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Erythrosine B

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Identification
Molecular formula
C20H6Cl4I4K2O5
CAS number
16423-68-0
IUPAC name
dipotassium;2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxo-xanthen-9-yl)benzoate
State
State

At room temperature, the compound is a solid. It is commonly encountered in its salt form, which dissolves readily in water, leading to a red-colored solution.

Melting point (Celsius)
253.00
Melting point (Kelvin)
526.00
Boiling point (Celsius)
410.00
Boiling point (Kelvin)
683.00
General information
Molecular weight
879.86g/mol
Molar mass
879.8640g/mol
Density
2.5800g/cm3
Appearence

The compound typically appears as a reddish-pink powder. It exhibits bright red fluorescence under certain conditions. In its powdered form, it is very vibrant and can also appear more magenta when in solution.

Comment on solubility

Solubility of Dipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxo-xanthen-9-yl)benzoate

The solubility of dipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxo-xanthen-9-yl)benzoate in various solvents can reveal important insights into its behavior in different environments. Generally, the solubility characteristics can be summarized as follows:

  • Aqueous Solubility: This compound is likely to exhibit limited solubility in water due to its complex structure and the presence of multiple halogen substituents, which may hinder its interaction with polar solvent molecules.
  • Organic Solvents: Conversely, it may show improved solubility in non-polar or less polar organic solvents. Compounds with large organic moieties or halogen substituents often have enhanced solubility in organic media.
  • Temperature Influence: As with many solid compounds, solubility can be temperature-dependent; increasing temperature may enhance solubility in certain solvents.
  • pH Sensitivity: The solubility could also vary with pH, making it essential to consider the pH of the solution for any practical applications.

Understanding the specific solubility profile of this compound requires careful experimentation, often involving measurements of solubility at different temperatures and in various solvents. As stated, "solubility is not just a property, but a gateway to understanding how compounds interact in a given environment."

Interesting facts

Interesting Facts about Dipotassium 2,3,4,5-Tetrachloro-6-(2,4,5,7-Tetraiodo-3-Oxido-6-Oxo-Xanthen-9-Yl)Benzoate

Dipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxo-xanthen-9-yl)benzoate is a complex chemical compound with a remarkable structure and functionality. This compound belongs to the class of dyes and pigments, often recognized for its vibrant color and diverse applications.

Chemical Characteristics

  • Dye Properties: As a dye, it exhibits strong chromophoric characteristics due to the presence of multiple halogen substituents, contributing to its vivid color.
  • Biocompatibility: Some derivatives have shown potential biocompatibility, paving the way for applications in biological imaging and sensor technology.
  • Water Solubility: The presence of the dipotassium salt form increases its solubility in water, making it more useful in various aqueous-based applications.

Applications

  • Textile Dyes: It is often utilized in the textile industry for coloring fabrics due to its stability and wash-fastness.
  • Biological Studies: Researchers are exploring its potential in biological imaging, capitalizing on its ability to bind to specific biological targets.
  • Sensor Technology: The compound may also be applied in sensors, thanks to its optical properties, which can change in response to different chemical environments.

This compound serves as a fascinating example of how complex chemical structures can yield new functionalities. As advancements in synthetic chemistry continue, we can anticipate further applications and enhancements to its utility in various fields. The synthesis and study of dipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxo-xanthen-9-yl)benzoate not only contribute to our understanding of organic chemistry but also open doors to innovative applications in technology and medicine.

Synonyms
rose bengal potassium
ROSE BENGALE B
NSC 10463
Benzoic acid, 2,3,4,5-tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-, dipotassium salt
CI 45440
4,5,6,7-TETRACHLORO-2',4',5',7'-TETRAIODOFLUORESCEIN DIPOTASSIUM SALT
4,5,6,7-TETRACHLORO-3',6'-DIHYDROXY-2',4',5',7'-TETRAIODOSPIRO(ISOBENZOFURAN-1(3H),9'-(9H)XANTHEN)-3-ONE POTASSIUM SALT (1:2)
spiro(isobenzofuran-1(3h),9'-(9h)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-, potassium salt (1:2)
spiro[isobenzofuran-1(3h),9'-[9h]xanthen]-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-, potassium salt (1:2)
Bengal rose
Rose bengale
C.I. Acid Red 94
11121-48-5
CHEBI:52261
dipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
dipotassium;2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate
C.I. 45440
24545-87-7
NSC-10463
Food red no 105
SCHEMBL24296
CHEMBL594741
C. I. ACID RED 94
AZJPTIGZZTZIDR-UHFFFAOYSA-L
DTXSID601015268
MSK179662
Q27887647