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4-Phenylazophenol

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Identification
Molecular formula
C13H12N2O
CAS number
129-59-1
IUPAC name
4-methyl-2-phenylazo-phenol
State
State
4-Phenylazophenol is a solid at room temperature. It is stable under normal conditions and typically retains its solid state unless heated beyond its melting point.
Melting point (Celsius)
156.00
Melting point (Kelvin)
429.00
Boiling point (Celsius)
365.00
Boiling point (Kelvin)
638.00
General information
Molecular weight
198.25g/mol
Molar mass
198.2200g/mol
Density
1.2415g/cm3
Appearence

4-Phenylazophenol appears as a crystalline solid ranging in color from yellow to orange. It often forms needle-like crystals and may exhibit slight changes in shade depending on its precise crystalline structure and the conditions of storage or handling.

Comment on solubility

Solubility of 4-methyl-2-phenylazo-phenol

The solubility of 4-methyl-2-phenylazo-phenol can be influenced by various factors, including its molecular structure and the polarity of the solvents used. Generally, this compound exhibits limited solubility in water due to its hydrophobic characteristics.

Here are some key points regarding the solubility of 4-methyl-2-phenylazo-phenol:

  • Polar solvents: The compound is expected to dissolve better in polar organic solvents such as ethanol, acetone, or dimethyl sulfoxide (DMSO).
  • Non-polar solvents: It may also have a considerable solubility in non-polar solvents like hexane or toluene due to its aromatic structure.
  • Temperature effects: Typically, increasing the temperature can enhance solubility, leading to a greater dissolution rate in suitable solvents.

It's important to note that the actual solubility can vary based on concentration and the presence of other substances. In laboratory settings, conducting solubility tests under controlled conditions can provide more precise insights into its behavior in different solvent systems.

Interesting facts

Interesting Facts about 4-Methyl-2-phenylazo-phenol

4-Methyl-2-phenylazo-phenol is a fascinating compound that belongs to the azo dye family, known for its vibrant colors and significant applications in various fields. Here are some intriguing aspects of this compound:

  • Azo Dye Significance: Azo dyes, like 4-methyl-2-phenylazo-phenol, are characterized by the presence of the azo group (–N=N–). This feature is crucial for their ability to absorb light, making them widely used in textiles, plastics, and food industries.
  • Color Properties: The deep and bright colors of azo compounds make them essential for colorant applications. They can produce intense shades that are often stable under different environmental conditions.
  • Synthetic Versatility: The compound's structure allows for diverse synthetic pathways, making it an excellent candidate for research in organic synthesis and materials science.
  • Biological Interest: Some azo compounds have shown potential in biological applications, including usage in drug delivery systems and photodynamic therapy, leveraging their ability to generate reactive oxygen species when exposed to light.
  • Environmental Concerns: Like many azo dyes, 4-methyl-2-phenylazo-phenol raises environmental and health concerns. Certain azo compounds can release toxic aromatic amines upon degradation, necessitating careful handling and regulation.

As a scientist or chemistry student, exploring the multifaceted nature of 4-methyl-2-phenylazo-phenol opens the door to discussions about chemical safety, color theory, and synthetic chemistry. This compound serves as a reminder of the beauty and complexity inherent in the world of chemical compounds.

Synonyms
4-METHYL-2-(PHENYLAZO)PHENOL
619-117-9
2-Phenylazo-4-methylphenol
952-47-6
4-methyl-2-(phenyldiazenyl)phenol
2-Hydroxy-5-methylazobenzene
2-Phenylazo-p-cresol
4-methyl-2-phenyldiazenylphenol
Phenol, 4-methyl-2-(phenylazo)-
p-Cresol, 2-(phenylazo)-
4-Methyl-2-[(E)-phenyldiazenyl]phenol
CHEMBL5280834
C.I. 11850
NSC85564
MFCD00045788
4-Methyl-2-phenylazophenol
NCIOpen2_005061
SCHEMBL1275966
DTXSID50870816
NJOXSODFMZIZJD-CCEZHUSRSA-N
NJOXSODFMZIZJD-UHFFFAOYSA-N
ALBB-026757
4-methyl-2-[(E)-phenylazo]phenol
BBL023758
BDBM50417138
NSC 85564
NSC-85564
STL086058
AKOS000114206
AKOS025311144
Phenol,4-methyl-2-(2-phenyldiazenyl)-
AS-14278
DB-057570
CS-0458229
NS00124476
P0145
D91912
(6E)-4-methyl-6-(phenylhydrazono)cyclohexa-2,4-dien-1-one
4-methyl-6-(2-phenylhydrazin-1-ylidene)cyclohexa-2,4-dien-1-one