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Dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate

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Identification
Molecular formula
C10H4K2N2O8S
CAS number
50847-11-5
IUPAC name
dipotassium;5,7-dinitro-8-oxido-naphthalene-2-sulfonate
State
State

At room temperature, this compound exists as a solid. It is often found in powder form and is highly stable under standard conditions.

Melting point (Celsius)
375.00
Melting point (Kelvin)
648.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
427.45g/mol
Molar mass
427.4510g/mol
Density
1.6200g/cm3
Appearence

Dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate typically appears as a yellow or light brown solid.

Comment on solubility

Solubility of Dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate

Dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate, a complex chemical compound, exhibits interesting solubility characteristics influenced by its structural properties. Generally, the solubility of such compounds can be attributed to several key factors:

  • Ionization: The presence of dipotassium ions typically enhances solubility in polar solvents, especially water. Ionization facilitates the dissociation of the compound, making it easier to dissolve.
  • Hydrophilicity: The sulfonate group (-SO3) enhances the hydrophilic nature of the compound, leading to increased solubility in aqueous solutions.
  • Temperature Dependency: Solubility can vary with temperature; often, an increase in temperature leads to higher solubility for many ionic compounds.
  • Interaction with Solvents: The solubility may also depend on the nature of the solvent used, where polar solvents like water are more effective in dissolving compounds containing ionic and polar functional groups.

In summary, *dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate* is expected to exhibit reasonable solubility in water due to its ionic components and polar characteristics. However, the exact solubility profile can vary based on the experimental conditions, including temperature and the presence of other solutes.

Interesting facts

Interesting Facts about Dipotassium 5,7-Dinitro-8-Oxido-naphthalene-2-sulfonate

Dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate is a fascinating compound that plays an important role in various scientific applications. Here are some intriguing aspects of this compound:

  • Nitro Compounds: This compound features nitro groups, which are known for their strong electron-withdrawing properties. Such groups can significantly influence the reactivity and stability of the molecule.
  • Environmental Impact: Nitro compounds are often studied for their environmental effects, especially regarding their persistence and degradation in ecosystems.
  • Potential Applications: The sulfonate group in its structure suggests potential uses in surfactant formulations, making it a point of interest in the development of cleaner and greener chemical agents.
  • Research Significance: Compounds like this one are often utilized in research studies, particularly in the fields of pharmaceuticals and materials science, due to their unique framework.
  • Analytical Chemistry: The distinct characteristics of this compound facilitate its use in analytical methods, assisting chemists in identifying and quantifying other substances within a mixture.
  • Colorimetric Reactions: Researchers often explore the colorimetric properties of nitro-naphthalene derivatives, like this compound, for use in dye and pigment industries.

In summary, dipotassium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate represents a rich area of study, with both historical significance and contemporary relevance in various fields of chemistry. As we delve deeper into its chemistry, we uncover new opportunities for innovation and application.

Synonyms
FD&C Yellow No. 2
8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid dipotassium salt
2-NAPHTHALENESULFONIC ACID, 5,7-DINITRO-8-HYDROXY-, DIPOTASSIUM SALT
2-NAPHTHALENESULFONIC ACID, 8-HYDROXY-5,7-DINITRO-, POTASSIUM SALT (1:2)
Sulfur Yellow S
FD and C Yellow No. 2
Dipotassium flavianate
Flavianic acid dipotassium salt
549-34-8
13IK41N39A
UNII-13IK41N39A
DTXSID00203392
Q27251522
2-NAPHTHALENESULFONIC ACID, 8-HYDROXY-5,7-DINITRO-, DIPOTASSIUM SALT