Skip to main content

Disodium salt of Eosin Y

ADVERTISEMENT
Identification
Molecular formula
C20H6Br4Na2O5
CAS number
17372-87-1
IUPAC name
disodium;2-amino-5-[2-(4-amino-2-sulfonato-phenyl)vinyl]benzenesulfonate
State
State

At room temperature, Eosin Y is typically in a solid state, usually found as a powder. It is soluble in water, wherein it imparts a characteristic red or pink hue.

Melting point (Celsius)
309.00
Melting point (Kelvin)
582.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
691.86g/mol
Molar mass
0.0000g/mol
Density
0.7930g/cm3
Appearence

Eosin Y typically appears as a reddish or pinkish powder that dissolves in water to give a bright red or pink solution. The intensity of the color depends on the concentration of the dye in the solution.

Comment on solubility

Solubility of Disodium 2-amino-5-[2-(4-amino-2-sulfonato-phenyl)vinyl]benzenesulfonate

Disodium 2-amino-5-[2-(4-amino-2-sulfonato-phenyl)vinyl]benzenesulfonate, often referred to as a sulfonated dye, exhibits interesting solubility characteristics that are important for its functionality. Here’s a detailed look at its solubility:

  • Water Solubility: This compound is typically *highly soluble* in water due to the presence of multiple sulfonate groups, which greatly enhance its hydrophilicity.
  • Polar Solvents: Besides water, it is also soluble in other *polar organic solvents*, which can be advantageous in various applications.
  • Solubility in Non-Polar Solvents: In contrast, disodium 2-amino-5-[2-(4-amino-2-sulfonato-phenyl)vinyl]benzenesulfonate is *insoluble or poorly soluble* in non-polar solvents. This is a common trait among ionic compounds.
  • Temperature Effects: As temperature increases, *solubility tends to increase* as well, which is significant for its practical applications.

Due to these solubility properties, this compound finds applications in various fields, especially in dyes and biological systems, where solubility in aqueous conditions is crucial. As noted, the presence of sulfonate groups plays a pivotal role in solubility behavior, claiming its relevance in chemical and biological environments.

Interesting facts

Fascinating Insights on Disodium 2-amino-5-[2-(4-amino-2-sulfonato-phenyl)vinyl]benzenesulfonate

Disodium 2-amino-5-[2-(4-amino-2-sulfonato-phenyl)vinyl]benzenesulfonate, commonly known for its application in the field of dye chemistry, is an intriguing compound with several noteworthy characteristics. Here are some fascinating facts:

  • Versatile Applications: This compound is primarily utilized as a dye, particularly in the textile and paper industries. Its vibrant colors enhance aesthetic appeal in various materials.
  • Biological Relevance: In addition to its applications in dyes, it has shown potential in biological research, possibly due to its structural features which mimic certain biological molecules.
  • Structure and Function: The presence of sulfonate groups in its structure helps to increase its solubility in water, making it an excellent choice for formulations requiring high dispersibility.
  • Colorimetric Indicator: The unique structure of this compound allows it to act as an effective colorimetric indicator in various analytical chemistry applications, aiding in the detection of certain metal ions.

As a compound, it exemplifies the intersection of organic chemistry and practical applications, showcasing how the intricate design of molecular structures can lead to useful products that serve a broad range of industries.
Moreover, the study of such compounds encourages a deeper understanding of synthetic strategies, physical properties, and real-world applications that chemistry brings to life.