Congo red

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Identification

Molecular formula
C32H22N6Na4O14S4
CAS Number
573-58-0
IUPAC Name
tetrasodium;3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfonato-2-naphthyl)azo]-6-sulfonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulfonate
Molecular Weight
696.67g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
0.9720g/cm3
Synonyms
Direct Blue 71
Interesting facts

Interesting Facts about Tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfonato-2-naphthyl)azo]-6-sulfonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulfonate

Tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfonato-2-naphthyl)azo]-6-sulfonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulfonate, often referred to in laboratory settings as a complex azo dye, has remarkable chemical and industrial significance. Here are some fascinating insights:

  • Dye Applications: This compound is primarily used as a dye in various industrial applications, particularly in textiles. Its vibrant colors and stability under different conditions make it a favored choice in dyeing processes.
  • Structure and Function: The intricate structure, characterized by multiple azo (-N=N-) linkages, contributes to its remarkable color diversity and binding properties with substrates.
  • Environmental Considerations: As with many synthetic dyes, the environmental impact of azo dyes has been a subject of study. Researchers are working to develop methods for efficient degradation and removal of these compounds from wastewater.
  • Biological Relevance: Some studies have indicated potential biological impacts of azo dyes, including their metabolic pathways in organisms. This aspect opens avenues for environmental and health-related research.
  • Historical Background: Azo dyes have a rich history, having been first synthesized in the 19th century. Tetrasodium's specific formulation highlights advancements in chemical synthesis and materials science.

This azo compound exemplifies the complexity and utility of synthetic dyes in modern chemistry and industrial applications. Its multi-faceted nature is a testament to the evolving landscape of chemical research and its implications for both industry and the environment.

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