Sodium 4-(4-aminophenyl)azobenzenesulfonate

Identification

Molecular formula

C₁₂H₁₀N₃NaO₃S

CAS number

842-07-9

IUPAC name

sodium;4-(4-aminophenyl)azobenzenesulfonate

State

The compound is typically found as a solid at room temperature.

Melting point (Celsius)

300.00

Melting point (Kelvin)

573.00

Boiling point (Celsius)

0.00

Boiling point (Kelvin)

0.00

General information

Molecular weight

356.39g/mol

Molar mass

356.3850g/mol

Density

1.5800g/cm³

Appearence

This compound typically appears as a reddish-brown powder, often used as a dye due to its vibrant color characteristics.

Comment on solubility

Solubility of Sodium 4-(4-Aminophenyl)azobenzenesulfonate

Sodium 4-(4-aminophenyl)azobenzenesulfonate, often referred to simply as a dye or azo compound, presents interesting solubility characteristics that make it noteworthy in various applications.

One of the defining features of this compound's solubility is its ability to dissolve in polar solvents. The presence of the sulfonate group enhances its solubility due to the following reasons:

Hydrophilicity: The sulfonate group (-SO₃⁻) is highly polar, which allows strong interactions with water molecules.
Salt Formation: As a sodium salt, it benefits from ionic interactions that increase its overall solubility in aqueous environments.

Conversely, this compound typically exhibits low solubility in nonpolar solvents, such as hexane or toluene. This behavior is attributed to:

Lack of Polar Interactions: Nonpolar solvents do not favorably interact with the polar sulfonate group.
Hydrophobic Character: Although it is a polar compound, some parts of its molecular structure may still display hydrophobic characteristics, which restrict solubilization in nonpolar media.

In summary, sodium 4-(4-aminophenyl)azobenzenesulfonate is highly soluble in water and other polar solvents, making it an excellent candidate for various applications such as dyes and pharmaceuticals. Its low solubility in nonpolar solvents underscores the importance of choosing the right solvent for effective use.

Interesting facts

Interesting Facts about Sodium 4-(4-Aminophenyl)azobenzenesulfonate

Sodium 4-(4-aminophenyl)azobenzenesulfonate, commonly referred to as a diazo compound, is significant in various fields, particularly in organic chemistry and dye manufacturing. Here are some interesting aspects of this compound:

Versatile Applications: This compound is primarily utilized in the production of azo dyes, which are widely used in textiles, inks, and food coloring.
Stability: Azo compounds are known for their remarkable stability, particularly in light and heat, making them suitable for long-lasting applications.
Color Properties: The presence of the azo group (-N=N-) in the compound gives it unique color properties, allowing it to absorb specific wavelengths of light, which is why they are so effective as dyes.
Research Significance: Sodium 4-(4-aminophenyl)azobenzenesulfonate is often used in research to study reactions involving azo compounds, contributing to areas like photochemistry and polymer science.
Health Implications: While it has industrial uses, the safety and environmental impact of azo dyes, including this compound, have garnered attention. Some azo dyes have been recognized for potential carcinogenic properties, leading to the need for rigorous safety assessments.

This compound undeniably plays a critical role, blending chemistry with practical applications in an array of industries. As the study of azo compounds expands, scientists are continuously uncovering new uses and implications, making sodium 4-(4-aminophenyl)azobenzenesulfonate an intriguing subject in modern chemistry.