Stearate SG

Overview:

Stearate SG, commonly known as Stearic Acid Glyceride or Glyceryl Stearate, is a versatile, non-ionic surfactant and emulsifier derived from stearic acid and glycerol. It is widely used in the cosmetics, pharmaceutical, and food industries due to its excellent emulsifying, stabilizing, and thickening properties. Stearate SG is particularly valued for its ability to create stable oil-in-water (O/W) emulsions, making it a key ingredient in creams, lotions, and other personal care products.

Chemical Properties:

Stearate SG is a mixture of mono-, di-, and tri-esters of stearic acid and glycerol, with the monoester (monostearate) being the most functionally significant component. Its chemical formula is typically represented as C21H42O4 for the monoester form. It appears as a white or off-white, waxy solid or flakes with a mild fatty odor. Stearate SG is insoluble in water but can be dispersed in hot water, forming a milky emulsion. It is soluble in oils, alcohols, and other organic solvents.

Applications:

1. Cosmetics and Personal Care:

Stearate SG is a key ingredient in a wide range of cosmetic and personal care products, including creams, lotions, moisturizers, and makeup. It acts as an emulsifier, helping to blend oil and water phases into stable, smooth formulations. It also provides a rich, creamy texture and enhances the spreadability of products on the skin. Additionally, Stearate SG functions as a thickening agent and stabilizer, improving the consistency and shelf life of cosmetic products.

2.Pharmaceuticals:

In the pharmaceutical industry, Stearate SG is used as an excipient in topical ointments, creams, and lotions. It helps to stabilize emulsions and improve the delivery of active pharmaceutical ingredients (APIs) to the skin. Its mild and non-irritating properties make it suitable for use in sensitive formulations, such as those for dermatological treatments.

3. Food Industry:

Stearate SG is used as an emulsifier and stabilizer in food products, particularly in baked goods, dairy products, and margarine. It helps to improve texture, prevent separation of ingredients, and extend shelf life. It is generally recognized as safe (GRAS) by regulatory authorities for use in food.

4. Industrial Applications:

Stearate SG is also used in industrial applications, such as in the production of plastics, lubricants, and coatings. It acts as a lubricant and release agent in plastic manufacturing and helps to improve the processing and performance of various materials.

5. Other Applications:

Stearate SG is sometimes used in candle making as a hardening agent and in textile manufacturing as a softening agent. Its versatility and functional properties make it a valuable additive in various industries.

Safety and Handling:

Stearate SG is considered safe for use in cosmetics, pharmaceuticals, and food products. It is non-toxic, non-irritating, and non-sensitizing when used in appropriate concentrations. However, as with any chemical, proper handling procedures should be followed. Personal protective equipment (PPE), such as gloves and safety goggles, should be worn when handling Stearate SG in its raw form. It should be stored in a cool, dry place away from direct sunlight and moisture.

Environmental Considerations:

Stearate SG 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:

Stearate SG is a highly versatile and functional ingredient with a wide range of applications in cosmetics, pharmaceuticals, food, and industrial products. Its emulsifying, stabilizing, and thickening properties make it indispensable in the formulation of creams, lotions, and other emulsions. Its mildness and safety profile further enhance its suitability for use in sensitive applications. Stearate SG’s versatility and effectiveness ensure that it will remain a key ingredient in many industries for years to come.

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.