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Rhodamine B

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Identification
Molecular formula
C28H31ClN2O3
CAS number
81-88-9
IUPAC name
[2-(2-chloro-6-methyl-anilino)-2-oxo-ethyl]-[2-(2,6-dimethylanilino)-2-oxo-ethyl]-dimethyl-ammonium
State
State

At room temperature, Rhodamine B is found in a solid state, typically in the form of a powder or crystalline substance. Its distinct color makes it easily recognizable in laboratory settings.

Melting point (Celsius)
210.00
Melting point (Kelvin)
483.15
Boiling point (Celsius)
585.00
Boiling point (Kelvin)
858.15
General information
Molecular weight
479.02g/mol
Molar mass
479.0190g/mol
Density
0.6106g/cm3
Appearence

Rhodamine B is a bright pink solid that is often used as a fluorescent dye. It is known for its vivid color and luminescence when exposed to light, which makes it suitable for various applications including staining and molecular biology studies.

Comment on solubility

Solubility of [2-(2-chloro-6-methyl-anilino)-2-oxo-ethyl]-[2-(2,6-dimethylanilino)-2-oxo-ethyl]-dimethyl-ammonium

The solubility of this complex compound, which contains multiple aromatic amine derivatives, can be influenced by several factors:

  • Polarity: The presence of polar functional groups such as amines and quaternary ammonium can enhance solubility in polar solvents like water.
  • Hydrogen Bonding: The potential for hydrogen bonding may contribute to increased solubility in polar solvents due to interactions with water molecules.
  • Structure: The bulky side chains of the aromatic groups may affect how easily the compound can interact with solvents.
  • pH Sensitivity: The solubility can vary with pH, as protonation of the amine groups in acidic conditions could enhance solubility.

In general, the unique structure comprising both hydrophobic and hydrophilic regions suggests that this compound may exhibit:

  • Higher solubility in organic solvents such as ethanol or acetone due to its hydrophobic aromatic portions.
  • Moderate to good solubility in aqueous solutions depending on the specific conditions and pH of the solution.

Overall, the solubility characteristics are likely to be complex and may require experimental validation to determine the exact solubility profile in various solvents.

Interesting facts

Interesting Facts about [2-(2-chloro-6-methyl-anilino)-2-oxo-ethyl]-[2-(2,6-dimethylanilino)-2-oxo-ethyl]-dimethyl-ammonium

This fascinating compound, often defined by its complex molecular structure, belongs to the class of quaternary ammonium compounds. Quaternary ammonium compounds, recognized for their unique properties, exhibit a variety of applications across multiple fields. Here are some notable aspects of this compound:

  • Versatile Applications: Due to its quaternary ammonium structure, this compound is likely involved in applications ranging from antimicrobial agents to drug delivery systems.
  • Biological Activity: The modified aniline groups in its structure often lend this compound unique biological activities, paving the way for innovations in medicinal chemistry and pharmacology.
  • Ion Exchange Properties: The presence of the dimethylammonium moiety may enhance its ion exchange capabilities, potentially useful in the purification processes in chemical laboratories.
  • Research Interest: Scientists are increasingly interested in compounds like this one for their potential to modify surfaces and improve the properties of materials, such as enhancing antifogging or antimicrobial coatings.

Furthermore, the intricate blend of chlorine and methyl substitutions hints at the compound's possible effects on chemical reactivity. As noted by experts, these substitutions can significantly alter the compound’s interaction with biological systems, highlighting the importance of designing compounds with specific properties for targeted applications.

In conclusion, the compound's complex architecture and the strategic placements of functional groups are what make it a compound of interest in ongoing chemical research. Scientists are continually exploring its capabilities, making it a promising candidate for future discoveries in organic and medicinal chemistry.