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Aluminum Stearate

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Identification
Molecular formula
Al(C18H35O2)3
CAS number
637-12-7
IUPAC name
aluminum;octadecanoate
State
State

Aluminum stearate is typically found in solid form at room temperature. It is often used as a gelling agent in cosmetic and industrial applications.

Melting point (Celsius)
115.00
Melting point (Kelvin)
388.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
876.29g/mol
Molar mass
876.2870g/mol
Density
1.0080g/cm3
Appearence

Aluminum stearate appears as a white or yellowish-white powder. It is typically odorless and is insoluble in water, but soluble in oils and organic solvents.

Comment on solubility

Solubility of Aluminum Octadecanoate

Aluminum octadecanoate, commonly represented by the formula Al(C18H36O2)3, exhibits unique solubility properties due to its organic and inorganic components. Understanding its solubility behavior is crucial for applications in various fields, including pharmaceuticals and materials science. Here are some key points to consider:

  • Nonpolar Solvents: Aluminum octadecanoate is soluble in nonpolar organic solvents. Its long hydrocarbon chains enhance solubility in environments where polarity is minimal.
  • Water: Its solubility in water is limited due to the large hydrophobic octadecanoate chains. As a result, it is considered practically insoluble in aqueous environments.
  • Temperature Dependency: The solubility can also be temperature-dependent, with higher temperatures potentially increasing the solubility in nonpolar solvents.

In summary, aluminum octadecanoate is primarily soluble in nonpolar solvents while showing negligible solubility in water. Its unique solubility characteristics make it a valuable compound in various chemical applications, emphasizing the relationship between structure and solubility.

Interesting facts

Interesting Facts About Aluminum Octadecanoate

Aluminum octadecanoate, also known as aluminum stearate, is a fascinating compound with diverse applications in various fields. Here are some intriguing aspects of this compound:

  • Composition and Structure: Aluminum octadecanoate is formed by the coordination of aluminum ions with octadecanoate ions. This results in a complex structure that allows the compound to exhibit unique properties.
  • Common Uses: This compound is widely used in industries such as cosmetics, food, and pharmaceuticals. It serves as an emulsifier, stabilizer, and thickening agent, contributing to the texture and consistency of various products.
  • Role in Polymer Chemistry: Aluminum octadecanoate is often utilized as a catalyst in the synthesis of polymers. Its ability to promote reactions enhances the efficiency and effectiveness of polymerization processes.
  • Environmental Considerations: Being derived from a fatty acid, aluminum octadecanoate can be considered more environmentally friendly compared to some synthetic additives. However, like many compounds, its use should be regulated to minimize potential environmental impacts.
  • Research Potential: Ongoing research is exploring its applications in nanotechnology and materials science. Its unique properties may lead to the development of innovative materials with enhanced performance.

In summary, aluminum octadecanoate is not just a simple compound; its versatility in applications and ongoing research highlight the importance of understanding chemical compounds in greater detail.
As a student or scientist, exploring compounds like aluminum octadecanoate can lead to groundbreaking advancements across multiple disciplines.