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Indigo Carmine

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Identification
Molecular formula
C34H36N2Na2O8S2
CAS number
860-22-0
IUPAC name
sodium;4-[2-[7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonate
State
State

Indigo Carmine is in a solid state at room temperature.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
466.58g/mol
Molar mass
466.5780g/mol
Density
1.3080g/cm3
Appearence

Indigo Carmine is a dark blue to purple solid. It typically appears as a fine powder or granules and is often used as a pH indicator or dye, imparting a vibrant blue color to various substances.

Comment on solubility

Solubility of Sodium 4-[2-[7-[1,1-Dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonate

This compound, characterized by a complex structure, showcases notable features concerning its solubility, particularly in aqueous solutions. As a sulfonate derivative, it is expected to exhibit enhanced solubility due to the presence of sulfonate groups that contribute to its ionic nature.

  • Aqueous Solubility: Compounds possessing sulfonate groups are generally highly soluble in water. The polarity of the sulfonate group increases the affinity for water molecules, which facilitates dissolution.
  • Influence of Structure: The intricate structure, featuring multiple dimethyl and indole components, may affect how easily it dissolves, depending on the balance between hydrophobic and hydrophilic regions.
  • Concentration and Temperature: Like many complex organic compounds, the solubility can also vary with temperature and concentration, often increasing with higher temperatures.

In summary, while specific experimental data would provide the most accurate insights, the structural elements suggest that sodium 4-[2-[7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonate is likely to be significantly soluble in aqueous environments, benefiting from its ionic characteristics and functional groups that enhance its interactions with water.

Interesting facts

Interesting Facts about Sodium 4-[2-[7-[1,1-Dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonate

This intricate compound showcases the fascinating world of organic chemistry, particularly regarding its structure and applicability. Here are some intriguing points:

  • Structural Complexity: The compound is characterized by a multi-ring structure that includes indole units. This structural configuration contributes to its unique electronic properties and potential usefulness in various applications.
  • Potential Applications: Due to its sulfonate groups, this compound may exhibit interesting properties in biomedical applications, such as drug delivery systems or imaging agents, where solubility and bioactivity are crucial.
  • Dye Chemistry: The presence of extended conjugated systems suggests that it may be useful in dye chemistry, especially given its ability to absorb light at specific wavelengths, making it a candidate for use in fluorescent markers.
  • Research Significance: Compounds like this can be important in the study of photophysics and photochemistry, where understanding light absorption and energy transfer mechanisms is essential.

In the words of renowned chemist Linus Pauling, "The best way to have a good idea is to have lots of ideas." This compound exemplifies the intersection of creativity and chemical science, inviting further exploration into its potential.

Overall, sodium 4-[2-[7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonate stands as a testament to the elaborate and beautiful complexity of chemical compounds that scientists continually investigate.

Synonyms
Cardiogreen
Cardio-Green
Indocyanine Green (~90%)
Sodium 2-(7-(3,3-dimethyl-1-(4-sulfonatobutyl)benz(e)indolin-2-ylidene)hepta-1,3,5-trien-1-yl)-3,3-dimethyl-1-(4-sulfonatobutyl)benz[e]indolinium
Foxgreen;IC Green;Indocyanine green
MFCD00013078
GTPL4844
MOLI001001
1H-Benz[e]indolium,2-[7-[1,3-dihydro-1,1-dimethyl-3-(4-sulfobutyl)-2H-benz[e]indol-2-ylidene]-1,3,5-heptatrienyl]-1,1-dimethyl-3-(4-sulfobutyl)-, inner salt, sodiumsalt
SY075170
DB-048906
C74855
F9995-0163
sodium 4-[2-[(1E,3E,5E,7Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-2-ylidene]hepta-1,3,5-trienyl]-1,1-dimethylbenzo[e]indol-3-ium-3-yl]butane-1-sulfonate
sodium;4-[2-[7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate