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Amaranth

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Identification
Molecular formula
C20H11N2NaO3S
CAS number
915-67-3
IUPAC name
7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonic acid
State
State

Amaranth is typically in a solid state at room temperature as it is a powder.

Melting point (Celsius)
120.00
Melting point (Kelvin)
393.15
Boiling point (Celsius)
250.00
Boiling point (Kelvin)
523.15
General information
Molecular weight
604.49g/mol
Molar mass
604.4940g/mol
Density
0.8145g/cm3
Appearence

Amaranth typically appears as a dark red to purple powder. It is an azo dye and is used for its vivid color properties. It is water soluble, which contributes to its application in food and cosmetics.

Comment on solubility

Solubility of 7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonic acid

The compound 7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonic acid (C20H11N2NaO3S) exhibits intriguing solubility characteristics due to its complex molecular structure and the presence of a sulfonic acid group.

Solubility Characteristics:

  • Water solubility: The sulfonic acid group (-SO3H) generally increases the compound's solubility in water, allowing it to ionize and interact favorably with polar solvents.
  • Solvent dependence: Solubility may vary significantly depending on the solvent used, with polar solvents often supporting higher solubility compared to non-polar solvents.
  • pH effect: The solubility can be influenced by pH levels; at lower pH values, the sulfonic acid can remain protonated, affecting the solubility dynamics.

It is also important to note that while this compound has a hydrophilic character due to its functional groups, the presence of non-polar regions in its structure may contribute to varying degrees of solubility in mixed solvents.

In summary, the solubility of 7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonic acid is largely determined by:

  1. Intermolecular interactions with solvents.
  2. The influence of pH on the ionic state of functional groups.
  3. The overall balance between hydrophobic and hydrophilic properties.

This complex interplay makes studying its solubility both challenging and fascinating!

Interesting facts

Interesting Facts about 7-(Dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonic acid

This compound is a fascinating example of a synthetic organic molecule that has drawn the attention of researchers due to its unique structural features and potential applications. Here are some intriguing insights about this compound:

  • Complex Structure: The structure of this compound features multiple functional groups, including both sulfonic acid and hydrazone moieties, which allow for a rich array of chemical reactivity.
  • Colorimetric Properties: Compounds like this one are often explored for their ability to act as chromophores, making them useful in dyes and pigments due to their vibrant color characteristics.
  • Biological Relevance: The incorporation of the naphthalene ring system is noteworthy as naphthalene derivatives have been studied for their biological activities, including antimicrobial and antitumor effects.
  • Chemical Versatility: The presence of the dihydroxyamino group suggests potential for chelation and coordination chemistry, opening pathways for complex formation with metal ions.
  • Analytical Applications: Its distinctive structure can serve as a potent reagent in various analytical methods, such as spectral analysis for the determination of metal ions in solution.

As researchers delve deeper into the properties and behaviors of this compound, they continue to uncover innovative applications across various fields including materials science, medicinal chemistry, and environmental science. The combination of naphthylidene and sulfonic acid functionalities exemplifies the creativity and ingenuity present in modern chemistry.

In the words of a renowned chemist, “The beauty of chemistry lies in its endless possibilities.” This compound is a testament to that philosophy, showcasing how structural modifications can lead to the exploration of uncharted chemical territory.