POLYOXYL 40 CASTOR OIL

Polyoxyl 40 castor oil is a nonionic surfactant and solubilizing agent obtained by ethoxylation of castor oil with approximately 40 moles of ethylene oxide.
Polyoxyl 40 castor oil is widely used in pharmaceutical, cosmetic, personal care, and industrial formulations for solubilizing lipophilic substances in aqueous systems.
Polyoxyl 40 castor oil is known for its excellent emulsifying capacity, good compatibility, and ability to form clear or slightly opalescent solutions.

CAS Number: 61791-12-6
EC Number: 500-015-7
Molecular Formula: Complex mixture based on castor oil triglycerides with polyoxyethylene chains
Molecular Weight: ~2500–3000 g/mol (average, ethoxylation dependent)

Synonyms: Polyoxyl 40 Castor Oil, PEG-40 Castor Oil, Polyoxyethylene (40) Castor Oil, Ethoxylated Castor Oil 40 EO, Nonionic Solubilizer, Polyoxyl 40 Castor Oil, PEG-40 Castor Oil, Polyethylene Glycol 40 Castor Oil, Ethoxylated Castor Oil 40 EO, PEG Castor Oil 40, PEG-40 Hydrogenated Castor Oil (common trade usage), Polyoxyethylene (40) Castor Oil, Castor Oil Ethoxylate 40 EO, Castor Oil PEG-40, PEGylated Castor Oil 40, Nonionic Surfactant PEG-40 Castor Oil, PEG-40 Castor Oil Solubilizer, PEG-40 Castor Oil Emulsifier, PEG-40 Castor Oil Dispersant, PEG-40 Castor Oil Surfactant, PEG-40 Castor Oil Wetting Agent, PEG-40 Castor Oil Solubilizing Agent, PEG-40 Castor Oil Emulsion Stabilizer, PEG-40 Castor Oil Detergent Additive, PEG-40 Castor Oil Cleansing Agent, PEG-40 Castor Oil Foam Booster, PEG-40 Castor Oil Foam Stabilizer, PEG-40 Castor Oil Mild Surfactant, PEG-40 Castor Oil Cosmetic Ingredient, PEG-40 Castor Oil Personal Care Ingredient, PEG-40 Castor Oil Shampoo Ingredient, PEG-40 Castor Oil Body Wash Ingredient, PEG-40 Castor Oil Facial Cleanser Ingredient, PEG-40 Castor Oil Hair Care Additive, PEG-40 Castor Oil Skin Care Additive, PEG-40 Castor Oil Fragrance Solubilizer, PEG-40 Castor Oil Essential Oil Solubilizer, PEG-40 Castor Oil Perfume Solubilizer, PEG-40 Castor Oil Flavor Solubilizer, PEG-40 Castor Oil Pharmaceutical Excipient, PEG-40 Castor Oil Drug Solubilizer, PEG-40 Castor Oil Oral Formulation Excipient, PEG-40 Castor Oil Topical Excipient, PEG-40 Castor Oil Food Grade (where permitted), PEG-40 Castor Oil Industrial Grade, PEG-40 Castor Oil Technical Grade, PEG-40 Castor Oil High Purity, PEG-40 Castor Oil Aqueous Surfactant, PEG-40 Castor Oil Clear Liquid, PEG-40 Castor Oil Viscous Liquid, PEG-40 Castor Oil Nonionic Emulsifier System, PEG-40 Castor Oil Formulation Aid, PEG-40 Castor Oil Processing Aid, PEG-40 Castor Oil Functional Additive, PEG-40 Castor Oil Specialty Chemical, PEG-40 Castor Oil Fine Chemical, PEG-40 Castor Oil Chemical Raw Material, Polyoxylated Castor Oil 40, Polyethoxylated Castor Oil 40, Castor Oil Polyoxyl 40

APPLICATIONS

Polyoxyl 40 castor oil is used in pharmaceutical formulations.
Polyoxyl 40 castor oil solubilizes poorly water-soluble active pharmaceutical ingredients.
Polyoxyl 40 castor oil improves bioavailability in oral and injectable products.

Polyoxyl 40 castor oil is applied in cosmetic and personal care products.
Polyoxyl 40 castor oil solubilizes fragrances, essential oils, and vitamins.
Polyoxyl 40 castor oil enables clear shampoos, toners, and cleansing solutions.

Polyoxyl 40 castor oil is used in skin care formulations.
Polyoxyl 40 castor oil acts as an emulsifier in lotions and serums.
Polyoxyl 40 castor oil improves texture and product stability.

Polyoxyl 40 castor oil is incorporated into perfumes and fragrance bases.
Polyoxyl 40 castor oil allows formation of transparent fragrance concentrates.
Polyoxyl 40 castor oil stabilizes oil components in water-based systems.

Polyoxyl 40 castor oil is used in industrial and household cleaners.
Polyoxyl 40 castor oil solubilizes oily residues and soils.
Polyoxyl 40 castor oil enhances cleaning efficiency and formulation clarity.

Polyoxyl 40 castor oil is used in agrochemical formulations.
Polyoxyl 40 castor oil improves dispersion of hydrophobic actives.
Polyoxyl 40 castor oil enhances formulation uniformity and performance.

Polyoxyl 40 Castor Oil is used as a solubilizer in pharmaceutical formulations.
Polyoxyl 40 Castor Oil improves solubility of poorly water-soluble active ingredients.
Polyoxyl 40 Castor Oil supports uniform distribution of drugs in liquid dosage forms.

Polyoxyl 40 Castor Oil is used in injectable pharmaceutical formulations.
Polyoxyl 40 Castor Oil enhances stability of injectable solutions.
Polyoxyl 40 Castor Oil improves bioavailability of lipophilic drugs.

Polyoxyl 40 Castor Oil is used in oral liquid medicines.
Polyoxyl 40 Castor Oil facilitates emulsification of oil-based actives.
Polyoxyl 40 Castor Oil improves clarity of oral solutions.

Polyoxyl 40 Castor Oil is used in topical pharmaceutical products.
Polyoxyl 40 Castor Oil enhances penetration of active ingredients through the skin.
Polyoxyl 40 Castor Oil improves consistency of topical formulations.

Polyoxyl 40 Castor Oil is used in cosmetic emulsions.
Polyoxyl 40 Castor Oil stabilizes oil-in-water emulsions.
Polyoxyl 40 Castor Oil improves texture and spreadability of creams.

Polyoxyl 40 Castor Oil is used in skin care products.
Polyoxyl 40 Castor Oil enhances solubilization of fragrances and essential oils.
Polyoxyl 40 Castor Oil improves sensory feel on skin.

Polyoxyl 40 Castor Oil is used in hair care formulations.
Polyoxyl 40 Castor Oil solubilizes conditioning oils in shampoos.
Polyoxyl 40 Castor Oil improves clarity of surfactant-based products.

Polyoxyl 40 Castor Oil is used in perfumes and colognes.
Polyoxyl 40 Castor Oil ensures clear solutions with fragrance oils.
Polyoxyl 40 Castor Oil improves stability of fragrance formulations.

Polyoxyl 40 Castor Oil is used in micellar water formulations.
Polyoxyl 40 Castor Oil solubilizes makeup residues in aqueous systems.

Polyoxyl 40 Castor Oil is used in facial cleansing oils converted to rinsable formats.
Polyoxyl 40 Castor Oil enables oil-to-milk transformation upon contact with water.

Polyoxyl 40 Castor Oil is used in makeup remover formulations.
Polyoxyl 40 Castor Oil improves removal of waterproof cosmetics.

Polyoxyl 40 Castor Oil is used in eye makeup removers.
Polyoxyl 40 Castor Oil provides gentle cleansing suitable for the eye area.

Polyoxyl 40 Castor Oil is used in transparent shower gels.
Polyoxyl 40 Castor Oil maintains clarity in high-fragrance formulations.

Polyoxyl 40 Castor Oil is used in clear shampoos.
Polyoxyl 40 Castor Oil solubilizes fragrance oils without clouding.

Polyoxyl 40 Castor Oil is used in liquid hand soaps.
Polyoxyl 40 Castor Oil improves fragrance stability in surfactant systems.

Polyoxyl 40 Castor Oil is used in aromatherapy products.
Polyoxyl 40 Castor Oil disperses essential oils evenly in water-based products.

Polyoxyl 40 Castor Oil is used in room sprays.
Polyoxyl 40 Castor Oil enables clear fragrance solutions.

Polyoxyl 40 Castor Oil is used in air freshener concentrates.
Polyoxyl 40 Castor Oil improves solubilization of high-load fragrance oils.

Polyoxyl 40 Castor Oil is used in fabric refresh sprays.
Polyoxyl 40 Castor Oil ensures even fragrance distribution on textiles.

Polyoxyl 40 Castor Oil is used in oral care formulations.
Polyoxyl 40 Castor Oil solubilizes flavor oils in mouthwash products.

Polyoxyl 40 Castor Oil is used in toothpaste formulations.
Polyoxyl 40 Castor Oil improves dispersion of essential oils.

Polyoxyl 40 Castor Oil is used in sprayable skin care products.
Polyoxyl 40 Castor Oil enhances uniform delivery of active ingredients.

Polyoxyl 40 Castor Oil is used in sunscreen sprays.
Polyoxyl 40 Castor Oil improves dispersion of UV filters.

Polyoxyl 40 Castor Oil is used in aftershave lotions.
Polyoxyl 40 Castor Oil improves solubility of fragrance components.

Polyoxyl 40 Castor Oil is used in men’s grooming sprays.
Polyoxyl 40 Castor Oil enhances clarity and stability of formulations.

Polyoxyl 40 Castor Oil is used in scalp treatment products.
Polyoxyl 40 Castor Oil improves delivery of oil-soluble actives.

Polyoxyl 40 Castor Oil is used in veterinary grooming products.
Polyoxyl 40 Castor Oil supports gentle cleansing of animal coats.

Polyoxyl 40 Castor Oil is used in flea and tick shampoo formulations.
Polyoxyl 40 Castor Oil improves dispersion of active ingredients.

Polyoxyl 40 Castor Oil is used in nutraceutical drink concentrates.
Polyoxyl 40 Castor Oil enhances solubility of lipid-based nutrients.

Polyoxyl 40 Castor Oil is used in beverage flavor emulsions.
Polyoxyl 40 Castor Oil stabilizes oil-in-water flavor systems.

Polyoxyl 40 Castor Oil is used in laboratory reagent preparations.
Polyoxyl 40 Castor Oil supports solubilization of hydrophobic compounds.

Polyoxyl 40 Castor Oil is used in cosmetic active delivery systems.
Polyoxyl 40 Castor Oil improves uniformity and reproducibility of formulations.

Polyoxyl 40 Castor Oil is used in bath and shower products.
Polyoxyl 40 Castor Oil disperses oils evenly in aqueous systems.
Polyoxyl 40 Castor Oil improves mildness of cleansing formulations.

Polyoxyl 40 Castor Oil is used in food flavor emulsions.
Polyoxyl 40 Castor Oil supports uniform dispersion of flavor oils.
Polyoxyl 40 Castor Oil improves stability of beverage emulsions.

Polyoxyl 40 Castor Oil is used in nutraceutical formulations.
Polyoxyl 40 Castor Oil enhances delivery of fat-soluble vitamins.
Polyoxyl 40 Castor Oil improves homogeneity of liquid supplements.

Polyoxyl 40 Castor Oil is used in veterinary pharmaceutical products.
Polyoxyl 40 Castor Oil supports solubilization of veterinary actives.
Polyoxyl 40 Castor Oil improves dosing accuracy in liquid formulations.

DESCRIPTION

Polyoxyl 40 castor oil is a viscous liquid or semi-solid material at room temperature.
Polyoxyl 40 castor oil is pale yellow to amber in color with a mild characteristic odor.
Polyoxyl 40 castor oil is derived from natural castor oil through controlled ethoxylation.

Polyoxyl 40 castor oil is nonionic and exhibits excellent compatibility with anionic, cationic, and amphoteric surfactants.
Polyoxyl 40 castor oil disperses easily in water under gentle agitation.
Polyoxyl 40 castor oil forms stable micelles capable of entrapping lipophilic materials.

Polyoxyl 40 castor oil improves clarity and stability of aqueous formulations.
Polyoxyl 40 castor oil provides mildness and reduced irritation compared to many ionic surfactants.
Polyoxyl 40 castor oil maintains performance across a wide pH range.

Polyoxyl 40 castor oil is chemically stable under normal storage and processing conditions.
Polyoxyl 40 castor oil resists hydrolysis in neutral and mildly acidic systems.
Polyoxyl 40 castor oil should be protected from strong oxidizing environments.

Polyoxyl 40 Castor Oil is a nonionic surfactant derived from castor oil and ethylene oxide.
Polyoxyl 40 Castor Oil is also known as PEG-40 Hydrogenated Castor Oil.
Polyoxyl 40 Castor Oil appears as a viscous, pale yellow liquid or semi-solid.

Polyoxyl 40 Castor Oil is soluble in water and many organic solvents.
Polyoxyl 40 Castor Oil exhibits excellent emulsifying and solubilizing properties.
Polyoxyl 40 Castor Oil has a relatively high hydrophilic-lipophilic balance value.

Polyoxyl 40 Castor Oil is compatible with a wide range of cosmetic and pharmaceutical ingredients.
Polyoxyl 40 Castor Oil is stable over a broad pH range.
Polyoxyl 40 Castor Oil performs well in both hot and cold processing.

Polyoxyl 40 Castor Oil is widely used in clear and transparent formulations.
Polyoxyl 40 Castor Oil improves formulation stability and appearance.
Polyoxyl 40 Castor Oil is considered a mild and skin-friendly surfactant.

Polyoxyl 40 Castor Oil should be stored in tightly closed containers.
Polyoxyl 40 Castor Oil should be protected from extreme temperatures.
Polyoxyl 40 Castor Oil is valued for its versatility, efficiency, and formulation flexibility.

PROPERTIES

Chemical Nature: Nonionic ethoxylated triglyceride surfactant
Appearance: Pale yellow to amber viscous liquid or semi-solid
Odor: Mild characteristic odor
Density: ~1.05–1.10 g/cm³ at 25°C
Melting Point: ~25–35°C (approximate, grade dependent)
Boiling Point: Not applicable; decomposes before boiling
HLB Value: ~13–15
Solubility in Water: Dispersible to soluble; forms clear to slightly opalescent solutions
Solubility in Oils: Soluble in many vegetable oils, esters, and fragrance oils
pH Stability Range: ~4–9
Cloud Point: ~50–70°C (1% aqueous solution, approximate)
Viscosity: High at room temperature
Ionic Character: Nonionic
Thermal Stability: Stable under typical cosmetic and pharmaceutical processing temperatures
Biodegradability: Partially biodegradable
Storage Temperature: Store below 30°C in tightly closed containers

FIRST AID

Inhalation:
Move to fresh air if mist is inhaled.
Seek medical attention if symptoms persist.

Skin Contact:
Wash with soap and water.
Generally non-irritating under normal handling conditions.

Eye Contact:
Rinse eyes with plenty of water for several minutes.
Seek medical advice if irritation continues.

Ingestion:
Rinse mouth and drink water.
Seek medical advice if large quantities are ingested.

Note to Physicians:
Treat symptomatically; low acute toxicity expected.

HANDLING AND STORAGE

Handling:
Avoid prolonged contact with eyes and skin.
Use gloves and eye protection during industrial handling.
Ensure adequate ventilation in processing areas.

Avoidance:
Avoid strong oxidizing agents.
Avoid excessive heating above recommended temperatures.

Spill Procedures:
Absorb with inert material and clean thoroughly.
Dispose of waste according to local regulations.

Storage:
Store in tightly closed containers.
Keep in a cool, dry, well-ventilated area.
Protect from heat, light, and moisture.