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N-methyl-4-(m-tolylazo)aniline

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Identification
Molecular formula
C14H15N3
CAS number
18738-43-3
IUPAC name
N-methyl-4-(m-tolylazo)aniline
State
State

At room temperature, N-methyl-4-(m-tolylazo)aniline is in a solid state.

Melting point (Celsius)
156.00
Melting point (Kelvin)
429.15
Boiling point (Celsius)
420.00
Boiling point (Kelvin)
693.15
General information
Molecular weight
225.30g/mol
Molar mass
225.3010g/mol
Density
1.2640g/cm3
Appearence

N-methyl-4-(m-tolylazo)aniline is typically a reddish-brown to dark purple crystalline solid. It may exhibit a metallic sheen depending on the crystal size and purity of the sample.

Comment on solubility

Solubility of N-methyl-4-(m-tolylazo)aniline

The solubility of N-methyl-4-(m-tolylazo)aniline, a synthetic dye, can be influenced by various factors due to its molecular structure. Generally, the solubility characteristics of this compound can be summarized as follows:

  • Polarity: The presence of the polar aniline group contributes to its solubility in polar solvents, while the hydrophobic m-tolyl group may limit its solubility in highly polar media.
  • Solvent Interaction: It tends to be soluble in organic solvents like ethanol, methanol, and acetone, where the non-polar regions can interact favorably.
  • Temperature: Increased temperature often enhances solubility in many solvents, allowing for greater dissolution of N-methyl-4-(m-tolylazo)aniline.
  • pH Dependency: The ionization state of the compound can change with pH, potentially increasing solubility in slightly acidic conditions.

In summary, the solubility of N-methyl-4-(m-tolylazo)aniline is influenced by a balance of its polarity, the nature of the solvent, temperature, and environmental pH. This balance makes it essential to choose the right solvent for optimal dissolution. As a practical note, chemists often quote: "Know your solvent, know your solute." This succinctly encapsulates the crucial understanding needed to anticipate solubility behavior.

Interesting facts

Interesting Facts about N-methyl-4-(m-tolylazo)aniline

N-methyl-4-(m-tolylazo)aniline is a fascinating compound that belongs to the family of azo dyes. These dyes have a rich history and are widely used in various industries. Here are some compelling insights into this particular compound:

  • Azo Dyes: The azo group (-N=N-) is a defining feature of this compound, giving it vibrant colors. Azo dyes are known for their excellent coloring properties, which makes them popular in textiles, food, and cosmetics.
  • Applications: This compound is not just limited to aesthetic purposes. It has significant applications in various fields, including:
    • Textile dyeing
    • Food coloring
    • Biological staining
  • Environmental Impact: While azo dyes are widely used, some of them can be harmful to the environment. Researchers are actively studying the degradation of azo compounds to reduce ecological risks.
  • Synthesis: The synthesis of N-methyl-4-(m-tolylazo)aniline typically involves the reaction of aniline derivatives with diazonium salts. This reaction highlights the role of diazotization in azo dye production.
  • Color Chemistry: The color exhibited by this compound can change depending on factors such as pH and solvent. This makes it an exciting subject of study for chemists interested in colorimetric applications.
  • Biological Research: Some azo compounds have shown potential as therapeutic agents. Investigating their biological activity can lead to breakthroughs in medicinal chemistry.

In summary, N-methyl-4-(m-tolylazo)aniline not only serves as a striking example of azo dyes but also opens doors to numerous scientific inquiries regarding its synthesis, applications, and impact on the environment.

Synonyms
3-METHYL-4'-(METHYLAMINO)AZOBENZENE
667-739-4
3'-Methyl-4-methylaminoazobenzene
2058-62-0
N-methyl-4-[(3-methylphenyl)diazenyl]aniline
3'-Methyl-4-monomethylaminoazobenzene
BRN 0648756
N-Methyl-p-(m-tolylazo)aniline
N-Methyl-3'-methyl-p-aminoazobenzene
N-Methyl-3'-methyl-4-aminoazobenzene
ANILINE, N-METHYL-p-(m-TOLYLAZO)-
Benzenamine, N-methyl-4-((3-methylphenyl)azo)-
SCHEMBL5981961
DTXSID001039802
3'-methyl-N-methyl-4-aminoazobenzene
AKOS024338364
Benzenamine, N-methyl-4-[(1E)-2-(3-methylphenyl)diazenyl]-
889457-19-6