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Quinizarin

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Identification
Molecular formula
C14H8O4
CAS number
81-64-1
IUPAC name
1,2,3,8-tetrahydroxy-6-methyl-anthracene-9,10-dione
State
State

At room temperature, Quinizarin is solid. It typically forms crystalline structures that are stable under normal atmospheric conditions.

Melting point (Celsius)
198.00
Melting point (Kelvin)
471.15
Boiling point (Celsius)
648.00
Boiling point (Kelvin)
921.15
General information
Molecular weight
240.21g/mol
Molar mass
240.2080g/mol
Density
1.6060g/cm3
Appearence

Quinizarin appears as an orange to red crystalline solid. It has a bright and vivid hue that makes it easily identifiable when observed visually, often used in dye applications as well.

Comment on solubility

Solubility of 1,2,3,8-Tetrahydroxy-6-methyl-anthracene-9,10-dione

1,2,3,8-Tetrahydroxy-6-methyl-anthracene-9,10-dione is a complex organic compound known for its intriguing solubility properties. Understanding the solubility can shed light on its potential applications and behavior in various environments. Here are some key points to consider:

  • Polar Solvents: This compound exhibits greater solubility in polar solvents, such as water and ethanol, due to the presence of multiple hydroxyl groups that facilitate hydrogen bonding.
  • Non-Polar Solvents: In contrast, it shows lower solubility in non-polar solvents like hexane and toluene. The hydrophobic anthracene structure does not interact favorably with non-polar media.
  • pH Sensitivity: The solubility is also influenced by the pH of the solution. Under acidic or basic conditions, the ionization of hydroxyl groups can alter the solubility profile.
  • Temperature Dependance: Temperature plays a crucial role; increased temperature often enhances solubility due to increased molecular motion and interaction.

In conclusion, when evaluating the solubility of 1,2,3,8-tetrahydroxy-6-methyl-anthracene-9,10-dione, one should consider the solvent polarity, pH conditions, and temperature to fully appreciate its behavior in different environments. Understanding these aspects is essential for predicting its reactivity and utility in various chemical applications.

Interesting facts

Interesting Facts about 1,2,3,8-Tetrahydroxy-6-methyl-anthracene-9,10-dione

1,2,3,8-Tetrahydroxy-6-methyl-anthracene-9,10-dione (often referred to in some circles as "Tetrahydroxyanthraquinone") is a fascinating compound within the anthraquinone family. Here are some intriguing aspects of this compound:

  • Structural Complexity: This compound features a polycyclic aromatic structure, which is characterized by its unique arrangement of fused benzene rings. Such structures are often found in various natural products.
  • Hydroxyl Groups: The presence of four hydroxyl (–OH) groups contributes to its reactivity and solubility properties, making it an interesting subject for studies on organic reactions.
  • Biological Significance: Compounds containing anthraquinone derivatives are known for their diverse biological activities, including antimicrobial, antitumor, and anti-inflammatory properties, which have significant implications in medicinal chemistry.
  • Coloration: Anthraquinones, including this tetrahydroxy derivative, are known for their vibrant colors, which have historically been utilized in dyeing processes. The visual appeal of such compounds provides both artistic and practical applications.
  • Applications in Organic Synthesis: Due to its functional groups, the compound can serve as a building block or intermediate in the synthesis of other complex molecules.

Quote from the Literature

As noted in recent studies, “the intricate nature of anthraquinone derivatives opens pathways for innovation in various scientific fields, from pharmacology to material science.”

In conclusion, the study of 1,2,3,8-tetrahydroxy-6-methyl-anthracene-9,10-dione not only sheds light on its chemical properties but also illuminates its potential impact across multiple domains of science.

Synonyms
7-Hydroxyemodin
10228-40-7
UNII-S6J25O71RB
CCRIS 5310
S6J25O71RB
1,2,3,8-tetrahydroxy-6-methylanthracene-9,10-dione
1,2,3,8-Tetrahydroxy-6-methylanthraquinone
DTXSID80144855
9,10-Anthracenedione, 1,2,3,8-tetrahydroxy-6-methyl-
ANTHRAQUINONE, 1,2,3,8-TETRAHYDROXY-6-METHYL-
DTXCID5067346
2-hydroyemodin
NS00094792
E88845
Q27288733
1,2,3,8-tetrahydroxy-6-methyl-anthracene-9,10-dione