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Aloe-emodin

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Identification
Molecular formula
C15H10O5
CAS number
481-72-1
IUPAC name
4,5,7-trihydroxy-9,10-dioxo-anthracene-1-carboxylic acid
State
State

Aloe-emodin is typically found as a solid at room temperature. It is commonly used in research and noted for its crystalline form and vibrant color.

Melting point (Celsius)
223.00
Melting point (Kelvin)
496.00
Boiling point (Celsius)
650.00
Boiling point (Kelvin)
923.00
General information
Molecular weight
270.24g/mol
Molar mass
270.2340g/mol
Density
1.5880g/cm3
Appearence

Aloe-emodin appears as a yellow-orange needle crystal. It is a solid compound known for its distinct coloration, which is due to its anthraquinone structure. This bright color is characteristic of many anthraquinone derivatives.

Comment on solubility

Solubility of 4,5,7-trihydroxy-9,10-dioxo-anthracene-1-carboxylic acid

The solubility of 4,5,7-trihydroxy-9,10-dioxo-anthracene-1-carboxylic acid, also known as a form of anthraquinone derivative, is influenced by several factors related to its chemical structure. Here are some important points to consider:

  • Polarity: This compound exhibits multiple hydroxyl (-OH) and carboxylic acid (-COOH) functional groups, which can enhance its polarity, potentially increasing solubility in polar solvents such as water.
  • Hydrogen Bonding: The presence of hydroxyl groups enables strong hydrogen bonding with solvent molecules, further contributing to its solubility.
  • Aqueous Versus Organic Solvents: While it may dissolve well in aqueous conditions due to its polar characteristics, its solubility could be limited in non-polar organic solvents.
  • Saturation Point: As with many organic compounds, exceeding a certain concentration could lead to saturation, beyond which additional amounts will not dissolve.

In summary, 4,5,7-trihydroxy-9,10-dioxo-anthracene-1-carboxylic acid shows a greater affinity for polar solvents and can exhibit noteworthy solubility characteristics especially in aqueous environments. Understanding these properties is vital for applications in various fields, such as pharmaceuticals and materials science.

Interesting facts

Interesting Facts About 4,5,7-Trihydroxy-9,10-dioxo-anthracene-1-carboxylic Acid

4,5,7-Trihydroxy-9,10-dioxo-anthracene-1-carboxylic acid, also known as alizarin, is a fascinating compound with a rich history and numerous applications in various fields. Here are some engaging facts about this remarkable chemical:

  • Historical Significance: Alizarin was first isolated from the roots of the madder plant and has been used to produce dyes since ancient times. It played a crucial role in the textile industry, especially for dyeing fabrics.
  • Natural Source: This compound is naturally found in the madder root (Rubia tinctorum), which has been used for thousands of years in traditional dyeing practices.
  • Synthetic Production: With the advancement of organic chemistry, alizarin can now be synthesized in the lab, making it more accessible for modern applications.
  • Biological Relevance: Research has shown that alizarin possesses various biological activities, including antibacterial and antioxidant properties, making it a compound of interest in pharmaceutical research.
  • Complex Structure: The compound features a unique anthraquinone structure, which contributes to its rich color and dyeing capabilities, as well as complex interactions in biochemical systems.
  • Color Properties: As a dye, alizarin produces a beautiful red color, which is why it has been extensively utilized in art and fabric industries, creating vibrant and long-lasting colors.

In summary, 4,5,7-trihydroxy-9,10-dioxo-anthracene-1-carboxylic acid is not just a chemical compound; it is a vibrant piece of cultural heritage with significant implications in both historical and contemporary contexts. Its multifaceted properties continue to inspire scientists and artists alike.

Synonyms
4,5,7-trihydroxy-9,10-dioxo-9,10-dihydroanthracene-1-carboxylic acid
EMODICACID
478-45-5
4,5,7-trihydroxy-9,10-dioxoanthracene-1-carboxylic acid
CCRIS 5311
BRN 2668609
9,10-Dihydro-4,5,7-trihydroxy-9,10-dioxoanthroic acid
DTXSID80963942
CHEBI:165183
ANTHROIC ACID, 9,10-DIHYDRO-4,5,7-TRIHYDROXY-9,10-DIOXO-
AKOS030242566
DA-52876
3-10-00-04829 (Beilstein Handbook Reference)
4,5,7-trihydroxy-9,10-diketo-anthracene-1-carboxylic acid