Oleyl alcohol

Oleyl-alcohol-spacefilling

Oleyl alcohol Structural Formula V1

Oleyl Alcohol is a fatty alcohol derived from natural or synthetic sources. It is a monounsaturated omega-9 fatty acid with the chemical formula C_18H_36O. Oleyl alcohol is primarily used in the production of surfactants, cosmetics, and pharmaceuticals, owing to its emollient and moisturizing properties.

Properties

Oleyl alcohol is a colorless, odorless liquid at room temperature. It is insoluble in water but has good solubility in most organic solvents. This alcohol exhibits excellent emollient properties, making it a popular ingredient in the formulation of skin and hair care products. It acts as a lubricant on the skin surface, which gives the skin a soft and smooth appearance.

Production

Oleyl alcohol can be obtained from both natural and synthetic sources. Naturally, it is derived from the oleic acid found in various animal and vegetable fats and oils. The most common source is olive oil, but it can also be extracted from fish oil and other vegetable oils. Synthetic production involves the hydrogenation of oleic acid or esters of oleic acid.

Applications

Cosmetics and Personal Care

In the cosmetics industry, oleyl alcohol is valued for its moisturizing and conditioning properties. It is used in a variety of products, including lotions, creams, shampoos, and conditioners. Oleyl alcohol acts as an emollient, helping to soften and smooth the skin and hair. It is also used as a thickener and stabilizer in cosmetic formulations.

Pharmaceuticals

In pharmaceuticals, oleyl alcohol serves as a solvent and penetration enhancer for transdermal drug delivery systems. It helps in the absorption of drugs through the skin, making it an important component in topical formulations.

Surfactants

Oleyl alcohol is used in the production of surfactants which are compounds that lower the surface tension between two liquids or between a liquid and a solid. Surfactants are used in a wide range of applications, including detergents, emulsifiers, and dispersants.

Safety and Regulatory Aspects

Oleyl alcohol is generally considered safe for use in cosmetics and personal care products. It is approved by regulatory bodies such as the Food and Drug Administration (FDA) and the European Union (EU) for use in various applications. However, like all chemical substances, it should be used in accordance with safety guidelines to avoid potential irritation or allergic reactions.

Environmental Impact

The environmental impact of oleyl alcohol depends on its source and method of production. Naturally derived oleyl alcohol is considered to be more environmentally friendly compared to its synthetic counterparts. However, the cultivation of crops for natural oils can have environmental consequences, such as deforestation and the use of pesticides. It is important to consider sustainable and ethical sourcing practices when using oleyl alcohol in products.