Skip to main content

Methylene Blue

ADVERTISEMENT
Identification
Molecular formula
C16H18ClN3S
CAS number
61-73-4
IUPAC name
[4-[[4-[benzyl(methyl)amino]phenyl]-[4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]-dimethyl-ammonium;chloride
State
State

Methylene Blue is typically a solid at room temperature. It is commonly encountered as a hydrate or a chloride salt in powder form.

Melting point (Celsius)
100.00
Melting point (Kelvin)
373.15
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.15
General information
Molecular weight
319.85g/mol
Molar mass
319.8520g/mol
Density
1.1404g/cm3
Appearence

Methylene Blue appears as a dark green powder or crystalline solid that yields a blue solution when dissolved in water. The color change from green to blue indicates its transition into the aqueous phase.

Comment on solubility

Solubility of 4-[[4-[benzyl(methyl)amino]phenyl]-[4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]-dimethyl-ammonium; chloride

This compound, characterized by its complex structure and quaternary ammonium nature, exhibits intriguing solubility properties. The solubility of quaternary ammonium compounds is significantly influenced by the presence of both hydrophobic and hydrophilic components in their molecular architecture.

Factors Influencing Solubility

  • Ionic Nature: The chloride anion contributes to its solubility in polar solvents, making it more soluble in aqueous solutions.
  • Substituents: The presence of bulky benzyl and dimethylamino groups can enhance solubility in organic solvents, increasing the compound's overall solubility profile.
  • Temperature: As with many compounds, solubility can vary with temperature; a higher temperature may enhance solubility in solvent systems.

General Observations

It is often observed that:

  • The solubility of quaternary ammonium compounds like this one is greater in polar solvents due to their ionic characteristics.
  • Conversely, they may show limited solubility in non-polar solvents, as their hydrophilic parts do not interact favorably with non-polar environments.

In conclusion, while specific solubility values for this compound may not be readily available, understanding its structural characteristics enables predictions about its solubility behavior. Its promise in various applications will depend heavily on its solubility attributes in targeted solvents.

Interesting facts

Interesting Facts About the Compound

The compound 4-[[4-[benzyl(methyl)amino]phenyl]-[4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]-dimethyl-ammonium;chloride is a fascinating example of a complex organic compound with a unique structure and potential applications. Here are some key aspects that highlight its significance:

  • Structural Complexity: The compound features multiple functional groups and a highly substituted aromatic system, which contributes to its diverse chemical reactivity. This structural complexity makes it a subject of interest in organic synthesis.
  • Potential Applications: Due to its specific characteristics, this compound could have applications in various fields, including:
    • Organic electronics, especially in the development of >conjugated polymers and materials for photonic devices.
    • Pharmaceuticals, as its unique structure may exhibit biological activity worth exploring in drug development.
  • Charge and Solubility: The presence of a quaternary ammonium group enhances its solubility in polar solvents, which is advantageous in formulations for various applications.
  • Research Interest: Scientists are increasingly focused on studying compounds like this one to understand their photophysical properties, particularly in relation to light absorption and emission, which can be crucial for applications in optoelectronic materials.

Understanding compounds such as this one not only broadens our knowledge of organic chemistry but also opens the door to innovative solutions in technology and medicine. As one scientist aptly put it, “The beauty of chemistry lies in the complexity and interconnectedness of compounds, each telling its own story through its structure and reactivity.”


Synonyms
Benzyl(4-(bis(p-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)methylammonium chloride
Benzenemethanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride
Benzyl[4-[bis[p-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]methylammonium chloride
Benzenemethanaminium, N-(4-(bis(4-(dimethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, chloride
227-772-3
5974-19-6
Brilliant violet
EINECS 227-772-3
Pentamethylbenzyl-p-rosaniline chloride
DTXSID30975151
ZMJPCIAEJKVKMQ-UHFFFAOYSA-M
AKOS000282976
NS00046678
4-({4-[BENZYL(METHYL)AMINO]PHENYL}[4-(DIMETHYLAMINO)PHENYL]METHYLIDENE)-N,N-DIMETHYLCYCLOHEXA-2,5-DIEN-1-IMINIUM CHLORIDE