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Ponceau 4R

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Identification
Molecular formula
C20H11N2Na2O8S2
CAS number
2611-82-7
IUPAC name
disodium;3-[[4-[4-(2,4-diaminophenyl)azophenyl]phenyl]hydrazono]-4-imino-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate
State
State
At room temperature, Ponceau 4R is typically found in a solid state, often appearing as a powder.
Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.00
General information
Molecular weight
760.69g/mol
Molar mass
760.6920g/mol
Density
0.9976g/cm3
Appearence

Ponceau 4R typically appears as a red powder. It is often used in its sodium salt form, responsible for the brilliant red color it provides.

Comment on solubility

Solubility of Disodium 3-[[4-[4-(2,4-diaminophenyl)azophenyl]phenyl]hydrazono]-4-imino-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate

The solubility characteristics of this complex compound can be quite intriguing due to its structural elements. Here are some key points to consider:

  • Polarity: Due to the presence of multiple sulfonate groups, this compound is expected to have increased polarity, which typically enhances solubility in polar solvents, particularly water.
  • Hydrophilicity: The sulfonate groups contribute significantly to the compound's ability to interact with water molecules, potentially leading to good solubility levels.
  • Temperature Dependence: As with many organic compounds, solubility may vary with temperature; generally, *increased temperature* may lead to higher solubility.
  • pH Influence: The solubility can also be affected by the pH of the solution, particularly because of the presence of amine and sulfonate groups that can participate in acid-base reactions.

In summary, while direct empirical data may be limited, one could reasonably expect that this compound demonstrates considerable solubility in aqueous environments, influenced by its polar functional groups. Exploring its solubility in various solvents could yield further insights into its practical applications.

Interesting facts

Interesting Facts about Disodium 3-[[4-[4-(2,4-diaminophenyl)azophenyl]phenyl]hydrazono]-4-imino-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate

Disodium 3-[[4-[4-(2,4-diaminophenyl)azophenyl]phenyl]hydrazono]-4-imino-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate is a fascinating compound with a variety of applications, particularly in the fields of dyes and biological research. Here are some compelling points about this compound:

  • Colorful Chemistry: This compound is known for its vibrant color properties, making it an excellent choice in dye applications. Its complex structure allows it to absorb light across a range of wavelengths.
  • Biological Significance: Dyes like this one are often used as biomarkers in biological studies, helping to trace the presence of specific cells or proteins in samples.
  • Synthetic Versatility: The synthesis of this compound involves multiple steps, showcasing the creativity and innovation involved in modern organic chemistry.
  • Structure-Activity Relationship: The intricate arrangement of functional groups within the molecule allows for a detailed analysis of how structure affects the compound's effectiveness in various applications.

As a chemistry student or scientist, diving into the study of dyes such as this is an enlightening experience. Understanding these compounds not only enhances your knowledge of organic chemistry but also opens doors to advancements in fields such as medicine, biotechnology, and materials science. This compound can be a starting point for discussions on the importance of chemical properties in real-world applications.

Remember, as with any compound rich in functional groups, the reactivity and interaction with biological systems can often reveal unexpected behaviors, providing an exciting area for ongoing research and exploration!