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Sodium anthraquinone-2-sulfonate

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Identification
Molecular formula
C14H7NaO5S
CAS number
155-18-2
IUPAC name
sodium;9,10-dioxoanthracene-2-sulfonic acid
State
State

At room temperature, sodium anthraquinone-2-sulfonate is typically found in a solid state. It is generally provided as a powder due to its stable crystalline form.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
760.00
Boiling point (Kelvin)
1 033.00
General information
Molecular weight
318.27g/mol
Molar mass
318.2700g/mol
Density
1.5620g/cm3
Appearence

Sodium anthraquinone-2-sulfonate typically appears as a yellow or orange crystalline powder. Its bright coloring is due to the extended conjugated system of the anthraquinone moiety, which can absorb light in the visible range, making it useful as a dye or colorant in various applications.

Comment on solubility

Solubility of Sodium 9,10-Dioxoanthracene-2-Sulfonic Acid

Sodium 9,10-dioxoanthracene-2-sulfonic acid is a fascinating compound known for its unique structure and properties. When discussing its solubility, it’s essential to consider several key factors:

  • Solvent Compatibility: This compound is generally soluble in polar solvents such as water and alcohols, due to its sulfonic acid group, which enhances its ionic character.
  • Temperature Effects: Solubility can increase with rising temperature, making it more soluble at higher temperatures.
  • pH Influence: The solubility can vary significantly depending on the pH of the solution. Under highly acidic or alkaline conditions, solubility might be altered.
  • Structural Characteristics: The presence of the sulfonic acid group adds hydrophilicity, which assists in dissolution in aqueous environments.

It is often stated that “the chemistry of a compound is deeply interconnected with its solubility behavior.” Thus, understanding these factors is crucial for applications in various fields, including organic synthesis and dye production. The solubility of sodium 9,10-dioxoanthracene-2-sulfonic acid exemplifies how molecular structure significantly influences solubility and reactivity.

Interesting facts

Interesting Facts About Sodium 9,10-Dioxoanthracene-2-Sulfonic Acid

Sodium 9,10-dioxoanthracene-2-sulfonic acid is a fascinating compound with significant applications in various fields of chemistry and material science. Here are some compelling facts about this compound:

  • Structure and Stability: The compound features a complex polycyclic structure, which contributes to its remarkable stability and unique electronic properties.
  • Chromophore Properties: Due to its conjugated system, sodium 9,10-dioxoanthracene-2-sulfonic acid acts as an effective chromophore, exhibiting notable light-absorbing capabilities which make it useful in dye applications.
  • Role as a Dye: Commonly used as a fluorescent dye, it plays an essential role in fluorescence spectroscopy, a technique widely employed in biochemical assays and molecular imaging.
  • Industrial Applications: This compound is often utilized in the textile industry for dyeing purposes, enabling the coloration of fabrics with bright and vivid hues.
  • Reactivity: Its reactivity allows it to participate in various chemical reactions, leading to the formation of derivatives that might exhibit enhanced properties for specific applications.
  • Environmental Impact: Researchers are investigating its toxicological profile to assess the environmental safety of its usage, as compounds with aromatic structures can be persistent pollutants.

As you study sodium 9,10-dioxoanthracene-2-sulfonic acid, you may find it enlightening to explore the balance between its industrial utility and potential environmental consequences.

In summary, this compound not only showcases the beauty of chemical diversity but also emphasizes the importance of responsible chemical usage in modern applications. As the famous chemist Linus Pauling said, "Chemistry is the science of connecting the dots." Sodium 9,10-dioxoanthracene-2-sulfonic acid indeed connects the dots between chemistry, industry, and environmental stewardship.

Synonyms
Silver salt
Sodium .beta.-anthraquinonesulfonate
WLN: L C666 BV IVJ ESWQ &-NA-
1-Anthracenesulfonic acid,10-dihydro-9,10-dioxo-, sodium salt
2-Anthracenesulfonic acid,10-dihydro-9,10-dioxo-, sodium salt
NSC4757
NSC-4757
NSC215188
Q7553294