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Pigment Yellow 74

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Identification
Molecular formula
C13H10N4O5
CAS number
6358-31-2
IUPAC name
4-diazenyl-N,N-dihydroxy-3-nitro-aniline
State
State

At room temperature, this compound is in a solid state. It is commonly handled as a powder for use in various industrial applications, including coatings and as a dye or pigment.

Melting point (Celsius)
243.00
Melting point (Kelvin)
516.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
291.24g/mol
Molar mass
291.2440g/mol
Density
1.6000g/cm3
Appearence

The compound appears as a yellow solid, often used as a pigment, where it is known as Pigment Yellow 74. It typically presents a bright, intense yellow color and is commonly used in inks, coatings, and paints.

Comment on solubility

Solubility of 4-diazenyl-N,N-dihydroxy-3-nitro-aniline

The solubility of 4-diazenyl-N,N-dihydroxy-3-nitro-aniline is influenced by several factors that can dictate its behavior in various solvents. Understanding these factors is crucial for applications in fields such as dye chemistry, pharmaceuticals, and materials science.

  • Polar solvents: The presence of hydroxyl (-OH) groups in its structure often implies that this compound may exhibit a degree of solubility in polar solvents. It is essential to test its solubility in water, which can be affected by temperature and pH.
  • Non-polar solvents: Conversely, the nitrogen and diazenyl functionalities may render the compound less soluble in non-polar solvents due to the lack of interaction with these solvents.
  • Temperature effects: As with many organic compounds, increased temperature may enhance solubility by providing the necessary energy for solvate interactions.
  • pH sensitivity: The ionization state of the compound in different pH environments can also impact its solubility, particularly because the amino and nitro groups can undergo protonation/deprotonation.

In summary, while definitive solubility data for 4-diazenyl-N,N-dihydroxy-3-nitro-aniline may not be readily available, understanding these factors can help predict its solubility behavior. Ultimately, empirical testing in relevant solvent systems is recommended to conclusively determine its solubility characteristics.

Interesting facts

Interesting Facts about 4-Diazenyl-N,N-Dihydroxy-3-Nitro-Aniline

4-Diazenyl-N,N-dihydroxy-3-nitro-aniline is a fascinating compound that plays a significant role in various fields, particularly in dye chemistry and pharmaceuticals. Here are some captivating aspects of this compound:

  • Biological Relevance: This compound has been studied for its potential applications in the development of pharmaceutical agents due to its unique chemical structure, which can interact with biological systems.
  • Dye Production: It is often used in the synthesis of azo dyes, which are known for their vivid colors and are widely utilized in textiles and food industries.
  • Environmental Impact: As part of the azo dye family, the environmental implications of 4-diazenyl compounds are a subject of ongoing research. Azo dyes can degrade into harmful substances under certain conditions.
  • Research Applications: The compound serves as an important marker in various analytical chemistry techniques, including UV-Vis spectrophotometry, where it acts as a chromophore, helping in the identification of other substances.
  • Structural Complexity: Its intricate structure, featuring both diazenyl and nitro groups, makes it a subject of interest in physical chemistry, where its reactions and interactions are explored.

In the words of a renowned chemist, "Understanding compounds like 4-diazenyl-N,N-dihydroxy-3-nitro-aniline opens the door to innovative applications and advanced materials science." 
Overall, this compound not only showcases the beauty and complexity of chemical science but also highlights the importance of responsible chemical use in industrial and biological applications.