Congo red

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Identification

Molecular formula
C32H22N6Na2O6S2
CAS Number
573-58-0
IUPAC Name
4-amino-3-[4-[4-[(2-hydroxy-8-sulfo-1-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonic acid
Molecular Weight
696.67g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
0.9499g/cm3
Synonyms
Direct Red 17 free acid
Interesting facts

Interesting Facts About 4-amino-3-[4-[4-[(2-hydroxy-8-sulfo-1-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonic acid

This compound, known as a highly complex azo dye, is a fascinating example of synthetic chemistry and applications in various fields. Here are some intriguing details:

  • Structure Complexity: The molecule features multiple aromatic rings and azo groups, which are characteristic of many dyes. This complexity contributes to its vibrant color properties.
  • Industrial Use: It is primarily used in the textile industry for dyeing fabrics, providing bright and lasting colors. Its stability under light and washing enhances its desirability in commercial applications.
  • Biological Interaction: Scientists are researching these types of compounds for their potential roles in biological systems, as some azo dyes possess interesting pharmacological properties.
  • Environmental Concerns: Like many synthetic dyes, this compound poses environmental challenges. Azo dyes can degrade into potentially harmful substances, leading to ongoing investigations into safer alternatives or degradation methods.
  • Historical Significance: The development of azo dyes revolutionized the dye industry in the 19th century. Their synthesis marked a significant shift from natural dyes to synthetic options, shaping modern chemistry.

In conclusion, 4-amino-3-[4-[4-[(2-hydroxy-8-sulfo-1-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonic acid exemplifies the intersection of chemistry, industry, and environmental considerations, making it a remarkable topic of study in both academic and applied contexts.

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