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Agnique CSO-40 is a naturally derived nonionic surfactant produced by ethoxylating castor oil with approximately 40 moles of ethylene oxide.
Agnique CSO-40 is widely used as an emulsifier, wetting agent, dispersing aid, solubilizer, compatibilizer, and formulation auxiliary in agrochemical, industrial cleaning, coating, textile, lubricant, adhesive, and specialty chemical systems.
Agnique CSO-40 provides strong oil-in-water emulsification, high aqueous compatibility, renewable castor-oil content, and compatibility with anionic, nonionic, and polymeric surfactant packages.
CAS Number: 61791-12-6
EC Number: Refer to the current regional safety data sheet
Molecular Formula: Not applicable to a distribution of ethoxylated castor oil molecules
Molecular Weight: Variable; dependent on natural castor oil composition and degree of ethoxylation
Synonyms: Agnique CSO-40, Agnique® CSO-40, Agnique CSO 40, Ethoxylated Castor Oil 40 EO, Castor Oil Ethoxylate 40 EO, Polyoxyethylene 40 Castor Oil, POE 40 Castor Oil, PEG-40 Castor Oil, Castor Oil Plus 40 EO, Nonionic Castor Oil Surfactant, Ethoxylated Vegetable Oil Surfactant, Castor Oil-Based Emulsifier, Natural Oil Ethoxylate, Agrochemical Nonionic Emulsifier, General-Purpose Agrochemical Emulsifier, Crop-Protection Emulsifier, Pesticide Wetting Agent, Agrochemical Adjuvant Surfactant, Oil-in-Water Emulsifier, Renewable Nonionic Surfactant, Castor Oil Polyoxyethylene Ether, BASF Agnique CSO-40, EC Formulation Emulsifier, EW Formulation Emulsifier, SE Formulation Emulsifier, OD Formulation Emulsifier
APPLICATIONS
Agnique CSO-40 is widely used as a nonionic emulsifier in agrochemical formulations.
Agnique CSO-40 is incorporated into crop-protection products to stabilize organic and aqueous phases.
Agnique CSO-40 is used to form consistent emulsions during concentrate manufacture and spray dilution.
Agnique CSO-40 is used in emulsifiable concentrate formulations.
Agnique CSO-40 helps emulsify pesticide-containing solvent phases after dilution with water.
Agnique CSO-40 supports stable and uniform pesticide emulsions in agricultural spray tanks.
Agnique CSO-40 is commonly combined with anionic emulsifiers in emulsifiable concentrates.
Agnique CSO-40 is paired with calcium alkylbenzene sulfonates to optimize emulsion performance.
Agnique CSO-40 helps balance hydrophilic and lipophilic properties in mixed surfactant systems.
Agnique CSO-40 is used in concentrated emulsion formulations.
Agnique CSO-40 helps stabilize pesticide-containing oil droplets dispersed in water.
Agnique CSO-40 supports resistance to creaming, coalescence, and phase separation.
Agnique CSO-40 is incorporated into oil-in-water emulsion products.
Agnique CSO-40 adsorbs at oil-water interfaces and reduces interfacial tension.
Agnique CSO-40 helps produce fine and relatively uniform emulsion droplets.
Agnique CSO-40 is used in suspo-emulsion formulations.
Agnique CSO-40 supports compatibility between suspended particles and emulsified liquid phases.
Agnique CSO-40 helps maintain physical stability in multicomponent pesticide products.
Agnique CSO-40 is incorporated into oil-dispersion formulations.
Agnique CSO-40 assists emulsification of the oil phase after dilution with water.
Agnique CSO-40 helps wet and distribute suspended active-ingredient particles.
Agnique CSO-40 is used in microemulsion development.
Agnique CSO-40 contributes nonionic surface activity in transparent or translucent systems.
Agnique CSO-40 is combined with suitable solvents, co-surfactants, and active ingredients.
Agnique CSO-40 is used in capsule-suspension formulations.
Agnique CSO-40 supports wetting and dispersion of pesticide microcapsules.
Agnique CSO-40 helps maintain uniform capsule distribution during storage and application.
Agnique CSO-40 is incorporated into suspension concentrates as a particle-wetting aid.
Agnique CSO-40 improves contact between water and hydrophobic active-ingredient surfaces.
Agnique CSO-40 supports dispersion when combined with suitable polymeric dispersants.
Agnique CSO-40 is used in wettable powder formulations.
Agnique CSO-40 helps water penetrate and wet hydrophobic pesticide powders.
Agnique CSO-40 supports rapid and uniform powder dispersion in spray water.
Agnique CSO-40 is incorporated into water-dispersible granules.
Agnique CSO-40 improves granule wetting after addition to water.
Agnique CSO-40 assists granule breakup and active-ingredient dispersion.
Agnique CSO-40 is used in herbicide formulations.
Agnique CSO-40 improves wetting and spreading of herbicide spray solutions.
Agnique CSO-40 supports uniform delivery of compatible active ingredients to target weeds.
Agnique CSO-40 is incorporated into systemic herbicide formulations.
Agnique CSO-40 may support foliar uptake of compatible active ingredients.
Agnique CSO-40 helps improve contact between aqueous droplets and waxy leaves.
Agnique CSO-40 is used in post-emergence herbicide products.
Agnique CSO-40 reduces beading on difficult-to-wet plant surfaces.
Agnique CSO-40 supports consistent spray deposition on grass and broadleaf weeds.
Agnique CSO-40 is used in fungicide formulations.
Agnique CSO-40 helps distribute fungicidal active ingredients over leaves and stems.
Agnique CSO-40 supports stable emulsions and uniform field application.
Agnique CSO-40 is incorporated into preventive fungicide products.
Agnique CSO-40 improves coverage before infection occurs.
Agnique CSO-40 helps reduce untreated areas on complex foliage.
Agnique CSO-40 is used in systemic fungicide formulations.
Agnique CSO-40 supports wetting and penetration of compatible active ingredients.
Agnique CSO-40 improves deposit uniformity across treated crop surfaces.
Agnique CSO-40 is used in insecticide formulations.
Agnique CSO-40 helps emulsify hydrophobic insecticidal ingredients.
Agnique CSO-40 supports uniform spray distribution and surface coverage.
Agnique CSO-40 is incorporated into contact insecticide products.
Agnique CSO-40 improves spreading over leaves and insect-harboring surfaces.
Agnique CSO-40 helps reduce droplet rebound from hydrophobic foliage.
Agnique CSO-40 is used in systemic insecticide formulations.
Agnique CSO-40 supports foliar wetting and uptake where technically appropriate.
Agnique CSO-40 helps maintain compatibility between active ingredients and formulation solvents.
Agnique CSO-40 is incorporated into acaricide formulations.
Agnique CSO-40 improves leaf-surface coverage where mites are present.
Agnique CSO-40 supports distribution of hydrophobic acaricidal compounds.
Agnique CSO-40 is used in plant-growth-regulator formulations.
Agnique CSO-40 improves wetting and uniform application on plant surfaces.
Agnique CSO-40 supports stable dilution of concentrated growth-regulator products.
Agnique CSO-40 is used in seed-treatment formulations.
Agnique CSO-40 helps distribute fungicides and insecticides over seed surfaces.
Agnique CSO-40 supports uniform coating and reduced formulation separation.
Agnique CSO-40 is incorporated into tank-mix adjuvants.
Agnique CSO-40 improves wetting, spreading, and emulsion stability.
Agnique CSO-40 supports consistent spray performance when used at appropriate concentrations.
Agnique CSO-40 is used to reduce surface tension in agricultural spray solutions.
Agnique CSO-40 allows droplets to spread across a larger target area.
Agnique CSO-40 helps overcome hydrophobic barriers on plant surfaces.
Agnique CSO-40 is used to improve spray coverage.
Agnique CSO-40 promotes more uniform distribution on irregular foliage.
Agnique CSO-40 supports contact with leaf margins, stems, veins, and growing points.
Agnique CSO-40 is used to improve spray retention.
Agnique CSO-40 helps reduce droplet bounce and runoff.
Agnique CSO-40 supports adhesion of pesticide deposits under suitable application conditions.
Agnique CSO-40 is used to enhance foliar wetting.
Agnique CSO-40 helps aqueous formulations contact waxy leaves.
Agnique CSO-40 supports delivery of compatible active ingredients to plant cuticles.
Agnique CSO-40 is used in cereal crop-protection products.
Agnique CSO-40 improves retention on narrow and upright leaves.
Agnique CSO-40 supports uniform deposition of herbicides, fungicides, and growth regulators.
Agnique CSO-40 is used in maize crop-protection formulations.
Agnique CSO-40 improves wetting of waxy maize foliage.
Agnique CSO-40 supports distribution of compatible herbicides and fungicides.
Agnique CSO-40 is used in soybean pesticide formulations.
Agnique CSO-40 promotes spreading across broad trifoliate leaves.
Agnique CSO-40 supports uniform application of systemic crop-protection products.
Agnique CSO-40 is used in canola and rapeseed applications.
Agnique CSO-40 improves wetting of naturally waxy oilseed foliage.
Agnique CSO-40 supports pesticide coverage and active-ingredient uptake.
Agnique CSO-40 is used in sunflower crop-protection products.
Agnique CSO-40 helps wet large and textured leaves.
Agnique CSO-40 supports even distribution of compatible active ingredients.
Agnique CSO-40 is used in cotton pesticide applications.
Agnique CSO-40 improves spray coverage of leaves, stems, and reproductive structures.
Agnique CSO-40 supports herbicide, insecticide, fungicide, and growth-regulator formulations.
Agnique CSO-40 is used in sugar-beet formulations.
Agnique CSO-40 promotes wetting of broad leaf surfaces.
Agnique CSO-40 supports uniform application of selective crop-protection products.
Agnique CSO-40 is used in potato fungicide and insecticide products.
Agnique CSO-40 improves coverage within dense foliage.
Agnique CSO-40 supports uniform deposition over upper and lower plant surfaces.
Agnique CSO-40 is used in vegetable crop-protection formulations.
Agnique CSO-40 helps wet irregular and complex plant canopies.
Agnique CSO-40 supports even placement of compatible pesticides.
Agnique CSO-40 is incorporated into orchard spray formulations.
Agnique CSO-40 improves wetting of leaves and fruit surfaces where permitted.
Agnique CSO-40 should be evaluated for crop safety and fruit-finish compatibility.
Agnique CSO-40 is used in vineyard pesticide formulations.
Agnique CSO-40 supports coverage of leaves, shoots, and grape clusters.
Agnique CSO-40 improves emulsion stability in compatible spray products.
Agnique CSO-40 is used in greenhouse crop-protection products.
Agnique CSO-40 supports wetting under controlled environmental conditions.
Agnique CSO-40 requires careful concentration selection to avoid crop injury.
Agnique CSO-40 is used in ornamental plant formulations.
Agnique CSO-40 improves wetting of waxy and complex leaf surfaces.
Agnique CSO-40 should be tested on sensitive varieties before broad application.
Agnique CSO-40 is used in turf-management formulations.
Agnique CSO-40 improves wetting of grass blades and thatch surfaces.
Agnique CSO-40 supports uniform distribution of fungicides, herbicides, and growth regulators.
Agnique CSO-40 is used in forestry herbicide formulations.
Agnique CSO-40 helps wet dense, mature, and woody vegetation.
Agnique CSO-40 supports delivery of compatible systemic active ingredients.
Agnique CSO-40 is used in pasture and rangeland weed-control formulations.
Agnique CSO-40 improves coverage of broadleaf and brush targets.
Agnique CSO-40 supports spray retention on coarse plant surfaces.
Agnique CSO-40 is used in roadside vegetation-management products.
Agnique CSO-40 improves wetting of mature and difficult-to-control weeds.
Agnique CSO-40 supports stable dilution of compatible systemic herbicides.
Agnique CSO-40 is used in professional pest-control formulations.
Agnique CSO-40 emulsifies hydrophobic insecticidal active ingredients.
Agnique CSO-40 supports preparation of water-dilutable concentrates.
Agnique CSO-40 is incorporated into public-health insecticide products.
Agnique CSO-40 helps stabilize emulsions containing pyrethroids and related ingredients.
Agnique CSO-40 supports uniform distribution during professional spraying.
Agnique CSO-40 is used in veterinary pest-control formulations.
Agnique CSO-40 helps emulsify ectoparasiticidal active substances.
Agnique CSO-40 supports homogeneous dilution of concentrated products.
Agnique CSO-40 is used in biocide formulations.
Agnique CSO-40 helps emulsify hydrophobic antimicrobial active ingredients.
Agnique CSO-40 supports stable industrial and institutional treatment products.
Agnique CSO-40 is incorporated into wood-preservation formulations.
Agnique CSO-40 helps disperse fungicidal and insecticidal ingredients.
Agnique CSO-40 supports penetration of treatment solutions into porous wood.
Agnique CSO-40 is used in industrial cleaning formulations.
Agnique CSO-40 improves wetting of oily and particulate soils.
Agnique CSO-40 helps emulsify grease during washing and rinsing.
Agnique CSO-40 is incorporated into heavy-duty degreasers.
Agnique CSO-40 supports removal of oils, lubricants, and process residues.
Agnique CSO-40 helps keep removed soils dispersed in cleaning solutions.
Agnique CSO-40 is used in metal-cleaning formulations.
Agnique CSO-40 improves contact between cleaning solutions and contaminated surfaces.
Agnique CSO-40 supports emulsification of machining oils and protective films.
Agnique CSO-40 is used in machinery and equipment cleaners.
Agnique CSO-40 helps remove grease and resinous contamination.
Agnique CSO-40 supports stable cleaning concentrates and rinseability.
Agnique CSO-40 is incorporated into hard-surface cleaners.
Agnique CSO-40 improves spreading over ceramic, metal, glass, and compatible polymer surfaces.
Agnique CSO-40 helps suspend oily dirt during cleaning.
Agnique CSO-40 is used in alkaline cleaning formulations.
Agnique CSO-40 provides nonionic surface activity in the presence of dissolved salts.
Agnique CSO-40 supports detergency across a range of water-hardness conditions.
Agnique CSO-40 is incorporated into acidic cleaning formulations after compatibility testing.
Agnique CSO-40 helps wet mineral deposits and contaminated surfaces.
Agnique CSO-40 stability should be verified at the intended acid concentration and temperature.
DESCRIPTION
Agnique CSO-40 is an ethoxylated castor oil nonionic surfactant.
Agnique CSO-40 is produced by reacting castor oil with approximately 40 moles of ethylene oxide.
Agnique CSO-40 contains a distribution of polyoxyethylene-modified castor oil molecules.
Agnique CSO-40 is based on naturally derived castor oil.
Agnique CSO-40 contains triglyceride-derived hydrophobic groups and hydrophilic polyoxyethylene chains.
Agnique CSO-40 therefore has affinity for both organic and aqueous phases.
Agnique CSO-40 is a commercial reaction product rather than a single pure molecular compound.
Agnique CSO-40 does not have one exact molecular formula or molecular weight.
Agnique CSO-40 composition varies within controlled specifications because of natural feedstock and ethoxylate distribution.
Agnique CSO-40 is generally supplied as a liquid or flowable surfactant material.
Agnique CSO-40 may appear clear, slightly hazy, pale yellow, or yellow depending on temperature and specification.
Agnique CSO-40 physical appearance may change reversibly during cool storage.
Agnique CSO-40 is a high-active surfactant grade with little or no added aqueous carrier.
Agnique CSO-40 can therefore be incorporated efficiently into concentrated formulations.
Agnique CSO-40 active-content specifications should be confirmed from the current technical data sheet.
Agnique CSO-40 contains approximately 40 moles of ethylene oxide per mole of castor oil.
Agnique CSO-40 is more hydrophilic than lower-ethoxylated Agnique CSO grades.
Agnique CSO-40 is useful where high aqueous compatibility and oil-in-water emulsification are required.
Agnique CSO-40 provides one of the more hydrophilic profiles within the Agnique CSO series.
Agnique CSO-40 can be blended with lower-ethoxylated castor oil grades to adjust emulsifier balance.
Agnique CSO-40 blend ratios should be optimized for the selected oil, solvent, and active ingredient.
Agnique CSO-40 is valued as a versatile renewable-content nonionic emulsifier.
Agnique CSO-40 combines castor-oil functionality with highly hydrophilic polyoxyethylene chains.
Agnique CSO-40 should always be processed according to current BASF technical, regulatory, and safety documentation.
PROPERTIES
Product Type: Ethoxylated castor oil surfactant
Chemical Family: Castor oil ethoxylates
Chemical Nature: Castor oil reacted with approximately 40 moles of ethylene oxide
Common Name: Agnique CSO-40
Alternative Designation: Polyoxyethylene 40 castor oil
Surfactant Type: Nonionic
Primary Function: General-purpose emulsifier
Additional Functions: Wetting agent, dispersing aid, solubilizer, compatibilizer, and agrochemical adjuvant
Raw Material Basis: Naturally derived castor oil and ethylene oxide
Product Form: Liquid or flowable surfactant material
Appearance: Clear to slightly hazy, pale-yellow to yellow material
Odor: Mild characteristic odor
Active Content: High-active commercial surfactant; refer to the current BASF specification
CAS Number: 61791-12-6
EC Number: Refer to the current regional safety data sheet
Molecular Formula: Variable
Molecular Weight: Variable
Degree of Ethoxylation: Approximately 40 EO
Relative Hydrophilicity: Higher than lower-ethoxylated Agnique CSO grades
Cloud Point: Approximately 74°C under the specified BASF test method
Viscosity: Approximately 120 mPa·s at 60°C
Density: Product-specific; refer to the current BASF technical data sheet
Water Solubility: Soluble or readily dispersible, depending on temperature and concentration
Organic Phase Compatibility: Compatible with many oils, solvents, esters, and hydrophobic formulation ingredients
Ionic Character: Nonionic
Surface Activity: Reduces surface and interfacial tension
Emulsion Type: Primarily oil-in-water
Foaming Tendency: Moderate and formulation-dependent
Primary Industry: Agrochemical formulations
Primary Formulation Types: EC, EW, SE, and OD
Additional Formulation Types: SC, CS, WP, WDG, cleaning products, coatings, inks, adhesives, and metalworking fluids
Typical Co-Emulsifier: Calcium dodecylbenzene sulfonate or another compatible anionic emulsifier
Compatible Stabilizing Partner: Selected EO-PO block-copolymer emulsifiers
Flash Point: Refer to the current regional safety data sheet
Pour Point: Product-specific; refer to the current BASF technical data sheet
Hydroxyl Value: Refer to the current BASF product specification
Water Content: Refer to the current BASF product specification
pH: Refer to the specified test solution in the current technical data sheet
Renewable Content: Contains a substantial naturally derived castor-oil fraction
Stability: Stable under recommended handling and storage conditions
Incompatible Materials: Strong oxidizing agents and highly reactive chemicals
Storage Temperature: Refer to the current BASF technical data sheet
FIRST AID
Inhalation:
Move the affected person to fresh air.
Keep the person calm and comfortable for breathing.
Seek medical attention if coughing, irritation, headache, or respiratory discomfort develops.
Skin Contact:
Remove contaminated clothing and footwear.
Wash the affected skin thoroughly with soap and plenty of water.
Seek medical advice if redness, irritation, swelling, or discomfort persists.
Eye Contact:
Rinse cautiously with clean running water for at least 15 minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Obtain medical attention if pain, redness, tearing, or visual disturbance continues.
Ingestion:
Rinse the mouth thoroughly with water.
Do not induce vomiting unless instructed by qualified medical personnel.
Contact a physician or poison center if a significant amount has been swallowed or symptoms develop.
Note to Physicians:
Treat symptomatically and provide appropriate supportive care.
No universal specific antidote is normally available for an ethoxylated castor oil surfactant.
Consider the exposure route, quantity, symptoms, and current product-specific safety data sheet.
HANDLING AND STORAGE
Handling:
Use suitable chemical-resistant gloves, protective clothing, and chemical safety goggles.
Avoid direct contact with the skin, eyes, and clothing.
Avoid breathing vapors, aerosols, and mists during transfer or formulation.
Do not eat, drink, or smoke in areas where Agnique CSO-40 is handled.
Wash hands and exposed skin thoroughly after use.
Ventilation:
Provide adequate general ventilation in storage and processing areas.
Use local exhaust ventilation where aerosols or mists may be generated.
Keep airborne exposure below applicable occupational limits.
Use suitable respiratory protection when engineering controls are insufficient.
Prevent accumulation of mist in enclosed or poorly ventilated spaces.
Storage:
Store Agnique CSO-40 in its tightly closed original container.
Keep the product in a cool, dry, and well-ventilated location.
Protect Agnique CSO-40 from direct sunlight, excessive heat, freezing, moisture, and contamination.
Store the product away from strong oxidizing agents and incompatible reactive chemicals.
Reseal partly used containers immediately after dispensing.
Spill and Leak Procedures:
Restrict access and ventilate the affected area.
Wear suitable protective equipment before approaching the spill.
Contain the material with sand, earth, vermiculite, or another compatible non-combustible absorbent.
Collect recovered product in a closed and correctly labeled container.
Prevent Agnique CSO-40 from entering drains, sewers, soil, groundwater, or natural waterways.
Handling Precautions:
Review the latest BASF regional safety data sheet before receiving, transferring, blending, or using Agnique CSO-40.
Ensure that eyewash stations and emergency washing facilities are readily accessible.
Use clean, dry, and chemically compatible pumps, hoses, tanks, and measuring equipment.
Warm and homogenize cold, cloudy, or thickened product only within manufacturer-approved conditions.
Dispose of unused product, contaminated absorbents, process residues, and packaging according to applicable regulations.
