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Oleyl Polyoxyethylene Ether

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Oleyl Polyoxyethylene Ether is a nonionic surfactant derived from the ethoxylation of oleyl alcohol, a monounsaturated fatty alcohol. This compound is characterized by its excellent emulsifying, wetting, and dispersing properties, making it widely used in various industrial and consumer applications.

Chemical Properties

Oleyl Polyoxyethylene Ether is composed of an oleyl alcohol residue and a polyethylene glycol chain with varying numbers of ethylene oxide units. The general formula can be represented as (C₂H₄O)ₓC₁₈H₃₆O, where x denotes the number of ethylene oxide units. Common variants include:

– Polyoxyethylene(10) Oleyl Ether: Average molecular weight of approximately 709.

– Polyoxyethylene(20) Oleyl Ether: Average molecular weight of approximately 1150.

The compound is typically a colorless to off-white solid at room temperature (<25°C) and becomes a liquid above 30°C. It is soluble in organic solvents like ethanol and ether but is practically insoluble in water.

Applications

Oleyl Polyoxyethylene Ether is used in a variety of applications due to its surfactant properties:

1. Personal Care Products: It serves as an emulsifier, emollient, and thickener in creams, lotions, shampoos, and hair conditioners.

2. Pharmaceuticals: It is used as a solubilizer to improve the solubility and bioavailability of poorly soluble drugs.

3. Industrial Applications: It is used in the formulation of detergents, cleaning agents, and as a dispersant in various industrial processes.

Preparation and Raw Materials

Oleyl alcohol, the precursor to Oleyl Polyoxyethylene Ether, is typically obtained from natural sources such as beef fat, fish oil, or olive oil. It can also be synthesized through the hydrogenation of oleic acid esters using the Bouveault–Blanc reduction method. The ethoxylation process involves reacting oleyl alcohol with ethylene oxide under controlled conditions to produce the desired surfactant.

Safety and Environmental Considerations

Oleyl Polyoxyethylene Ether is considered biodegradable and has low toxicity, making it an environmentally friendly choice for various applications. However, it is flammable and should be stored away from strong acids and oxidizers. It is also recommended to store the compound in a sealed container at 4°C to maintain its stability.

Conclusion

Oleyl Polyoxyethylene Ether is a versatile nonionic surfactant with a wide range of applications in personal care, pharmaceuticals, and industrial processes. Its unique chemical properties, such as emulsifying and solubilizing capabilities, make it a valuable ingredient in various formulations. Proper handling and storage are essential to ensure its effectiveness and safety in use.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.

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