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Canthaxanthin

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Identification
Molecular formula
C40H52O2
CAS number
514-78-3
IUPAC name
10-(3a,6,6,9a-tetramethyl-2,7-dioxo-4,5,5a,8,9,9b-hexahydro-1H-cyclopenta[a]naphthalen-3-ylidene)-2,6-dimethyl-undeca-2,4,6,8-tetraenoic acid
State
State

At room temperature, canthaxanthin is typically found in a solid state, specifically as a crystalline powder. It is known for being stable when stored properly, away from light and heat, to prevent degradation and loss of its intense coloration.

Melting point (Celsius)
210.00
Melting point (Kelvin)
483.15
Boiling point (Celsius)
769.50
Boiling point (Kelvin)
1 042.65
General information
Molecular weight
564.87g/mol
Molar mass
564.8730g/mol
Density
1.5240g/cm3
Appearence

The compound is a red-orange crystalline powder. It is often used to impart coloration and can give off an intense color characteristic of many carotenoids. The crystalline structure can often be observed under a microscope, showing its distinct form and color intensity.

Comment on solubility

Solubility of 10-(3a,6,6,9a-tetramethyl-2,7-dioxo-4,5,5a,8,9,9b-hexahydro-1H-cyclopenta[a]naphthalen-3-ylidene)-2,6-dimethyl-undeca-2,4,6,8-tetraenoic acid (C40H52O2)

The solubility of complex organic compounds like 10-(3a,6,6,9a-tetramethyl-2,7-dioxo-4,5,5a,8,9,9b-hexahydro-1H-cyclopenta[a]naphthalen-3-ylidene)-2,6-dimethyl-undeca-2,4,6,8-tetraenoic acid can vary significantly based on several factors. Here are some key points to consider:

  • Polarity: Given that this compound has multiple alkyl and keto groups, its overall polarity is complex. Higher molecular weight and branching can lead to lower aqueous solubility.
  • Solvent Compatibility: This compound is likely to be more soluble in non-polar organic solvents such as hexane or ethyl acetate, rather than in water.
  • Temperature Effects: The solubility may increase with temperature, making it more feasible to dissolve in organic solvents when heated.
  • pH Influence: The acid functionality may alter solubility in basic or acidic conditions, potentially improving solubility through ionization.

In conclusion, the solubility of the compound can be described as limited, particularly in aqueous environments. As stated in chemistry, “like dissolves like,” indicating that a non-polar compound will favorably dissolve in non-polar solvents. Therefore, understanding the specific solubility behavior of 10-(3a,6,6,9a-tetramethyl-2,7-dioxo-4,5,5a,8,9,9b-hexahydro-1H-cyclopenta[a]naphthalen-3-ylidene)-2,6-dimethyl-undeca-2,4,6,8-tetraenoic acid requires careful consideration of its structural characteristics and the solvent used.

Interesting facts

Exploring 10-(3a,6,6,9a-tetramethyl-2,7-dioxo-4,5,5a,8,9,9b-hexahydro-1H-cyclopenta[a]naphthalen-3-ylidene)-2,6-dimethyl-undeca-2,4,6,8-tetraenoic acid

This intriguing compound, known for its complex structure, reveals interesting aspects that can captivate both scientists and students alike.

Structural Complexity

The dimethyl-undeca-2,4,6,8-tetraenoic acid backbone highlights the compound's polyunsaturated character, making it a notable example in organic chemistry. Its intricate molecular architecture supports various functional groups, facilitating unique reactivity.

Chemical Significance

  • Potential Natural Product: This compound showcases structural elements often found in bioactive natural products, suggesting a possible role in pharmacology and organic synthesis.
  • Bioactivity: The presence of multiple rings and functionalized carbons indicates that this molecule could exhibit interesting biological activities or interactions, making it a candidate for drug discovery.
  • Reactivity: The conjugated double bonds within the molecular framework may lead to various chemical transformations, enhancing the compound's relevance in synthetic organic chemistry.

Interesting Trivia

In the world of chemistry, the use of such complex names can often draw attention to the compound's synthetic challenges. The multitude of steps required to synthesize such a molecule can be a testament to the ingenuity of chemists. The name itself is a reflection of the compound's intricate nature, providing a glimpse into its elaborate synthesis and potential applications.

In conclusion, 10-(3a,6,6,9a-tetramethyl-2,7-dioxo-4,5,5a,8,9,9b-hexahydro-1H-cyclopenta[a]naphthalen-3-ylidene)-2,6-dimethyl-undeca-2,4,6,8-tetraenoic acid not only serves as a classic example of a complex organic molecule but also stands as a reminder of the endless possibilities that lie within the realm of chemistry. As one quote aptly puts it, "In chemistry, curiosity opens doors to new realms of understanding."