Potassium oleate | Solubility of Things

Identification

Molecular formula

C₁₈H₃₃KO₂

CAS number

143-18-0

IUPAC name

potassium;octadec-9-enoate

State

Potassium oleate is typically a solid at room temperature, often encountered in the form of waxy flakes or a fine powder.

Melting point (Celsius)

255.00

Melting point (Kelvin)

528.15

Boiling point (Celsius)

300.00

Boiling point (Kelvin)

573.15

General information

Molecular weight

320.58g/mol

Molar mass

320.5790g/mol

Density

1.0200g/cm³

Appearence

Potassium oleate appears as a white to yellowish powder or flakes. It has a slightly fatty odor and is soluble in water, forming a soapy solution.

Comment on solubility

Solubility of Potassium Octadec-9-enoate

Potassium octadec-9-enoate, with the chemical formula KOC₁₈H₃₃O₂, exhibits notable solubility characteristics that are essential for its applications. As a salt of a long-chain fatty acid, its solubility can be attributed to both the hydrophobic hydrocarbon tail and the hydrophilic carboxylate group.

Key Solubility Points:

Water Solubility: Generally, long-chain fatty acid salts like potassium octadec-9-enoate tend to be sparingly soluble in water. The solubility can be influenced by factors such as temperature and the presence of other ions in solution.
Organic Solvents: This compound is more soluble in organic solvents such as ethanol, methanol, and acetone, arising from its non-polar hydrocarbon tail, which favors interactions with non-polar solvents.
Micelle Formation: In aqueous environments, potassium octadec-9-enoate can form micelles, which may enhance its overall solubility in systems such as emulsions or surfactant applications.

Understanding the solubility of potassium octadec-9-enoate is pivotal for its effective use in various chemical and industrial processes. The balance between its hydrophobic and hydrophilic characteristics allows it to serve diverse functions, particularly in emulsification and stabilizing systems.

Interesting facts

Interesting Facts about Potassium Octadec-9-enoate

Potassium octadec-9-enoate, also known as potassium oleate, is a fascinating compound that plays a significant role in various applications ranging from biochemistry to industrial processes. Here are some noteworthy points about this compound:

Surfactant Properties: One of the most remarkable characteristics of potassium octadec-9-enoate is its ability to function as a surfactant. Surfactants are substances that reduce surface tension, making them valuable in products such as soaps and detergents.
Biocompatibility: Due to its natural origins and structure, potassium octadec-9-enoate is often regarded as biocompatible. This makes it suitable for food additives and cosmetic formulations.
Role in Emulsions: This compound is effective in stabilizing emulsions—mixtures of water and oil that do not normally mix. Its ability to prevent separation is crucial in the formation of various food products and pharmaceuticals.
Source of Potassium: As a source of potassium, it contributes beneficial nutrients, making it a useful component in fertilizers to enhance soil quality and improve plant growth.
Research Applications: The study of potassium octadec-9-enoate extends into materials science where it is utilized in lipid research and the synthesis of nanoparticles.
Cultural Significance: In some cultures, oils derived from its parent fatty acid, oleic acid, are commonly used in traditional medicine and cooking, showcasing its versatility beyond purely chemical applications.

In summary, potassium octadec-9-enoate serves as a bridge between various fields, including chemistry, biochemistry, and agriculture, due to its unique properties and functionalities. As Sir Isaac Newton once said, "If I have seen further, it is by standing on the shoulders of giants." In the case of potassium octadec-9-enoate, we stand on the shoulders of nature's intricate designs!