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Sodium 5,7-dinitro-8-hydroxynaphthalene-2-sulfonate

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Identification
Molecular formula
C10H5N2NaO7S
CAS number
135-54-4
IUPAC name
sodium;5,7-dinitro-8-oxido-naphthalene-2-sulfonate
State
State

At room temperature, sodium 5,7-dinitro-8-hydroxynaphthalene-2-sulfonate is typically a solid. Given its aromatic structure and the presence of sulfonate groups, it is quite stable and exists as a crystalline substance.

Melting point (Celsius)
200.00
Melting point (Kelvin)
473.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
273.15
General information
Molecular weight
371.27g/mol
Molar mass
371.2710g/mol
Density
1.8200g/cm3
Appearence

Sodium 5,7-dinitro-8-hydroxynaphthalene-2-sulfonate typically appears as a yellow to orange solid. This color is due to the presence of the nitro groups, which are known to impart vibrant hues to many aromatic compounds. The solid may be crystalline depending on its purity and method of preparation.

Comment on solubility

Solubility of Sodium 5,7-Dinitro-8-oxido-naphthalene-2-sulfonate

The solubility of sodium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate in various solvents is an intriguing aspect of its chemical behavior. This compound, characterized by its sulfonate group and nitro substituents, demonstrates the following trends:

  • Aqueous Solubility: Sodium salts generally have good solubility in water owing to the ionic nature of the sodium ion, which facilitates dissolution.
  • Polar Organic Solvents: The presence of multiple nitro and sulfonate groups may enhance solubility in polar organic solvents, making it suitable for various applications.
  • Temperature Dependence: As with many chemical compounds, solubility can increase with temperature, leading to better dissolution in warm solvents.
  • pH Influence: The solubility may be affected by the pH of the solution, potentially enhancing or diminishing its effective concentration depending on the ionic balance.

In conclusion, the solubility characteristics of sodium 5,7-dinitro-8-oxido-naphthalene-2-sulfonate can be summarized as being:

  • Highly soluble in water (due to the sodium ion),
  • Possibly soluble in polar organic solvents,
  • Affected by temperature and pH variations.

These factors make it a versatile compound for various applications in chemical synthesis and analysis.

Interesting facts

Interesting Facts about Sodium;5,7-Dinitro-8-oxido-Naphthalene-2-Sulfonate

Sodium;5,7-dinitro-8-oxido-naphthalene-2-sulfonate is a fascinating compound that falls within the realm of organic chemistry, showcasing the unique reactivity and functional versatility of naphthalene derivatives. Here are several notable points about this compound:

  • Complex Structure: The compound features a sulfonate group attached to a naphthalene ring, alongside multiple nitro groups. This complex arrangement contributes to its interesting electronic properties and potential reactivity.
  • Uses in Industry: Due to its structure, it is often employed as a dye intermediary and can play a role in the synthesis of various organic compounds, making it valuable in the chemical manufacturing sector.
  • Environmental Considerations: Like many nitro compounds, it can pose environmental concerns. The presence of nitro groups can lead to the formation of byproducts that may have implications for water systems if not properly managed in productions.
  • Research Significance: This compound is of interest in scientific research, particularly in studies involving the development of new materials and as a component in various chemical assays.
  • Unique Reactivity: The nitro substituents often enable electrophilic aromatic substitution reactions, revealing pathways to synthesize more complex organic structures.

In conclusion, sodium; 5,7-dinitro-8-oxido-naphthalene-2-sulfonate illustrates the intricacies of chemistry, where even seemingly straightforward compounds can lead to extensive applications and research opportunities. Its study not only enhances our understanding of naphthalene derivatives but also highlights the importance of chemical safety and environmental awareness in chemical innovations.