PRODUCTS

DISPONIL FES 147

Disponil FES 147 is extensively employed as a primary emulsifier and stabilizer in emulsion polymerization processes for manufacturing waterborne polymer dispersions used in architectural paints, industrial coatings, wood coatings, paper coatings, textile binders, and construction chemicals.
Disponil FES 147 plays a critical role in producing acrylic, styrene-acrylic, vinyl acetate, vinyl acetate-ethylene (VAE), styrene-butadiene (SBR), and other synthetic latex systems by ensuring excellent colloidal stability throughout polymerization and storage.
Disponil FES 147 is widely used as a primary emulsifier in emulsion polymerization, synthetic latex production, adhesives, coatings, textile chemicals, and industrial cleaning formulations.

CAS Number: Mixture / No single CAS number assigned
EC Number: Mixture / No single EC number assigned
Molecular Formula: Not applicable (UVCB mixture)
Molecular Weight: Not applicable (mixture)

SYNONYMS:
DISPONIL® FES 147, Disponil FES 147, Fatty Alcohol Ether Sulfate + 7 EO Sodium Salt, Sodium Fatty Alcohol Ether Sulfate (7 EO), Alcohol Ether Sulfate (AES), Sodium Laureth Sulfate Type Surfactant (7 EO), Fatty Alcohol Ethoxylated Sulfate, Sodium Alkyl Ether Sulfate, AES Surfactant

Disponil FES 147 is a high-performance anionic surfactant based on a native fatty alcohol ether sulfate (AES) produced by BASF.
Disponil FES 147 is primarily utilized as a primary emulsifier in emulsion polymerization systems, offering excellent stability and performance for manufacturing adhesives, sealants, and paints.
Disponil FES 147 is a proprietary commercial surfactant composed of sodium fatty alcohol ether sulfates with approximately 7 ethylene oxide (EO) units.

Since Disponil FES 147 is a UVCB (Unknown or Variable composition, Complex reaction products or Biological materials) mixture rather than a single pure chemical substance, it does not have one unique CAS number, EC number, molecular formula, or molecular weight.
Disponil FES 147 is an anionic alcohol ether sulfate surfactant developed by BASF primarily for industrial formulations and emulsion polymerization processes.

Disponil FES 147 consists of fatty alcohol chains that have been ethoxylated with approximately seven ethylene oxide units and subsequently sulfated and neutralized with sodium hydroxide to produce the sodium salt.
Disponil FES 147 combines excellent emulsifying power, outstanding wetting performance, and good particle stabilization while generating moderate foam compared with conventional alkyl sulfates.
The presence of seven EO units provides an excellent balance between hydrophilic and lipophilic properties, making Disponil FES 147 suitable for stabilizing a broad range of polymer dispersions and emulsions.

Disponil FES 147 is a high-performance anionic surfactant based on ethoxylated fatty alcohol sulfate technology and is specifically developed for demanding industrial applications requiring excellent emulsification, wetting, dispersion, and stabilization properties.
Disponil FES 147 is supplied as an aqueous solution of sodium fatty alcohol ether sulfate containing approximately seven ethylene oxide (EO) units, providing an optimal balance between hydrophilic and lipophilic characteristics.

This balanced molecular structure enables the surfactant to efficiently reduce surface and interfacial tension, promote the formation of stable oil-in-water emulsions, and improve the dispersion of pigments, fillers, and other solid particles.
Its excellent compatibility with a broad range of polymers, surfactants, and formulation additives, combined with its good biodegradability and process stability, makes Disponil FES 147 a versatile ingredient for modern industrial formulations that require high efficiency, reproducible quality, and long-term product stability.

USES and APPLICATIONS of DISPONIL FES 147:
Disponil FES 147 is extensively employed as a primary emulsifier and stabilizer in emulsion polymerization processes for manufacturing waterborne polymer dispersions used in architectural paints, industrial coatings, wood coatings, paper coatings, textile binders, and construction chemicals.
Disponil FES 147 plays a critical role in producing acrylic, styrene-acrylic, vinyl acetate, vinyl acetate-ethylene (VAE), styrene-butadiene (SBR), and other synthetic latex systems by ensuring excellent colloidal stability throughout polymerization and storage.

Disponil FES 147 is widely used as a primary emulsifier in emulsion polymerization, synthetic latex production, adhesives, coatings, textile chemicals, and industrial cleaning formulations.
In the coatings industry, Disponil FES 147 is incorporated into decorative paints, industrial maintenance coatings, anti-corrosion coatings, roof coatings, elastomeric coatings, waterproofing membranes, and specialty protective coatings.
Disponil FES 147 improves pigment wetting, filler dispersion, and binder stability, resulting in coatings with enhanced film uniformity, gloss development, and application properties.

Disponil FES 147 is widely used in emulsion polymerization, waterborne coatings, adhesives, textile auxiliaries, industrial cleaning formulations, and specialty chemical processes, where consistent performance and reliable colloidal stability are essential.
Within adhesive technology, Disponil FES 147 is used in pressure-sensitive adhesives, wood glues, packaging adhesives, bookbinding adhesives, paper laminating adhesives, carpet backing systems, and nonwoven binders.
Disponil FES 147 contributes to stable adhesive emulsions with excellent storage stability, controlled viscosity, and consistent bonding performance.

Disponil FES 147 is also widely utilized in textile processing as a wetting agent, scouring aid, emulsifier, detergent, and dispersant.
Disponil FES 147 enhances the removal of spinning oils, waxes, and processing residues from natural and synthetic fibers while improving dye penetration and ensuring uniform chemical treatment during bleaching, dyeing, and finishing operations.

In industrial and institutional cleaning products, Disponil FES 147 functions as a powerful detergent, grease emulsifier, and wetting agent in hard-surface cleaners, floor cleaners, heavy-duty degreasers, metal cleaners, machine cleaning formulations, transportation cleaners, and alkaline maintenance products.
Disponil FES 147's ability to emulsify oily contaminants and suspend particulate soils improves overall cleaning efficiency while reducing redeposition on cleaned surfaces.
Disponil FES 147 is also valuable in agrochemical formulations, where it serves as an emulsifier, dispersant, and wetting agent for suspension concentrates, emulsifiable concentrates, seed treatment formulations, and foliar spray products.

Disponil FES 147 promotes uniform distribution of active ingredients, enhances spray coverage, and improves the stability of pesticide and fertilizer formulations during storage and application.
Additional industrial applications of Disponil FES 147 include pigment concentrates, ceramic processing, mineral slurries, paper manufacturing, synthetic rubber production, emulsion waxes, construction admixtures, polymer modifiers, mineral dispersion systems, and specialty chemical formulations requiring efficient surface activity, reliable emulsification, and excellent colloidal stabilization.

Its versatility, process reliability, and compatibility with a broad range of industrial raw materials make Disponil FES 147 a preferred surfactant for demanding water-based formulation technologies.
Disponil FES 147 is primarily used as a high-performance primary emulsifier in emulsion polymerization processes for the manufacture of synthetic latexes based on vinyl acetate, acrylic esters, styrene-acrylic copolymers, styrene-butadiene rubber (SBR), vinyl acetate-ethylene (VAE), and other waterborne polymer dispersions.

Disponil FES 147 stabilizes polymer particles throughout polymerization, allowing the production of dispersions with excellent particle size control, low coagulum content, and high storage stability.
Disponil FES 147 is extensively incorporated into water-based architectural coatings, industrial paints, decorative coatings, protective coatings, primers, waterproofing systems, and specialty coating formulations where stable polymer emulsions are essential for consistent film formation and long-term product performance.

In adhesive manufacturing, Disponil FES 147 serves as an emulsifier for pressure-sensitive adhesives, woodworking adhesives, packaging adhesives, construction adhesives, and laminating binders, contributing to improved emulsion stability and processing reliability.
Within the textile industry, Disponil FES 147 functions as a wetting agent, emulsifier, detergent, and dispersing agent during textile pretreatment, dyeing, scouring, and finishing operations.

Disponil FES 147's rapid wetting characteristics improve liquid penetration into fibers, while its detergency assists in removing processing oils and contaminants.
Disponil FES 147 is also employed in industrial and institutional cleaning formulations, where it provides efficient soil removal, grease emulsification, surface wetting, and detergent performance.
Disponil FES 147 can be formulated into hard-surface cleaners, metal cleaners, equipment cleaners, and alkaline detergent systems because of its good stability under alkaline conditions.

In agrochemical formulations, Disponil FES 147 serves as an emulsifier and dispersing agent for pesticide suspension concentrates, emulsifiable concentrates, and liquid fertilizer formulations, promoting uniform dispersion of active ingredients and improving spray coverage.
Additional applications of Disponil FES 147 include pigment dispersion, ceramic processing, paper chemicals, construction chemicals, polymer modification, synthetic rubber production, specialty emulsions, and other industrial formulations requiring efficient anionic surfactants with excellent emulsification, colloidal stabilization, wetting, and dispersing properties.

CHARACTERISTICS of DISPONIL FES 147:
Disponil FES 147 is a highly efficient anionic surfactant engineered to provide excellent emulsification, wetting, dispersion, and colloidal stabilization in a wide variety of industrial formulations.
Disponil FES 147 possesses a balanced hydrophilic-lipophilic structure due to its ethoxylated fatty alcohol backbone and approximately seven ethylene oxide units, enabling it to stabilize oil-in-water emulsions with high efficiency.
Disponil FES 147 exhibits strong adsorption at interfaces, rapidly reducing surface and interfacial tension to improve the wetting of pigments, fillers, fibers, and solid substrates.

Disponil FES 147 provides excellent stabilization of polymer particles during emulsion polymerization, minimizing particle agglomeration and reducing coagulum formation throughout the manufacturing process.
Disponil FES 147 demonstrates good compatibility with numerous anionic and nonionic surfactants, water-soluble polymers, and common formulation additives, allowing formulators to develop highly stable multi-component systems.
Disponil FES 147's balanced foaming characteristics make it suitable for both high-foam and controlled-foam formulations, while its good electrolyte tolerance allows reliable performance even in formulations containing salts, inorganic fillers, or water hardness ions.

Disponil FES 147 maintains excellent process stability during mixing, pumping, filtration, and storage, contributing to consistent product quality in large-scale industrial production.
Disponil FES 147 is characterized by its excellent balance of emulsifying efficiency, wetting performance, and latex stabilization.
The seven ethylene oxide units increase Disponil FES 147's hydrophilicity compared with lower-EO ether sulfates, enabling the formation of highly stable emulsions and polymer dispersions.

Disponil FES 147 exhibits outstanding particle stabilization during emulsion polymerization, helping to control particle size distribution while minimizing coagulum formation.
Disponil FES 147 provides efficient adsorption onto growing polymer particles, resulting in improved colloidal stability throughout the polymerization process.
Disponil FES 147 demonstrates good tolerance toward electrolytes and formulation additives and remains compatible with many anionic and nonionic surfactants.

Disponil FES 147 also offers reliable process consistency during continuous industrial production and contributes to excellent storage stability of finished latex dispersions.
Its balanced foaming behavior and strong surface activity make Disponil FES 147 suitable for demanding industrial formulations requiring controlled emulsification and dispersion.

BENEFITS of DISPONIL FES 147:
Disponil FES 147 enhances formulation performance by providing rapid and efficient emulsification of hydrophobic materials, allowing manufacturers to produce stable dispersions with excellent long-term storage stability.
Disponil FES 147's superior wetting ability improves substrate coverage, enabling coatings, adhesives, and cleaning products to spread uniformly across difficult-to-wet surfaces.
During emulsion polymerization, Disponil FES 147 promotes the formation of uniform polymer particles with controlled particle size distribution, resulting in improved latex stability and reduced sedimentation.

Disponil FES 147 helps improve manufacturing efficiency by minimizing coagulum formation, reducing equipment fouling, and supporting smoother continuous production processes.
Disponil FES 147 contributes to improved mechanical stability of polymer emulsions during transportation, pumping, and high-shear mixing operations.
Disponil FES 147 also enhances pigment dispersion efficiency, producing coatings with improved color development, gloss, opacity, and surface uniformity.

Disponil FES 147's excellent detergency and grease-emulsifying capability improve the cleaning performance of industrial and institutional cleaning products while maintaining formulation stability over a broad pH range.
In addition, Disponil FES 147's readily biodegradable chemistry supports the development of environmentally responsible formulations without compromising industrial performance.
Disponil FES 147 provides significant benefits in industrial formulations by delivering highly efficient emulsification while maintaining excellent long-term dispersion stability.

Disponil FES 147 enables the production of polymer emulsions with narrow particle size distributions, improved mechanical stability, and reduced coagulum formation during manufacturing.
Disponil FES 147 enhances polymerization efficiency by stabilizing monomer droplets and growing polymer particles throughout the reaction.
Disponil FES 147's excellent wetting properties improve substrate coverage and facilitate rapid penetration into porous surfaces.

Disponil FES 147 contributes to improved formulation consistency, reproducible processing, and reliable product quality across large production batches.
Disponil FES 147's good compatibility with various monomers, initiator systems, and auxiliary surfactants allows formulators considerable flexibility when developing new polymer dispersions.
Because of its readily biodegradable surfactant chemistry, Disponil FES 147 also supports the development of more environmentally compatible industrial formulations while maintaining high technical performance.

CHEMICAL FAMILY of DISPONIL FES 147:
Alcohol Ether Sulfates (AES)
Fatty Alcohol Ether Sulfates
Anionic Surfactants

CHEMICAL PROPERTIES of DISPONIL FES 147:
Anionic surfactant
Sulfated ethoxylated fatty alcohol derivative
Excellent interfacial activity

Strong adsorption at oil-water interfaces
Disponil FES 147 reduces surface and interfacial tension efficiently
Disponil FES 147 forms stable micelles above the critical micelle concentration

Disponil FES 147 produces stable oil-in-water emulsions
Disponil FES 147 provides electrostatic stabilization of dispersed particles
Excellent colloidal stabilization properties

High affinity for aqueous systems
Good compatibility with polymerization initiators
Resistant to hydrolysis under normal formulation conditions

Low tendency to form insoluble calcium salts compared with alkyl sulfates
Disponil FES 147 maintains surfactant efficiency over a broad processing temperature range

FUNCTIONAL of DISPONIL FES 147:
Emulsifying / Oil-Water-Emulsifiers
Surface Modification / Wetting Substrate
Surfactants / Anionic Surfactants
Dynamic Wetting

KEY CHARACTERISTICS of DISPONIL FES 147:
Chemical Nature:
Fatty alcohol ether sulfate (C₁₂C₁₄) + 7 EO, sodium salt.
Appearance:
Colorless to slightly yellow liquid.
Function:
Emulsifier, wetting agent, and detergent.

PHYSICAL and CHEMICAL PROPERTIES of DISPONIL FES 147:
Appearance: Clear to slightly hazy liquid
Physical state: Liquid
Color: Colorless to pale yellow
Odor: Mild characteristic odor
Ionic character: Anionic
Chemical type: Alcohol ether sulfate
Active substance: Approximately 47% (commercial grade may vary)
Ethylene oxide content: Approximately 7 EO units
Counter ion: Sodium

Water solubility: Completely miscible with water
Solubility: Soluble in polar solvents; limited solubility in non-polar solvents
pH (aqueous solution): Neutral to slightly alkaline depending on concentration
Density (20–25°C): Approximately 1.03–1.08 g/cm³
Viscosity: Low to moderate
Surface activity: Excellent
Surface tension reduction: High
Wetting power: Excellent
Foaming properties: Moderate to high

Foam stability: Good
Emulsification efficiency: Excellent
Dispersion capability: Excellent
Detergency: Excellent
Electrolyte tolerance: Good
Hard water tolerance: Better than alkyl sulfates
Stability in alkaline media: Excellent
Stability in acidic media: Good under recommended conditions
Thermal stability: Good under normal processing temperatures
Chemical stability: Stable under recommended storage conditions
Hydrolytic stability: Good

Biodegradability: Readily biodegradable under aerobic conditions
Compatibility: Compatible with many anionic and nonionic surfactants and numerous polymer systems
Freeze-thaw stability: Good
Storage stability: Excellent when protected from freezing and excessive heat
Chemical Structure: Fatty alcohol ether sulfate + 7 EO, sodium salt
Product Name: DISPONIL® FES 147
Chemical Description: Fatty Alcohol Ether Sulfate + 7 EO, Sodium Salt
Sodium Fatty Alcohol Ether Sulfate (7 EO)
Anionic Surfactant
CAS Number: Mixture / No single CAS number assigned
EC Number: Mixture / No single EC number assigned
Molecular Formula: Not applicable (UVCB mixture)
Molecular Weight: Not applicable (mixture)

FIRST AID MEASURES of DISPONIL FES 147:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of DISPONIL FES 147:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of DISPONIL FES 147:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of DISPONIL FES 147:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of DISPONIL FES 147:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of DISPONIL FES 147:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available