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Indigo Carmine

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Identification
Molecular formula
C16H8N2Na2O8S2
CAS number
860-22-0
IUPAC name
disodium;2-(3-hydroxy-5-sulfo-1H-indol-2-yl)-3-oxo-indole-5-sulfonic acid
State
State

At room temperature, Indigo carmine is typically in a solid state. It remains stable under ordinary conditions but can degrade when exposed to light over time.

Melting point (Celsius)
250.00
Melting point (Kelvin)
523.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
466.36g/mol
Molar mass
466.3560g/mol
Density
0.9890g/cm3
Appearence

Indigo carmine typically appears as a deep blue powder. When dissolved in water, it forms a rich blue solution. It is known for its vibrant color and is often used in dyeing processes and as a colorant in food and pharmaceuticals.

Comment on solubility

Solubility of Disodium 2-(3-hydroxy-5-sulfo-1H-indol-2-yl)-3-oxo-indole-5-sulfonic Acid

Disodium 2-(3-hydroxy-5-sulfo-1H-indol-2-yl)-3-oxo-indole-5-sulfonic acid is a compound with certain intriguing properties regarding its solubility. Understanding the solubility of this compound can reveal important characteristics critical for its applications. Here are some key points regarding its solubility:

  • Water Solubility: This compound is expected to be highly soluble in water due to the presence of multiple sulfonic acid groups, which enhance its ionic interactions with water molecules.
  • Temperature Dependency: Solubility may increase with elevated temperatures, a common property among many organic and inorganic compounds.
  • pH Sensitivity: The solubility can also vary with pH levels; in acidic conditions, the protonation of sulfonic groups may alter its solubility characteristics.
  • Organic Solvents: Limited solubility may be observed in nonpolar organic solvents due to the ionic nature of the compound, which favors polar environments.

In summary, the solubility of this compound is a vital parameter that influences its functionality. As emphasized, the presence of sulfonic acid groups plays a significant role in promoting solubility, particularly in aqueous environments. Overall, the solubility characteristics of this compound are dictated by environmental factors such as temperature and pH.

Interesting facts

Interesting Facts about Disodium 2-(3-Hydroxy-5-sulfo-1H-indol-2-yl)-3-oxo-indole-5-sulfonic acid

Disodium 2-(3-hydroxy-5-sulfo-1H-indol-2-yl)-3-oxo-indole-5-sulfonic acid is a fascinating compound that belongs to the family of synthetic dyes and pigments, particularly known as azo dyes. Here are some intriguing points about this compound:

  • Biological Relevance: This compound is significant in biological studies as it can interact with various biomolecules, making it a valuable tool in biochemical research.
  • Environmental Impact: As with many synthetic dyes, understanding its behavior in natural ecosystems is crucial. Research into its degradation and toxicity can help assess its environmental footprint.
  • Absorption Spectra: This compound often displays vibrant colors, making it useful for applications in colorimetric assays, where the intensity of color can be measured to determine the concentration of analytes.
  • Applications in Medicine: Dyes similar to this compound are utilized in various medical applications, including as indicators in diagnostic tests, due to their colored properties.
  • Ion Characteristics: The presence of sulfonic acid groups contributes to its ionic nature, enhancing its solubility in water which is beneficial for its practical uses.

In summary, Disodium 2-(3-hydroxy-5-sulfo-1H-indol-2-yl)-3-oxo-indole-5-sulfonic acid is more than just a compound; it illustrates the intersection of chemistry with biology and environmental science, emphasizing the importance of understanding synthetic compounds in broader contexts. As research continues, its implications and applications could expand further, revealing new avenues for innovation.

Synonyms
Indigotin disulfonate sodium
SR-01000161571
SR-01000161571-1