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Aluminum Stearate

Aluminum Stearate

Product Details:

  • Form Powder
  • Melting Point 105 Degree C
  • Purity 99 %
  • Chemical Name Aluminium Stearate
  • CAS No 637-12-7
  • Grade Industrial Grade
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Aluminum Stearate Price and Quantity

  • 100 Kilograms

Aluminum Stearate Specification

  • Aluminium Stearate
  • 105 Degree C
  • Powder
  • 637-12-7
  • Industrial Grade
  • 99 %

Trade Information

  • Cash Advance (CA)
  • 1 Week
  • 25kg

Product Description

Aluminum stearate is a chemical compound that consists of aluminum combined with stearic acid. It is primarily used as an additive in various industries, including cosmetics, personal care products, and pharmaceuticals. Here are some key points about aluminum stearate:

1. Chemical Formula: The chemical formula of aluminum stearate is Al(C18H35O2)3, indicating that it consists of three stearate groups (C18H35O2) attached to one aluminum (Al) atom.

2. Properties: Aluminum stearate appears as a white, fine powder or soft, waxy solid. It is insoluble in water but can be dispersed in organic solvents such as mineral oil and other oils.

3. Lubricant and Thickening Agent: Aluminum stearate is known for its lubricating and thickening properties. It is commonly used as an additive in lubricating greases, where it helps reduce friction and enhance the lubricating performance. It can also act as a thickening agent in various formulations, providing stability and consistency to the products.

4. Cosmetics and Personal Care: Aluminum stearate finds application in the cosmetics and personal care industry. It is used in the formulation of makeup products, such as foundations, eyeshadows, and blushes, to improve texture, spreadability, and adhesion. It can also function as an emulsifier in creams and lotions.

5. Pharmaceuticals: In the pharmaceutical industry, aluminum stearate is utilized as a binder and lubricant in tablet formulations. It helps in maintaining the structural integrity of tablets during production and improves their dissolution properties.

6. Food Additive: Aluminum stearate is considered safe for use as a food additive and is classified as generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA). It is used as an anticaking agent in powdered food products to prevent clumping and improve flowability.

7. Safety Considerations: While aluminum stearate is generally regarded as safe, prolonged or excessive exposure to aluminum compounds, including aluminum stearate, may have potential health risks. Some studies have suggested a link between aluminum and certain health conditions, but further research is needed to establish conclusive evidence.

Aluminum Stearate Applications:


Aluminum stearate finds various applications across different industries due to its properties as a lubricant, thickening agent, and emulsifier. Here are some common applications of aluminum stearate:

1. Lubricating Greases: Aluminum stearate is widely used as an additive in lubricating greases. It improves the lubricating properties by reducing friction and enhancing the film strength between moving surfaces. It is particularly effective in high-temperature applications.

2. Cosmetics and Personal Care Products: Aluminum stearate is used in cosmetics and personal care formulations for its thickening, stabilizing, and emulsifying properties. It can be found in products such as creams, lotions, foundations, lipsticks, eyeshadows, and blushes, where it helps improve texture, spreadability, and adhesion.

3. Pharmaceuticals: Aluminum stearate is utilized in the pharmaceutical industry as a binder and lubricant in tablet formulations. It helps in maintaining the structural integrity of tablets during manufacturing processes such as compression and coating. Additionally, it improves the dissolution properties of tablets.

4. Powdered Foods: Aluminum stearate is used as an anticaking agent in powdered food products. It prevents the particles from clumping together, thus improving flowability and ensuring that the product remains free-flowing. It is commonly used in powdered spices, baking mixes, powdered drinks, and other similar products.

5. Paints and Coatings: Aluminum stearate is employed as a thickening and suspending agent in paints and coatings. It helps in improving the consistency of the formulation, enhancing its stability, and preventing settling of pigments. It also assists in dispersion and improves the flow properties of the paint.

6. Plastics and Rubber: Aluminum stearate can be added to plastics and rubber formulations to improve their processability, flow properties, and mold release characteristics. It acts as a lubricant, reducing friction during processing, and facilitating the release of the final product from molds.

7. Industrial Applications: Aluminum stearate is also used in various industrial applications. It finds use as a mold release agent in the production of molded parts, as an emulsifying agent in metalworking fluids, and as a component in industrial coatings and adhesives.

Frequently Asked Questions:


Q: What is the purpose of aluminum stearate?


A: Aluminum stearate serves various purposes depending on the industry. It is primarily used as a lubricant, thickening agent, and emulsifier. It enhances lubrication in greases, improves texture and stability in cosmetics and personal care products, acts as a binder and lubricant in pharmaceutical tablets, and functions as an anticaking agent in powdered foods.

Q: Is aluminum stearate safe to use?


A: Aluminum stearate is generally regarded as safe for its intended uses. However, prolonged or excessive exposure to aluminum compounds may have potential health risks. Some studies have suggested a link between aluminum and certain health conditions, but further research is needed to establish conclusive evidence. It's important to follow recommended guidelines and consult regulatory authorities for specific safety information.

Q: Can aluminum stearate be used in food products?


A: Yes, aluminum stearate is used as an approved food additive. It is commonly employed as an anticaking agent in powdered food products to prevent clumping and improve flowability. It is classified as generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA).

Q: Does aluminum stearate contain aluminum?


A: Yes, aluminum stearate contains aluminum as part of its chemical composition. However, it's important to note that the presence of aluminum in aluminum stearate does not necessarily imply the same health concerns associated with other forms of aluminum exposure, such as aluminum salts used in antiperspirants.

Q: Can aluminum stearate be used in vegan or vegetarian products?


A: Aluminum stearate can be considered suitable for vegan or vegetarian products as it is a synthetic compound and does not directly come from animal sources. However, it's always recommended to verify the sourcing and production process with manufacturers to ensure compliance with specific dietary preferences.

Q: Is aluminum stearate biodegradable?


A: Aluminum stearate is not readily biodegradable. It is a synthetic compound that may persist in the environment. Proper disposal and waste management practices should be followed to minimize environmental impact.

Q: Can aluminum stearate cause skin irritation or allergies?


A: Aluminum stearate is generally considered to be non-irritating and non-allergenic. However, individual sensitivity may vary. It's advisable to perform patch tests or consult a dermatologist if you have specific concerns about its use in cosmetics or personal care products.

Q: Can aluminum stearate be used in water-based formulations?


A: Aluminum stearate is insoluble in water but can be dispersed in organic solvents or oils. Therefore, it is not typically used in water-based formulations. However, alternative emulsifiers and thickeners are available for water-based systems.
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