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Dimethyldioctadecylammonium

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Identification
Molecular formula
C38H80N
CAS number
107-64-2
IUPAC name
dimethyl(dioctadecyl)ammonium
State
State

At room temperature, dimethyldioctadecylammonium is in a solid state. Due to its long hydrophobic hydrocarbon chains, it has a waxy consistency and remains solid at ambient conditions.

Melting point (Celsius)
66.00
Melting point (Kelvin)
339.15
Boiling point (Celsius)
360.00
Boiling point (Kelvin)
633.15
General information
Molecular weight
596.51g/mol
Molar mass
596.5140g/mol
Density
0.9000g/cm3
Appearence

Dimethyldioctadecylammonium typically appears as a white to off-white waxy solid. It is generally supplied in the form of a powder or flake and has a characteristic odor associated with amine compounds.

Comment on solubility

Solubility of Dimethyl(dioctadecyl)ammonium

Dimethyl(dioctadecyl)ammonium, a quaternary ammonium compound, exhibits unique solubility characteristics due to its long aliphatic hydrocarbon chains. Generally, the solubility of this compound can be summarized as follows:

  • Non-polar Solvent Solubility: Dimethyl(dioctadecyl)ammonium is highly soluble in non-polar solvents such as hexane and toluene. The hydrophobic nature of the long alkyl chains facilitates this interaction.
  • Aqueous Solubility: Conversely, in water, this compound demonstrates very low solubility. The presence of the long hydrocarbon chains hinders the ability of the molecule to interact favorably with water molecules.
  • Amphiphilic Properties: As a compound with both hydrophobic (long alkyl chains) and hydrophilic (quaternary ammonium group) regions, dimethyl(dioctadecyl)ammonium can act as a surfactant, finding applications in forming micelles or emulsions where interfaces between water and oils are involved.

In summary, the solubility of dimethyl(dioctadecyl)ammonium is a reflection of its structural characteristics, leading to its preference for non-polar environments while displaying limited compatibility with polar solvents like water.

Interesting facts

Interesting Facts about Dimethyl(dioctadecyl)ammonium

Dimethyl(dioctadecyl)ammonium is an intriguing quaternary ammonium compound that serves a variety of applications in both industrial and academic settings.

Key Features

  • Surfactant Properties: This compound is known for its exceptional surfactant abilities, making it invaluable in formulations for detergents, emulsifiers, and dispersants.
  • Biological Applications: Its antimicrobial characteristics enable it to be utilized in various fields, including pharmaceuticals and food science, to improve safety and extend shelf life.
  • Phase Transfer Catalyst: Dimethyl(dioctadecyl)ammonium can act as a phase transfer catalyst, facilitating reactions between two immiscible phases, which is immensely useful in organic synthesis.
  • Stability: Its quaternary structure provides substantial thermal and chemical stability, making it suitable for a wide range of conditions.

Application Areas

This compound has application areas that span multiple sectors:

  • Cosmetics: It can be found in hair conditioners and creams for its conditioning effects.
  • Water Treatment: The compound is effective in water treatment processes to reduce bacterial growth.
  • Agriculture: Often used in formulations for pesticides and herbicides, enhancing their effectiveness by improving solubility and bioavailability.

Research and Studies

Numerous studies have explored the properties and potential benefits of dimethyl(dioctadecyl)ammonium:

  • An investigation into its efficacy as a biocidal agent highlighted its ability to combat various microbial strains effectively.
  • Research has demonstrated its role in enhancing drug delivery systems, paving the way for more effective therapeutic applications.

As a compound, dimethyl(dioctadecyl)ammonium showcases the fascinating intersection of chemistry and practical application, highlighting the importance of quaternary ammonium compounds in modern science.

Synonyms
Dimethyldioctadecylammonium
distearyldimonium
Ddbas compound
14357-21-2
Dioctadecyldimethylammonium ion
dimethyldistearylammonium
dimethyl(dioctadecyl)azanium
distearyldimethylammonium
dioctadecyldimethylammonium
1-Octadecanaminium, N,N-dimethyl-N-octadecyl-
Ammonium, dimethyldioctadecyl-
251IW5I21C
N,N-Dimethyl-N-octadecyl-1-octadecanaminium
DSDAC cpd
dimethyldistearylammonium bisulfate
UNII-251IW5I21C
dimethyldioctadecylazanium
SCHEMBL30485
OGQYPPBGSLZBEG-UHFFFAOYSA-
DTXSID00859191
dimethyl-dioctadecylazanium bromide
DB14143
NS00013644
Q27253895
Dialkyl dimethyl ammonium compound C18:C18 (DADMAC C18:C18)
InChI=1/C38H80N/c1-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39(3,4)38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-2/h5-38H2,1-4H3/q+1