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PEG-36 Hydrogenated castor oil is a waxy compound obtained by the hydrogenation of refined castor oil.
PEG-36 Hydrogenated castor oil is a hard product with a high melting point.
PEG-36 Hydrogenated castor oil is almost odourless and tasteless.
CAS Number: 8001-78-3
EINECS Number: 232-292-2
Synonyms: Castor oil, hydrogenated, ethoxylated, 500-147-5, 613-097-5, RefChem:574848, castor oil, hydrogenated & ethoxylated, 61788-85-0, OPAL WAX;PEG 60;PEG 40;CASTOR OIL HYDROGENATED;CASTOR WAX;CELLO-GREASE LUBRICANT;CELLO-SEAL LUBRICANT;HYDROGENATED CASTOR OIL
PEG-36 Hydrogenated castor oil is supplied in flakes and powder.
PEG-36 Hydrogenated castor oil is cream to white coloured.
PEG-36 Hydrogenated castor oil is an example of surface-active compounds called surfactants.
PEG-36 Hydrogenated castor oil exhibits very good emulsifying, solubilising and stabilising properties.
PEG-36 Hydrogenated castor oil is readily used as an ingredient in ointments, tablets, capsules and other products in the pharmaceutical industry.
PEG-36 Hydrogenated castor oil meets strict quality requirements specified in the most recent edition of the European Pharmacopoeia.
PEG-36 Hydrogenated castor oil is a nonionic surfactant and solubilizer, widely used as an emulsifier, dispersing agent, and solubilizing agent in cosmetic, pharmaceutical, and industrial formulations.
It is derived from hydrogenated castor oil reacted with ethylene oxide.
PEG-36 Hydrogenated castor oil belongs to the class of ethoxylated fatty acid derivatives.
PEG-36 Hydrogenated castor oil consists of hydrogenated castor oil (saturated fatty chains) with approximately 36 ethylene oxide (PEG) units attached.
The hydrophobic fatty portion and hydrophilic polyethylene glycol chains give it amphiphilic character.
This enables interaction with both water and oils.
PEG-36 Hydrogenated castor oil appears as a yellowish to amber viscous liquid or semi-solid.
It is soluble or dispersible in water and compatible with many solvents.
PEG-36 Hydrogenated castor oil has a mild characteristic odor.
PEG-36 Hydrogenated castor oil exhibits excellent solubilizing properties, especially for fragrances, essential oils, and lipophilic actives in aqueous systems.
It helps create clear or stable solutions.
This is important in personal-care formulations.
PEG-36 Hydrogenated castor oil functions as a nonionic emulsifier, stabilizing oil–water mixtures.
It reduces surface tension and forms stable emulsions.
This improves formulation consistency.
PEG-36 Hydrogenated Castor Oil also provides wetting and dispersing effects.
PEG-36 Hydrogenated castor oil helps distribute ingredients evenly.
This enhances product performance.
PEG-36 Hydrogenated castor oil is stable over a wide pH range and tolerant to electrolytes, due to its nonionic nature.
It performs consistently in different environments.
PEG-36 Hydrogenated castor oil is best described as a highly effective nonionic surfactant and solubilizer used for emulsification, dispersion, and stabilization, especially in cosmetic and pharmaceutical systems.
PEG-40 hydrogenated castor oil is a combination of polyethylene glycol and hydrogenated castor oil.
PEG-36 Hydrogenated castor oil is naturally occurring oil extracted from castor beans from plant Ricinus communis.
PEG-36 Hydrogenated castor oil is a colorless to pale yellow liquid with a distinct taste and odor.
PEG-36 Hydrogenated castor oil is rich in triglycerides and fatty acids like oleic acid, ricinoleic acid, and linoleic acid.
PEG-36 Hydrogenated castor oil is used in many cosmetic products. A combination of both PEG-40 and castor oil makes it contain the benefits of both the molecules in a single molecule.
PEG-36 Hydrogenated Castor Oil is a highly ethoxylated surfactant, meaning it contains a large number of ethylene oxide units.
This gives it strong hydrophilicity.
PEG-36 Hydrogenated castor oil is highly effective in water-based systems.
The hydrogenation of castor oil results in saturated fatty chains, which improves oxidative stability.
PEG-36 Hydrogenated castor oil is less prone to rancidity compared to non-hydrogenated forms.
This enhances shelf life.
PEG-36 Hydrogenated castor oil typically exhibits a high hydrophilic–lipophilic balance (HLB).
This makes it suitable for oil-in-water (O/W) emulsions.
PEG-36 Hydrogenated castor oil is often used in clear or transparent formulations.
Density: 0.97 g/cm³ at 20℃
vapor pressure: 0 Pa at 20℃
solubility: Practically insoluble in water; soluble in acetone, chloroform, and methylene chloride
form: Powder
Dielectric constant: 10.3 (27℃)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents
Major Application: pharmaceutical
Cosmetics Ingredients Functions: VISCOSITY CONTROLLING; SKIN CONDITIONING - EMOLLIENT; SURFACTANT - CLEANSING; SURFACTANT - EMULSIFYING; SKIN CONDITIONING
Cosmetic Ingredient Review (CIR): Hydrogenated castor oil (8001-78-3)
LogP: 18.75
PEG-36 Hydrogenated castor oil occurs as a fine, almost white or pale yellow powder or flakes.
The PhEur 6.0 describes hydrogenated castor oil as the oil obtained by hydrogenation of virgin castor oil.
PEG-36 Hydrogenated castor oil consists mainly of the triglyceride of 12-hydroxystearic acid.
PEG-36 Hydrogenated castor oil is a hard, white, opaque vegetable wax.
Its resistance to moisture makes it useful in many coatings, greases, cosmetics, polishes and similar applications.
The wax is created by hydrogenating pure liquid castor oil, which is obtained from castor beans.
PEG-36 Hydrogenated castor oil is heated under extreme pressure using a nickel catalyst during the hydrogenation process.
Afterward, the hydrogen creates saturated molecules of castor wax, which gives the oil a higher melting point that allows it to remain solid at room temperature.
After hydrogenation, the oil becomes hard and brittle to the touch.
PEG-36 Hydrogenated castor oil is a hard wax with a high melting point used in oral and topical pharmaceutical formulations.
In topical formulations, hydrogenated castor oil is used to provide stiffness to creams and emulsions.
In oral formulations, hydrogenated castor oil is used to prepare sustained-release tablet and capsule preparations; the hydrogenated castor oil may be used as a coat or to form a solid matrix.
PEG-36 Hydrogenated castor oil is additionally used to lubricate the die walls of tablet presses; and is similarly used as a lubricant in food processing.
PEG-36 Hydrogenated castor oil is also used in cosmetics.
PEG-36 Hydrogenated castor oil can form micelles in aqueous solutions, enabling solubilization of hydrophobic substances.
This allows incorporation of oils into water-based systems.
PEG-36 Hydrogenated castor oil is important for clarity and stability.
It shows excellent compatibility with a wide range of ingredients, including ionic and nonionic surfactants.
PEG-36 Hydrogenated castor oil works well in complex formulations.
This increases formulation flexibility.
PEG-36 Hydrogenated castor oil contributes to improved clarity and transparency in formulations.
PEG-36 Hydrogenated castor oil is commonly used in clear gels and solutions.
This enhances product aesthetics.
PEG-36 Hydrogenated castor oil may also influence viscosity and texture, depending on concentration.
It can slightly thicken or stabilize systems.
This supports formulation control.
Because of its PEG structure, it may contain trace impurities (e.g., residual ethylene oxide or 1,4-dioxane) if not properly purified.
High-quality grades minimize these impurities.
This is an important safety consideration.
PEG-36 Hydrogenated castor oil is a highly hydrophilic, stable, and versatile nonionic surfactant, valued for its strong solubilizing power, compatibility, and ability to produce clear, stable formulations.
Uses Of PEG-36 Hydrogenated castor oil:
PEG-36 Hydrogenated castor oil in base oil to make multipurpose greases having higher dropping points, hardness, better rust-proofing, lubricity and durability than stearates.
Other lubricants: metal drawing lubes, PVC lubricants for PVC pipes, profiles, sheets, pharma tabletting, metal powders, ceramics.
PEG-36 Hydrogenated castor oil is widely used as a solubilizer in cosmetic and personal-care products.
PEG-36 Hydrogenated castor oil helps dissolve fragrances, essential oils, and lipophilic actives in water-based systems.
This enables clear and stable formulations.
In shampoos, body washes, and facial cleansers, it acts as a co-surfactant and solubilizing agent.
PEG-36 Hydrogenated castor oil improves dispersion of oils and enhances foam stability.
This improves product performance.
PEG-36 Hydrogenated castor oil is used in micellar waters and cleansing solutions to incorporate oils into aqueous systems.
PEG-36 Hydrogenated castor oil helps remove makeup and impurities gently.
This supports effective cleansing.
In creams, lotions, and emulsions, it functions as a nonionic emulsifier.
PEG-36 Hydrogenated castor oil stabilizes oil–water mixtures.
This improves texture and consistency.
PEG-36 Hydrogenated Castor Oil is applied in perfumes and fragrance products to solubilize aromatic compounds.
PEG-36 Hydrogenated castor oil ensures uniform distribution in liquid systems.
This enhances clarity and stability.
In pharmaceutical formulations, it is used as a solubilizer for poorly water-soluble drugs.
PEG-36 Hydrogenated castor oil improves bioavailability and stability.
This supports drug delivery systems.
PEG-36 Hydrogenated castor oil is used in toners, serums, and clear gels to maintain transparency while incorporating active ingredients.
PEG-36 Hydrogenated castor oil helps form clear solutions.
This improves product aesthetics.
In industrial and cleaning formulations, it acts as a wetting and dispersing agent.
PEG-36 Hydrogenated castor oil helps remove oils and contaminants.
This enhances cleaning efficiency.
PEG-36 Hydrogenated castor oil is also applied in hair-care products, such as conditioners and styling products, to improve distribution of active ingredients.
PEG-36 Hydrogenated castor oil enhances conditioning effects.
This improves product performance.
PEG-36 Hydrogenated castor oil is used wherever solubilization, emulsification, dispersion, and clarity in aqueous systems are required, especially in cosmetics, pharmaceuticals, and cleaning formulations.
Safety Profile Of PEG-36 Hydrogenated castor oil:
Hydrogenated castor oil is used in oral and topical pharmaceutical formulations and is generally regarded as an essentially nontoxic and nonirritant material.
Acute oral toxicity studies in animals have shown that hydrogenated castor oil is a relatively nontoxic material.
Irritation tests with rabbits show that hydrogenated castor oil causes mild, transient irritation to the eye.
PEG-36 Hydrogenated Castor Oil is generally considered to have low hazard potential, especially compared to many ionic surfactants, but safety depends on purity and concentration.
PEG-36 Hydrogenated castor oil is widely used in cosmetic and pharmaceutical formulations.
Standard handling precautions are recommended.
Skin contact is typically low risk, but prolonged exposure to concentrated material may cause mild irritation in sensitive individuals.
Symptoms may include slight redness or dryness.
Protective gloves are recommended in industrial handling.
Eye contact may cause mild to moderate irritation.
Symptoms include redness, watering, and discomfort.
Eyes should be rinsed thoroughly with water if exposure occurs.
Inhalation risk is generally low, as it is a viscous liquid or semi-solid.
However, aerosols or mists may cause mild respiratory irritation.
Adequate ventilation is recommended.
Ingestion is considered low toxicity, but large amounts may cause gastrointestinal discomfort.
It is not intended for oral consumption unless in approved pharmaceutical formulations.
Medical advice should be sought if necessary.
PEG-36 Hydrogenated Castor Oil is not highly flammable, but it can burn under high temperatures.
Thermal decomposition may produce carbon oxides and irritating fumes.
Standard fire safety precautions should be followed.
The compound is chemically stable under normal conditions, but should be stored in tightly closed containers away from strong oxidizing agents.
Proper storage ensures product quality.
PEG-36 Hydrogenated castor oil should be protected from contamination.
Because PEG-36 Hydrogenated castor oil is an ethoxylated compound, it may contain trace impurities (e.g., 1,4-dioxane or residual ethylene oxide) if not properly purified.
High-quality grades minimize these risks.
This is an important safety consideration.
