Skip to main content

4-(4-aminophenyl)azophenol

ADVERTISEMENT
Identification
Molecular formula
C12H11N3O
CAS number
104-98-3
IUPAC name
4-(4-aminophenyl)azophenol
State
State

4-(4-aminophenyl)azophenol is generally found in a solid state at room temperature. Being a crystalline compound, it has a well-defined structure.

Melting point (Celsius)
254.00
Melting point (Kelvin)
527.15
Boiling point (Celsius)
378.00
Boiling point (Kelvin)
651.15
General information
Molecular weight
213.24g/mol
Molar mass
213.2260g/mol
Density
1.3731g/cm3
Appearence

4-(4-aminophenyl)azophenol typically appears as a yellow to dark yellow crystalline solid. It is used in dye applications due to its vivid coloration.

Comment on solubility

Solubility of 4-(4-aminophenyl)azophenol

4-(4-aminophenyl)azophenol, often referred to as a dye intermediate, exhibits unique solubility characteristics that are essential to its applications in dyeing and coloration processes. Its solubility can be influenced by several factors:

  • Polarity: The presence of both amino and hydroxyl groups contributes to the overall polarity of the molecule, making it relatively soluble in polar solvents.
  • Solvent type: It is primarily soluble in ethanol, methanol, and water, but shows limited solubility in non-polar solvents.
  • pH levels: The solubility can also vary with changes in pH; for example, at acidic or basic pH, the ionization of the amino group can enhance solubility.
  • Temperature: Increasing temperature typically improves solubility, a common trait among organic compounds.

In general, solubility is a critical parameter for 4-(4-aminophenyl)azophenol, as it affects its performance in dye applications. As stated in literature, “The solubility profile of dye compounds significantly impacts their uptake on substrates and the final color yield.” Understanding these solubility factors is vital for optimal application and performance.

Interesting facts

Interesting Facts About 4-(4-aminophenyl)azophenol

4-(4-aminophenyl)azophenol, also known for its vibrant color and significant applications, is a fascinating organic compound that highlights the intricate world of azo compounds. Here are some noteworthy facts:

  • Azo Group: The compound contains an azo group (–N=N–), which is a characteristic feature of many colorful organic compounds. This functional group is responsible for the vivid dyes that are prevalent in textiles and art.
  • Biological Relevance: Research has shown that compounds like 4-(4-aminophenyl)azophenol can have potential applications in the field of pharmaceuticals and biological studies, sometimes exhibiting antioxidant and antimicrobial properties.
  • Dye Production: Due to its azo structure, it is often used in the synthesis of azo dyes, which are renowned for their stability and robustness in various applications, from clothing to food coloring.
  • Double Functionality: The presence of both an amino group and a hydroxyl group allows for versatile synthetic pathways, enabling chemists to modify the compound for different applications or to develop related compounds.
  • Environmental Considerations: As with many azo dyes, there is ongoing research into the environmental impact of their use, particularly regarding their biodegradability and the potential formation of harmful by-products during degradation.

The study of 4-(4-aminophenyl)azophenol not only expands our understanding of organic compounds but also opens the door to innovative uses in materials science, pharmaceuticals, and environmental safety.
From its application potential to the challenges it poses, this compound is a prime example of the exciting intersections between chemistry and real-world applications.

Synonyms
103-18-4
4-Amino-4'-hydroxyazobenzene
4-[(4-aminophenyl)azo]phenol
Phenol, 4-[(4-aminophenyl)azo]-
Phenol, p-((p-aminophenyl)azo)-
4-((4-Aminophenyl)azo)phenol
Azobenzene, 4-amino-4'-hydroxy-
p-((p-Aminophenyl)azo)phenol
4-[(4-aminophenyl)diazenyl]phenol
Phenol, 4-((4-aminophenyl)azo)-
4'-HYDROXY-4-AMINOAZOBENZENE
4-[(4-aminophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one
4-((4-Aminophenyl)diazenyl)phenol
56EH61562Q
NSC-127114
Phenol, 4-(2-(4-aminophenyl)diazenyl)-
p-[(p-Aminophenyl)azo]phenol
Phenol, p-[(p-aminophenyl)azo]-
HSDB 5350
EINECS 203-085-4
NSC 127114
UNII-56EH61562Q
WLN: ZR DNUNR DQ
4-hydroxy-4'-aminoazobenzene
81944-72-1
SCHEMBL8654485
DTXSID7059270
DTXSID901043571
AAA10318
AC9555
MFCD01707824
NSC127114
4-AMINO-4?-HYDROXYAZOBENZENE
(E)-4-((4-aminophenyl)diazenyl)phenol
SY263557
DB-228975
4'-HYDROXY-4-AMINOAZOBENZENE [HSDB]
4-[(1E)-2-(4-Aminophenyl)diazenyl]phenol
NS00041337
4-Amino-4 inverted exclamation mark -hydroxyazobenzene
Q27261401