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Acid Alizarin Violet N

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Identification
Molecular formula
C26H18N4O8S2
CAS number
119-18-6
IUPAC name
3-[[4-(4-anilino-3-sulfo-phenyl)azo-1-naphthyl]azo]-4-hydroxy-naphthalene-1-sulfonic acid
State
State

At room temperature, Acid Alizarin Violet N is typically in a solid state. The substance is generally stable under normal conditions.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
590.59g/mol
Molar mass
590.5940g/mol
Density
1.7800g/cm3
Appearence

Acid Alizarin Violet N appears as a dark purple to violet powder. It is characterized by a vibrant hue that can range from deep bluish-violaceous to red depending on the concentration and solvent.

Comment on solubility

Solubility of 3-[[4-(4-anilino-3-sulfo-phenyl)azo-1-naphthyl]azo]-4-hydroxy-naphthalene-1-sulfonic acid

The solubility of 3-[[4-(4-anilino-3-sulfo-phenyl)azo-1-naphthyl]azo]-4-hydroxy-naphthalene-1-sulfonic acid can be described as follows:

  • Nature of the Compound: Being a sulfonic acid derivative, it is expected to exhibit *good solubility in polar solvents*, especially water.
  • pH Dependence: The solubility might vary with pH due to the presence of acidic and basic functional groups, which can influence ionization.
  • Temperature Influence: Solubility typically increases with temperature. Therefore, warmer solutions could enhance its solubility.
  • Hydrophilicity: The sulfonate groups contribute to its *hydrophilic nature*, facilitating solubility in aqueous solutions.
  • Interaction with Other Chemicals: Its solubility could be modified in the presence of salts or other solutes, which may either *enhance* or *decrease* its solubility through various mechanisms such as salting out or complexation.

In conclusion, while this compound is expected to be soluble in water, the *degree of solubility* can be influenced by several factors, including pH, temperature, and the presence of other ions in solution. As solubility is a critical aspect in applications such as dye chemistry, understanding these characteristics is essential for practical usage.

Interesting facts

Interesting Facts about 3-[[4-(4-anilino-3-sulfo-phenyl)azo-1-naphthyl]azo]-4-hydroxy-naphthalene-1-sulfonic Acid

This compound, often referred to in various applications as a dye or a coloring agent, is known for its vibrant properties and versatile usage in the textile industry. Here are some intriguing aspects of this compound:

  • Dye Properties: As an azo compound, it contains a specific functional group that is crucial for its ability to form strong colorants. Azo dyes are known for their bright colors and are widely employed in different fabrics.
  • Biological Activity: Compounds with sulfonic acid groups, like this one, can exhibit interesting biological activities. Some studies indicate that similar structures can affect the growth of certain bacteria, making them of interest in biochemistry and microbiology.
  • Environmental Considerations: The environmental impact of azo dyes is a significant area of research. Researchers are actively exploring methods to decolorize these dyes in wastewater, leading to innovative approaches in green chemistry.
  • Application in Analytical Chemistry: This compound can also serve as a dye in various analytical methods, enhancing visibility and allowing for the detection of certain substances through colorimetric analysis.
  • Cultural Significance: Dyes have historically played a crucial role in fabric and art, connecting the compound to cultural heritage and traditional crafts.

Notably, the structural complexity of this compound, with its multiple aromatic systems and functional groups, also makes it a point of interest for chemists studying molecular interactions and stability in dye chemistry.

As one researcher eloquently put it, "Color not only brings life to textiles but also insight into molecular interactions that define material science."