SUPRAGIL RM/210-EI

SUPRAGIL RM/210-EI is a polymeric anionic dispersing agent based on alkyl naphthalene sulfonate chemistry and is primarily developed for crop-protection formulations containing finely divided, water-insoluble active ingredients.
SUPRAGIL RM/210-EI is particularly suitable for wettable powder formulations and is recommended for formulations prepared with high bulk density carriers.
SUPRAGIL RM/210-EI combines the strong surface affinity of an aromatic polymer backbone with the water compatibility of sulfonate groups, allowing solid particles to remain more effectively separated after the formulation is dispersed in water.

CAS Number: 9084-06-4
Molecular Formula: (C10H8O3S·CH2O)x·xNa
Molecular Weight: Not defined
EINECS Number: 618-665-6

Synonyms: Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt, Sodium Polynaphthalenesulfonate, Sodium Polynaphthalene Sulfonate, Sodium poly[(naphthaleneformaldehyde)sulfonate], Sodium salt of sulfonated naphthalene-formaldehyde condensate, Naphthalenesulfonic acid formaldehyde polymer sodium salt, Sodium salt of the naphthalenesulfonic acid condensed polymer with formaldehyde, Sodium naphthalene sulfonate formaldehyde condensate, Polynaphthalenemethane Sulfonate Sodium Salt, Polynaphthalenemethane Sulphonate Sodium Salt, Sodium Polynaphthalenemethane Sulfonate, Dispersant NNO, Dispersing Agent NF, Daxad 11, Daxad 15, Daxad 18, Darvan No. 1, Blancol, Atlox 4862, Lomar D, Lomar LS, Lomar PW, QR 819, SUPRAGIL RM 210 EI, SUPRAGIL RM/210-EI.

SUPRAGIL RM/210-EI belongs to a class of condensed aromatic sulfonate polymers commonly described as naphthalene sulfonate-formaldehyde condensates.
SUPRAGIL RM/210-EI is also described as a sodium polynaphthalenemethane sulfonate or sodium alkyl naphthalene sulfonate formaldehyde condensate.
These descriptions reflect the polymeric nature of the product rather than a single low-molecular-weight molecule.

SUPRAGIL RM/210-EI does not have one defined molecular weight in the same way that a discrete organic compound does.
SUPRAGIL RM/210-EIs performance is determined by the chemical nature of the aromatic sulfonate units together with the molecular distribution produced during condensation.
The polymer contains aromatic naphthalene-derived regions that interact readily with hydrophobic surfaces.

At the same time, negatively charged sulfonate groups provide strong affinity for the aqueous phase.
SUPRAGIL RM/210-EI is supplied as a powder and belongs to the polynaphthalene sulfonate family of dispersants widely used where stable distribution of hydrophobic solid particles is required.
SUPRAGIL RM/210-EI acts predominantly at the solid-water interface.

When the dispersant adsorbs onto the surface of suspended particles, the negatively charged sulfonate groups extend toward the aqueous phase.
The resulting electrostatic repulsion between coated particles reduces their tendency to approach each other and form larger agglomerates.
SUPRAGIL RM/210-EI is particularly important during grinding and subsequent dilution because reduction of particle size creates new surface area that requires adequate dispersant coverage.

Without sufficient stabilization, freshly milled particles may rapidly reassociate and partially reverse the benefits obtained during particle-size reduction.
SUPRAGIL RM/210-EI helps maintain the dispersion of these fine particles and supports more uniform distribution of the active ingredient throughout the formulation.

SUPRAGIL RM/210-EI is particularly associated with crop-protection formulations in which hydrophobic pesticide particles must be converted into a stable aqueous dispersion before application.
Wettable powders represent one of the principal commercial applications of SUPRAGIL RM/210-EI.
In this type of formulation, the dry powder must first come into contact with water and subsequently form a suspension in which the active ingredient remains sufficiently dispersed for effective spraying.

SUPRAGIL RM/210-EI is primarily related to the second stage, where separated particles must remain distributed instead of rapidly flocculating or settling as large agglomerates.
SUPRAGIL RM/210-EI is also identified commercially as a dispersing agent for suspension concentrates, suspo-emulsions and water-dispersible granules.

These formulation types differ significantly in their physical structure, but all may require efficient control of interactions between finely divided solid particles.
SUPRAGIL RM/210-EI makes it suitable for such systems because the product is designed to provide anionic stabilization in an aqueous environment.

SUPRAGIL RM/210-EI establish an interface between insoluble solid particles and surrounding water.
The result is a more stable dispersion in which individual particles are less likely to form large aggregates.
The aromatic structure is particularly relevant for organic active ingredients and other hydrophobic solids because it can provide effective adsorption onto relatively non-polar particle surfaces.

Once adsorption occurs, the ionic groups contribute to stabilization of the dispersed state.
SUPRAGIL RM/210-EI therefore differs functionally from a simple wetting agent.
SUPRAGIL RM/210-EI a wetting agent is mainly responsible for allowing water to replace air from a hydrophobic solid surface.

SUPRAGIL RM/210-EI a dispersing agent must then help keep the wetted particles separated after they enter the aqueous phase.
In practical formulations, these functions may be supplied by different surfactants.
SUPRAGIL RM/210-EI can therefore be combined with dedicated wetting agents when rapid penetration and efficient particle dispersion are both required.

The distinction becomes particularly important in wettable powders.
SUPRAGIL RM/210-EI a formulation may enter water rapidly but still perform poorly if the particles flocculate immediately after wetting.
Conversely, an effective dispersant cannot function optimally if the dry powder is extremely difficult to wet.

Balanced formulation design therefore requires both wetting and dispersion to be considered.
SUPRAGIL RM/210-EI is particularly relevant where particle aggregation needs to be controlled after the wetting stage.
SUPRAGIL RM/210-EI is recommended for wettable powder systems containing high bulk density carriers.

Carrier density can affect suspension behavior because relatively dense mineral particles possess a stronger tendency to sediment under gravity once the formulation is dispersed.
Effective dispersion cannot eliminate gravitational settling completely, but it can prevent the formation of larger agglomerates that would settle much more rapidly than individual fine particles.
This distinction is important for agrochemical formulations.

A sediment consisting of loosely associated fine particles may be comparatively easy to redisperse, while strongly flocculated or compacted material can produce hard sediment that is much more difficult to return to suspension.
SUPRAGIL RM/210-EI can therefore contribute not only to initial dispersion but also to the overall redispersibility of the formulation.

SUPRAGIL RM/210-EI is also useful during particle-size reduction.
Wet milling or other size-reduction operations continuously expose fresh surfaces.
As the average particle diameter decreases, the total available surface area increases substantially.

This means that the demand for dispersant may increase as grinding progresses.
If the available dispersant is insufficient, viscosity can rise and particles may begin to reagglomerate.
SUPRAGIL RM/210-EI can adsorb onto newly generated surfaces and help preserve the particle-size distribution produced by the milling process.

The concentration required depends on the chemistry and surface area of the active ingredient.
SUPRAGIL RM/210-EI a highly crystalline pesticide with a large specific surface area may require a different dispersant loading from a formulation containing a coarser mineral carrier or a less hydrophobic active ingredient.

The optimum amount should therefore be established experimentally rather than transferred directly from an unrelated formulation.
Water quality can also influence the behavior of an anionic dispersant.
Hardness ions and dissolved electrolytes alter the ionic environment surrounding charged particles and polymer chains.

SUPRAGIL RM/210-EI should therefore be evaluated using water representative of the intended application conditions, particularly where high hardness or electrolyte concentrations are expected.
The naphthalene sulfonate-formaldehyde chemistry represented by SUPRAGIL RM/210-EI has long been used in industrial dispersion technology because it combines strong aqueous compatibility with adsorption onto particulate materials.

This same chemical principle is also used in pigment, dye and other aqueous dispersion systems.
SUPRAGIL RM/210-EI itself has been specifically documented in dispersion systems containing water-insoluble colorants.
In these systems, the dispersant helps maintain finely divided dye particles during preparation of aqueous color dispersions.

The ability to work with organic water-insoluble particles illustrates why the same product chemistry is useful in agrochemical formulations containing hydrophobic pesticide active ingredients.
SUPRAGIL RM/210-EI has been used experimentally with disperse dyes in aqueous dispersion technology intended for inkjet textile printing.
SUPRAGIL RM/210-EI has been evaluated as a commercial naphthalene-sulfonate-based dispersant in systems requiring stable distribution of a water-insoluble colorant.

SUPRAGIL RM/210-EI represents an additional application of the product beyond its principal crop-protection market.
The material is also suitable for formulation systems in which processing consistency is important.
Poor particle dispersion can produce localized concentration differences, unstable viscosity and inconsistent transfer during manufacturing.

Maintaining a uniform particulate phase can make pumping, milling, filling and subsequent dilution more predictable.
SUPRAGIL RM/210-EI should nevertheless always be evaluated within the complete formulation.
Surfactants, rheology modifiers, electrolytes, antifoams, preservatives, carriers and active ingredients can all influence final dispersion behavior.

Changes in one component may alter the optimum amount of dispersant required.
For this reason, successful use depends on formulation testing rather than on the chemical identity of the dispersant alone.

Physical Form: Powder
Appearance: Brown powder
Ionic Character: Anionic
Water Solubility: Soluble in water
Bulk Density: 0.800 g/cm3
pH: 7.0–9.0
Moisture Content: maximum 8.0%
Flash Point: at least 100 °C
Shelf Life: 12 months

SUPRAGIL RM/210-EI is particularly convenient for dry crop-protection formulations.
A solid dispersant can be dry blended with active ingredients, carriers and other formulation auxiliaries without introducing an additional liquid phase.
This is especially useful in wettable powders and granule premixes where control of moisture and powder flow is important.

The bulk density of approximately 0.800 g/cm3 is relevant during industrial handling because bulk density affects volumetric dosing, bag filling, conveying and blending behavior.
SUPRAGIL RM/210-EI also makes the product comparatively suitable for formulations containing high bulk density carriers, one of the applications specifically associated with SUPRAGIL RM/210-EI.

Moisture control is important for maintaining the physical condition of the powder.
Excessive moisture can affect free flow, promote caking and change the behavior of dry blends during storage.
For formulations that will subsequently be granulated, moisture can also affect granule formation and drying requirements.

SUPRAGIL RM/210-EI is compatible with many aqueous agrochemical formulation systems.
Nevertheless, pH compatibility should be considered together with the stability requirements of the active ingredient.
Some pesticides are sensitive to hydrolysis under strongly acidic or alkaline conditions, so the complete formulation pH should always be determined according to active-ingredient stability rather than the dispersant alone.

The water solubility of SUPRAGIL RM/210-EI is fundamental to its function.
After the formulation contacts water, the dispersant must become available in the aqueous phase and at particle surfaces without leaving persistent undissolved dispersant.
SUPRAGIL RM/210-EI supports rapid development of the electrostatic environment needed for particle stabilization.

SUPRAGIL RM/210-EI can also influence slurry viscosity.
Well-dispersed particles can frequently occupy the liquid phase more efficiently than strongly flocculated particles.
Reducing uncontrolled particle association may therefore allow a concentrated dispersion to remain processable at a solids level that would otherwise generate excessive viscosity.

The magnitude of this effect depends strongly on the active ingredient and formulation composition.
Particle-size distribution is another key variable.
SUPRAGIL RM/210-EI a formulation containing a broad distribution of particle sizes may behave differently from one containing uniformly fine particles even when the same amount of dispersant is used.

Fine particles have a greater total surface area and generally create a higher dispersant demand.
The relationship between particle size and dispersant loading should therefore be considered during milling optimization.
SUPRAGIL RM/210-EI temperature can also influence dispersion performance indirectly through viscosity and solubility of other formulation components.

Manufacturers should evaluate the finished formulation across the temperature conditions expected during production, storage and application.
The objective is not only to obtain a visually uniform mixture immediately after production but to retain acceptable performance throughout the intended shelf life.
SUPRAGIL RM/210-EI should therefore be assessed through parameters relevant to the actual formulation type.

SUPRAGIL RM/210-EI, these may include wetting time, suspensibility, wet-sieve residue, sediment formation and redispersibility.
For a water-dispersible granule, disintegration, attrition resistance, wetting, dispersion and suspension stability become important.

For a suspension concentrate, viscosity, particle-size stability, sedimentation, crystal growth and redispersion may be particularly relevant.
SUPRAGIL RM/210-EI formulation-specific approach provides a more reliable basis for selecting SUPRAGIL RM/210-EI than evaluating the raw material in isolation.

Uses:
SUPRAGIL RM/210-EI is primarily used as a polymeric anionic dispersing agent in crop-protection formulations containing insoluble or poorly water-soluble active ingredients.
SUPRAGIL RM/210-EIs main commercial application is in wettable powders, where the product helps maintain the distribution of finely divided pesticide particles after the powder is mixed with water.

The manufacturer specifically recommends SUPRAGIL RM/210-EI for wettable powder formulations based on high bulk density carriers.
This is important because dense carrier particles and active ingredients can sediment rapidly if particle aggregation is not controlled.
SUPRAGIL RM/210-EI helps the dispersed solids behave as smaller independent particles rather than large agglomerates.

This can support more uniform suspension and improve the ability of the formulation to remain sufficiently homogeneous during spray preparation and application.
Water-dispersible granules are another relevant application for SUPRAGIL RM/210-EI.
A WDG formulation must possess enough mechanical strength to withstand manufacturing, packaging and transport while still breaking apart efficiently when added to water.

After granule disintegration, the individual active-ingredient and carrier particles must remain dispersed.
SUPRAGIL RM/210-EI can assist this stage by stabilizing the released particles and reducing re-agglomeration.
SUPRAGIL RM/210-EI is therefore useful in formulations where dry handling performance must ultimately be combined with effective aqueous dispersion.

SUPRAGIL RM/210-EI as a sodium alkyl naphthalene sulfonate formaldehyde condensate used in water-dispersible agricultural granules.
This application places the material within the established group of aromatic sulfonate-formaldehyde dispersants used to support wetting and dispersion of insoluble pesticide solids.
Suspension concentrates represent another application area.

SUPRAGIL RM/210-EI, the active ingredient remains present as fine solid particles suspended within a continuous liquid phase.
Because the system is stored in the dispersed state, long-term control of particle interactions becomes particularly important.
SUPRAGIL RM/210-EI can contribute to the stabilization of these particles by adsorbing at their surfaces and creating electrostatic repulsion.

This can help limit flocculation during storage and support redispersion if reversible settling occurs.
Suspension emulsions can also make use of SUPRAGIL RM/210-EI.
SUPRAGIL RM/210-EI formulations contain both dispersed solid particles and an emulsified liquid phase, creating a more complex interfacial environment than a conventional suspension concentrate.

SUPRAGIL RM/210-EI a suitable dispersant is required to stabilize the solid fraction without interfering adversely with the emulsifier system.
SUPRAGIL RM/210-EI can be evaluated for this purpose because it is commercially positioned across SC, SE, WP and WG/WDG crop-protection formulations.
Wet grinding is another important application.

SUPRAGIL RM/210-EI particle-size reduction of agrochemical active ingredients is frequently required to obtain appropriate suspensibility, spray performance and formulation stability.
During milling, particle breakage continually generates fresh surfaces.
SUPRAGIL RM/210-EI can adsorb onto these newly created surfaces and reduce the tendency of the particles to recombine.

SUPRAGIL RM/210-EI can therefore be introduced into the milling phase when the formulation process requires stabilization to occur simultaneously with particle-size reduction.
SUPRAGIL RM/210-EIs use during grinding may also help control slurry viscosity.
As fine particles agglomerate, they can form extended structures that trap liquid and cause viscosity to rise.

Improved dispersion can reduce this uncontrolled structure formation and help maintain more manageable processing characteristics.
The actual effect depends on solids loading, particle morphology, active-ingredient chemistry and dispersant concentration.
SUPRAGIL RM/210-EI is particularly relevant to high-solids formulations.

At increasing solids concentration, average particle separation decreases and interactions between adjacent particles become more frequent.
This creates greater risk of flocculation and viscosity development.
A polymeric dispersing agent can help control these interactions and allow formulators to work at commercially useful solids levels.

The optimum loading must nevertheless be identified experimentally.
Too little dispersant may leave part of the particle surface insufficiently protected, while excessive dispersant may provide no additional performance advantage and can alter other formulation properties.
Wettable powder manufacturers can combine SUPRAGIL RM/210-EI with a separate wetting agent.

SUPRAGIL RM/210-EI wetting agent facilitates penetration of water into the dry powder and displacement of air from hydrophobic surfaces.
SUPRAGIL RM/210-EI then contributes to keeping the wetted particles separated.
This division of functionality allows the surfactant package to be adjusted according to the specific requirements of the active ingredient.

Mineral carriers such as silica, clay and related fine powders may also be present in WP and WDG systems.
Their surface chemistry, particle size and density influence both dispersant demand and sedimentation behavior.
The recommendation of SUPRAGIL RM/210-EI for high bulk density carriers makes the product particularly relevant when conventional dispersant systems do not provide sufficient particle separation.

SUPRAGIL RM/210-EI is also applicable to formulations containing several solid ingredients.
Multi-active crop-protection products can be challenging because each active ingredient may have a different particle surface, density, hydrophobicity and dispersant requirement.
The dispersant system must therefore provide sufficient stabilization across the complete particulate phase.

SUPRAGIL RM/210-EI can be evaluated as part of such systems, with final performance determined through formulation testing.
Water hardness should be considered during development.
Application water used in agricultural practice may contain calcium, magnesium and other dissolved ions at concentrations substantially different from laboratory purified water.

These ions can influence the electrical environment surrounding anionic dispersants and dispersed particles.
SUPRAGIL RM/210-EI should therefore be tested under representative hard-water conditions when the finished product is intended for geographically diverse markets.
Electrolytes originating from the formulation itself must also be considered.

Salts, buffers and ionic active ingredients can influence electrostatic stabilization.
SUPRAGIL RM/210-EI a formulation that performs well in a simple aqueous laboratory system may behave differently when all commercial formulation components are present.
Complete formulation testing is therefore necessary.

SUPRAGIL RM/210-EI can also be used in aqueous dispersions of water-insoluble colorants.
SUPRAGIL RM/210-EI has been documented as a dispersant for disperse dyes used to prepare stable colored dispersions.
This application relies on the same fundamental mechanism used in agrochemical formulations: adsorption of the aromatic sulfonate polymer onto hydrophobic particle surfaces followed by stabilization in water.

Disperse dyes are particularly suitable examples because they possess very low water solubility and must be maintained as fine particles for many textile coloration processes.
SUPRAGIL RM/210-EI has been investigated in such dispersions during the development of inkjet textile printing systems.
In this application, particle-size stability is particularly important because large agglomerates can interfere with filtration, storage stability and inkjet nozzle performance.

SUPRAGIL RM/210-EI in this field demonstrates that its dispersing function is not restricted exclusively to pesticides.
Pigment dispersions represent another technically related application area for polynaphthalene sulfonate chemistry.
Finely divided pigments must remain uniformly distributed during processing and storage to maintain color strength, consistency and application performance.

The aromatic backbone and ionic sulfonate functionality of this class of dispersants can provide useful stabilization in water-based pigment systems.
SUPRAGIL RM/210-EI, however, crop-protection formulations remain the principal verified commercial positioning.
SUPRAGIL RM/210-EI should therefore primarily be selected and evaluated according to agrochemical formulation requirements.

The material can also be considered wherever a water-soluble polymeric anionic dispersant is needed to stabilize hydrophobic particulate matter.
Suitability depends on the chemical nature of the solid phase and the composition of the liquid medium.
SUPRAGIL RM/210-EI should not be assumed that successful performance with one pesticide, dye or pigment automatically guarantees equivalent results with another.

For wettable powder development, important evaluation parameters include wetting time, suspensibility, sediment volume, wet-sieve residue and redispersibility.
These tests provide information about different stages of formulation behavior rather than simply measuring whether the powder enters water.
SUPRAGIL RM/210-EI a well-designed WP should wet efficiently, disperse without persistent agglomerates and remain sufficiently suspended for the intended application period.

For water-dispersible granules, formulators should additionally evaluate granule hardness, dust formation, attrition resistance, disintegration time and dispersion after storage.
SUPRAGIL RM/210-EI must be balanced against the binder and wetting system because these components can influence one another.
A granule that is mechanically very strong may resist disintegration, whereas a very weak granule may produce excessive dust during handling.

The dispersant therefore forms part of a wider formulation balance.
In suspension concentrates, particle-size measurements before and after storage can be particularly informative.
Changes in particle size can indicate flocculation, aggregation or crystal growth.

Viscosity and redispersibility should also be monitored because apparently stable sedimentation behavior does not necessarily mean that the particle network remains suitable for commercial use.
SUPRAGIL RM/210-EI can contribute to controlling these interactions, but the complete rheological system must still be optimized.
Formulators should also assess compatibility with antifoam systems.

Mechanical agitation, grinding and dilution can introduce air into agrochemical formulations.
Although naphthalene sulfonate condensates are generally selected principally for dispersion rather than foam generation, the complete surfactant package determines the actual foaming behavior of the finished product.
Antifoam requirements should therefore be established experimentally.

The agricultural industry represents the principal market for SUPRAGIL RM/210-EI.
Within this sector, its most relevant applications include herbicide, fungicide and insecticide formulations in which the active ingredient is present as an insoluble solid.
SUPRAGIL RM/210-EI itself is not the pesticidal active ingredient.

SUPRAGIL RM/210-EI functions as a co-formulant that supports the physical delivery and distribution of the active substance.
This distinction is important for technical buyers because selection criteria for SUPRAGIL RM/210-EI are based on formulation performance rather than biological activity.

SUPRAGIL RM/210-EI therefore covers wettable powders, water-dispersible  granules, suspension concentrates, suspension emulsions, wet-milling processes and specialized aqueous dispersions of hydrophobic organic solids.
Across these applications, the common requirement is effective separation and stabilization of fine particles in an aqueous environment.

Safety Profile:
SUPRAGIL RM/210-EI is supplied as an industrial powdered surfactant and dispersing agent, and normal precautions for handling chemical powders should be applied during opening, weighing, charging, blending and transfer operations.
Dust generation should be minimized wherever possible.

Mechanical handling of dry powders can release airborne particles, particularly during bag emptying, pneumatic transport or high-speed mixing.
Local exhaust ventilation should be used where process conditions can generate significant airborne dust.
Direct contact with the eyes should be avoided.

SUPRAGIL RM/210-EI includes sodium polynaphthalene sulfonate-formaldehyde condensates for which serious eye damage classifications are reported in chemical safety databases.
Suitable safety glasses or face protection should therefore be used during operations where powder or concentrated solution may splash into the eyes.

If material enters the eyes, immediate and prolonged rinsing with clean water is appropriate, followed by medical evaluation according to the applicable Safety Data Sheet.
Protective gloves and normal chemical-resistant work clothing should be used to reduce unnecessary skin exposure during routine industrial handling.
Contaminated skin should be washed after handling, and contaminated clothing should be cleaned before reuse.

Good workplace hygiene should be maintained in production and formulation areas.
Eating, drinking and smoking should be avoided where the material is processed.
Hands should be washed thoroughly before breaks and after completion of handling operations.

SUPRAGIL RM/210-EI should be protected from unnecessary moisture during storage.
The powder is water soluble, and prolonged exposure to humid conditions can affect powder flow and promote caking.
Containers or bags should therefore remain securely closed when the material is not in use.

SUPRAGIL RM/210-EI should be stored in a dry, clean area protected from contamination and unsuitable environmental conditions.
SUPRAGIL RM/210-EIs stated shelf life is 12 months when stored under appropriate conditions.
Storage practices should also protect packaging from physical damage and prevent uncontrolled release of powder into the workplace.

Spilled dry material should be collected using methods that minimize dust formation.
Dry sweeping that creates airborne dust should be avoided where safer collection methods are available.
Recovered material should be placed into suitable containers and handled according to applicable waste procedures.

Release into drains, surface water and the surrounding environment should be prevented.
Waste material and contaminated packaging should be managed according to local regulatory requirements and the current product Safety Data Sheet.
The current SDS supplied with the commercial grade should always be used as the primary reference when establishing occupational exposure controls, first-aid procedures, firefighting measures, accidental-release procedures, transport requirements and disposal practices.

Supply Of SUPRAGIL RM/210-EI:
For further information about SUPRAGIL RM/210-EI, including product availability, technical specifications, packaging options, application suitability and supply conditions, please contact Ataman Kimya.
Ataman Kimya can provide information required to evaluate SUPRAGIL RM/210-EI for wettable powders, water-dispersible granules, suspension concentrates, suspension emulsions and other industrial dispersion systems and can assist with the technical documentation required for purchasing and formulation evaluation.