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Acid Yellow 36

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Identification
Molecular formula
C14H12N2O6S2
CAS number
587-98-4
IUPAC name
2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid
State
State

At room temperature, Acid Yellow 36 is a solid. It is typically handled as a powder or in a finely granulated form due to its application in dyeing processes.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
417.42g/mol
Molar mass
417.4210g/mol
Density
1.6800g/cm3
Appearence

Acid Yellow 36 typically appears as a yellow to orange crystalline powder. It is often used as a dye in various applications, providing vibrant yellow hues.

Comment on solubility

Solubility of 2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid

The solubility of 2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid in water is notably high due to its ionic nature and the presence of sulfonic acid groups.

Key Factors Influencing Solubility:

  • Ionic Interactions: The sulfonic acid group enhances solubility by promoting strong ionic interactions with water molecules.
  • Hydrophilicity: The amino groups contribute to the polar character of the compound, making it more hydrophilic.
  • pH Sensitivity: The solubility can vary with pH, especially near the pKa of the sulfonic acid group, which can lead to deprotonation and increased solubility in basic conditions.

This compound is expected to dissolve well in aqueous environments, making it suitable for various applications in biological and chemical processes. In contrast, solubility in organic solvents may be limited due to its polar nature, often leading to lower compatibility with hydrophobic environments.

Overall, the solubility profile of 2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid emphasizes its potential utility in contexts requiring high water solubility and reactivity.

Interesting facts

Interesting Facts about 2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid

2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid, commonly referred to as a sulfonic acid dye precursor, is a fascinating compound in the world of chemistry, particularly in dye chemistry. Here are some noteworthy points about this compound:

  • Acidic Nature: As a sulfonic acid derivative, the compound exhibits strong acidic properties, significantly influencing its solubility and reactivity with various chemicals.
  • Dye Formation: It is often employed in the synthesis of vibrant azo dyes, which are widely used in textiles, food, and cosmetics. The ability to form vivid colors makes it an essential compound in the dye manufacturing industry.
  • Biological Significance: The presence of amino groups in its structure allows this compound to participate in biological interactions, potentially serving as a building block for pharmaceuticals or other bioactive molecules.
  • Environmental Impact: Some derivatives of sulfonic acid compounds can pose environmental challenges, leading researchers to explore safer alternatives for dyeing processes.
  • Analytical Applications: Due to its unique structural features, this compound can be utilized in chromatography and as a standard reference in analytical chemistry, enhancing detection and quantification methods.

In summary, 2-amino-5-[2-(4-amino-2-sulfo-phenyl)vinyl]benzenesulfonic acid stands out not only for its chemical versatility but also for its significant role in various industrial applications. As one chemist aptly stated, "The beauty of chemistry lies in how simple molecules can create a spectrum of colors and solutions that impact our daily lives."