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Oleic acid

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Identification
Molecular formula
C18H34O2
CAS number
112-80-1
IUPAC name
2-(2-hydroxyethylamino)ethanol;octadec-9-enoic acid
State
State

At room temperature, oleic acid is typically found as a liquid, although it will solidify into a waxy substance at cooler temperatures slightly above its melting point.

Melting point (Celsius)
13.40
Melting point (Kelvin)
286.55
Boiling point (Celsius)
360.00
Boiling point (Kelvin)
633.15
General information
Molecular weight
282.47g/mol
Molar mass
282.4670g/mol
Density
0.8950g/cm3
Appearence

Oleic acid is a colorless to pale yellow oily liquid. It may solidify or become waxy at cooler temperatures. While in solid form, it is slightly more opaque, appearing off-white.

Comment on solubility

Solubility of 2-(2-hydroxyethylamino)ethanol; octadec-9-enoic acid

The solubility characteristics of the compound known as 2-(2-hydroxyethylamino)ethanol; octadec-9-enoic acid are indeed intriguing and can often be complex due to its unique chemical structure. This compound exhibits the following solubility behavior:

  • Polar vs. Non-Polar Solubility: The presence of the -OH (hydroxyl) and -NH (amino) functional groups, which are polar, suggest that the compound has a degree of solubility in polar solvents such as water.
  • Hydrophobic Components: Conversely, the long hydrophobic tail contributed by the octadec-9-enoic acid portion may lead to lower solubility in water, favoring solubility in organic solvents like ethanol or chloroform.
  • Amphiphilic Nature: This compound can be classified as amphiphilic, which means it can interact with both polar and non-polar environments, potentially allowing for interesting behaviors in emulsions or micelle formation.

Additionally, factors affecting solubility include:

  • Temperature: Increasing temperature generally increases the solubility of organic compounds.
  • pH of the solvent: The ionization of the amino group can also enhance solubility in aqueous solutions, particularly under basic or acidic conditions.

In summary, while 2-(2-hydroxyethylamino)ethanol; octadec-9-enoic acid demonstrates interesting solubility properties, its behavior will largely depend on environmental conditions and the specific solvent used.

Interesting facts

Interesting Facts about 2-(2-hydroxyethylamino)ethanol; octadec-9-enoic acid

The compound known as 2-(2-hydroxyethylamino)ethanol, often referred to as a surfactant and emulsifier, plays a significant role in various industrial and laboratory applications. This compound is particularly valued for its amphiphilic properties, allowing it to interact effectively with both hydrophilic (water-loving) and hydrophobic (water-repelling) substances. Here are some key points about this fascinating compound:

  • Biological Significance: Its structure includes an amino group, which can participate in various biochemical reactions, making it useful in biochemical research.
  • Versatile Applications: This compound is commonly found in cosmetics, pharmaceuticals, and detergents due to its ability to stabilize emulsions and improve product performance.
  • Emulsifying Agent: Acts as an effective emulsifier in formulations, helping to disperse one liquid into another, enhancing texture and appearance in creams and lotions.

On the other hand, octadec-9-enoic acid, also known as oleic acid, is a well-known fatty acid with a wide range of applications:

  • Natural Source: It is predominantly found in various animal and vegetable fats, particularly olive oil, and is a key component of cell membranes.
  • Health Benefits: Octadec-9-enoic acid is recognized for its beneficial effects on heart health, often being associated with lowering bad cholesterol levels.
  • Industrial Uses: This fatty acid is utilized in the production of soaps, detergents, and surfactants, as well as in the manufacturing of biodiesel and lubricants.

The combination of these two compounds can yield interesting interactions, making them valuable in both research and practical applications. The synergy of 2-(2-hydroxyethylamino)ethanol and octadec-9-enoic acid reflects the intricate relationships between chemical structures and their functional properties, further expanding our understanding of organic chemistry.

Synonyms
Oleic acid, compound with 2,2'-iminodiethanol (1:1)
SCHEMBL242881