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Methyl Orange

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Identification
Molecular formula
C14H15N3
CAS number
547-58-0
IUPAC name
N,N-dimethyl-4-(p-tolylazo)aniline
State
State

At room temperature, Methyl Orange is in a solid state, appearing as a crystalline powder. It is soluble in water and alcohol, allowing it to form colorful solutions that are utilized in different analytical applications.

Melting point (Celsius)
100.00
Melting point (Kelvin)
373.15
Boiling point (Celsius)
396.30
Boiling point (Kelvin)
669.45
General information
Molecular weight
225.29g/mol
Molar mass
327.3650g/mol
Density
1.2830g/cm3
Appearence

Methyl Orange is an orange crystalline powder. It is commonly known for its use as a pH indicator in titrations. When in solution, its appearance can change from red to orange to yellow, depending on the pH level.

Comment on solubility

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

N,N-dimethyl-4-(p-tolylazo)aniline, also known as a type of azo dye, exhibits unique solubility characteristics that make it interesting in the field of chemical science.

  • Solvent Dependence: The solubility of this compound can vary significantly depending on the solvent used. Common solvents include organic solvents such as ethanol, acetone, and chloroform.
  • Aqueous Solubility: Its solubility in water is generally limited, making it more favorable for applications in non-aqueous environments.
  • Concentration Effects: At lower concentrations, the dye may appear to be partially soluble, while at higher concentrations, precipitation may occur.

In summary, N,N-dimethyl-4-(p-tolylazo)aniline tends to be:

  1. Relatively insoluble in water
  2. Soluble in a variety of organic solvents
  3. Sensitive to temperature and concentration changes

Understanding the solubility properties of this compound is crucial for its application in dye formulations and other chemical processes. Its behavior in different solvents can influence not only its performance but also the overall effectiveness of products containing this compound.

Interesting facts

Interesting Facts about N,N-Dimethyl-4-(p-tolylazo)aniline

N,N-Dimethyl-4-(p-tolylazo)aniline is a fascinating compound that plays a significant role in various applications, particularly in the field of dyes and pigments. Here are some intriguing aspects of this compound:

  • Versatile Dye Component: This compound is commonly used as a dye intermediate, providing vibrant color to textiles and other materials. Its azo group (-N=N-) is responsible for the intense coloration.
  • Chemical Structure: The presence of both dimethyl and p-tolyl groups in its structure contributes to its unique properties, allowing it to participate in several chemical reactions.
  • Analytical Chemistry:** N,N-dimethyl-4-(p-tolylazo)aniline is often utilized in analytical chemistry for colorimetric determinations, taking advantage of its distinct absorbance characteristics.
  • Biological Relevance: Some studies have suggested that azo compounds like this one can have biological activity, which opens up potential avenues for research in pharmacology and biochemistry.
  • Sustainability Considerations: The production and application of azo dyes are scrutinized for their environmental impact, making N,N-dimethyl-4-(p-tolylazo)aniline a point of interest in discussions about safer, more sustainable dyeing processes.

In conclusion, as a compound with diverse applications and a notable chemical structure, N,N-dimethyl-4-(p-tolylazo)aniline continues to be an important subject of study in both industrial chemistry and environmental science. Its interaction with light and biological systems inspires continued research and innovation in the field.

Synonyms
4'-Methyl-p-dimethylaminoazobenzene
N,N-Dimethyl-p-(p-tolylazo)aniline
NSC 204514
Aniline, N,N-dimethyl-p-(p-tolylazo)-
N,N-dimethyl-4-[(4-methylphenyl)diazenyl]aniline
ANILINE, N,N-DIMETHYL-4-(p-TOLYLAZO)-
Benzenamine, N,N-dimethyl-4-((4-methylphenyl)azo)-
4-Dimethylamino-4'-methyl-azobenzene
Benzenamine, N,N-dimethyl-4-[(4-methylphenyl)azo]-
p'-Methyl-p-((dimethylamino)azo)benzene
p'-Methyl-p-[(dimethylamino)azo]benzene
N,N-dimethyl-4-((4-methylphenyl)diazenyl)aniline
Aniline, N,N-dimethyl-p-(p-tolylazo)-(8CI)
Benzenamine, N,N-dimethyl-4-((4-methylphenyl)azo)-(9CI)
ipizwpbccyxhdw-wukndpdisa-n
3010-57-9
4-DIMETHYLAMINO-4'-METHYLAZOBENZENE
4-(Dimethylamino)-4'-methylazobenzene
4'-Methyl-4-dimethylaminoazobenzene
N,N-Dimethyl-4-(p-tolylazo)aniline
4'-Methyl-4-(dimethylamino)azobenzene
N,N-Dimethyl-4-(p-tolyldiazenyl)aniline
4-DIMETHYLAMINO-4-METHYLAZOBENZENE
610E3RBW8U
NSC-204514
(e)-n,n-dimethyl-4-(p-tolyldiazenyl)aniline
81944-73-2
Benzenamine, N,N-dimethyl-4-[2-(4-methylphenyl)diazenyl]-
p'-Methyl-p-dimethylaminoazobenzene
EINECS 221-135-3
UNII-610E3RBW8U
MFCD00048015
NSC204514
G5F2FV6NQV
SCHEMBL2681312
WLN: 1N1&R DNUNR D1
IPIZWPBCCYXHDW-UHFFFAOYSA-N
DTXSID801038789
Aniline,N-dimethyl-p-(p-tolylazo)-
Aniline,N-dimethyl-4-(p-tolylazo)-
AKOS024302280
azobenzene, 4-dimethylamino-4'-methyl-
4'-Methyl-4-[(dimethylamino)azo]benzene
cis-4-(Dimethylamino)-4'-methylazobenzene
4-(Dimethylamino)-4'-methylazobenzene, Z-
DB-047705
M0208
N,N-Dimethyl-p-(p-tolylazo)aniline, (E)-
NS00048247
D91289
Benzenamine,N-dimethyl-4-[(4-methylphenyl)azo]-
Q27263260
N,N-Dimethyl-4-[(E)-(4-methylphenyl)diazenyl]aniline
N,N-Dimethyl-4-[2-(4-methylphenyl)diazenyl]benzenamine
Benzenamine, N,N-dimethyl-4-[(4-methylphenyl)azo]-, (Z)-
N,N-dimethyl-4-[(1E)-2-(4-methylphenyl)diazen-1-yl]aniline
N,N-Dimethyl-4-[(1E)-2-(4-methylphenyl)diazenyl]benzenamine
Benzenamine, N,N-dimethyl-4-[(1E)-2-(4-methylphenyl)diazenyl]-
53905-05-8