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Alizarin Red S

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Identification
Molecular formula
C14H7NaO7S
CAS number
72-48-0
IUPAC name
3,6-bis[(2-arsonophenyl)hydrazono]-4,5-dioxo-naphthalene-2,7-disulfonic acid
State
State

Alizarin Red S is typically a solid at room temperature, often found as a powder. It is soluble in water, which allows it to be used in various staining applications in biological and medical laboratories.

Melting point (Celsius)
360.00
Melting point (Kelvin)
633.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
342.26g/mol
Molar mass
342.2640g/mol
Density
1.1000g/cm3
Appearence

Alizarin Red S appears as a dark red crystalline powder. It is commonly used as a dye, and its color may vary slightly according to concentration and the light conditions under which it is viewed.

Comment on solubility

Solubility of 3,6-bis[(2-arsonophenyl)hydrazono]-4,5-dioxo-naphthalene-2,7-disulfonic acid

The solubility of 3,6-bis[(2-arsonophenyl)hydrazono]-4,5-dioxo-naphthalene-2,7-disulfonic acid can be influenced by several key factors. Here are some notable points regarding its solubility:

  • Polarity: This compound is likely to possess significant polar functional groups due to the presence of sulfonic acid groups, which typically enhance solubility in polar solvents, particularly water.
  • Hydrogen Bonding: The ability to form hydrogen bonds with solvents can also contribute to its solubility profile. The sulfonic acid moieties are crucial in this aspect.
  • Solvent Choice: Common solvents may include organic and aqueous mixtures, with varying degrees of effectiveness. Water is expected to be a good solvent due to the ionic characteristics induced by the sulfonic groups.
  • Temperature Effects: Increased temperatures may enhance solubility. Generally, solubility increases with temperature for many solid compounds.

In summary, while the exact solubility of this compound is dependent on specific conditions, one could reasonably infer that its polar nature and functional groups favor solubility in aqueous environments. It is essential to consider these factors when anticipating how 3,6-bis[(2-arsonophenyl)hydrazono]-4,5-dioxo-naphthalene-2,7-disulfonic acid will behave in various chemical scenarios.

Interesting facts

Exploring 3,6-bis[(2-arsonophenyl)hydrazono]-4,5-dioxo-naphthalene-2,7-disulfonic acid

This compound is a fascinating example of organic chemistry, reflecting the intricate nature of molecular design. Here are some intriguing aspects of this compound:

  • Complex Structure: The molecular architecture features multiple functional groups, including sulfonic acid and hydrazone linkages, highlighting its potential for various chemical interactions and applications.
  • Biological Implications: Its unique structure opens up avenues for research in medicinal chemistry, particularly in the design of targeted therapies or dyes due to its potential biocompatibility and reactivity.
  • Coordination Chemistry: The presence of arsonophenyl groups suggests that this compound may exhibit interesting coordination chemistry, potentially interacting with metal ions to form complex entities.
  • Synthetic Pathways: The synthesis of this compound could involve intricate organic reactions like condensation and sulfonation, making it a valuable example for students studying synthetic organic chemistry.
  • Colorants and Dyes: Given its aromatic structure and sulfonic acid groups, this compound could serve as a vibrant dye or indicator in various chemical applications.

In the words of a renowned chemist, "The beauty of organic compounds lies not only in their composition but in the intricate stories they tell through their interactions and applications." This compound is no exception, representing a unique intersection of organic chemistry, medicinal relevance, and industrial utility.

Overall, 3,6-bis[(2-arsonophenyl)hydrazono]-4,5-dioxo-naphthalene-2,7-disulfonic acid is a stunning example of how complexity in chemical compounds can lead to a wealth of research opportunities and practical applications.