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Indocyanine green

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Identification
Molecular formula
C43H47N2NaO6S2
CAS number
3599-32-4
IUPAC name
4-[2-[7-[3,3-dimethyl-1-(4-sulfobutyl)benzo[g]indol-1-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonic acid
State
State
Solid state at room temperature
Melting point (Celsius)
251.00
Melting point (Kelvin)
524.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
775.00g/mol
Molar mass
774.9960g/mol
Density
0.8900g/cm3
Appearence

Indocyanine green appears as a green powder. When dissolved, it forms a deep green-blue solution which is highly soluble in water and lipids.

Comment on solubility

Solubility of 4-[2-[7-[3,3-dimethyl-1-(4-sulfobutyl)benzo[g]indol-1-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonic acid

The compound with the formula C43H47N2NaO6S2, known as 4-[2-[7-[3,3-dimethyl-1-(4-sulfobutyl)benzo[g]indol-1-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonic acid, exhibits notable solubility characteristics that can be outlined as follows:

  • Water Solubility: This compound is expected to demonstrate good solubility in aqueous solutions due to the presence of sulfonic acid groups, which enhance hydrophilicity.
  • Polar Organic Solvents: It is likely soluble in polar organic solvents, such as methanol or ethanol, which can help stabilize the ionic components.
  • pH Influence: The solubility may vary significantly with pH levels; at lower pH values, the sulfonic acid group remains protonated, potentially increasing solubility.
  • Temperature Effects: An increase in temperature might also enhance solubility as it can provide the energy needed for molecular interactions with the solvent.

As a general note, due to its complex structure, solubility testing in various conditions is advisable to accurately determine its behavior in practical applications. Overall, the presence of ionic and polar functional groups bodes well for this compound's ability to dissolve in diverse solvents, making it versatile for various chemical processes.

Interesting facts

Exploring 4-[2-[7-[3,3-dimethyl-1-(4-sulfobutyl)benzo[g]indol-1-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-benzo[e]indol-3-yl]butane-1-sulfonic acid

This complex compound is a fascinating example of the intricate nature of synthetic organic chemistry, specifically in the realm of charged dye compounds. Often used in various high-performance applications, it boasts a unique structural composition that merits closer examination.

Key Features of the Compound:

  • Dye Applications: This compound is primarily utilized as a dye in various fields, including biology and materials science, due to its ability to fluoresce under specific wavelengths.
  • Ion Exchange Functional Groups: The presence of sulfonate groups enables this compound to participate in ion exchange processes, making it valuable in analytical chemistry.
  • Modular Structure: Its extensive structure showcases a combination of aromatic rings, which facilitates light absorption and enhances its photophysical properties.
  • Stability: The structural intricacies also provide a certain level of photostability, which is crucial for applications requiring long-lasting performance under light exposure.

In essence, the versatility and multifunctionality of this compound underscore its significance in both academic research and industrial applications. As a chemist, one might explore its properties through synthesis, structural elucidation, and application in novel materials.

As stated by esteemed chemists, "The beauty of synthetic chemistry lies in how we can manipulate molecules to create entirely new compounds with specific functionalities."

This exceptional compound serves as a testament to the artistry of chemical synthesis, blending science and creativity to yield extraordinary materials with broad implications.