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Fluorescein dibromide

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Identification
Molecular formula
C20H2Br4Cl2K2O5
CAS number
697-64-5
IUPAC name
dipotassium;2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate
State
State

At room temperature, Fluorescein dibromide is in a solid state. It is typically found as a dry powder and should be handled with care to prevent dust generation.

Melting point (Celsius)
290.00
Melting point (Kelvin)
563.00
Boiling point (Celsius)
380.00
Boiling point (Kelvin)
653.00
General information
Molecular weight
977.54g/mol
Molar mass
981.8000g/mol
Density
2.4000g/cm3
Appearence

The compound is typically a crystalline solid that appears as a bright yellow or orange powder. Its intense coloration is due to its extended conjugated system, which is common among fluorescein derivatives. Fluorescein dibromide is often used in applications requiring fluorescent properties due to its vibrant hue and ability to emit light under UV illumination.

Comment on solubility

Solubility of Dipotassium 2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate

The solubility of dipotassium 2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate can be described as a multifaceted aspect influenced by its complex structure.

Key factors influencing solubility include:

  • Ionic Strength: Being a dipotassium salt, its ionic nature may enhance solubility in polar solvents, particularly water.
  • Hydrophobic Interactions: The bromine and chlorine substituents could contribute to decreasing solubility due to increased hydrophobicity.
  • Temperature Dependency: Like many inorganic compounds, solubility may vary with temperature, generally increasing with warmth.

This compound may exhibit limited solubility in nonpolar solvents due to its highly functionalized and polar character. It's essential to note that, while it may dissolve in certain conditions, the precise solubility can only be accurately determined through experimental data.

As a result, practitioners should be cautious and consult specific solubility data when working with this compound for practical applications.

Interesting facts

Interesting Facts about Dipotassium 2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate

Dipotassium 2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate is a fascinating compound, particularly due to its unique structure and potential applications. Here are some intriguing aspects:

  • Structure Complexity: This compound features a spiro[isobenzofuran-1,9'-xanthene] framework, highlighting its complex molecular architecture that can engage in a variety of chemical interactions.
  • Color Properties: Due to the presence of bromine and chlorine substituents, this compound may exhibit significant color properties, potentially making it useful in dyeing or pigment applications.
  • Potential Biological Applications: Compounds like this one are often studied for their biological activities. Its structural characteristics may lead to interesting pharmacological properties, including antimicrobial effects.
  • Sustainability Considerations: Being a potassium salt, its environmental impact may be lower compared to other heavy metal compounds, aligning with sustainable chemistry practices.

As researchers continue to explore compounds like this one, the balance between design, function, and sustainability becomes increasingly important. The interdisciplinary nature of studies involving dipotassium 2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diolate reflects the dynamic and evolving fields of chemistry and material science.

Synonyms
Phloxin
Acid red 98
6441-77-6
Phloxine K
Toyo Acid Phloxine
CI acid red 98
CCRIS 9133
QDW0T759T6
EINECS 229-225-4
UNII-QDW0T759T6
2,4,5,7-Tetrabromo-12,15-dichlorofluorescein, dipotassium salt
4,6-Dichloro-2',4',5',7'-tetrabromofluorescein dipotassium salt
Fluorescein, 2',4',5',7'-tetrabromo-4,7-dichloro-, dipotassium salt
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-, potassium salt (1:2)
Merck 1371
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-, potassium salt (1:2)
229-225-4
phloxine
C.I. ACID RED 98
C.I. 45405
CI 45405
Dipotassium 3,6-dichloro-2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate
Fluorescein, 4,7-dichloro-2',4',5',7'-tetrabromo-, dipotassium salt
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',3',5',7'-tetrabromo-4,7-dichloro-3',6'-dihydroxy-, dipotassium salt
dipotassium;2',4',5',7'-tetrabromo-4,7-dichloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
SCHEMBL340126
C.I. FOOD RED 92
DTXSID80912314
JBBPTUVOZCXCSU-UHFFFAOYSA-L
2',4',5',7'-Tetrabromo-4,7-tetrabromo-4,7-dichloro-3',6'-dihydrox- yspiro(isobenzofuran-1(3H)9'-(9H)xanthen)-3-one, dipotassium salt
NS00013516
2',4',5',7'-TETRABROMO-4,7-TETRABROMO-4,7-DICHLORO-3',6'- DIHYDROX- YSPIRO(ISOBENZOFURAN-1(3H)9'-(9H)XANTHEN)-3-ONE, DIPOTASSIUM SALT
Potassium 2',4',5',7'-tetrabromo-4,7-dichloro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)