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Quinizarin

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Identification
Molecular formula
C14H8O6
CAS number
81-64-1
IUPAC name
1,4,5,8-tetrahydroxyanthracene-9,10-dione
State
State

At room temperature, quinizarin is in a solid state, presenting as crystalline powder, which contributes to its utility in the dye industry.

Melting point (Celsius)
199.00
Melting point (Kelvin)
472.15
Boiling point (Celsius)
585.00
Boiling point (Kelvin)
858.15
General information
Molecular weight
240.21g/mol
Molar mass
240.2100g/mol
Density
1.5700g/cm3
Appearence

Quinizarin appears as orange to red-brown crystals or powder. It is known for its vibrant color and is often used as a dye, providing brilliant red hues.

Comment on solubility

Solubility of 1,4,5,8-Tetrahydroxyanthracene-9,10-dione

1,4,5,8-tetrahydroxyanthracene-9,10-dione, a complex organic compound, exhibits distinctive solubility characteristics that are crucial for its application in various chemical processes. Understanding the solubility of this compound can be summarized in the following points:

  • Polar Solvents: This compound tends to be more soluble in polar solvents due to the presence of multiple hydroxyl groups which can form hydrogen bonds.
  • Non-Polar Solvents: In non-polar solvents, the compound's solubility is significantly reduced, demonstrating its hydrophilic nature.
  • pH Dependence: The solubility may vary with changes in pH, affected by the ionization of hydroxyl groups.
  • Concentration Levels: At high concentrations, precipitation may occur, indicating a limit to the compound's solubility.

In summary, the solubility of 1,4,5,8-tetrahydroxyanthracene-9,10-dione is influenced fundamentally by its molecular structure, particularly the presence of functional groups that promote interactions with solvent molecules. As noted in various studies, "the solubility behaviors are pivotal for the compound's functionality in organic systems." Understanding these solubility principles is essential for predicting the compound's behavior in chemical reactions and its practical uses.

Interesting facts

Interesting Facts about 1,4,5,8-Tetrahydroxyanthracene-9,10-dione

1,4,5,8-Tetrahydroxyanthracene-9,10-dione, often referred to as a member of the anthraquinone family, is a compound that boasts a unique structure and numerous intriguing properties. Here are some notable points:

  • Distinctive Structure: This compound is characterized by four hydroxyl (-OH) groups attached to its anthracene core, making it a fascinating subject for studies on chemical reactivity and bonding.
  • Potential Applications: Due to its structural properties, this compound may be explored for various applications such as:
    • Dyes and Pigments: The vibrant colors can lend themselves to use in textile and art applications.
    • Pharmaceuticals: Research into its biological activity could lead to new medicinal insights or therapies.
  • Environmental Considerations: Compounds like this one are often studied for their behaviors in natural systems, potentially affecting ecological dynamics.
  • Research Opportunities: The compound can serve as a model for understanding electron transfer processes, important in fields such as:
    • Organic Electronics: The study of its electronic properties could be valuable in the development of organic semiconductors.
    • Photovoltaics: Investigation of how this compound interacts with light can lead to advancements in solar energy technologies.

As a chemistry student or researcher, delving into the properties and behaviors of 1,4,5,8-tetrahydroxyanthracene-9,10-dione can not only spark curiosity but also lead to innovative applications across multiple fields of science.

Synonyms
1,4,5,8-Tetrahydroxyanthraquinone
81-60-7
1,4,5,8-tetrahydroxyanthracene-9,10-dione
9,10-Anthracenedione,1,4,5,8-tetrahydroxy-
9,10-Anthracenedione, 1,4,5,8-tetrahydroxy-
1,4,5,8-Leucotetraoxyanthraquinone
1,4,5,8-Tetrahydroxyanthrachinon
1,4,5,8-Ltoa [Russian]
ANTHRAQUINONE, 1,4,5,8-TETRAHYDROXY-
EINECS 201-365-0
1,4,5,8-Tetrahydroxy anthraquinone
1,4,5,8-tetrahydroxy-9,10-anthracenedione
E3RU79UW8G
NSC 401144
BRN 2154564
1,4,5,8-Ltoa
1,4,5,8-Tetrahydroxyanthrachinon [Czech]
1,4,5,8-tetrahydroxy-9,10-anthraquinone
NSC-401144
1,4,5,8-tetrahydroxyanthra-9,10-quinone
CHEBI:37479
DTXSID80230843
4-08-00-03684 (Beilstein Handbook Reference)
NSC401144
5,8,9,10-Tetrahydroxy-1,4-anthraquinone
UNII-E3RU79UW8G
1,5,8-Ltoa
CBDivE_015328
SCHEMBL3192484
SCHEMBL4851177
1,5,8-Tetrahydroxyanthrachinon
9, 1,4,5,8-tetrahydroxy-
CHEMBL5201761
1,5,8-Leucotetraoxyanthraquinone
DTXCID10153334
Anthraquinone,4,5,8-tetrahydroxy-
1,4,5,8-Tetrahydroxy-anthraquinone
STK238461
AKOS002384347
AC-14436
4,5,8,9-tetrahydroxy-1,10-anthraquinone
WLN: L C666 BV IVJ DQ GQ KQ NQ
4,8,9,10-tetra-hydroxy-1,5-anthraquinone
CS-0455993
NS00038142
G78183
AB00076680-01
SR-01000200928
SR-01000200928-1
9,10-Anthracenedione, 1,4,5,8-tetrahydroxy-(9CI)
Q27117162
1,4,5,8-tetrahydroxy-9,10-dihydroanthracene-9,10-dione
201-365-0