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Acid Orange 7

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Identification
Molecular formula
C17H13N2O4S
CAS number
633-96-5
IUPAC name
5-[4-[4-[2,6-diamino-3-methyl-5-(4-sulfophenyl)azo-phenyl]azophenyl]phenyl]azo-2-hydroxy-benzoic acid
State
State

At room temperature, Acid Orange 7 is in the form of a solid powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
200.00
Boiling point (Kelvin)
473.00
General information
Molecular weight
452.37g/mol
Molar mass
452.3700g/mol
Density
1.5400g/cm3
Appearence

Acid Orange 7 is a reddish-orange powder. It is typically used as a dye and has a vibrant coloration that makes it easily recognizable.

Comment on solubility

Solubility Characteristics

The compound 5-[4-[4-[2,6-diamino-3-methyl-5-(4-sulfophenyl)azo-phenyl]azophenyl]phenyl]azo-2-hydroxy-benzoic acid, a complex azo dye, exhibits unique solubility behavior that is influenced by its chemical structure and functional groups. Here are some key points regarding its solubility:

  • Water Solubility: Due to the presence of sulfonic acid groups, this compound is likely to be highly soluble in water. Azo dyes typically have good solubility in aqueous environments, particularly when they contain polar functional groups.
  • Solvent Compatibility: It may also display solubility in organic solvents, although the extent of solubility can vary based on the solvent polarity. Common organic solvents like ethanol or dimethyl sulfoxide (DMSO) might dissolve it effectively.
  • pH Influence: The solubility can be affected by pH changes. At alkaline pH levels, the compound may ionize further, enhancing its solubility.
  • Concentration Effects: As with many complex compounds, solubility could decrease at high concentrations due to molecular interactions leading to aggregation.

In summary, the solubility of 5-[4-[4-[2,6-diamino-3-methyl-5-(4-sulfophenyl)azo-phenyl]azophenyl]phenyl]azo-2-hydroxy-benzoic acid is predominantly facilitated by its polar functional groups, which enable effective dissolution in water and compatible solvents. However, practical application may depend on factors like pH and concentration.

Interesting facts

Interesting Facts about 5-[4-[4-[2,6-Diamino-3-methyl-5-(4-sulfophenyl)azo-phenyl]azophenyl]phenyl]azo-2-hydroxy-benzoic Acid

This compound is a fascinating example of an azo dye, known for its vibrant colors and significant applications in various industries. Azo dyes, characterized by the presence of the -N=N- azo group, are notable for their stability and vivid hues, making them widely used in textiles, food, and cosmetics. Here are some intriguing aspects of this compound:

  • Dye Properties: The compound features multiple azo groups which enhance its ability to absorb visible light, resulting in a rich coloration that is often utilized in coloring agents.
  • Biological Applications: Some azo dyes are of interest in biological studies due to their interactions with biological systems; they can serve as indicators or probes in various assays.
  • Environmental Impact: While azo dyes are valuable, some can be hazardous to the environment and may require careful handling and disposal, raising awareness of sustainability in the dye industry.
  • Structural Complexity: The molecular structure is notable for its multiple aromatic rings and functional groups, which contributes to its properties and interaction with other molecules.
  • Historical Significance: Azo dyes have a rich history in the field of chemistry, marking a significant advancement in synthetic dye production since the 19th century. This compound reflects the evolution and sophistication achieved in dye chemistry.

As a result, it is essential for chemists and industry professionals to understand both the utility and implications of using such complex compounds. The interplay between their chemical structure and their practical applications highlights the dynamic nature of dye chemistry.

Synonyms
C.I. Direct Brown 1A
25180-38-5
DTXSID201023623