Carmoisine

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Identification

Molecular formula
C20H12N2Na2O7S2
CAS Number
3567-69-9
IUPAC Name
disodium;5-amino-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonate
Molecular Weight
502.43g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
1.6000g/cm3
Synonyms
Acid red 33
Interesting facts

Interesting Facts about Disodium 5-Amino-4-Hydroxy-3-Phenylazo-Naphthalene-2,7-Disulfonate

Disodium 5-Amino-4-Hydroxy-3-Phenylazo-Naphthalene-2,7-Disulfonate is a fascinating compound within the world of azo dyes. Here are some key insights that highlight its unique characteristics and applications:

  • Colorful Chemistry: This compound is known for its vibrant coloration, making it a popular choice in the textile industry for dyeing fabrics. It can produce a range of hues, particularly bright and intense shades.
  • Versatile Applications: Beyond textiles, it finds use in various applications, including food coloring and cosmetics. Its stability and solubility make it suitable for different formulations.
  • Historical Significance: Azo dyes, including this compound, have a rich history, first being developed in the late 19th century. They transformed the dye industry with their ability to produce lasting and diverse colors.
  • Safety and Regulations: As with many synthetic dyes, the safety of azo dyes, including disodium 5-amino-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonate, is evaluated under regulations. Understanding potential health impacts is crucial for safe use.
  • Chemical Structure: The structure of this compound includes multiple functional groups, including amino and sulfonic acid groups, which contribute to its properties and reactivity, providing a deep insight into the chemistry of azo compounds.

In summary, disodium 5-amino-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonate is an intriguing example of how chemistry blends aesthetics with functionality. As scientists continue to explore such compounds, the understanding of their applications, effects, and potential for innovation continues to grow.

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