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C.I. Direct Red 80

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Identification
Molecular formula
C28H20O6S2
CAS number
2610-10-8
IUPAC name
2-[2-[4-[4-[2-(2-sulfophenyl)vinyl]phenyl]phenyl]vinyl]benzenesulfonic acid
State
State

This sulfonated aromatic compound is a solid at room temperature. It is often traded in its sulfate salt form to improve solubility and handling.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
190.00
Boiling point (Kelvin)
463.15
General information
Molecular weight
502.57g/mol
Molar mass
502.5720g/mol
Density
1.7800g/cm3
Appearence

This compound typically appears as a dark red solid. It might be available in powdered form for easier handling in various applications, exhibiting a deep hue characteristic of many azo dyes.

Comment on solubility

Solubility of 2-[2-[4-[4-[2-(2-sulfophenyl)vinyl]phenyl]phenyl]vinyl]benzenesulfonic acid

This compound, known as 2-[2-[4-[4-[2-(2-sulfophenyl)vinyl]phenyl]phenyl]vinyl]benzenesulfonic acid, exhibits noteworthy solubility characteristics due to its sulfonic acid functional group. The presence of the sulfonate group typically enhances the solubility of compounds in polar solvents such as water.

Consider the following key points regarding its solubility:

  • Polar Solvents: This compound is likely to be quite soluble in water and other polar solvents due to the strong ionic interactions that can occur.
  • Hydrophilicity: The sulfonic acid groups make the compound more hydrophilic, thus stabilizing the solute's interaction with the solvent.
  • pH Dependence: Its solubility might also be pH dependent, indicating that changes in pH could alter the ionization state of the sulfonic groups, affecting solubility.
  • Temperature Effects: Like many organic compounds, its solubility may increase with temperature, so higher temperatures could facilitate greater dissolution in solvent.

Overall, the combination of a large aromatic group and sulfonic acid functionality suggests that this compound can be effectively dissolved in various solvents, making it versatile for different applications.

Interesting facts

Facts about 2-[2-[4-[4-[2-(2-sulfophenyl)vinyl]phenyl]phenyl]vinyl]benzenesulfonic acid

This fascinating compound, known for its complex structure, belongs to a class of compounds that are crucial in various chemical applications, especially in the field of organic electronics. Below are some intriguing aspects of this compound:

  • Versatile Applications: This compound is primarily utilized in applications such as fluorescent dyes, which serve in biological imaging and sensing. Its unique structural properties enable it to absorb and emit light, making it essential in many photonic technologies.
  • Chemical Structure: Featuring multiple aromatic rings, the compound exhibits extensive conjugation, enhancing its photostability and color characteristics. Such a structure can lead to unique interactions in various chemical environments, contributing to its stability and reactivity.
  • Environmental Impact: The sulfonic acid group present in its structure makes this compound more soluble in water compared to non-sulfonated counterparts, affecting its environmental behavior and biological interactions. As researchers and chemists focus on sustainability, compounds like this play a pivotal role in discussions around bio-compatibility and eco-friendliness.
  • Research Interest: The compound has drawn interest in material science, especially in light-emitting devices and organic photovoltaic cells. Its ability to manipulate light and energy at the molecular level poses exciting possibilities for future technological advancements.

In summary, 2-[2-[4-[4-[2-(2-sulfophenyl)vinyl]phenyl]phenyl]vinyl]benzenesulfonic acid is not just a name of a complex compound, but a gateway to understanding the intricate dance of molecules that drive innovation in science and technology.

Synonyms
Tinopal CBS-X
38775-22-3
DTXSID7047017
C.I. Fluorescent Brightener 351
RefChem:190074
DTXCID5027017
254-121-0
4-4'-Bis(2-sulfostyryl)biphenyl
(E,E)-4,4'-bis[2-sulfostyryl]biphenyl
54351-85-8
2,2'-([1,1'-biphenyl]-4,4'-diyldivinylene)bis(benzenesulphonic) acid
2-[2-[4-[4-[2-(2-sulfophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonic acid
4,4'-Bis(2-disulfonic acid styryl)biphenyl
EINECS 254-121-0
2,2'-((1,1'-Biphenyl)-4,4'-diyldivinylene)bis(benzenesulphonic) acid
CBDivE_009015
SCHEMBL175610
CHEMBL3306821
SCHEMBL29410976
NS00090290