What is 2-Ethylhexyl Stearate?

2-Ethylhexyl Stearate is an ester derived from the reaction of stearic acid, a naturally occurring fatty acid, and 2-ethylhexanol, an alcohol. This compound is widely used in the cosmetics, personal care, and industrial sectors due to its excellent emollient and lubricating properties.

Chemical Information:

• Chemical Formula: C24H48O2

• Molecular Weight: 368.64 g/mol

• CAS Number: 22047-49-0

• Synonyms: Octyl Stearate, Isooctyl Stearate

Physical Properties:

• Appearance: Colorless to pale yellow, oily liquid

• Odor: Mild, characteristic odor

• Solubility: Insoluble in water, but soluble in organic solvents like alcohols and oils

• Viscosity: Low, which contributes to its smooth application and spreadability

Key Features:

• Emollient: 2-Ethylhexyl Stearate is known for its ability to soften and smooth the skin, making it a popular ingredient in lotions, creams, and other skincare products.

• Lubricant: Its lubricating properties make it useful in various industrial applications, as well as in personal care products like shaving creams and massage oils.

• Non-Greasy Feel: It provides a light, non-greasy feel on the skin, which is highly desirable in cosmetic formulations.

• Excellent Spreadability: This ester spreads easily on the skin, improving the sensory experience and allowing for even distribution of other ingredients.

Applications:

1. Cosmetics and Personal Care:

• Skin Care Products: Used in lotions, creams, and moisturizers as an emollient and moisturizer, providing a silky, smooth texture.

• Makeup: Included in foundations, lipsticks, and other makeup products to enhance application and provide a soft, smooth finish.

• Hair Care: Found in conditioners and hair serums to add shine and smoothness to hair.

2. Industrial Uses:

• Lubricants: Applied in metalworking fluids and other lubricants due to its good lubricating properties and stability.

• Plasticizers: Used in the production of flexible plastics, improving their flexibility and durability.

• Paints and Coatings: Acts as a solvent and plasticizer in paints, improving spreadability and finish quality.

3. Pharmaceuticals:

• Topical Formulations: Used as an excipient in creams and ointments to provide a smooth, non-greasy texture.

4. Fragrance Industry:

• Perfumes: Acts as a carrier oil in fragrance formulations, helping to disperse the scent evenly and prolong its presence on the skin.

Safety and Handling:

2-Ethylhexyl Stearate is generally considered safe for use in cosmetic and personal care products. It is non-irritating and non-sensitizing to the skin, making it suitable for a wide range of applications, including those for sensitive skin.

Overall, 2-Ethylhexyl Stearate is valued for its versatility, light texture, and ability to enhance the sensory properties of products, making it a staple ingredient in both personal care and industrial formulations.

What is the application of 2-Ethylhexyl Stearate?

2-Ethylhexyl Stearate is a versatile compound with a wide range of applications across various industries, primarily due to its excellent emollient, lubricating, and spreading properties. Here are its main applications:

1. Cosmetics and Personal Care:

• Skin Care Products:

• Moisturizers and Creams: Acts as an emollient, providing a smooth, silky texture that helps soften and hydrate the skin without leaving a greasy residue.

• Sunscreens: Enhances the spreadability of the product, ensuring even application of UV filters across the skin.

• Anti-Aging Products: Used in formulations to improve texture and support the delivery of active ingredients.

• Makeup:

• Foundations and BB Creams: Improves the texture and feel of the product, making it easier to apply and blend.

• Lipsticks and Lip Balms: Adds a smooth, non-greasy feel, helping to condition the lips and enhance the product’s texture.

• Eyeshadows and Blushes: Acts as a binder and texture enhancer, providing a silky finish and good adherence to the skin.

• Hair Care Products:

• Conditioners and Serums: Provides shine and smoothness to hair, improving manageability and reducing frizz.

• Hair Oils: Used as a lightweight, non-greasy base that adds softness and sheen to the hair.

2. Industrial Applications:

• Lubricants:

• Metalworking Fluids: Acts as a lubricant, reducing friction and wear in metalworking processes.

• Mechanical Lubricants: Used in various mechanical systems where a light, stable lubricant is required.

• Plasticizers:

• Flexible Plastics: Used as a plasticizer to enhance the flexibility and workability of plastics, improving their performance in applications such as cables, films, and coatings.

• Paints and Coatings:

• Solvent and Plasticizer: Improves the spreadability and finish of paints and coatings, providing a smooth, even application.

3. Pharmaceuticals:

• Topical Formulations:

• Creams and Ointments: Used as an excipient in pharmaceutical creams and ointments to provide a non-greasy, smooth texture, enhancing the user experience and the effectiveness of the active ingredients.

4. Fragrance and Perfume Industry:

• Carrier Oil:

• Perfumes and Body Sprays: Acts as a carrier oil in fragrances, ensuring an even distribution and a prolonged release of the scent when applied to the skin.

5. Food Industry:

• Food Packaging:

• Coatings for Food Contact Materials: May be used in food packaging applications to provide a smooth, non-sticky coating that improves the appearance and functionality of the packaging.

6. Other Applications:

• Massage Oils:

• Body Care: Provides a light, non-greasy base for massage oils, ensuring easy glide and absorption into the skin.

2-Ethylhexyl Stearate's unique combination of properties—such as low viscosity, excellent spreadability, and non-greasy feel—makes it a valuable ingredient across these diverse applications, particularly in products that require a smooth, silky texture and effective moisturizing properties.

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