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Amaranth

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Identification
Molecular formula
C20H11N2NaO10S
CAS number
915-67-3
IUPAC name
sodium;7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonate
State
State

At room temperature, Amaranth exists as a solid. It's stable under normal conditions and typically used in its dry, powdered form for industrial purposes.

Melting point (Celsius)
120.00
Melting point (Kelvin)
393.15
Boiling point (Celsius)
450.00
Boiling point (Kelvin)
723.15
General information
Molecular weight
604.47g/mol
Molar mass
604.4700g/mol
Density
1.5300g/cm3
Appearence

Amaranth is typically presented as a reddish-brown powder, although it can appear as a dark red to purple powder. The compound is known for its use as a synthetic azo dye, providing a deep red color in applications such as food coloring, cosmetics, and pharmaceuticals.

Comment on solubility

Solubility of Sodium 7-(Dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonate

The solubility of the compound sodium 7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonate (C20H11N2NaO10S) can be evaluated based on its chemical structure and functional groups. This complex molecule presents a unique behavior in solution, which can be summarized as follows:

  • Influence of Sodium Ions: The presence of the sodium ion (Na+) often enhances solubility in polar solvents, especially water.
  • Hydroxyl Groups: The two -OH (hydroxyl) groups increase the likelihood of hydrogen bonding with water, leading to improved solubility.
  • Sulfonate Group: The sulfonate (–SO3Na) moiety increases ionic character, further promoting solute-solvent interactions in aqueous environments.

Given these factors, it can be inferred that sodium 7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonate is likely to be soluble in water, but its actual solubility may depend on factors such as:

  1. **Temperature:** Higher temperatures typically increase solubility.
  2. **pH:** The ionization of the carboxyl and sulfonate groups based on the pH can influence solubility.
  3. **Presence of Other Solvents:** The solubility may be different in non-polar or organic solvents due to the compound's complex structure.

Overall, while this compound possesses structural elements that suggest a favorable solubility profile in polar solvent systems, conducting empirical solubility tests would provide the most accurate assessment.

Interesting facts

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

Sodium 7-(dihydroxyamino)-3-oxo-4-[(1-oxo-2-naphthylidene)hydrazono]naphthalene-1-sulfonate, often referred to as a complex organic compound with significant applications, showcases a fascinating interplay of chemistry and utility. Here are some engaging points about this compound:

  • Multi-functional Chemistry: This compound contains both a naphthalene sulfonate group and an oxime linkage, which makes it a versatile building block in organic synthesis.
  • Colorimetric Applications: Its structure implies potential as a colorimetric reagent, useful for detecting various analytes in analytical chemistry.
  • Biological Relevance: The presence of the dihydroxyamino group suggests possible interactions in biological systems, potentially acting as a signaling molecule or enzyme inhibitor.
  • Chemical Diversity: The intricate arrangement of functional groups highlights the compound's capability for diverse reactions, which may include coupling reactions and electrophilic substitutions.
  • Structural Impact: The unique integration of naphthalene units contributes to its stability, which is advantageous for various applications in materials science.

Exploring compounds like this offers chemists insights into both theoretical and practical realms. As one scientist eloquently put it, "The beauty of chemistry lies in its ability to weave complexity into simplicity." Delving into such intricate compounds not only enriches our understanding of chemical interactions but also opens doors to novel applications in pharmaceuticals, environmental science, and industrial chemistry.


This compound exemplifies how chemical innovation can lead to advancements across multiple scientific fields, encouraging ongoing research and development.