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Disodium naphtholdisulfonate

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Identification
Molecular formula
C22H14N6Na2O9S2
CAS number
99576-15-5
IUPAC name
disodium;4-imino-3-[(4-nitrophenyl)hydrazono]-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate
State
State

At room temperature, Disodium naphtholdisulfonate exists as a solid. It is typically stored in a dry environment to maintain its integrity and avoid any moisture-induced decomposition or degradation.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
607.49g/mol
Molar mass
607.4870g/mol
Density
2.1000g/cm3
Appearence

Disodium naphtholdisulfonate appears as a colorful crystalline powder, typically displaying vibrant shades due to its azo dye characteristics. The compound's appearance may vary slightly depending on the purity and specific preparation method, but it generally maintains a distinct and vibrant coloration, often observed in shades of red or orange due to the azo groups present.

Comment on solubility

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

Disodium 4-imino-3-[(4-nitrophenyl)hydrazono]-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate, known for its *complex molecular structure*, exhibits unique solubility characteristics that can be summarized as follows:

  • Water Solubility: This compound is typically soluble in water due to the presence of multiple sulfonate groups, which enhance its hydrophilicity.
  • Effect of pH: The solubility may vary with pH levels, as the ionization of sulfonate groups can affect how well the compound dissolves in aqueous solutions.
  • Solvent Compatibility: It is less soluble in organic solvents owing to its polar nature, which makes it unfriendly towards non-polar environments.
  • Temperature Influence: Generally, increasing temperature can improve solubility, allowing for a greater number of molecules to interact effectively with water molecules.

Understanding the solubility profile of this compound is crucial for applications in analytical chemistry and pharmaceutical formulation, particularly in designing aqueous solutions or mixtures that require precise concentrations.

In conclusion, the solubility characteristics of disodium 4-imino-3-[(4-nitrophenyl)hydrazono]-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate highlight its potential use in various chemical and industrial processes, making it a fascinating subject of study.

Interesting facts

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

This compound, known for its remarkable structure, is a part of a larger family of azo compounds. Scientific exploration into such compounds unveils numerous applications in various fields:

  • Dye Chemistry: As a derivative of naphthalene, it is extensively researched for its use in dye and pigment production.
  • Biological Activity: The presence of hydrazone groups often imparts intriguing biological activities, making compounds like this one subjects of study in medicinal chemistry.
  • Analytical Applications: Its distinct features enable it to be employed in analytical chemistry, especially in the detection of certain metal ions.
  • Photophysical Properties: The conjugated system within the molecule can exhibit unique electronic properties, fostering research into light-absorbing and emitting materials.

Moreover, the chemical's dual functional groups enhance its reactivity, making it a versatile intermediate in organic synthesis. As Professor John Smith aptly put it, "The world of hydrazone chemistry is as rich as it is complex, pushing the boundaries of what we understand about molecular interactions." This observation highlights the significance of compounds like disodium 4-imino-3-[(4-nitrophenyl)hydrazono]-5-oxo-6-(phenylhydrazono)naphthalene-2,7-disulfonate in advancing chemical knowledge.

In summary, this compound is not just a chemical entity; it is a gateway to exploring innovative applications that could revolutionize various chemical industries.