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Disperse Orange 3

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Identification
Molecular formula
C15H17N3O
CAS number
730-40-5
IUPAC name
2-methoxy-N,N-dimethyl-4-phenylazo-aniline
State
State

At room temperature, this compound is typically in a solid state.

Melting point (Celsius)
154.00
Melting point (Kelvin)
427.15
Boiling point (Celsius)
445.93
Boiling point (Kelvin)
719.08
General information
Molecular weight
268.33g/mol
Molar mass
268.3260g/mol
Density
1.2819g/cm3
Appearence

The compound typically appears as an orange to brown crystalline powder. It is often used as a dye and exhibits a bright orange color when applied to various materials.

Comment on solubility

Solubility of 2-methoxy-N,N-dimethyl-4-phenylazo-aniline

The solubility of 2-methoxy-N,N-dimethyl-4-phenylazo-aniline can be quite intricate, given its unique structure. A few aspects are worth noting:

  • Solvent Polarity: This compound tends to have better solubility in polar solvents due to the presence of a methoxy group, which can engage in hydrogen bonding.
  • Temperature Effects: Increased temperatures can enhance the solubility of organic compounds, and this is likely true for 2-methoxy-N,N-dimethyl-4-phenylazo-aniline as well.
  • pH Sensitivity: The solubility can vary with pH, particularly if protonation or deprotonation of the amino groups occurs, affecting its ionic state.

In summary, the solubility of 2-methoxy-N,N-dimethyl-4-phenylazo-aniline is influenced by several factors, including the type of solvent, temperature, and pH. As a rule of thumb, it shows good solubility in organic solvents while having limited solubility in water. Understanding these factors is crucial for applications in dyes and pharmaceuticals where solubility plays a pivotal role in effectiveness.

Interesting facts

Interesting Facts about 2-methoxy-N,N-dimethyl-4-phenylazo-aniline

2-methoxy-N,N-dimethyl-4-phenylazo-aniline is a compound that belongs to the class of azo dyes, which are known for their vibrant colors and extensive applications in various fields. Here are some engaging facts about this intriguing compound:

  • Azo Dye Family: This compound contains the azo group (–N=N–), which is responsible for the rich colors associated with azo dyes. The interaction of the azo group with different substituents allows for a wide range of color properties.
  • Applications: 2-methoxy-N,N-dimethyl-4-phenylazo-aniline is primarily used in the textile industry for dyeing fabrics. Its vivid coloring capabilities make it a popular choice for textiles that require bright shades.
  • Toxicity Concerns: Like many azo dyes, this compound has raised health concerns due to potential carcinogenic effects. Some azo compounds can release aromatic amines upon reductive cleavage, raising the importance of regulatory assessments in their use.
  • Color Change Mechanism: The color of azo dyes can change depending on the pH of their environment. This unique property makes them useful indicators in certain analytical techniques.
  • Research Significance: Ongoing research explores safer and more sustainable substitutes for azo dyes, aiming to mitigate environmental impact while retaining their valuable properties.

In summary, 2-methoxy-N,N-dimethyl-4-phenylazo-aniline exemplifies the fascinating world of azo dyes, exhibiting both utility and challenges that attract the attention of chemists and environmental scientists alike.

Synonyms
3-Methoxy-4-dimethylaminoazobenzene
2438-49-5
N,N-Dimethyl-4-phenylazo-o-anisidine
o-ANISIDINE, N,N-DIMETHYL-4-PHENYLAZO-
DTXSID001038654
Benzenamine, 2-methoxy-N,N-dimethyl-4-(2-phenyldiazenyl)-