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Disodium 7-hydroxy-8-(phenylazo)naphtalene-1,3-disulfonate

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Identification
Molecular formula
C16H10N3Na2O7S2
CAS number
573-58-0
IUPAC name
disodium;7-hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate
State
State

At room temperature, the compound is a solid. It is stable under normal conditions and is often found in powdered or crystalline form. This state makes it suitable for various applications, particularly in dyeing processes and scientific research involving azo compounds.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.38g/mol
Molar mass
452.3760g/mol
Density
1.4900g/cm3
Appearence

This compound typically appears as an orange or red powder or crystalline solid. The color is due to the presence of the azo group, which is characteristic in azo dyes commonly used for coloring purposes.

Comment on solubility

Solubility of Disodium 7-Hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate

The solubility of disodium 7-hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate can be assessed based on its unique structural features. This compound, being a sulfonated azo dye, introduces several factors that influence its solubility:

  • Hydrophilicity: The presence of two sulfonate groups (-SO3Na) significantly increases the compound's affinity for water, enhancing its solubility in aqueous solutions.
  • Stability in Water: Disodium salts are generally more soluble compared to their acid counterparts, leading to improved stability in various pH environments.
  • Temperature Dependency: As is common with many organic compounds, solubility may vary with temperature, often increasing with higher temperatures due to enhanced molecular interactions.
  • Interaction with Solvents: While this compound is primarily soluble in water, its solubility in organic solvents is likely limited due to its ionic character.

In summary, one can expect disodium 7-hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate to exhibit good solubility in aqueous environments, paving the way for its applications in various fields such as biology and chemistry. As always, the specific solubility should be determined experimentally to account for various conditions and formulations.

Interesting facts

Interesting Facts about Disodium 7-Hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate

Disodium 7-hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate, commonly referred to as a dye, is a fascinating compound with several unique characteristics and applications. Below are some noteworthy aspects of this compound:

  • Color Theory: This compound is a synthetic azo dye, known for its bright and vivid color. Azo dyes are renowned for their vast color palette, making them popular in the textile industry.
  • Application in Chemistry: Used primarily as a dye in various applications, it serves as an important reagent in the analytical chemistry field, especially in spectrophotometry.
  • Environmental Considerations: Azo dyes can undergo degradation, leading to potential environmental concerns. Studies are ongoing to develop safer and more environmentally-friendly alternatives.
  • Innovative Uses: Beyond textile dyeing, this compound has been explored for use in biomedical applications, including as a tracer or indicator in biochemical assays.
  • Cultural Significance: The use of azo dyes has a rich history that dates back to the late 19th century, showcasing the intersection of chemistry and art in color creation.

In summary, disodium 7-hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate is not just a compound; it's a bridge between chemistry, art, and environmental science. As chemists and researchers continue to explore its properties and applications, this compound remains a subject of significant interest in the field.

Synonyms
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt
Sodium 6-hydroxy-5-(4-phenylazophenylazo)naphthalene-2,4-disulphonate
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-, disodium salt
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-4-(phenylazo)phenylazo-, disodium salt
ACID RED 73
5413-75-2
Brilliant crocein
Crocein Scarlet 3B
Woodstain Scarlet
Brilliant Crocein MOO
5PLA82FV3C
CI 27290
MFCD00003907
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2)
Brilliant Crocein (C.I. 27290)
7-Hydroxy-8-((4-(phenylazo)phenyl)azo)-1,3-naphthalenedisulfonic acid, disodium salt
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(2-(4-(2-phenyldiazenyl)phenyl)diazenyl)-, sodium salt (1:2)
UNII-5PLA82FV3C
Brilliantcroceine
disodium 7-oxo-8-{2-[4-(2-phenylhydrazin-1-ylidene)cyclohexa-2,5-dien-1-ylidene]hydrazin-1-ylidene}naphthalene-1,3-disulfonate
Brilliant crocein scarlet MOO
SCHEMBL185277
SCHEMBL340440
DTXSID1041712
CHEBI:87189
MSK5811
OJPSNKJNYKPDPH-HKWNQDJZSA-L
Acid Red 73, analytical standard
AKOS015916438
AKOS024375389
AKOS030228515
7-Hydroxy-8-(4-phenylazophenylazo)-1,3-naphthalenedisulfonic acid disodium salt
NS00013343
D89261
Q27262704
disodium 7-hydroxy-8-{[4-(phenyldiazenyl)phenyl]diazenyl}naphthalene-1,3-disulfonate
disodium;7-hydroxy-8-[(4-phenyldiazenylphenyl)diazenyl]naphthalene-1,3-disulfonate
disodium 7-hydroxy-8-{2-[4-(2-phenyldiazen-1-yl)phenyl]diazen-1-yl}naphthalene-1,3-disulfonate