Naphthol Blue Black

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Identification

Molecular formula
C22H14N2Na2O9S2
CAS Number
1064-48-8
IUPAC Name
6-hydroxy-5-[(4-sulfo-1-naphthyl)azo]naphthalene-2-sulfonic acid
Molecular Weight
461.38g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
1.8558g/cm3
Synonyms
Acid Red 13 free acid
Interesting facts

Interesting Facts about 6-Hydroxy-5-[(4-sulfo-1-naphthyl)azo]naphthalene-2-sulfonic Acid

6-Hydroxy-5-[(4-sulfo-1-naphthyl)azo]naphthalene-2-sulfonic acid, commonly known as a dye compound, is part of a fascinating class of molecules that exhibit remarkable applications in various fields. Here are some compelling insights:

  • Dye Properties: This compound is primarily used as an azo dye, which gives it the unique capability to impart vivid colors to textiles, papers, and plastics.
  • Acidic Nature: The presence of sulfonic acid groups contributes to its solubility in water, making it effective for applications requiring dyeing in aqueous solutions.
  • Versatile Applications: Beyond textiles, azo dyes like this one find use in biological assays and as indicators due to their sensitivity to changes in pH.
  • Environmental Considerations: With growing environmental concerns, synthetic azo dyes have been scrutinized for their potential toxicity and are under study for safer alternatives.
  • Structural Intricacies: The combination of naphthalene rings and sulfonate groups in its structure allows for complex interactions with various substrates, enhancing its stability and performance in dyeing processes.

In summary, 6-hydroxy-5-[(4-sulfo-1-naphthyl)azo]naphthalene-2-sulfonic acid is more than just a dye; it represents a critical intersection of chemistry, industrial application, and environmental science. As we explore innovations in dyeing while minimizing ecological impacts, understanding compounds like this becomes increasingly crucial.

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