Skip to main content

Sunset Yellow FCF

ADVERTISEMENT
Identification
Molecular formula
C16H10N2NaO4S
CAS number
2783-94-0
IUPAC name
sodium;2-hydroxy-5-(3-nitrophenyl)azo-benzoate
State
State

At room temperature, Sunset Yellow FCF is a solid. It is typically provided in its sodium salt form, which enables it to dissolve readily in water, making it useful in various applications such as food and cosmetics.

Melting point (Celsius)
100.00
Melting point (Kelvin)
373.15
Boiling point (Celsius)
315.00
Boiling point (Kelvin)
588.15
General information
Molecular weight
452.37g/mol
Molar mass
452.3680g/mol
Density
1.4600g/cm3
Appearence

Sunset Yellow FCF appears as an orange-red powder or granules. It is commonly used as a dye, characterized by its vibrant and bright hue. The compound is soluble in water, giving an orange-yellow solution.

Comment on solubility

Solubility of Sodium 2-Hydroxy-5-(3-Nitrophenyl)Azo-Benzoate

Sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate is a fascinating compound whose solubility can significantly influence its applications in various fields. Understanding its solubility helps in predicting its behavior in different environments.

Key Factors Affecting Solubility:

  • Polarity: The polar nature of the hydroxyl group (-OH) and the presence of the ionic sodium (Na+) can enhance solubility in polar solvents like water.
  • pH Sensitivity: As a derivative of an azo compound, solubility might vary with changes in pH levels, potentially affecting its ionization state.
  • Temperature: Generally, higher temperatures increase solubility, but specific analyses should be done for accuracy in this case.

It is often noted that compounds similar to sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate dissolve well in aqueous solutions due to their ionic nature. However, variations exist based on structural components. As a rule of thumb, compounds with significant aromatic systems and ionic bonds typically exhibit behavior that can lead to varied solubility profiles.

In conclusion, while sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate is expected to display good solubility in water due to its ionic nature, it is essential to conduct experimental evaluations to understand its solubility comprehensively. As the saying goes, "the devil is in the details," support your theoretical understanding with practical results.

Interesting facts

Interesting Facts About Sodium 2-Hydroxy-5-(3-Nitrophenyl)Azo-Benzoate

Sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate is a fascinating compound known for its vibrant colors and unique chemical properties. Here are some intriguing aspects:

  • Colorful Chemistry: The compound's azo group (-N=N-) is responsible for its bright hue, making it useful as a dye in various applications, particularly in the textile and food industries.
  • Applications: It is employed in the manufacturing of indicators and colorimetric sensors due to its ability to undergo reversible color changes when interacting with different substrates.
  • Biological Interest: Studies suggest that azo compounds can exhibit antibacterial properties, making sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate a candidate for research in antibacterial agents.
  • Environmental Considerations: As with many azo dyes, researchers are investigating the environmental impacts and degradation products of sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate to ensure its safe use.
  • Regulatory Status: Products containing this compound may be subject to various regulations depending on their use, particularly in food and cosmetics, highlighting the importance of understanding chemical safety.

In summary, sodium 2-hydroxy-5-(3-nitrophenyl)azo-benzoate is more than just a chemical compound; it showcases the interplay between chemistry, industry, and environmental responsibility. Its vivid color and chemical versatility make it a notable subject of study in both academic and practical contexts.