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Supragil RM/210-EI is a commercial anionic surfactant and dispersing agent based on alkyl naphthalene sulfonate chemistry, typically supplied as a sodium salt in solid or liquid form.
Supragil RM/210-EI is designed to provide strong wetting, dispersing, and solubilizing performance in aqueous systems, especially where hydrophobic solids must be uniformly distributed.
Supragil RM/210-EI belongs to the same family as diisopropylnaphthalenesulphonate derivatives and shows excellent stability over a wide pH range.
CAS Number: 1322-93-6
Molecular Formula: C16H19NaO3S
Molecular Weight: 314.37503
EINECS Number: 215-343-3
Synonyms:Sodium diisopropylnaphthalenesulphonate, sodium diisopropylnaphthalenesulfonate, 2,3-di(propan-2-yl)naphthalene-1-sulfonic acid (sodium salt), sodium;2,3-di(propan-2-yl)naphthalene-1-sulfonate, diisopropylnaphthalene sulfonate sodium salt, sodium diisopropyl naphthalene sulfonate, diisopropylnaphthalene-1-sulfonic acid sodium salt, sodium diisopropylnaphthalenesulphonate, Naphthalenesulfonic acid, bis(1-methylethyl)-, sodium salt, bis(1-methylethyl)-naphthalenesulfonic aci sodium salt;bis(1-methylethyl)-naphthalenesulfonic aci sodiumsalt;Diisopropylnaphthalenesulfonic acid sodium salt, isomer mixture;Naphthalenesulfonic acid, bis(1-methylethyl)-, sodium salt (1:1);Agrocon WP;sodium,4,7-di(propan-2-yl)naphthalene-2-sulfonate
Supragil RM/210-EI performs well in the presence of electrolytes and hard water, maintaining dispersion efficiency without rapid precipitation or loss of activity.
These properties make it suitable for demanding industrial formulations where long-term stability is required.
Supragil RM/210-EI is mainly applied as a dispersant and wetting agent in agrochemicals, pigments, dyes, and specialty chemical formulations.
It improves the distribution of active ingredients, prevents particle agglomeration, and enhances overall formulation performance and shelf life.
Because of its reliable surface activity and compatibility with other formulation components, it is widely used in industrial, construction, and chemical processing applications.
The aromatic naphthalene backbone gives hydrophobic interaction strength, while the sulfonate group ensures high water solubility and formulation stability.
Supragil RM/210-EI is a proprietary, anionic surfactant-based dispersing agent developed primarily for high-performance industrial formulations.
It is typically derived from alkyl naphthalene sulfonate chemistry and is supplied as a sodium salt, giving it excellent water solubility and strong surface activity.
The product is engineered to improve wetting and dispersion of poorly soluble or hydrophobic solids in aqueous systems.
Supragil RM/210-EI combines a hydrophobic aromatic backbone with a highly polar sulfonate group, allowing it to adsorb efficiently onto particle surfaces while remaining compatible with water.
This structure provides strong electrostatic repulsion between particles, preventing aggregation and sedimentation over time.
Supragil RM/210-EI remains stable across a broad pH range and performs reliably in formulations containing electrolytes, salts, or hard water.
In formulation practice, Supragil RM/210-EI is valued for its ability to enhance stability, uniformity, and processability of complex mixtures.
Supragil RM/210-EI is particularly effective in systems where fine particles, pigments, or active substances must remain evenly distributed during storage and application.
Its robust dispersing behavior, combined with chemical stability, makes it suitable for demanding industrial, agrochemical, and specialty chemical applications where consistent performance is critical.
Supragil RM/210-EI is regarded as a robust, versatile dispersant for demanding industrial, agrochemical, pigment, dye, and specialty chemical applications.
Its ability to deliver long-term dispersion stability, compatibility with complex formulations, and consistent performance under harsh conditions makes it a preferred choice in professional formulation environments.
Density: 1.29 g/cm³ at 20 °C
Vapor pressure: 0 Pa at 20–25 °C
Form: Solid (particulate/powder)
LogP: 2.6 at 20 °C
Surface tension: 38.12 mN/m at 1 g/L and 20 °C
Supragil RM/210-EI is a commercial specialty dispersing agent classified as an anionic surfactant, typically based on alkyl naphthalene sulfonate sodium salt chemistry.
Supragil RM/210-EI is designed to deliver strong wetting, dispersing, and stabilizing effects in aqueous systems that contain hydrophobic or finely divided solid materials.
The balance between its hydrophobic aromatic structure and hydrophilic sulfonate group allows it to function efficiently at relatively low dosages.
From a chemical functionality standpoint, Supragil RM/210-EI adsorbs onto particle surfaces and imparts a strong negative charge, creating electrostatic repulsion between particles.
This mechanism prevents agglomeration, sedimentation, and flocculation, ensuring long-term dispersion stability.
Its performance remains consistent over a wide pH range and under conditions of elevated ionic strength, which is essential for industrial and formulation-intensive environments.
Physically, the product is usually supplied as a powder or concentrated liquid that dissolves readily in water to form clear or slightly opalescent solutions.
Supragil RM/210-EI exhibits good thermal stability and resistance to hydrolysis, allowing it to withstand typical processing temperatures and storage conditions.
These properties make it compatible with a wide range of formulation processes, including high-shear mixing and milling operations.
In applied formulations, Supragil RM/210-EI improves the wetting of solid surfaces, allowing water to penetrate powders and pigments more rapidly.
This leads to faster dispersion, reduced processing time, and improved homogeneity of the final product.
Its use can significantly enhance flow properties, reduce viscosity fluctuations, and improve application consistency in liquid systems.
Supragil RM/210-EI is valued for its reliability, robustness, and versatility as a dispersant and wetting agent.
It is particularly suited for demanding industrial, agrochemical, pigment, dye, and specialty chemical formulations where stable dispersion, long shelf life, and consistent performance are critical.
Supragil RM/210-EI is a proprietary, high-performance anionic dispersing agent primarily based on alkyl naphthalene sulfonate sodium salt chemistry.
Supragil RM/210-EI is engineered to improve the wetting, dispersion, and stabilization of hydrophobic solids in aqueous systems, especially where uniform particle distribution is critical.
The product is designed for professional and industrial formulations rather than consumer use, emphasizing robustness and consistency.
At the molecular level, Supragil RM/210-EI contains a hydrophobic aromatic naphthalene structure combined with a strongly hydrophilic sulfonate group.
This dual character allows the molecule to anchor onto solid particle surfaces while remaining highly compatible with water.
As a result, it effectively reduces interfacial tension and promotes rapid wetting of powders and pigments that would otherwise resist dispersion.
Functionally, the dispersant works by adsorbing onto particle surfaces and imparting a strong negative surface charge.
This creates electrostatic repulsion between particles, preventing agglomeration, flocculation, and sedimentation over time.
The outcome is a stable, homogeneous dispersion with improved shelf life and reproducible performance during application.
Supragil RM/210-EI maintains its dispersing efficiency across a wide pH range and under conditions of high electrolyte concentration or hard water.
This stability is particularly important in industrial formulations where salts, active ingredients, or process chemicals might otherwise disrupt surfactant performance.
Its resistance to hydrolysis and thermal stress allows it to perform reliably during processing, storage, and end use.
In formulation practice, Supragil RM/210-EI helps reduce processing time by enabling faster wetting and dispersion during mixing or milling.
Supragil RM/210-EI can lower energy requirements in high-shear processes and improve viscosity control in liquid systems.
These effects contribute to smoother processing, more uniform products, and improved application behavior.
Uses:
Supragil RM/210-EI is widely used as a dispersing and wetting agent in agrochemical formulations, such as wettable powders, suspension concentrates, and water-dispersible granules.
It ensures that poorly soluble active ingredients are uniformly distributed in water, improving formulation stability and application efficiency.
This leads to more consistent dosing and improved performance of crop protection products.
In the pigments and dyes industry, Supragil RM/210-EI is applied to enhance the dispersion of inorganic and organic pigments in aqueous systems.
Supragil RM/210-EI prevents particle agglomeration during milling, mixing, and storage, resulting in uniform color strength and improved optical properties.
Its use also helps maintain low viscosity and smooth flow behavior in pigment pastes and dispersions.
Supragil RM/210-EI is commonly used in industrial and specialty chemical formulations, including construction chemicals, polymer additives, and surface treatment products.
It improves the wetting of fine powders and fillers, allowing faster incorporation into liquid systems and reducing processing time.
This contributes to better homogeneity, improved shelf life, and reproducible product quality.
Supragil RM/210-EI is also utilized in detergents and cleaning formulations as a surfactant and dispersant.
It aids in the removal and suspension of particulate soils, preventing redeposition during the cleaning process.
Its stability in hard water and electrolyte-rich environments makes it suitable for demanding industrial cleaning applications.
Supragil RM/210-EI is extensively used in agrochemical formulations, including wettable powders, suspension concentrates, and water-dispersible granules, where it promotes rapid wetting and stable dispersion of active ingredients in water.
By preventing particle agglomeration and sedimentation, it helps maintain uniform concentration during storage and application.
This results in improved sprayability, consistent field performance, and enhanced effectiveness of crop protection products.
In pigment, dye, and colorant systems, Supragil RM/210-EI is applied to achieve fine and stable dispersions of both organic and inorganic pigments.
It supports efficient milling and grinding processes by reducing particle–particle attraction and lowering energy requirements.
The outcome is improved color strength, reduced viscosity fluctuations, and long-term stability of pigment pastes and aqueous dispersions.
Within construction chemicals and specialty industrial formulations, Supragil RM/210-EI is used to disperse fillers, mineral powders, and functional additives in water-based systems.
It enhances the workability and homogeneity of products such as concrete admixtures, coatings, and surface treatment formulations.
Its robustness in alkaline environments and in the presence of electrolytes makes it especially suitable for construction-related applications.
Supragil RM/210-EI is also employed in detergent and industrial cleaning formulations as a dispersant that keeps dirt, pigments, and particulate soils suspended in the wash liquor.
This prevents redeposition on surfaces and improves overall cleaning efficiency.
Its stability in hard water and compatibility with other surfactants allow it to be integrated into complex cleaning formulations without loss of performance.
Safety Profile:
Supragil RM/210-EI may cause irritation to the eyes and skin due to its surfactant nature, especially with direct or prolonged contact.
Contact with eyes can lead to redness, watering, and discomfort, while repeated skin exposure may result in dryness or mild irritation.
Appropriate personal protective equipment such as gloves and eye protection is recommended during handling.
Inhalation of dust or aerosols, particularly if the product is handled in powder form or sprayed, may irritate the respiratory tract.
Symptoms can include coughing, throat irritation, or shortness of breath when exposure occurs at elevated concentrations.
Adequate ventilation and dust control measures help reduce inhalation risks.
Although generally considered to have low acute toxicity, prolonged or repeated exposure may increase the likelihood of cumulative irritation effects.
Accidental release into the environment may be harmful to aquatic organisms because of its surface-active properties.
Proper handling, storage, and disposal in accordance with industrial safety guidelines are important to minimize health, safety, and environmental risks.
