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Indigo Carmine

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Identification
Molecular formula
C16H8N2Na2O8S2
CAS number
860-22-0
IUPAC name
sodium;4-(4-acetamidoanilino)-1-amino-9,10-dioxo-anthracene-2-sulfonic acid
State
State

At room temperature, indigo carmine is typically found as a solid.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
466.36g/mol
Molar mass
466.3560g/mol
Density
1.2610g/cm3
Appearence

Indigo carmine appears as a deep blue powder that can dissolve in water to give a vivid blue solution. It has a characteristic indigo color and can appear violet under certain conditions, especially when dissolved in different media.

Comment on solubility

Solubility of Sodium 4-(4-Acetamidoanilino)-1-amino-9,10-dioxo-anthracene-2-sulfonic Acid

The solubility of Sodium 4-(4-acetamidoanilino)-1-amino-9,10-dioxo-anthracene-2-sulfonic acid is influenced by various factors due to its complex molecular structure. Understanding its solubility is crucial for its application in various chemical processes and technologies.

Key Factors Influencing Solubility:

  • Polarity: This compound is polar due to the presence of sulfonic and amine groups, which generally enhances its solubility in polar solvents such as water.
  • Temperature: Increasing the temperature can often increase the solubility of solid compounds in solvents.
  • pH Level: As a sulfonic acid, its solubility can also depend on the pH of the surrounding solution, affecting its ionization state.

In practical scenarios, this compound is likely to be more soluble in aqueous solutions compared to organic solvents, which tend to be less polar. Furthermore, the formation of complexes with metal ions or other organic molecules can also affect its solubility. Thus, it is often necessary to consider the solubility context in relation to the intended application.

Interesting facts

Interesting Facts about Sodium 4-(4-Acetamidoanilino)-1-amino-9,10-dioxo-anthracene-2-sulfonic Acid

This compound, often referred to in the context of its applications in biochemistry and analytical chemistry, is notable for several reasons:

  • Versatile Dye: This compound acts as a dye, predominantly used in biological staining procedures which allows scientists to visualize various cellular components under a microscope.
  • Fluorescence Properties: One of the most fascinating aspects of this compound is its ability to fluoresce. This characteristic makes it particularly valuable in fluorescence microscopy, enabling detailed imaging of complex biological specimens.
  • Research Applications: It is widely researched for its potential roles in drug delivery and imaging techniques, with a special focus on how it can assist in targeting specific cells or tissues.
  • pH Sensitivity: The functional groups present in this compound provide it with pH-dependent properties, making it useful for studies where acidic or basic environments can alter biological or chemical behavior.
  • Historical Significance: Compounds like this have been instrumental in the development of techniques such as fluorescence in situ hybridization (FISH), contributing significantly to the fields of genetics and molecular biology.

As the renowned chemist, Linus Pauling, once stated, "The best way to have a good idea is to have lots of ideas!" This compound exemplifies the idea of bringing together multiple functionalities in a single molecular structure, showcasing the creativity and innovation inherent in scientific research.

In conclusion, sodium 4-(4-acetamidoanilino)-1-amino-9,10-dioxo-anthracene-2-sulfonic acid is not just a compound with a complex name but a remarkable tool in the advancement of various scientific disciplines.

Synonyms
NSC366218
AKOS030242592