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Alizarin Red S

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Identification
Molecular formula
C14H7O7S
CAS number
130-22-3
IUPAC name
3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid
State
State

At room temperature, Alizarin Red S is typically found as a solid powder. Its powder form is convenient for weighing and dissolving in solutions for experimental use, especially for staining purposes in laboratory settings.

Melting point (Celsius)
290.00
Melting point (Kelvin)
563.00
Boiling point (Celsius)
100.00
Boiling point (Kelvin)
373.00
General information
Molecular weight
342.25g/mol
Molar mass
342.2500g/mol
Density
0.6200g/cm3
Appearence

Alizarin Red S is an orange-red powder with a slightly purplish hue. It is known for its vivid dyeing properties, often used in biological staining. The compound is often found as a sodium salt, enhancing its solubility in water.

Comment on solubility

Solubility of 3,4-Dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid

3,4-Dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid is a fascinating compound whose solubility characteristics can be quite intriguing. Due to the presence of multiple functional groups, its solubility is influenced by various factors:

  • Water Solubility: This compound is known to be quite soluble in aqueous solutions. The sulfonic acid group enhances its ability to interact with water molecules through hydrogen bonding.
  • Solvent Dependence: Its solubility can vary significantly in different solvents. For instance, while it may dissolve readily in polar solvents, its solubility in non-polar solvents is expected to be low.
  • Temperature Influence: Increasing temperature generally increases the solubility of solids in liquids. Therefore, it is likely that raising the temperature will improve the solubility of this compound in a suitable solvent.
  • pH Sensitivity: The solubility of 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid can also be influenced by the pH of the solution due to the ionization of the sulfonic acid group.

Overall, the solubility profile of this compound reveals its versatility in chemical applications, making it an interesting subject for research in areas ranging from dye chemistry to environmental science. Understanding these solubility characteristics is essential for utilizing this compound effectively in various formulations.

Interesting facts

Interesting Facts about 3,4-Dihydroxy-9,10-dioxo-anthracene-2-sulfonic Acid

3,4-Dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid, often known in the scientific realm for its role in various chemical reactions and applications, offers a fascinating glimpse into the world of organic chemistry. Here are some intriguing aspects:

  • Versatile Intermediate: This compound serves as an important intermediate in the synthesis of various dyes, particularly those used in textile manufacturing. Its unique structure facilitates numerous chemical modifications, making it a valuable building block.
  • Role in Biology: The compound's ability to interact with biological systems opens avenues for research in fields such as biochemistry and pharmaceuticals. Its derivatives may possess potential use in drug design and development due to potential biological activity.
  • Environmental Impact: As an anthraquinone derivative, this compound can also be studied for its environmental implications. Investigating how such compounds interact with ecosystems can enhance our understanding of pollutant degradation and bioaccumulation.
  • Colorimetric Applications: The presence of both hydroxy and sulfonic acid groups can make this compound suitable for colorimetric applications, allowing scientists to develop sensitive analytical methods to detect and quantify the compound in various samples.
  • Research Opportunities: Its complex molecular structure encourages extensive research opportunities, particularly in organic synthesis, materials science, and even nanotechnology, where the compound could potentially be used to create novel materials.

In summary, 3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid is a prime example of how a single compound can be deeply interconnected with various scientific disciplines, from synthetic chemistry to environmental science. As Dr. Marie Curie once said, "Nothing in life is to be feared, it is only to be understood." This compound encourages us to deepen our understanding of chemistry and its practical applications.

Synonyms
3-Alizarinsulfonic acid
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
83-61-4
Alizarin Red S free acid
1,2-Dihydroxy-3-sulfoanthraquinone
CHEBI:40863
3,4-Dihydroxy-2-anthraquinonesulfonic acid
Az-R
3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid
1,2-Dihydroxy-3-sulfonate-9,10-anthraquinone
9,10-Dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid
3,4-Dihydroxy-9,10-anthraquinone-2-sulfonic acid
27613-78-1
9A6LXA99ML
Alizarin Carmine
Alizarin S
2-Anthracenesulfonic acid, 9,10-dihydro-3,4-dihydroxy-9,10-dioxo-
3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid
PIN-077
1,2-DIHYDROXYANTHRAQUINONE-3-SULFONIC ACID
Alizarine Red A
Alizarine Red S
Alizarine Red W
Fenakrom Red W
Diamond Red W
Alizarine Red AS
Alizarine Red SW
Alizarine Red SZ
Alizarine Red WA
Alizarine Red WS
Ahcoquinone Red S
2-Anthraquinonesulfonic acid, 3,4-dihydroxy-
Carnelio Rubine Lake
Chrome Red Alizarine
Oxanal Fast Red SW
Alizarine Red Indicator
Sodium alizarinsulfonate
Mitsui Alizarine Red S
Alizarine S Extra Pure A
Alizarine Carmine Indicator
Sodium alizarin-3-sulfonate
Calcochrome Alizarine Red SC
alizarine sulfonate
NSC7796
1oar
3Alizarinsulfonic acid
Epitope ID:116192
UNII-9A6LXA99ML
1,2Dihydroxy3sulfoanthraquinone
3,4-dihydroxy-9,10-dioxo-anthracene-2-sulfonic acid
SCHEMBL1203855
CHEMBL1206015
DTXSID0052754
JKYKXTRKURYNGW-UHFFFAOYSA-N
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonicacid
BDBM50460640
3,4Dihydroxy2anthraquinonesulfonic acid
1,2Dihydroxy3sulfonate9,10anthraquinone
2Anthraquinonesulfonic acid, 3,4dihydroxy
NCI60_041718
3,4-dihydroxyanthraquinone-2-sulfonic acid
3,4Dihydroxy9,10anthraquinone2sulfonic acid
3,4Dihydroxy9,10dioxo2anthracenesulfonic acid
EN300-175290
Q27104468
2Anthracenesulfonic acid, 9,10dihydro3,4dihydroxy9,10dioxo
9,10Dihydro3,4dihydroxy9,10dioxo2anthracenesulfonic acid
ARS