Dioctyl sulfosuccinate sodium salt

Overview:

Emulsifier SOPE, also known as Sorbitan Oleate, is a non-ionic surfactant and emulsifier widely used in various industries, including cosmetics, pharmaceuticals, food, and industrial applications. It is derived from the esterification of sorbitol with oleic acid, a fatty acid derived from natural sources such as vegetable oils. Emulsifier SOPE is valued for its ability to stabilize oil-in-water (O/W) and water-in-oil (W/O) emulsions, making it a versatile ingredient in formulations requiring the mixing of immiscible phases.

Chemical Properties:

Emulsifier SOPE has the chemical formula C₂₄H₄₄O₆ and is part of the sorbitan ester family. It is a yellowish to amber-colored liquid or semi-solid with a mild characteristic odor. The compound is hydrophobic (oil-loving) due to its oleic acid component, but it also has hydrophilic (water-loving) properties from the sorbitol moiety, giving it an amphiphilic nature. This balance allows it to act as an effective emulsifier and stabilizer.

– Solubility: Emulsifier SOPE is soluble in oils, fats, and organic solvents but insoluble in water. However, it can be dispersed in water to form stable emulsions.

– HLB Value: It has a low Hydrophilic-Lipophilic Balance (HLB) value, typically around 4.3. making it particularly suitable for water-in-oil (W/O) emulsions.

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Applications:

1. Cosmetics and Personal Care:

– Emulsifier SOPE is widely used in skincare and haircare products, such as creams, lotions, moisturizers, and conditioners. It helps to stabilize emulsions, improve texture, and enhance the spreadability of products on the skin or hair.

– It is also used in makeup products like foundations and lipsticks to ensure even application and long-lasting wear.

2. Pharmaceuticals:

– In pharmaceutical formulations, Emulsifier SOPE is used as an emulsifying agent in topical ointments, creams, and lotions. It helps to deliver active ingredients effectively and ensures the stability of the product.

– It is also used in oral and injectable formulations as a solubilizing agent for poorly water-soluble drugs.

3. Food Industry:

– Emulsifier SOPE is used as a food additive (E494) in products like baked goods, ice cream, and whipped toppings. It acts as an emulsifier, stabilizer, and thickening agent, improving texture and shelf life.

– It is generally recognized as safe (GRAS) by regulatory authorities when used within specified limits.

4. Industrial Applications:

– Emulsifier SOPE is used in the production of lubricants, metalworking fluids, and coatings. It helps to stabilize emulsions and improve the performance of these products.

– It is also used in agricultural formulations, such as pesticides and herbicides, to enhance the dispersion and absorption of active ingredients.

5. Other Applications:

– Emulsifier SOPE is used in the textile industry as a softening agent and in the production of polishes and waxes to improve their consistency and application properties.

Safety and Handling:

– Emulsifier SOPE is generally considered safe for use in cosmetics, pharmaceuticals, and food products when used in appropriate concentrations. However, it should be handled with care in its raw form.

– Personal protective equipment (PPE), such as gloves and safety goggles, should be worn when handling Emulsifier SOPE. In case of skin contact, the affected area should be washed thoroughly with soap and water. If ingested or inhaled, medical attention should be sought immediately.

– It should be stored in a cool, dry place away from direct sunlight and moisture to maintain its stability.

Environmental Considerations:

– Emulsifier SOPE is biodegradable and poses minimal environmental risk when disposed of properly. However, it is important to follow local regulations and guidelines for waste disposal to minimize any potential environmental impact.

Conclusion:

Emulsifier SOPE (Sorbitan Oleate) is a highly versatile and effective emulsifier with a wide range of applications in cosmetics, pharmaceuticals, food, and industrial products. Its ability to stabilize both oil-in-water and water-in-oil emulsions makes it an indispensable ingredient in many formulations. Its mildness and safety profile further enhance its suitability for use in sensitive applications. Emulsifier SOPE’s versatility and effectiveness ensure that it will remain a key ingredient in many industries for years to come.

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