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Eosin Y

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Identification
Molecular formula
C20H8Br4O5
CAS number
17372-87-1
IUPAC name
2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid
State
State

At room temperature, Eosin Y is a solid in the form of crystalline powder.

Melting point (Celsius)
286.00
Melting point (Kelvin)
559.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
692.01g/mol
Molar mass
692.0120g/mol
Density
1.1000g/cm3
Appearence

Eosin Y appears as a red or pink crystalline powder. It is extensively used as a staining agent in histology and microscopy.

Comment on solubility

Solubility of 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid

The solubility of 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid in various solvents is a complex topic owing to its intricate molecular structure and the presence of multiple functional groups. Here is an overview of the solubility characteristics:

  • Polarity: Due to the *hydroxyl group* and the *carboxylic acid* functional group, this compound exhibits a certain degree of polarity, which typically enhances solubility in polar solvents.
  • Solvent Interaction: It is likely soluble in alcohols and aqueous solutions but may demonstrate limited solubility in non-polar solvents due to the significant *bromine substitutions* which increase hydrophobicity.
  • Temperature Effects: Like many organic compounds, solubility can be influenced by temperature; generally, increased temperature can lead to higher solubility.
  • Complex Formation: The potential for hydrogen bonding due to the presence of multiple functional groups may allow for interaction with various solutes, resulting in enriched solubility in certain environments.

In summary, while the exact solubility of 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid can vary significantly based on conditions and solvent choice, it is reasonable to predict enhanced solubility in polar solvents due to functional group interactions. As always, empirical testing is essential for precise solubility metrics.

Interesting facts

Interesting Facts about 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid

This intriguing compound belongs to a class of chemicals known for their vibrant colors and potential applications in various fields of science and technology. Here are some noteworthy facts:

  • Origin of the Name: The name of this compound reflects its complex structure, which includes the xanthenone framework, famous for its role in dye production.
  • Applications in Dyes: It is often studied for its potential use as an organic dye in various applications, including photonic devices and sensors.
  • Research Interest: The presence of multiple bromine atoms in its structure suggests its usefulness in studies of halogenated compounds, particularly in understanding their reactivity and environmental implications.
  • Potential Biological Activities: Research indicates that compounds with similar structures may exhibit antimicrobial and anti-inflammatory properties, making them good candidates for pharmacological investigations.
  • Color and Light Absorption: Due to the extensive conjugation within its molecular framework, this compound likely displays unique optical properties, absorbing light in specific wavelengths that make it useful for electronic applications.

With such a multifaceted profile, 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid stands out not only for its chemical structure but also for its potential broad applications across different scientific domains.

Synonyms
Red 21
152-75-0
2-(2,4,5,7-Tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid
Eosin
2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxoxanthen-9-yl)benzoic acid
Aizen eosine GH
Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-
CHEMBL376503
CHEBI:86277
Tetrabromofluorescein Potassium Salt
548-26-5
2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-xanthen-9-yl)benzoic acid
NSC2087
MFCD00036189
CBChromo1_000099
Probes1_000494
Probes2_000049
CBDivE_002995
SCHEMBL574248
DTXSID8074651
Eosin yellowish (*Disodium salt*)
BDBM50206441
STL453596
AKOS040753718
C.I. Acid Red 87 (*Disodium salt*)
AS-75520
NS00010232
Q27159047
2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxo-6H-xanthen-9-yl)benzoic acid
triplet 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid