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Sunset Yellow FCF

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Identification
Molecular formula
C16H14N2O7S2
CAS number
2783-94-0
IUPAC name
4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonic acid
State
State
Sunset Yellow FCF is a solid at room temperature, typically handled as a powder or granules.
Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.37g/mol
Molar mass
452.3650g/mol
Density
1.4600g/cm3
Appearence

Sunset Yellow FCF typically appears as a reddish-yellow solid powder. It is known for its vibrant orange-yellow color in solution, which is why it is commonly used as a food coloring agent.

Comment on solubility

Solubility of 4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonic acid

The solubility of this complex compound can be attributed to several structural elements that influence its interaction with solvents. Generally, azo compounds can be polar due to the presence of sulfonic acid groups which tends to increase their solubility in aqueous environments. Here are some key points regarding its solubility:

  • Polar Groups: The presence of sulfonic acid groups (-SO3H) is known to enhance solubility in water, making this compound potentially soluble in polar solvents.
  • Hydroxyl Functionalities: The multiple hydroxyl (-OH) groups could lead to hydrogen bonding with water, further facilitating solubility.
  • Azo Linkages: Azo compounds often exhibit different solubility profiles based on their substituents, but the specific arrangement in this compound may enhance intermolecular interactions with polar solvents.

In summary, the solubility of 4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonic acid is significantly influenced by its polar characteristics. It is likely to be soluble in water and other polar solvents, making it a suitable candidate for various applications where solubility plays a crucial role.

Interesting facts

Interesting Facts About 4-Hydroxy-3-[4-[4-[(1-Hydroxy-4-sulfo-2-naphthyl)Azo]-3-Methoxy-Phenyl]-2-Methoxy-Phenyl]Azo-Naphthalene-1-Sulfonic Acid

This complex organic compound, often used in the dye industry, has drawn significant attention due to its intricate structure and vibrant coloring properties. Its elaborate composition showcases a synergy of functional groups and aromatic systems, making it a fascinating subject for study. Here are some remarkable insights:

  • Versatile Applications: This compound plays a crucial role in dyeing textiles, particularly because of its strong affinity for various fabric substrates, giving deeply saturated colors that are highly durable.
  • Analytical Chemistry: It is commonly employed as a dye in spectroscopy and chromatography, helping analysts to visualize elements within complex mixtures.
  • Environmental Impact: With growing environmental awareness, understanding the degradation of such dyes in wastewater treatment processes becomes increasingly crucial for sustainable practices in manufacturing.
  • Structure-Activity Relationship: The presence of multiple functional groups in its structure allows researchers to explore how these modifications affect dye performance, leading to the development of newer and more efficient dyes.
  • Color Chemistry: The compound's colorization stems from the electronic transitions within its azo and naphthalene groups, providing an excellent platform for educational demonstrations in color theory and photochemistry.
  • Health and Safety Considerations: As a molecule associated with azo compounds, awareness of potential health impacts and regulatory standards is essential for those working with it in industrial settings.

In conclusion, 4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonic acid is not just a simple dye; it serves as a bridge between art and science, providing insights into chemical behavior and applications across various industries. Understanding its multifaceted interactions highlights the importance of chemistry in both innovation and environmental stewardship.

Synonyms
Benzoazurin
NSC9615
25180-22-7
NSC638356
SCHEMBL23787721
DTXSID70859729
1-Naphthalenesulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)diazo]bis[4-hydroxy-
3,3'-[(3,3'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(diazene-2,1-diyl)]bis(4-hydroxynaphthalene-1-sulfonic acid)
4-hydroxy-3-[(E)-[4-[4-[(E)-(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo]naphthalene-1-sulfonic acid
4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-1-sulfonic acid