shrinkage and reduced risk of cracking, which is vital for large-scale construction projects.
Sodium methyl naphthalene formaldehyde sulfonate is used as a dispersing agent for dyes and pigments.
It ensures that the dyes are evenly distributed throughout the fabric, resulting in uniform coloration.
Its dispersing properties help in the stabilization of dye solutions, improving the quality of the dyed materials.
Sodium methyl naphthalene formaldehyde sulfonate also finds its application in the chemical industry.
Sodium methyl naphthalene formaldehyde sulfonate is used in producing synthetic resins, paper, and other materials that require a strong dispersing agent.
Its compatibility with other chemicals, such as sodium polyacrylate, further broadens its range of applications
Sodium methyl naphthalene formaldehyde sulfonate is another widely used chemical in industries such as personal care, construction, and agriculture.
Sodium methyl naphthalene formaldehyde sulfonate acts as a thickening agent, water retention agent, and dispersant.
When used with Sodium methyl naphthalene formaldehyde sulfonate, the two compounds can greatly enhance the performance of cement and concrete mixtures.
The combination of Sodium methyl naphthalene formaldehyde sulfonate can result in increased fluidity, improved dispersal of particles, and enhanced binding properties.
This is particularly important in high-performance concrete production, where both water reduction and enhanced durability are key factors.
The synergy between the two chemicals can also be seen in dye manufacturing, where sodium polyacrylate improves the viscosity of the dye solution while Sodium methyl naphthalene formaldehyde sulfonate ensures proper dispersion.
Sodium methyl naphthalene formaldehyde sulfonate is a sodium salt of naphthalene sulfonic acid condensed with formaldehyde.
Its chemical structure consists of a naphthalene backbone with sulfonate groups (–SO3Na) attached, linked by methylene bridges formed during polymerization.
The general chemical formula is approximately (C10H7SO3Na)n, where n represents the degree of polymerization, typically ranging from 2 to 10. The molecular weight varies between 500 and 2500, depending on the condensation level.
Sodium methyl naphthalene formaldehyde sulfonate is also called naphthalene based superplasticizer, poly naphthalene sulfonate, sulphonated naphthalene formaldehyde.
Its appearance is the light brown powder.
Sodium methyl naphthalene formaldehyde sulfonate superplasticizer is made of naphthalene, sulfuric acid, formaldehyde and liquid base, and undergoes a series of reactions such as sulfonation, hydrolysis, condensation and neutralization, and then dried into powder.
Sodium methyl naphthalene formaldehyde sulfonate shows high stability across a wide range of pH values and processing temperatures.
This stability allows it to maintain dispersing efficiency in harsh industrial and chemical environments.
Its anionic character ensures strong electrostatic repulsion between particles in aqueous systems.
The polymeric backbone enables effective adsorption onto inorganic and organic particle surfaces.
Once adsorbed, the sulfonate groups extend into the surrounding medium and improve suspension stability.
This mechanism reduces sedimentation and improves long-term storage behavior of formulated products.
The compound is compatible with many binders, resins, and surfactants used in industrial formulations.
It can be blended without significant loss of performance or chemical incompatibility.
These features contribute to its widespread use in construction, pigments, ceramics, and agrochemical products.
Sodium methyl naphthalene formaldehyde sulfonate is a versatile and highly effective compound used in several industries, including construction, textiles, and chemical manufacturing.
Its water-reducing and dispersing properties make it invaluable for producing high-performance concrete, evenly dyed textiles, and more.
When used with other additives, such as sodium polyacrylate, it enhances the quality and performance of materials, contributing to stronger, more durable products.
Uses Of Sodium methyl naphthalene formaldehyde sulfonate:
Sodium methyl naphthalene formaldehyde sulfonate is widely used as a dispersant and water-reducing agent in concrete and cement-based materials.
It improves workability, flow, and homogeneity while allowing lower water content in the mixture.
This results in higher strength, improved durability, and better surface finish of hardened concrete.
The compound is extensively applied in textile dyeing and printing processes as a dispersing agent.
It promotes uniform dye distribution, prevents aggregation of dye particles, and enhances color consistency.
These effects improve dye efficiency and overall textile quality.
In pigment, ceramic, and agrochemical formulations, sodium methyl naphthalene formaldehyde sulfonate is used to stabilize suspensions and emulsions.
It prevents sedimentation and ensures even distribution of active or color components.
This function is critical for maintaining performance and shelf stability of formulated products.
Sodium methyl naphthalene formaldehyde sulfonate is used in paint and coating formulations to improve dispersion of pigments and fillers.
It enhances color strength, prevents flocculation, and improves coating uniformity.
These properties contribute to better optical appearance and storage stability of coating systems.
The compound is also applied in ceramic and refractory processing as a deflocculant.
It reduces slurry viscosity at high solid content, enabling easier casting and shaping.
This leads to improved surface quality and reduced defects in finished ceramic products.
In agricultural formulations such as pesticides and fertilizers, the compound functions as a dispersing and wetting agent.
It improves spreading, penetration, and uniformity of active ingredients.
This results in more consistent field performance and reduced material waste.
Sodium methyl naphthalene formaldehyde sulfonate is used in gypsum, plaster, and dry-mix construction products to control rheology and flow behavior.
It allows high solid loading while maintaining workable viscosity during mixing and application.
This improves application efficiency and consistency of finished building materials.
The compound is also applied in mining and mineral processing as a dispersant for fine particle slurries.
It reduces agglomeration of mineral particles and improves separation efficiency during flotation and washing.
These effects contribute to higher recovery rates and more stable processing operations.
In industrial cleaning and detergent formulations, sodium methyl naphthalene formaldehyde sulfonate acts as a soil-dispersing and anti-redeposition agent.
Sodium methyl naphthalene formaldehyde sulfonate keeps removed particles suspended in solution and prevents them from settling back onto surfaces.
This function enhances cleaning efficiency and process reliability in industrial systems.
Safety Profile Of Sodium methyl naphthalene formaldehyde sulfonate:
Sodium methyl naphthalene formaldehyde sulfonate may cause irritation to the skin and eyes upon direct or prolonged contact.
Exposure to concentrated solutions or powders can lead to redness, itching, or discomfort, especially in sensitive individuals.
Protective gloves and eye protection are recommended during handling and processing.
Inhalation of dust or aerosols may irritate the respiratory tract.
Symptoms can include coughing, throat irritation, or mild breathing discomfort in poorly ventilated environments.
Appropriate ventilation and dust control measures should be used in industrial settings.
Sodium methyl naphthalene formaldehyde sulfonate is generally considered to have low acute toxicity but may pose environmental risks if released in large quantities.
As a surfactant and dispersant, it can affect aquatic organisms by altering surface interactions.
Proper disposal and wastewater management are necessary to minimize environmental impact.
