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Alizarin Red S

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Identification
Molecular formula
C14H8N2O8S
CAS number
130-22-3
IUPAC name
4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid
State
State

At room temperature, Alizarin Red S is typically in a solid state.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
342.28g/mol
Molar mass
342.2800g/mol
Density
2.1000g/cm3
Appearence

Alizarin Red S appears as a reddish-brown powder. It is commonly used as a stain in microscopy and histology. The compound is water-soluble in its sulfonate form, and it gives a clear, red solution upon dissolution.

Comment on solubility

Solubility of 4,8-Diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid

The solubility of 4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid can be attributed to its unique chemical structure, which includes sulfonic acid groups that enhance its interactions with polar solvents. The following aspects are important to consider when discussing its solubility:

  • Polarity: The presence of the sulfonic acid group makes this compound highly polar, facilitating its dissolution in water.
  • Hydrogen Bonding: The hydroxyl groups contribute to the capability of forming hydrogen bonds with solvent molecules, further promoting solubility.
  • pH Sensitivity: The solubility can vary significantly depending on the pH of the solution, with increased solubility at lower pH due to protonation of the amino groups.
  • Temperature Effects: As with many compounds, solubility may increase with temperature, allowing for better dissolution in warm solvents.

In summary, one could say that the solubility characteristics of this compound render it useful in various applications, especially in biochemical contexts where its polar nature is advantageous. It's often noted that "the more polar the compound, the better it interacts with water," making this sulfonic acid derivative easily soluble under appropriate conditions.

Interesting facts

Interesting Facts about 4,8-Diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonic Acid

4,8-Diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid, often abbreviated as DADS, is a noteworthy compound in the field of chemistry, particularly in organic synthesis and dye chemistry. This compound presents a fascinating structure and myriad applications that highlight its versatility.

Chemical Structure

This compound features a complex anthracene backbone with multiple functional groups that contribute to its reactivity and interactions with biological systems. Notable features include:

  • Diamine Groups: The presence of the amino groups enhances its ability to engage in various chemical reactions.
  • Hydroxy Groups: These confer solubility in water and reactivity, making the compound useful in biological systems.
  • Dioxo Groups: The carbonyl functionalities can participate in nucleophilic addition reactions.

Applications

DADS has significant implications in various fields:

  • Dyes and Pigments: It acts as a precursor for synthesizing dyes that exhibit vibrant colors.
  • Biological Studies: Due to its amino and hydroxy groups, DADS is often used in studying enzyme interactions and biochemical pathways.
  • Materials Science: It has potential applications in the development of organic semiconductors and electronic materials.

Research Insights

Recent studies have explored DADS for its:
- Antioxidant Properties: This compound may scavenge free radicals, providing a protective effect in biological systems.
- Colorimetric Applications: Its ability to change color in response to various stimuli makes it a candidate for sensor technologies.

Quote

As one researcher aptly stated, “DADS not only exemplifies the beauty of organic chemistry but also its practical relevance in our daily lives.” This research-friendly compound stands at the intersection of innovation and utility.

In summary, 4,8-diamino-1,5-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid is more than just a chemical compound; it is a testament to the interconnectivity of chemistry, biology, and material science.

Synonyms
NSC-73410
Alizarine Saphirol SE
CHEMBL435920
5138-23-8
NSC73410
NCIOpen2_008926
SCHEMBL10706301
DTXSID50274577
BDBM50195862
2-Anthracenesulfonic acid,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo-