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Identification

Molecular formula
C16H10N2Na2O7S2
CAS Number
1936-15-8
IUPAC Name
disodium;3-hydroxy-4-(2,4,5-trimethylphenyl)azo-naphthalene-2,7-disulfonate
Molecular Weight
452.38g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
1.6000g/cm3
Appearance
is typically fine and homogeneous, with the vibrant color being a distinctive characteristic.
Synonyms
PONCEAU 3R
Interesting facts

Interesting Facts about Disodium 3-Hydroxy-4-(2,4,5-trimethylphenyl)azo-naphthalene-2,7-disulfonate

Disodium 3-hydroxy-4-(2,4,5-trimethylphenyl)azo-naphthalene-2,7-disulfonate is a fascinating compound that showcases the complexity of azo dyes. Azo dyes are characterized by the presence of the azo group (–N=N–), which is vital for their vivid colors and varied applications.

Key Features:

  • Colorant Properties: This compound is notable for its brilliant coloring properties, making it valuable in a wide range of applications, from textiles to food additives.
  • pH Sensitivity: Its performance can vary with changes in pH, which is a characteristic trait of many azo compounds, allowing it to be used as a pH indicator in various chemical reactions.
  • Ecosystem Considerations: As with many synthetic dyes, it is essential to consider environmental impact, particularly regarding biodegradability and potential toxicity.
  • Applications: It finds utility not only in the dyeing of cotton and wool fabrics but also in the design of cosmetic products due to its stability and colorfastness.

Noteworthy Points:

With its unique molecular structure, this compound allows chemists to explore:

  • The influence of substituent groups on the electronic properties of the dye, impacting color generation.
  • Potential applications in innovative fields such as photonics and sensor technology due to its color-changing possibilities.

In a quote from a notable chemist: "Understanding the intricate dance of molecular interactions in azo dyes is akin to deciphering a vibrant piece of art; each element plays a critical role in the final masterpiece."
This observation emphasizes the artistic and scientific collaboration in the world of chemical compounds.

Overall, disodium 3-hydroxy-4-(2,4,5-trimethylphenyl)azo-naphthalene-2,7-disulfonate exemplifies the rich potential of azo dyes, providing insights into both practical applications and fundamental chemical principles.

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