Ponceau SX

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Identification

Molecular formula
C32H22N4Na2O11S3
CAS Number
6226-79-5
IUPAC Name
disodium;7-hydroxy-8-[4-[4-[4-(p-tolylsulfonyloxy)phenyl]azophenyl]phenyl]azo-naphthalene-1,3-disulfonate
Molecular Weight
760.77g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
1.5431g/cm3
Synonyms
1, 3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4'-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)(1, 1'-biphenyl)-4-yl)azo)-, disodium salt
Interesting facts

Interesting Facts about Disodium 7-Hydroxy-8-[4-[4-[4-(p-Tolylsulfonyloxy)phenyl]azophenyl]phenyl]azo-naphthalene-1,3-disulfonate

Disodium 7-hydroxy-8-[4-[4-[4-(p-tolylsulfonyloxy)phenyl]azophenyl]phenyl]azo-naphthalene-1,3-disulfonate, commonly recognized as a vibrant azo dye compound, is notable for several reasons:

  • Color Usage: Azo dyes are renowned for their rich colors and are widely used in the textile industry, plastics, and cosmetics. This compound’s azo group plays a crucial role in producing intense dye colors.
  • Stability: The stability of azo dyes under various conditions makes them suitable for multiple applications, although their stability can vary based on the substituent groups.
  • Biological Activity: Some azo compounds have been investigated for their potential mutagenic and carcinogenic effects. Understanding these aspects is important for safety evaluations in various industries.
  • Synthetic Application: The chemical structure allows for complex synthesis and modification, which supports the development of new derivatives with potentially altered properties.
  • Environmental Concerns: The biodegradability of azo dyes is a significant concern. Research continues to address the environmental impact of such compounds, particularly in wastewater.

As a compound that intricately combines organic synthesis with practical applications, disodium 7-hydroxy-8-[4-[4-[4-(p-tolylsulfonyloxy)phenyl]azophenyl]phenyl]azo-naphthalene-1,3-disulfonate stands as a remarkable example of how chemistry intersects with both art in coloration and critical environmental considerations.

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