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Rhodamine B

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Identification
Molecular formula
C28H31N2O3Cl
CAS number
81-88-9
IUPAC name
[6-(dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium
State
State

At room temperature, Rhodamine B is a solid. It is commonly found in the form of a crystalline powder.

Melting point (Celsius)
210.00
Melting point (Kelvin)
483.15
Boiling point (Celsius)
576.90
Boiling point (Kelvin)
850.05
General information
Molecular weight
479.02g/mol
Molar mass
479.0190g/mol
Density
1.2600g/cm3
Appearence

Rhodamine B typically appears as a red to reddish-violet crystalline powder. It is known for its vibrant coloration, making it useful as a dye. This compound exhibits strong fluorescence, providing a bright pink or red hue when dissolved in solution and viewed under certain lighting conditions.

Comment on solubility

Solubility of [6-(dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium

The compound [6-(dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium, a complex organic molecule, exhibits interesting solubility characteristics influenced by its functional groups and overall molecular structure. Understanding its solubility is crucial for applications in various chemical environments.

Factors Affecting Solubility:

  • Polarity: The presence of the dimethylamino group enhances the polarity of the compound, potentially increasing its solubility in polar solvents.
  • Hydrogen Bonding: The ability to engage in hydrogen bonding can facilitate solubility in water and other protic solvents.
  • Stereochemistry: The geometric configuration affects both solubility and interactions with other molecules.

Generally, compounds similar to [6-(dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium are expected to be soluble in:

  • Polar solvents, such as water and alcohols
  • Aromatic hydrocarbons, due to their π-π stacking interactions

However, solubility can vary significantly based on concentration, temperature, and the specific solvent used. As noted in chemical literature, “solubility is not merely a function of chemical composition, but also of interactions at the molecular level.” Thus, empirical testing is advisable to fully characterize the solubility behavior of this compound in various environments.

Interesting facts

Interesting Facts about [6-(Dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium

[6-(Dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium is a fascinating compound that plays a significant role in various fields of science, particularly in organic chemistry and materials science. Below are some intriguing facts about this compound:

  • Versatile Applications: This compound is used in a variety of applications, ranging from fluorescent dyes to photovoltaic materials. Its unique structure allows it to absorb and emit light efficiently.
  • Photoactive Properties: The xanthene core contributes to the compound's photoactivity, making it an important component in organic light-emitting diodes (OLEDs) and laser dyes.
  • Stability and Reactivity: The presence of the dimethylamino group enhances stability while providing sites for possible nucleophilic reactions. This makes it a subject of study in reaction mechanism investigations.
  • Colorimetry: As a dye, it exhibits striking colorimetric properties, often making it useful in biochemical assays where visual representation of reactions is critical.
  • Structure and Function: The unique structure of this compound not only allows for diverse functionalization but also plays a crucial role in its interaction with biological systems, which presents potential for use in biomedical applications.

As students and scientists explore the vast possibilities of compounds like [6-(Dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium, they uncover new materials with innovative properties, which exemplifies the synergy between theoretical knowledge and practical application in modern chemistry.

Synonyms
3,6-bis(dimethylamino)xanthylium
pyronin Y cation
pyronin G cation
pyronin G(1+)
pyronin Y(1+)
CHEBI:90416
17817-77-5
[6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium
Pyronine G;C.I. 45005
6-(dimethylamino)-N,N-dimethyl-3H-xanthen-3-iminium
MLS001359873
SMR001224393
[6-(dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium
[6-(dimethylamino)xanthen-3-ylidene]-dimethyl-ammonium;chloride
[6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride
Pyronin G (*chloride*)
Pyronine Y (*chloride*)
Pyronin GS (*chloride*)
cid_7085
Pyronine GS (*chloride*)
Pyronine GY (*chloride*)
Pyronin Yellow (*chloride*)
SCHEMBL1263864
CHEMBL1622093
SCHEMBL12620685
BDBM83985
DTXSID90861687
KUC108640N
C.I. 45010 (*chloride*)
Xanthylium, 3,6-bis(dimethylamino)-
AKOS025311072
KSC-19-117
NCGC00247302-01
Q27162529
[6-(dimethylamino)-3-xanthenylidene]-dimethylammonium;chloride
[6-(dimethylamino)xanthen-3-ylidene]-dimethyl-azanium;chloride