Skip to main content

Methyl Yellow

ADVERTISEMENT
Identification
Molecular formula
C14H15N3
CAS number
60-11-7
IUPAC name
N,N-dimethyl-4-(o-tolylazo)aniline
State
State

Typically, methyl yellow is in a solid state at room temperature. It is commonly found as a powder or crystalline form.

Melting point (Celsius)
111.00
Melting point (Kelvin)
384.15
Boiling point (Celsius)
491.20
Boiling point (Kelvin)
764.35
General information
Molecular weight
225.31g/mol
Molar mass
225.3110g/mol
Density
1.1105g/cm3
Appearence

Methyl yellow is a bright yellow solid, often available as a powder. It is used as a dye and pH indicator. Its color varies depending on pH level, transitioning from yellow to red from acidic to basic conditions.

Comment on solubility

Solubility of N,N-dimethyl-4-(o-tolylazo)aniline

N,N-dimethyl-4-(o-tolylazo)aniline, with its complex structure, presents unique solubility characteristics. Generally, the solubility of this compound can be summarized as follows:

  • Polar Solvents: It demonstrates moderate solubility in polar solvents such as water and alcohols, primarily due to the presence of the amine functional group, which can interact with polar environments.
  • Non-Polar Solvents: Conversely, it exhibits greater solubility in non-polar solvents like benzene or toluene, benefitting from hydrophobic interactions arising from its aromatic structures.
  • pH Sensitivity: The solubility is also influenced by pH levels, as changes in acidity can alter the ionization state of the amine group.

It is important to note that the solubility is considerably affected by:

  • Temperature: Higher temperatures typically increase solubility in most solvents.
  • Concentration: The solubility limits can shift based on concentration, particularly in case of saturation effects.

In conclusion, understanding the solubility of N,N-dimethyl-4-(o-tolylazo)aniline is essential for its applications in fields such as dye chemistry and organic synthesis. As one author once noted, "Solubility is the key to unlocking the potential of complex compounds."

Interesting facts

Interesting Facts about N,N-dimethyl-4-(o-tolylazo)aniline

N,N-dimethyl-4-(o-tolylazo)aniline is a fascinating compound that falls under the category of azo compounds, known for their vibrant colors and diverse applications. Here are some intriguing details about this compound:

  • Azo dye significance: This compound is classified as an azo dye, a type of dye characterized by the presence of a nitrogen-nitrogen double bond. These dyes are pivotal in the textile industry for their ability to produce vivid colors.
  • Applications: Azo compounds, including N,N-dimethyl-4-(o-tolylazo)aniline, are utilized not only in textiles but also in plastics and food coloring. Their versatility makes them valuable in numerous fields.
  • Structure and properties: The structure of N,N-dimethyl-4-(o-tolylazo)aniline features a central aniline ring connected to an azo (-N=N-) linkage, which is responsible for its color properties. The presence of the o-tolyl group further enhances the dye's stability and solubility.
  • Environmental concerns: As with many azo dyes, there are related environmental impacts. Some azo dyes can decompose into amines, which may pose safety and health risks. Consequently, researchers are actively investigating safer alternatives.
  • Research and innovation: Ongoing studies in the field focus on enhancing the properties of azo dyes, including improving color fastness and reducing harmful effects. This underscores the importance of safety in chemical research, leading to sustainable advancements.

In summary, N,N-dimethyl-4-(o-tolylazo)aniline stands out as an important compound in several industries, with its unique chemical structure and applications. The ongoing research around azo dyes highlights both the creativity and responsibility within chemical science.

Synonyms
3731-39-3
N,N-Dimethyl-4-(2-(2-methylphenyl)diazenyl)benzenamine
N,N-Dimethyl-4-[2-(2-methylphenyl)diazenyl]benzenamine
2'-METHYL-4-DIMETHYLAMINOAZOBENZENE
4-(Dimethylamino)-2'-methylazobenzene
2'-Methyl-p-dimethylaminoazobenzene
4-Dimethylamino-2'-methylazobenzene
2-Methyl-4'-(dimethylamino)azobenzene
Azobenzene, 4-(dimethylamino)-2'-methyl-
Aniline, N,N-dimethyl-p-(o-tolylazo)-
o'-Methyl-p-dimethylaminoazobenzene
N,N-Dimethyl-4-(o-tolylazo)aniline
N,N-Dimethyl-p-((o-tolyl)azo)aniline
NSC 102373
N,N-dimethyl-4-[(2-methylphenyl)diazenyl]aniline
Aniline, N,N-dimethyl-4-(o-tolylazo)-
Aniline, N,N-dimethyl-p-(2'-methylphenylazo)-
Benzenamine, N,N-dimethyl-4-((2-methylphenyl)azo)-
5G8S94HD3V
N,N-Dimethyl-p-(o-tolylazo)aniline
NSC-102373
Benzenamine, N,N-dimethyl-4-[(2-methylphenyl)azo]-
N,N-Dimethyl-4-[(E)-(2-methylphenyl)diazenyl]aniline
CCRIS 4844
HSDB 4344
EINECS 223-088-4
2'-Methyl-4-(dimethylamino)azobenzene
UNII-5G8S94HD3V
2'-Methyl-4-dimethylaminobenzene
NSC102373
NCIOpen2_007030
methyl-4-dimethylaminoazobenzene
SCHEMBL5982202
DTXSID3025592
WLN: 1N1&R DNUNR B1
DTXSID20859835
PREOKNMPMCPQQJ-UHFFFAOYSA-N
PREOKNMPMCPQQJ-WUKNDPDISA-N
Aniline,N-dimethyl-p-(o-tolylazo)-
Aniline,N-dimethyl-4-(o-tolylazo)-
MFCD00025648
(o'-Methyl-p-dimethylamino)azobenzene
[o'-Methyl-p-(dimethylamino)azo]benzene
[2'-Methyl-4-(dimethylamino)azo]benzene
AS-86928
2'-Methyl-N,N-dimethyl-4-aminoazobenzene
DB-049093
CS-0451810
M0789
NS00030175
(E)-N,N-dimethyl-4-(o-tolyldiazenyl)aniline
cis-4-(Dimethylamino)-2a(2)-methylazobenzene
T72382
Benzenamine,N-dimethyl-4-[(2-methylphenyl)azo]-
2'-METHYL-4-DIMETHYLAMINOAZOBENZENE [HSDB]
N,N-Dimethyl-4-[(2-methylphenyl)diazenyl]aniline #
Q27262086
N,N-dimethyl-4-[(1E)-2-(2-methylphenyl)diazen-1-yl]aniline
N,N-DIMETHYL-4-[(E)-2-(2-METHYLPHENYL)DIAZEN-1-YL]ANILINE
53905-08-1