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Oleic acid

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Identification
Molecular formula
C18H34O2
CAS number
112-80-1
IUPAC name
octadec-10-enoic acid
State
State

Oleic acid is typically a liquid at room temperature, although it can solidify just under room temperature.

Melting point (Celsius)
13.00
Melting point (Kelvin)
286.15
Boiling point (Celsius)
360.00
Boiling point (Kelvin)
633.15
General information
Molecular weight
282.47g/mol
Molar mass
282.4680g/mol
Density
0.8950g/cm3
Appearence

Oleic acid appears as a colorless to pale yellow liquid at room temperature. It has a slightly oily texture.

Comment on solubility

Solubility of Octadec-10-enoic Acid

Octadec-10-enoic acid, also known as oleic acid, is a monounsaturated fatty acid with the chemical formula C18H34O2. Its solubility properties are quite intriguing and can be summarized as follows:

  • Solubility in Water: Octadec-10-enoic acid has a low solubility in water. This is primarily due to its long hydrophobic carbon chain, which disrupts the hydrogen-bonding network of water molecules.
  • Solubility in Organic Solvents: In contrast, octadec-10-enoic acid is highly soluble in organic solvents. It readily dissolves in:
    • Chloroform
    • Ether
    • Acetone
    • Alcohols
  • Temperature Dependence: Its solubility in both water and organic solvents can vary with temperature. Increasing temperature generally enhances solubility, especially in organic solvents.

As a fatty acid, octadec-10-enoic acid's solubility characteristics underscore its versatility in research and industrial applications. It is often utilized in the formulation of emulsions, surfactants, and as a lubricant.

In summary, while octadec-10-enoic acid demonstrates low water solubility, its affinity for organic solvents makes it an excellent candidate for various chemical applications.

Interesting facts

Interesting Facts about Octadec-10-enoic Acid

Octadec-10-enoic acid, more commonly known as oleic acid, is an unsaturated fatty acid possessing remarkable significance in both nature and industry. Here are some fascinating insights:

  • Natural Abundance: This fatty acid is prevalent in various animal and plant fats, particularly in olive oil, where it can constitute up to 85% of the total fat content. Its presence contributes to the health benefits associated with the Mediterranean diet.
  • Biological Role: Oleic acid plays a crucial role in cellular membranes, affecting their fluidity and function. It is also involved in signaling pathways within cells, demonstrating its importance in various biological processes.
  • Health Benefits: Consumption of oleic acid has been linked to numerous health benefits, including:
    • Reduced inflammation
    • Lower cholesterol levels
    • Potential protection against heart disease
  • Industrial Uses: Beyond its nutritional value, octadec-10-enoic acid is utilized in various industries:
    • Cosmetics: Used in skin care products for its emollient properties.
    • Food Products: Acts as an emulsifier in processed foods.
    • Biofuels: It is a key ingredient in the formulation of biodiesel.
  • Chemical Versatility: The double bond in oleic acid makes it a valuable starting material for the synthesis of various compounds, ranging from soaps to surfactants and lubricants.

As one dives deeper into the world of chemistry, octadec-10-enoic acid stands out not just for its structure, but for its diverse roles and applications. It is a prime example of how a single compound can impact health, industry, and biology all at once. As the renowned chemist Linus Pauling once remarked, “The best way to have a good idea is to have lots of ideas.” In the case of oleic acid, its myriad of applications showcases just how versatile this molecule truly is!

Synonyms
octadec-10-enoic acid
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