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2-Phenylazobenzoic acid

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Identification
Molecular formula
C13H10N2O2
CAS number
578-64-7
IUPAC name
2-phenylazobenzoic acid
State
State

At room temperature, 2-Phenylazobenzoic acid exists as a solid. The compound is stable under standard temperature and pressure conditions.

Melting point (Celsius)
144.00
Melting point (Kelvin)
417.15
Boiling point (Celsius)
354.00
Boiling point (Kelvin)
627.15
General information
Molecular weight
242.23g/mol
Molar mass
242.2420g/mol
Density
1.3420g/cm3
Appearence

2-Phenylazobenzoic acid appears as an orange or red crystalline powder. The vibrancy of its color is due to its azo group, which is a characteristic feature of azo compounds, responsible for their vivid colors.

Comment on solubility

Solubility of 2-Phenylazobenzoic Acid

2-Phenylazobenzoic acid, a member of the azobenzene derivative family, exhibits some intriguing characteristics in terms of its solubility. Generally, the solubility of organic compounds like this one can vary widely based on several factors such as temperature, polarity, and the presence of specific solvents.

Solubility in Water

2-Phenylazobenzoic acid is slightly soluble in water. This limited solubility can be attributed to:

  • The hydrophobic aromatic rings which hinder extensive interaction with water molecules.
  • The presence of a carboxylic acid functional group (-COOH) that can form hydrogen bonds but is insufficient to overcome the hydrophobic character of the compound.

Solubility in Organic Solvents

In contrast, this compound demonstrates significantly better solubility in organic solvents. Notably:

  • Chloroform: Highly soluble due to similar nonpolar characteristics.
  • Ethyl Acetate: Good solubility due to its ability to accommodate nonpolar regions.

Understanding the solubility of 2-phenylazobenzoic acid is crucial for applications in fields such as organic synthesis, where it may be used in various chemical reactions. As a general tip, it’s essential to consider the solvent polarity when evaluating the solubility behavior of this compound in practical applications.

Interesting facts

Interesting Facts about 2-Phenylazobenzoic Acid

2-Phenylazobenzoic acid is a fascinating compound belonging to the family of azo compounds, known for their vibrant colors and diverse applications. This aromatic compound consists of a benzoic acid moiety linked to a phenyl group through an azo (–N=N–) bond. Here are some intriguing aspects of 2-phenylazobenzoic acid:

  • Dye Sensation: This compound is often used in the synthesis of azo dyes, which are prominent in the textile industry due to their bright hues and excellent stability.
  • Biological Significance: Compounds containing azo groups, including 2-phenylazobenzoic acid, have been studied for their potential biological activities, making them candidates for pharmaceutical applications.
  • Analytical Applications: Due to its chemical structure, this compound can serve as a useful reagent in analytical chemistry, especially in colorimetric assays.
  • Environmental Concerns: While azo compounds are widely used, some derivatives can be toxic or carcinogenic, leading to increased scrutiny regarding their use and disposal.
  • Scientific Research: Researchers continue to explore modifications of the azo group in compounds like 2-phenylazobenzoic acid to enhance their properties and functionality, serving various industrial and biomedical purposes.

In the words of a renowned chemist, "The beauty of azo compounds lies not only in their vibrant colors but also in their vast potential across various scientific fields." With ongoing research and innovation, 2-phenylazobenzoic acid remains a compound of considerable interest and importance in the world of chemistry.

Synonyms
2-(PHENYLAZO)BENZOIC ACID
3682-56-2
Benzoic acid, 2-(phenylazo)-
azobenzene carboxylic acid
SCHEMBL169230
UVOKEWIIBKIDIY-CCEZHUSRSA-N
2-[(E)-Phenyldiazenyl]benzoic acid #