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Dodecylbenzyldimethylammonium chloride

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Identification
Molecular formula
C21H38ClN
CAS number
8001-54-5
IUPAC name
dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium;chloride
State
State

At room temperature, dodecylbenzyldimethylammonium chloride is generally found in a solid state when pure. In commercial and industrial products, it is commonly found dissolved in solutions.

Melting point (Celsius)
-9.00
Melting point (Kelvin)
264.00
Boiling point (Celsius)
230.00
Boiling point (Kelvin)
503.00
General information
Molecular weight
339.00g/mol
Molar mass
339.0000g/mol
Density
0.8480g/cm3
Appearence

Dodecylbenzyldimethylammonium chloride typically appears as a white or yellowish-white powder. It can also be encountered in some formulations as a colorless to pale yellow liquid. Due to its amphiphilic nature, it is often used as a surfactant. In powdered form, it may appear crystalline, and in solution, it can be clear or slightly hazy depending on concentration and impurities.

Comment on solubility

Solubility of Dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium Chloride

Dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium chloride, commonly referred to as a quaternary ammonium compound, exhibits interesting solubility characteristics due to its unique molecular structure. The solubility of this compound can be influenced by various factors:

  • Polarity: The presence of both hydrophobic dodecyl chains and hydrophilic ammonium groups contributes to its amphiphilic nature. This molecular design often allows it to dissolve well in polar solvents such as water.
  • Temperature: Increased temperatures can enhance the solubility of many ionic compounds. Consequently, warming the solution may promote better dissolution of dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium chloride in aqueous environments.
  • Concentration: As with most solutes, higher concentrations can lead to saturation limits. Thus, it's important to consider the solubility product when preparing solutions.
  • pH Level: The solubility may also fluctuate with changes in pH; typically, quaternary ammonium compounds are more soluble in neutral to slightly basic solutions.

However, it is noteworthy that, while these compounds generally exhibit good solubility in water, **the aggregation and micellization effects can lead to complex behaviors** in larger concentrations. As stated, “In solutions, these compounds can form micelles, transforming the manner in which they interact with solubility parameters.”
Understanding the solubility profile of dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium chloride is crucial for its application in various industries, particularly in formulations requiring effective surfactant properties.

Interesting facts

Interesting Facts about Dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium Chloride

Dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium chloride, often referred to as a quaternary ammonium compound, is an interesting substance with various applications and unique properties. Here are some noteworthy aspects:

  • Surfactant Properties: This compound is known for its excellent surfactant properties, making it valuable in a myriad of formulations, including detergents and emulsifiers. Its ability to reduce surface tension aids in the dispersion of oils and other substances.
  • Antimicrobial Efficacy: Due to its positive charge, it exhibits significant antimicrobial activity. This makes it particularly useful in antibacterial and antifungal applications, which are significant for disinfectants and personal care products.
  • Solubilization of Organic Compounds: This compound is adept at solubilizing various organic compounds, which enhances the efficacy of active ingredients in consumer products.
  • Structure-Activity Relationship: The unique structure of this quaternary ammonium ion, with its long dodecyl tail and aromatic ring, offers intriguing insights into structure-activity relationships, making it a subject of interest for chemical research.

Furthermore, the design of dodecyl-[(4-ethylphenyl)methyl]-dimethyl-ammonium chloride highlights the versatility of quaternary ammonium compounds in both industrial and domestic applications, emphasizing their importance in modern chemistry. As noted by chemists, understanding the interactions of such compounds is crucial for developing new materials and enhancing existing ones. It is a prime example of how tailored molecular design can lead to advancements in various fields, including cosmetic formulations, agriculture, and pharmaceuticals.

Overall, this compound serves as a reminder of the intricate world of chemical compounds and their essential roles in everyday life.