Skip to main content

N-ethyl-N-(4-phenylazophenyl)amine

ADVERTISEMENT
Identification
Molecular formula
C14H15N3
CAS number
156-76-1
IUPAC name
N-ethyl-4-phenylazo-aniline
State
State

At room temperature, N-ethyl-4-phenylazo-aniline is typically found in a solid state. It may appear as a powder or crystalline solid, depending on its specific preparation and purity. This solid state is characteristic of many azo compounds, facilitating its use in various applications such as dyes.

Melting point (Celsius)
100.00
Melting point (Kelvin)
373.15
Boiling point (Celsius)
485.00
Boiling point (Kelvin)
758.15
General information
Molecular weight
224.29g/mol
Molar mass
224.3010g/mol
Density
1.1000g/cm3
Appearence

N-ethyl-4-phenylazo-aniline appears as an orange to red solid. The compound is known for its vivid color, which is typical of azo compounds due to the -N=N- azo group. It is often used as a dye or pigment because of its strong chromatic properties.

Comment on solubility

Solubility of N-ethyl-4-phenylazo-aniline

N-ethyl-4-phenylazo-aniline, a compound characterized by its azo (–N=N–) group, exhibits interesting solubility properties influenced by its hydrophobic and hydrophilic portions. Understanding its solubility behavior is essential for various applications, including dyeing processes and organic synthesis.

Solubility Characteristics

  • In Water: N-ethyl-4-phenylazo-aniline is generally considered insoluble in water. The large hydrophobic aromatic rings hinder its interaction with water molecules, making it difficult for the compound to dissolve.
  • In Organic Solvents: This compound tends to exhibit good solubility in organic solvents such as ethanol, acetone, and chloroform. The presence of the ethyl group and the azo linkage allow it to interact favorably with the non-polar characteristics of these solvents.
  • pH Dependence: The solubility can be influenced by pH changes. In acidic conditions, protonation of the amino group may improve solubility, while alkaline conditions could lead to precipitation.

In summary, the solubility of N-ethyl-4-phenylazo-aniline is a prime example of how molecular structure dictates solubility behavior. When considering solubility, it is crucial to take into account both the solvent polarity and the functional groups present in the compound, as these factors play a significant role in determining how and where the compound can be used effectively.

Interesting facts

Interesting Facts about N-ethyl-4-phenylazo-aniline

N-ethyl-4-phenylazo-aniline is a fascinating compound that belongs to the class of azo dyes. These dyes are known for their vibrant colors and are widely used in various applications, ranging from textiles to food coloring. Here are some intriguing aspects of this compound:

  • Azo Dyes: The term "azo" refers to the presence of a nitrogen-to-nitrogen double bond (N=N) in the chemical structure, a characteristic that is responsible for the compound's notable color properties.
  • Color Fastness: Azo dyes, including N-ethyl-4-phenylazo-aniline, are appreciated for their excellent color fastness, meaning they resist fading when subjected to washing or exposure to light.
  • Versatile Applications: This compound finds its utility not only in manufacturing textile dyes but also in food and cosmetic products, showcasing the versatility of azo compounds.
  • Environmental Considerations: While azo dyes are widely used, there are growing concerns about some azo compounds, as they can break down into harmful amines. This has led to increased regulatory scrutiny in various industries.
  • Chemical Structure: The presence of both ethyl and phenyl groups in its structure allows for variations in its chemical reactivity and solubility, making it a subject of interest for researchers in the field.

In summary, N-ethyl-4-phenylazo-aniline represents a captivating intersection of chemistry, application, and environmental awareness. Its vibrant color, diverse uses, and the intricacies of its molecular structure make it a compound of significant interest in both academic and industrial contexts. As a chemistry student, studying this compound can deepen your understanding of azo dyes and their impact on modern materials and consumer products.

Synonyms
2058-67-5
N-Ethyl-4-(2-phenyldiazenyl)benzenamine
N-Ethyl-4-aminoazobenzene
ANILINE, N-ETHYL-p-(PHENYLAZO)-
4-monoethylaminoazobenzene
Benzenamine, N-ethyl-4-(2-phenyldiazenyl)-
4-(Ethylaminoazobenzene)
N-Ethyl-p-(phenylazo)aniline
N-Ethyl-4-(phenylazo)benzenamine
Benzenamine, N-ethyl-4-(phenylazo)-
BRN 0747223
N-Ethyl-4-[(E)phenyldiazenyl]aniline
4-(Ethylamino)azobenzene
8Y2TFS469R
DTXSID101039679
Benzenamine, N-ethyl-4-(phenylazo)-, (E)-
N-ethyl-4-[(1E)-2-phenyldiazen-1-yl]aniline
118527-21-2