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Sunset Yellow FCF

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Identification
Molecular formula
C18H14N2Na2O7S2
CAS number
2783-94-0
IUPAC name
sodium;6-amino-3-[4-(4-aminophenyl)azo-2-methoxy-5-methyl-phenyl]azo-4-hydroxy-naphthalene-2-sulfonate
State
State

At room temperature, Sunset Yellow FCF is typically in a solid state as a powder or granules. These solids are usually stored and transported in airtight containers to prevent moisture uptake which might affect their quality.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.36g/mol
Molar mass
452.3560g/mol
Density
1.5300g/cm3
Appearence

Sunset Yellow FCF typically appears as an orange-red powder or granules. This synthetic chemical compound is a member of the azo dye family, which are known for their vivid colors. It is highly soluble in water, yielding a bright orange solution.

Comment on solubility

Solubility of Sodium 6-Amino-3-[4-(4-Aminophenyl)Azo-2-Methoxy-5-Methyl-Phenyl]Azo-4-Hydroxy-Naphthalene-2-Sulfonate

The solubility of sodium 6-amino-3-[4-(4-aminophenyl)azo-2-methoxy-5-methyl-phenyl]azo-4-hydroxy-naphthalene-2-sulfonate can be influenced by several factors, particularly its ionic nature and structural components. Here are some key points regarding its solubility:

  • Ionic Character: As a sodium salt, it readily dissociates in water, contributing to its solubility.
  • Functional Groups: The presence of sulfonate and hydroxyl groups enhances hydrogen bonding with water, which can increase solubility in polar solvents.
  • Polar vs. Non-polar Solvents: This compound is more likely to dissolve well in polar solvents, such as water, compared to non-polar solvents.
  • Concentration Dependency: At higher concentrations, the solubility may be limited due to precipitation effects or formation of aggregates.

In conclusion, while sodium 6-amino-3-[4-(4-aminophenyl)azo-2-methoxy-5-methyl-phenyl]azo-4-hydroxy-naphthalene-2-sulfonate shows promise for good solubility in aqueous solutions, actual solubility can depend on specific conditions such as temperature and pH levels. Always consider these factors when working with this compound.

Interesting facts

Interesting Facts about Sodium; 6-amino-3-[4-(4-aminophenyl)azo-2-methoxy-5-methyl-phenyl]azo-4-hydroxy-naphthalene-2-sulfonate

This compound, often identified by its numerous functional groups, is a striking example of a complex azo dye. Azo dyes are known for their vibrant colors and are widely utilized in various industrial applications, particularly in textiles and food products. Here are some intriguing aspects of this compound:

  • Azo Group Utilization: The azo group (-N=N-) in this compound is known for its ability to produce bright and stable colors, making it a valuable component in dye chemistry.
  • Application in Colorants: Given its chemical structure, this compound finds numerous applications in the textile industry as a dye due to its high chromaticity.
    It is also used in paints and sometimes in food products, reflecting its versatility.
  • Biological Importance: Azo dyes can sometimes exhibit biological activity. The presence of the amino groups may impart various reactions when this compound interacts with biomolecules, potentially leading to interesting pharmacological studies.
  • Environmental Considerations: The use of azo dyes raises environmental concerns, particularly regarding their biodegradability. Many researchers are focused on finding safer alternatives or methods to treat waste containing these compounds.

As a scientist or chemistry student studying this compound, it's noteworthy to remember the dual nature of its applications—utilized widely for their color and beauty, yet necessitating careful consideration of their environmental impact. Understanding the delicate balance between utility and sustainability is crucial in the ongoing evolution of chemical science.