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Sunset Yellow FCF

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Identification
Molecular formula
C16H10N2Na2O7S2
CAS number
2783-94-0
IUPAC name
disodium;6-acetamido-4-hydroxy-3-(4-sulfamoylphenyl)azo-naphthalene-2,7-disulfonate
State
State

Sunset Yellow FCF is a solid at room temperature. It is often sold as a powder, which is used in various applications, primarily in the food and beverage industry for coloring purposes.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.38g/mol
Molar mass
510.3950g/mol
Density
1.5800g/cm3
Appearence

Sunset Yellow FCF is an orange-red powder that is commonly used as a food coloring. It is water-soluble and imparts a distinct, vivid yellow to orange color when dissolved. It may also be available in granular form and exhibits good light and thermal stability.

Comment on solubility

Solubility of Disodium 6-acetamido-4-hydroxy-3-(4-sulfamoylphenyl)azo-naphthalene-2,7-disulfonate

Disodium 6-acetamido-4-hydroxy-3-(4-sulfamoylphenyl)azo-naphthalene-2,7-disulfonate, often referred to as a type of azo dye, exhibits notable characteristics when it comes to solubility. Generally, azo compounds like this, being highly polar due to their sulfonic acid groups, show a tendency towards greater solubility in water.

Key points about solubility:

  • Water Solubility: The presence of sulfonate groups (–SO₃Na) in the structure enhances its solubility, allowing it to dissolve readily in aqueous solutions.
  • Solvent Interactions: Polar solvents are more effective for dissolution compared to non-polar solvents due to the ionic nature of the compound.
  • pH Dependency: The solubility can be affected by the pH of the solution, as changes in pH may alter the ionization state of the sulfonic groups.
  • Concentration: At higher concentrations, the solubility may exhibit a deviation from ideality due to potential interactions among the molecules.

In summary, due to its structural features, including multiple sulfonate groups, this disodium compound is expected to be highly soluble in water, making it suitable for applications where aqueous solutions are necessary. Understanding the solubility behavior is crucial for its practical applications in fields such as dyes, pharmaceuticals, and other chemical processes.

Interesting facts

Interesting Facts about Disodium 6-Acetamido-4-Hydroxy-3-(4-Sulfamoylphenyl)Azo-Naphthalene-2,7-Disulfonate

Disodium 6-acetamido-4-hydroxy-3-(4-sulfamoylphenyl)azo-naphthalene-2,7-disulfonate is a fascinating compound that belongs to the class of azo dyes. These dyes are extensively used in various applications, particularly in the textile industry. Here are some intriguing insights into this compound:

  • Colorant Properties: Azo compounds, such as this one, are known for their vibrant colors, which arise from the azo group (–N=N–). Their ability to produce a wide spectrum of hues makes them valuable in dyeing processes.
  • Importance in Biological Studies: Compounds with sulfamoyl functional groups are often studied for their potential antibacterial and anticancer activities. This compound’s structure, with both azo and sulfamoyl groups, may provide avenues for research into medicinal applications.
  • Environmental Awareness: While azo dyes are popular for their colorfastness, there are concerns about their environmental impact. Certain azo dyes can release toxic amines under specific conditions, prompting ongoing discussions about safer alternatives in dye technology.
  • Analytical Uses: The unique functional groups in this compound make it a potential candidate for use in analytical chemistry, such as in the development of colorimetric assays, where the varying shades could indicate the presence and concentration of specific substances.
  • Historical Perspective: Azo dyes were first synthesized in the 19th century, revolutionizing the dyeing process. Today, compounds like disodium 6-acetamido-4-hydroxy-3-(4-sulfamoylphenyl)azo-naphthalene-2,7-disulfonate continue to expand the scope of colorant chemistry.

As a complex and multifaceted compound, disodium 6-acetamido-4-hydroxy-3-(4-sulfamoylphenyl)azo-naphthalene-2,7-disulfonate serves as an illuminating example of how chemical structures can transform industries and influence research, warranting further exploration.

Synonyms
AZOSULFAMIDE
Drometil
Leuconeoprontosil
Streptozon S
Neoprontosil disodium salt
Prontosil S
Streptozon II
Prontosil Soluble
Streptocid Rubrim
Neoprontosil sodium
Disodium Neoprontosil
Z69KWU34JE
disodium;6-acetamido-4-hydroxy-3-[(4-sulfamoylphenyl)diazenyl]naphthalene-2,7-disulfonate
sodium (E)-6-acetamido-4-hydroxy-3-((4-sulfamoylphenyl)diazenyl)naphthalene-2,7-disulfonate
NSC-402615
UNII-Z69KWU34JE
EINECS 205-114-6
NSC 402615
AI3-26813
SCHEMBL339326
SCHEMBL7924274
DTXSID701016233
2,7-Naphthalenedisulfonic acid, 6-(acetylamino)-3-((4-(aminosulfonyl)phenyl)azo)-4-hydroxy-, disodium salt
NS00041391
Q27295052
DISODIUM 2-(4'-SULFAMYLPHENYLAZO)-7-ACETAMIDO-1-HYDROXYNAPHTHALENE-3,6-DISULFONATE
sodium 2-(p-sulphamyl-phenylazo)-7-acetamido-1-hydroxynaphthalene-3,6-disulfonate
2,7-Naphthalenedisulfonic acid, 6-acetamido-4-hydroxy-3-((p-sulfamoylphenyl)azo)-, disodium salt
Disodium 6-(acetylamino)-3-((4-(aminosulphonyl)phenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate