Skip to main content

Cetyltrimethylammonium chloride

ADVERTISEMENT
Identification
Molecular formula
C19H42ClN
CAS number
112-02-7
IUPAC name
diaminomethylene(hexadecyl)ammonium;chloride
State
State

At room temperature, cetyltrimethylammonium chloride is typically in a solid state, specifically as a crystalline powder. Given its hygroscopic nature, it must be stored in a dry environment to maintain its solid form.

Melting point (Celsius)
237.00
Melting point (Kelvin)
510.15
Boiling point (Celsius)
100.00
Boiling point (Kelvin)
373.15
General information
Molecular weight
320.00g/mol
Molar mass
320.0000g/mol
Density
0.9684g/cm3
Appearence

Cetyltrimethylammonium chloride appears as a white crystalline solid. It is often available in powder form and may show slightly different granule sizes. The compound is hygroscopic, meaning it can absorb moisture from the air, which may affect its consistency if not stored properly.

Comment on solubility

Solubility of Diaminomethylene(hexadecyl)ammonium Chloride

Diaminomethylene(hexadecyl)ammonium chloride, often referred to as a quaternary ammonium compound, showcases unique solubility properties that are crucial for its applications. Overall, the solubility of this compound can be characterized by the following aspects:

  • Water Solubility: This compound exhibits a variable solubility in water. The presence of a lengthy hydrocarbon chain (the hexadecyl group) tends to reduce its overall solubility due to hydrophobic interactions, while the ammonium group can promote solubility through hydrogen bonding.
  • Organic Solvents: In solvents such as ethanol and acetone, the solubility tends to increase significantly. This is due to the ability of organic solvents to solvate both the hydrophobic and hydrophilic portions of the molecule.
  • Temperature Dependency: The solubility may also increase with rising temperature. Higher temperatures generally enhance the kinetic energy of the molecules, facilitating better interactions with solvents.
  • pH Influence: The solubility could be affected by the pH of the solution, as changes in pH may alter the protonation state of the ammonium ion, influencing its interaction with water.

In essence, while diaminomethylene(hexadecyl)ammonium chloride is not universally soluble in water, its solubility is notably enhanced in organic solvents, making it an intriguing compound of study for chemical scientists.

Interesting facts

Interesting Facts about Diaminomethylene(Hexadecyl)Ammonium Chloride

The compound diaminomethylene(hexadecyl)ammonium chloride, often referred to in shortened forms, is a fascinating quaternary ammonium compound that has gained notable attention in various scientific fields. Its unique structure and properties have led to multiple applications, especially in the realm of chemistry and materials science.

Key Properties and Applications

  • Surfactant Use: One of the primary applications of this compound lies in its role as a surfactant. It is often utilized in a variety of cleaning products due to its ability to reduce surface tension, thereby improving the wetting and spreading abilities of formulations.
  • Antimicrobial Activity: It has been noted for its antimicrobial properties, making it significant in the pharmaceutical and personal care industries. Researchers have identified this compound's potential in formulations aimed at sterilization and preservation.
  • Polymer Compatibility: The compound's compatibility with different polymers enhances its usage in creating modified materials that exhibit improved durability and performance in several applications.
  • Detergency: In association with its surfactant properties, it contributes to wetting, emulsification, and defoaming in detergents, showcasing its importance in both household and industrial cleaning agents.

Chemical Characteristics

This compound features a long hydrocarbon chain, which is responsible for its hydrophobic properties, paired with an amino group that provides cationic character. The balance of these structural elements gives rise to the compound's unique functionalities:

  • Hydrophobic and Hydrophilic Regions: The hexadecyl group contributes to its hydrophobic characteristics, while the ammonium portion provides a hydrophilic element, allowing it to interact effectively with various substances.
  • Charge Neutralization: As a quaternary ammonium salt, its positive charge helps neutralize anionic species, which makes it useful in formulations requiring stability and efficacy against unwanted charges.

In summary, the versatility and unique structural attributes of diaminomethylene(hexadecyl)ammonium chloride make it a compound of interest across multiple scientific domains, paving the way for innovative applications in cleaning, antimicrobial solutions, and polymer enhancement. Whether you're a researcher or a student, this compound illustrates the critical roles that quaternary ammonium compounds play in modern chemistry and industry.

Synonyms
Hexadecylguanidine monohydrochloride
19196-09-9
diaminomethylidene(hexadecyl)azanium;chloride
Hexadecylguanidine hydrochloride
Hexadecylguanidine HCl
EINECS 242-868-5
GUANIDINE, HEXADECYL-, HYDROCHLORIDE
N-hexadecylguanidinium chloride