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Stearyldimethylbenzylammonium chloride

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Identification
Molecular formula
C27H50ClN
CAS number
68391-01-5
IUPAC name
octadecanoate;trimethyl(octadecyl)ammonium
State
State

At room temperature, stearyldimethylbenzylammonium chloride is typically a solid, especially in its purified form.

Melting point (Celsius)
39.00
Melting point (Kelvin)
312.15
Boiling point (Celsius)
310.50
Boiling point (Kelvin)
583.65
General information
Molecular weight
448.13g/mol
Molar mass
448.1280g/mol
Density
0.9980g/cm3
Appearence

This compound appears as a white to yellowish powder. It may also be seen in wax-like forms. The compound tends to be waxy, especially in its pure state.

Comment on solubility

Solubility of Trimethyl(octadecyl)ammonium Octadecanoate

Trimethyl(octadecyl)ammonium octadecanoate, commonly known as a quaternary ammonium compound, exhibits intriguing solubility characteristics that are worth noting:

  • Solvent Interaction: This compound is generally insoluble in water due to its long hydrophobic octadecyl chain. However, it tends to dissolve well in organic solvents such as ethanol and chloroform.
  • Temperature Effect: As with many organic compounds, increasing the temperature can enhance solubility in organic solvents, making it easier for the compound to interact with and dissolve in these solutions.
  • Concentration Dependency: Its solubility may vary significantly with concentration; at higher concentrations in organic solvents, it might achieve a saturated solution.
  • Phase Behavior: The amphiphilic nature of the compound allows it to form micelles at certain concentrations, especially in non-polar solvents, which can affect its overall solubility behavior in mixtures.

In summary, while trimethyl(octadecyl)ammonium octadecanoate shows limited solubility in polar solvents like water, it is more compatible with non-polar or slightly polar organic solvents. Understanding these properties is crucial for applications in various chemical processes.

Interesting facts

Interesting Facts about Trimethyl(octadecyl)ammonium Octadecanoate

Trimethyl(octadecyl)ammonium octadecanoate is a fascinating compound that belongs to the category of quaternary ammonium salts. Here are some key points that highlight its importance and unique properties:

  • Surfactant Properties: This compound is known for its effectiveness as a surfactant, which means it can significantly reduce the surface tension of liquids. This characteristic makes it invaluable in various applications, including detergents and emulsifiers.
  • Emulsification: The ability to stabilize emulsions makes this compound particularly useful in the cosmetic and pharmaceutical industries, where it helps blend oil and water phases effectively.
  • Antimicrobial Activity: Many quaternary ammonium compounds exhibit antimicrobial properties, which can be beneficial in applications such as disinfectants and antiseptics. This compound may share similar features.
  • Biocompatibility: The octadecyl chain contributes to the compound's hydrophobic properties, making it potentially biocompatible. This aspect is crucial for its use in drug delivery systems and biomedical applications.
  • Four Carbon Chains: The trimethyl group attached to the nitrogen along with the long octadecyl chain gives unique physicochemical properties, making this compound diverse in function and application potential.

In summary, trimethyl(octadecyl)ammonium octadecanoate exemplifies the remarkable interplay between chemistry and practical applications. Its role as a surfactant, together with its antimicrobial and emulsifying properties, underscores its significance in both industrial and research settings. As a chemistry student or enthusiast, understanding such compounds provides insight into how they can be harnessed for innovation in products that we commonly use.

Synonyms
OCTADECYLTRIMETHYLAMMONIUM STEARATE
UNII-4XO6THZ0QU
4XO6THZ0QU
7542-20-3
DTXSID70226351
DTXCID70148842
SCHEMBL4942597
Q27260641