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Alizarin Red S

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Identification
Molecular formula
C14H6Na2O7S
CAS number
130-22-3
IUPAC name
sodium;3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate
State
State

At room temperature, Alizarin Red S is in a solid state, usually in powder form. It is stable under normal conditions and is widely used in laboratories and industries.

Melting point (Celsius)
260.00
Melting point (Kelvin)
533.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
342.26g/mol
Molar mass
0.0000g/mol
Density
1.9200g/cm3
Appearence

Alizarin Red S appears as an orange-red powder. It is typically available in its sodium salt form, giving it a bright, distinctive hue. This compound is known for its use in histology and as a dye for textiles and biological staining, owing to its vibrant color.

Comment on solubility

Solubility of Sodium 3,4-Dihydroxy-9,10-Dioxo-Anthracene-2-Sulfonate

The solubility of sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate exhibits interesting characteristics due to its chemical structure and functional groups. This compound, being a sodium salt, generally shows good solubility in water. Here are some points to consider regarding its solubility:

  • Water Solubility: The presence of the sulfonate group (-SO3Na) greatly enhances the compound's ability to dissolve in aqueous solutions.
  • Effect of pH: The solubility may be influenced by the pH of the solution; at neutral to alkaline conditions, the solubility is often improved.
  • Temperature Dependence: Like many compounds, increases in temperature can lead to higher solubility for sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate.
  • Solvent Interactions: While it is water-soluble, its solubility in organic solvents is generally low due to the hydrophilic nature of its functional groups.

In conclusion, sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate is primarily classified as a water-soluble compound, making it suitable for various applications in biological and chemical processes. Understanding the solubility characteristics of this compound can facilitate its use in different chemical formulations.

Interesting facts

Interesting Facts about Sodium 3,4-Dihydroxy-9,10-Dioxo-Anthracene-2-Sulfonate

Sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate, commonly referred to in the field of chemistry as a derivative of anthracene, showcases an array of unique properties and applications that make it a point of interest among scientists and students alike.

Key Characteristics:

  • Structure and Resonance: This compound features an anthracene backbone, a polycyclic aromatic hydrocarbon, which contributes to its extensive π-electron system. This property facilitates various electronic and optical applications.
  • Functional Groups: The presence of hydroxy and sulfonate groups enhances solubility in water, making this compound valuable for various chemical processes and applications.
  • Reactivity: Sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate is often used in redox reactions due to its ability to undergo oxidation and reduction, proving beneficial in synthetic organic chemistry.

Applications:

  • Analytical Chemistry: It is frequently utilized as a reagent in the detection and quantification of metal ions or as a dye in analytical applications.
  • Biochemical Studies: Researchers explore its potential in biological systems, especially concerning its role in redox biology and potential applications in medicinal chemistry.
  • Environmental Chemistry: The compound's derivatives find use in studies addressing environmental pollution, notably in the detection of polycyclic aromatic hydrocarbons.

Fun Fact:

Anthracene derivatives such as sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate are sometimes compared to the vibrant colors seen in natural dyes, often providing insight into the intersection of chemistry and art.

In conclusion, sodium 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonate stands out as a remarkable compound worthy of further exploration. Its diverse applications coupled with its intriguing chemistry open doors to endless opportunities in research and practical applications within the field.