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Astaxanthin

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Identification
Molecular formula
C40H52O4
CAS number
472-61-7
IUPAC name
6-hydroxy-3-[18-(4-hydroxy-2,6,6-trimethyl-3-oxo-cyclohexen-1-yl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-cyclohex-2-en-1-one
State
State

At room temperature, astaxanthin is found in a solid state, typically as a fine powder that is dark red in color.

Melting point (Celsius)
215.00
Melting point (Kelvin)
488.15
Boiling point (Celsius)
496.00
Boiling point (Kelvin)
769.15
General information
Molecular weight
596.84g/mol
Molar mass
596.8440g/mol
Density
1.1750g/cm3
Appearence

Astaxanthin appears as a dark red crystalline powder. It is known for imparting a red-orange hue and is often used in aquaculture to enhance the coloration of fish like salmon and trout. It is practically insoluble in water, making it appear as a fine, dark pigment.

Comment on solubility

Solubility of 6-hydroxy-3-[18-(4-hydroxy-2,6,6-trimethyl-3-oxo-cyclohexen-1-yl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-cyclohex-2-en-1-one (C40H52O4)

The solubility of 6-hydroxy-3-[18-(4-hydroxy-2,6,6-trimethyl-3-oxo-cyclohexen-1-yl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-cyclohex-2-en-1-one is influenced by its complex molecular structure, which incorporates both hydrophobic and polar functional groups. This unique combination leads to the following characteristics:

  • Hydrophobic Nature: The extensive hydrocarbon chains contribute to a generally low solubility in water.
  • Polar Groups: The presence of hydroxyl groups can increase solubility in polar solvents to some extent.
  • Solvent Compatibility: It is more likely to dissolve in organic solvents like ethanol, methanol, and acetone rather than in aqueous solutions.
  • Temperature Effects: Solubility may improve with increased temperature, as is common for many organic compounds.

In conclusion, while this compound exhibits limited solubility in water, it is more compatible with organic solvents, making it essential to consider the solvent choice during experimental applications. As such, understanding its solubility profile is critical for its practical utilization.

Interesting facts

Interesting Facts about 6-Hydroxy-3-[18-(4-Hydroxy-2,6,6-Trimethyl-3-Oxo-Cyclohexen-1-Yl)-3,7,12,16-Tetramethyl-Octadeca-1,3,5,7,9,11,13,15,17-Nonaenyl]-2,4,4-Trimethyl-Cyclohex-2-En-1-One

This intricate compound stands out not only due to its complex structure but also because of its potential applications in various fields. Here are some intriguing aspects:

  • Natural Sources: This compound is often derived from natural products, showcasing the beauty of nature's chemistry. It can be found in certain essential oils, contributing to their characteristic scents and properties.
  • Biological Activity: Its unique framework suggests potential biological activity, including antioxidant properties. Such compounds can play a vital role in health and wellness, potentially protecting cells from oxidative stress.
  • Medicinal Chemistry: The complexity of its molecular structure allows for extensive studies in medicinal chemistry. Researchers are exploring its potential as a lead compound for new pharmaceuticals.
  • Environmental Impact: Given its origin from plants, understanding its degradation and interactions with the environment is crucial. Compounds like this can be studied for their role in ecological systems.
  • Fragrance and Flavor: Due to its appealing aromatic properties, this compound may have applications in the formulation of perfumes and flavoring agents in the food industry.

As we delve deeper into the realm of synthetic and natural compounds, the intersection of chemistry and biology becomes increasingly prominent. The studies of such compounds not only enhance our understanding of chemical interactions but may also pave the way for innovations in therapeutics and sustainability.


Synonyms
rac-Astaxanthin
DTXSID40861975
Spectrum_001160
SpecPlus_000553
Spectrum3_001088
Spectrum4_001251
KBioGR_001802
KBioSS_001640
beta,beta-Carotene-4,4'-dione, 3,3'-dihydroxy-, (3S,3'S)-
DivK1c_006649
SCHEMBL18631580
KBio1_001593
KBio2_001640
KBio2_004208
KBio2_006776
KBio3_001956
HAA54245
NCI60_011909
6-HYDROXY-3-[18-(4-HYDROXY-2,6,6-TRIMETHYL-3-OXOCYCLOHEX-1-EN-1-YL)-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAEN-1-YL]-2,4,4-TRIMETHYLCYCLOHEX-2-EN-1-ONE