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Alizarin Red S

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Identification
Molecular formula
C14H7NaO7S
CAS number
130-22-3
IUPAC name
sodium;4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonate
State
State

Alizarin Red S is a solid at room temperature.

Melting point (Celsius)
290.00
Melting point (Kelvin)
563.15
Boiling point (Celsius)
690.00
Boiling point (Kelvin)
963.15
General information
Molecular weight
342.25g/mol
Molar mass
342.2540g/mol
Density
1.5000g/cm3
Appearence

Alizarin Red S typically appears as a dark red powder. It is characterized by its intense color, which is used as a dye and a stain in various applications.

Comment on solubility

Solubility of Sodium 4,8-Diamino-1,5-Dihydroxy-9,10-Dioxo-Anthracene-2-Sulfonate

The solubility of Sodium 4,8-Diamino-1,5-Dihydroxy-9,10-Dioxo-Anthracene-2-Sulfonate can be significantly influenced by several factors. Generally, compounds containing sulfonate groups tend to have improved solubility in water due to their ability to interact favorably with water molecules.

Consider the following aspects of its solubility:

  • Nature of the Compound: As a sodium salt, this compound is likely to dissolve well in aqueous solutions, breaking down into sodium ions and the corresponding anion.
  • Polarity: The presence of multiple hydroxyl (-OH) groups and amino (-NH2) groups enhances its hydrogen bonding capabilities, contributing to greater polarity.
  • Temperature Effects: Typically, an increase in temperature can facilitate increased solubility, although specific data for this compound may vary.
  • pH Influence: The solubility may also be affected by the pH of the solution, as changes in pH can alter the ionization state of the functional groups, impacting how well the compound can dissolve.

Overall, while definitive solubility data may not be readily available, the structural characteristics of Sodium 4,8-Diamino-1,5-Dihydroxy-9,10-Dioxo-Anthracene-2-Sulfonate strongly suggest that it is likely to exhibit good solubility in polar solvents such as water. This solubility is vital for its application in various fields, including pharmaceuticals and materials science.

Interesting facts

Interesting Facts about Sodium 4,8-Diamino-1,5-Dihydroxy-9,10-Dioxo-Anthracene-2-Sulfonate

Sodium 4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonate, sometimes referred to as a derivative of anthraquinone, is a fascinating compound with several significant applications in various fields of chemistry and industry.

Key Characteristics

  • Versatile Colorant: This compound is primarily used as a dye, contributing vibrant colors to textiles, inks, and plastics.
  • Biocompatibility: Its structure allows for applications in biological settings, making it a candidate for use in pharmaceuticals and biomedical materials.
  • Building Block in Synthesis: It is often employed as an intermediate in organic synthesis, providing significant versatility in chemical formula construction.

Historical Background

The discovery of compounds like this has been essential in advancing the field of organic chemistry. Anthraquinone derivatives have been extensively studied since the 19th century and have paved the way for numerous innovations in both synthetic and applied chemistry.

Environmental Concerns

While sodium 4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonate has useful properties, its production and use must be carefully managed. Here are considerations regarding its environmental impact:

  • Potential for toxicity in aquatic environments if not disposed of correctly.
  • Studies indicate a need for developing greener synthesis methods to reduce environmental footprint.

In conclusion, sodium 4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonate is a prime example of how organic compounds can straddle the line between utility and environmental responsibility. Its multifaceted applications showcase the importance of this compound in both industrial and research settings.