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Solvent Yellow 56

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Identification
Molecular formula
C15H15N3O
CAS number
2481-94-9
IUPAC name
4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol
State
State

At room temperature, Solvent Yellow 56 is a solid and is typically handled in powdered or crystalline form for applications in dyes and pigments.

Melting point (Celsius)
157.00
Melting point (Kelvin)
430.15
Boiling point (Celsius)
654.00
Boiling point (Kelvin)
927.15
General information
Molecular weight
268.31g/mol
Molar mass
268.3360g/mol
Density
1.2528g/cm3
Appearence

Solvent Yellow 56 appears as a yellow crystalline powder. It has a vibrant yellow coloration which makes it commonly used as a dye. The crystals are typically fine and can be handled in powdered form.

Comment on solubility

Solubility of 4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol

The solubility of 4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol, a complex organic compound, can be influenced by various factors. Here are some key points to consider:

  • Polarity: This compound contains both aromatic amine and hydroxyl functional groups, which can lead to different solubility behaviors in polar and nonpolar solvents.
  • Solvent Selection: Typically, compounds with azo groups may dissolve better in polar solvents such as ethanol or water due to hydrogen bonding interactions.
  • Temperature Effects: Increasing the temperature generally enhances solubility for many organic compounds, enabling better interaction with the solvent.
  • pH Influence: The solubility may also be affected by the pH of the solution, as ionizable groups can alter the overall charge of the compound, which influences its interaction with solvents.
  • Structural Considerations: The presence of bulky methyl groups and the overall molecular structure can hinder solvation and thus lower solubility in certain solvents.

In essence, while the solubility of 4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol may vary, understanding the solubility dynamics can be crucial for applications in various fields, from pharmaceuticals to dyes.

Interesting facts

Interesting Facts about 4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol

This compound, commonly referred to as an azo dye, exhibits some fascinating properties and applications that are significant in the world of chemistry. Azo compounds are characterized by the presence of the -N=N- (azo) functional group, which is responsible for their vibrant colors and wide-ranging use in dyeing fabrics and food products.

Key Characteristics:

  • Structural Complexity: 4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol exhibits a complex structure that enables various interactions with other molecules.
  • Color Properties: The azo group contributes to the compound's vivid color, making it a desirable choice for use as a dye.
  • Biological Significance: The amine functional group may impart biological properties, leading to potential applications in pharmaceuticals or biomedical research.

The historical significance of azo compounds cannot be overstated. They mark the transition from natural dyes to synthetic ones in the late 19th century, allowing for a broader spectrum of colors and more consistent application. As noted in many studies, "the introduction of azo dyes revolutionized the textile industry, providing durability and versatility."
With their ability to form stable complexes with metals, azo dyes also find utility in analytical chemistry, serving as indicators or reagents in various reactions.

Applications of Azo Dyes:

  • Textile Industry: Essential for dyeing materials due to their vibrant colors and lightfastness.
  • Cosmetics: Used in formulations where visual appeal is crucial.
  • Food Coloring: Certain azo dyes are regulated for use in foods, primarily to enhance visual appeal.

As a student or a scientist working with azo compounds, it is critical to acknowledge the environmental impact of these dyes. Some azo compounds have been found to be hazardous due to the potential release of aromatic amines upon degradation, calling for responsible application and comprehensive toxicological assessments.

Overall, 4-(4-amino-2-methyl-phenyl)azo-2,6-dimethyl-phenol embodies the intersection of art and science, where the vibrancy of colors meets the rigor of chemical structure and applications. Its exploration could lead to advances in both industrial applications and environmental safety.

Synonyms
21644-95-1
BRN 0666207
4-[(4-amino-o-tolyl)azo]-2,6-xylenol
4-Amino-4'-hydroxy-2,3',5'-trimethylazobenzene
Azobenzene, 4-amino-4'-hydroxy-2,3',5'-trimethyl-
DTXSID70944240
o-CRESOL, 4-(1-(4-AMINO-2-METHYLPHENYL)AZO)-6-METHYL-
4-[2-(4-Amino-2-methylphenyl)hydrazinylidene]-2,6-dimethylcyclohexa-2,5-dien-1-one