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Congo Red

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Identification
Molecular formula
C32H22N6Na4O14S4
CAS number
573-58-0
IUPAC name
tetrasodium;1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate
State
State
At room temperature, Congo Red is a solid in the form of a powder. It is typically marketed in this form for use in various industrial applications.
Melting point (Celsius)
357.15
Melting point (Kelvin)
630.30
Boiling point (Celsius)
369.15
Boiling point (Kelvin)
642.30
General information
Molecular weight
696.67g/mol
Molar mass
696.6650g/mol
Density
0.9912g/cm3
Appearence

Congo Red is an orangey-red powder that is insoluble in water but soluble in organic solvents like acetone. It is known for its use as a fabric dye and as a pH indicator in chemical applications. Congo Red changes color from red to blue in acidic environments.

Comment on solubility

Solubility of Tetrasodium 1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate

The solubility of tetrasodium 1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate is significantly influenced by its structural attributes and ionic nature. Being a sodium salt of a disulfonic acid, it showcases properties typical of ionic compounds, particularly in aqueous environments. Here are some key points regarding its solubility:

  • High Solubility: The presence of four sodium ions enhances its solubility in water, making it highly soluble in aqueous solutions.
  • Temperature Dependency: Like many salts, the solubility may vary with temperature. Higher temperatures tend to increase solubility for many ionic compounds.
  • pH Influence: The solubility can also be influenced by the pH of the solution; it is generally more soluble in slightly basic conditions due to reduced competition from protons.
  • Complex Formation: In certain cases, the formation of complexes with other ions or molecules in solution could either enhance or hinder solubility.
  • Applications: Its solubility characteristics make it useful in various applications, particularly in biotechnology and pharmaceuticals, where solubility plays a critical role in efficacy and delivery.

In summary, the tetrasodium 1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate showcases excellent solubility in water, primarily due to the ionization of its sulfonate groups and the presence of sodium ions, making it suitable for a range of applications where water solubility is essential.

Interesting facts

Interesting Facts about Tetrasodium 1-Phenyl-3-[4-[4-[(3-Phenyl-1,3-Disulfonato-Propyl)Amino]Phenyl]Sulfonylanilino]Propane-1,3-Disulfonate

Tetrasodium 1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate, commonly referred to as a complex sulfonated compound, is of significant interest in both academic and industrial chemistry.

Key Characteristics:

  • Bi-functional Properties: This compound acts effectively in various capacities, particularly in its roles as a surfactant and a dyeing agent.
  • Applications: It is primarily used in industries such as textiles and plastics, showcasing its versatility and utility.
  • Environmental Impact: The presence of sulfonate groups not only enhances its solubility in water but also aids in its biodegradability, making it a more environmentally friendly option compared to less soluble counterparts.
  • Research Potential: Due to its complex structure, it is often a subject of study for developing new materials with improved properties.

One of the remarkable aspects of this compound is its ability to form stable colloidal solutions, crucial for the effectiveness of applications across various platforms. As noted by chemists, “the right balance of hydrophilicity and hydrophobicity in a compound can lead to innovative applications in multiple fields.” This principle is evident in the design of tetrasodium 1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate.

As researchers delve deeper into its pharmacological properties, there is a growing interest in the compound's potential uses in drug delivery systems as well, thanks to its structural characteristics. Thus, the exploration of tetrasodium 1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonato-propyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate continues to hold promise for future innovations in science and technology.

Synonyms
SOLASULFONE
Sulfetrone
Solapsone
Solasulfona
Solasulfone [INN]
133-65-3
Sulphetrone
Solapsone [DCIT]
Solasulfonum
Solasulphone
phenopryldiasulfone sodium
Phenopryldiasulfone sodique
Solasulfonum [INN-Latin]
Solasulfona [INN-Spanish]
EINECS 205-116-7
UNII-H12JE4313S
H12JE4313S
SOLASULFONE [MI]
SOLAPSONE [MART.]
4,4'-Diamino-diphenyl-sulfon-di-(3-phenyl-propan-1,3-disulfonat)natrium (1:4) [German]
Solasulfonum (INN-Latin)
SOLAPSONE (MART.)
4,4'-Diamino-diphenyl-sulfon-di-(3-phenyl-propan-1,3-disulfonat)natrium (1:4)
Solasulfona (INN-Spanish)
1,3-Propanedisulfonic acid, 1,1'-(sulfonylbis(p-phenyleneimino))bis(3-phenyl-, tetrasodium salt
tetrasodium;1-phenyl-3-[4-[4-[(3-phenyl-1,3-disulfonatopropyl)amino]phenyl]sulfonylanilino]propane-1,3-disulfonate
TETRASODIUM SALT OF 1,1'-(SULFONYLBIS(P-PHENYLIMINO)BIS-(3-PHENYL-1,3-PROPANEDISULFONIC ACID)
soliusulfon
sulusulfone
Phenprofon
Solasulfon
Cimedone
CHEMBL2106031
DTXSID50927894
WAGUNVVOQBKLDL-UHFFFAOYSA-J
RP3668
Tetrasodium salt of 1,1'-(sulfonylbis(p-phenylimino))bis-(3-phenyl-1,3-propanedisulfonic acid)
NS00041592
Q7557110
1,1'-(sulfonylbis(p-phenyleneimino))bis(3-phenyl- 1,3-propanedisulfonic acid) tetrasodium salt
1,1'-(sulfonylbis(p-phenyleneimino))bis(3-phenyl-1,3-propanedisulfonic acid) tetrasodium salt
205-116-7
Sodium 3,3'-((sulfonylbis(4,1-phenylene))bis(azanediyl))bis(1-phenylpropane-1,3-disulfonate)