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Mordant Brown 33

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Identification
Molecular formula
C18H14N2O7S2
CAS number
6410-10-2
IUPAC name
4-(2,4-dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic acid
State
State

The compound is typically solid at room temperature, appearing as a reddish-brown powder.

Melting point (Celsius)
92.00
Melting point (Kelvin)
365.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
472.49g/mol
Molar mass
472.4930g/mol
Density
1.5800g/cm3
Appearence

This compound is typically a reddish-brown powder. Its vibrant hue makes it especially useful as a dye in various applications.

Comment on solubility

Solubility of 4-(2,4-dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic acid

The solubility of 4-(2,4-dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic acid is influenced by several factors due to its unique chemical structure. This compound is known to be a water-soluble azo dye, which is significant for various applications, particularly in textiles and biological studies. Here are some key points regarding its solubility:

  • pH Dependence: The solubility can vary with pH levels; generally, it is more soluble in alkaline conditions.
  • Temperature Effects: Increased temperatures may enhance solubility, allowing greater dissolution in aqueous solutions.
  • Concentration Limits: There may be specific concentration thresholds beyond which saturation is reached, limiting further solubility.
  • Ionic Strength: The presence of salts can influence solubility through mechanisms like salting-out or salting-in.

In summary, the solubility of this compound is a dynamic property that can be tailored through manipulation of environmental conditions. Understanding these factors is crucial for effectively using 4-(2,4-dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic acid in practical applications.

Interesting facts

Interesting Facts about 4-(2,4-Dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic Acid

4-(2,4-Dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic acid, often abbreviated as one of its functional names, showcases the fascinating interplay between color and chemistry.
Here are some engaging insights about this compound:

  • Role as a Dye: This compound is widely used in the production of dyes. Its azo functional group (-N=N-) is a key feature that allows for vibrant colors, especially in textile applications.
  • Acidic Nature: The presence of sulfonic acid groups makes it water-soluble, which is essential for dyeing processes as it allows for better binding to fabrics.
  • Structural Versatility: The naphthalene ring system and the substitution patterns of the dimethyl phenyl groups contribute to its complex structure, making it a subject of interest in synthetic organic chemistry.
  • Application in Analytical Chemistry: Due to its unique spectroscopic properties, this compound is utilized as an indicator in various chemical analyses.
  • Environmental Considerations: As with many azo dyes, there's ongoing research examining its environmental impact, especially concerning biodegradability and toxicity, leading to the development of more sustainable alternatives.

In summary, 4-(2,4-dimethylphenyl)azo-3-hydroxy-naphthalene-2,6-disulfonic acid serves as not just a compound of interest for synthetics but also as a reminder of the balance between functionality and environmental stewardship in chemical applications.

Synonyms
DTXSID60859839
4-[(2,4-Dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,6-disulfonic acid