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Disperse Orange 3

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Identification
Molecular formula
C14H14ClN3
CAS number
730-40-5
IUPAC name
4-(2-chlorophenyl)azo-N,N-dimethyl-aniline
State
State

At room temperature, 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline is in a solid state, usually encountered in powder form.

Melting point (Celsius)
159.00
Melting point (Kelvin)
432.15
Boiling point (Celsius)
519.20
Boiling point (Kelvin)
792.35
General information
Molecular weight
258.73g/mol
Molar mass
258.7300g/mol
Density
1.1700g/cm3
Appearence

The compound typically appears as an orange to reddish-brown powder. It is commonly used as a dye and thus, its vibrant color is one of its distinctive characteristics.

Comment on solubility

Solubility of 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline

The solubility of 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline is a nuanced topic that can vary significantly based on several factors. This compound, due to its azo functional group and aromatic character, exhibits certain solubility characteristics that are important to understand:

  • Solvent Polarity: The solubility of this compound tends to increase in polar organic solvents such as dimethyl sulfoxide (DMSO) or ethanol, owing to its ability to interact favorably with polar molecules.
  • Hydrophobic Interactions: Conversely, in non-polar solvents, the compound may show limited solubility due to its aromatic structure that encourages hydrophobic interactions.
  • Temperature Influence: Increasing temperature usually enhances solubility for many organic compounds, and this compound is no exception; elevated temperatures can facilitate better solvation.

It is essential to note that the solubility measurements can be influenced by additional factors such as pH and the presence of other solutes, leading to potential changes in solubility dynamics. As stated, "solubility is fundamentally a balance of enthalpic and entropic factors," which highlights the complex interplay at play with 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline.

In summary, understanding the solubility of 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline requires consideration of the solvent type, temperature, and interaction with other compounds, making it a multifaceted topic in chemical research.

Interesting facts

Interesting Facts about 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline

4-(2-chlorophenyl)azo-N,N-dimethyl-aniline is a fascinating compound that belongs to the azo dye class. Azo dyes are notable for their vibrant colors and their widespread application in various industries. Here are some intriguing aspects of this particular compound:

  • Azo Group Significance: The azo group (–N=N–) is responsible for the intense coloring often seen in these compounds. This structure is what gives azo dyes their characteristic hues, making them popular in textiles and food dyeing.
  • Applications: This compound is primarily used in the dyeing of wool and silk, and it is also a crucial element in the production of certain pigments for printing inks. Its chlorine substituent helps enhance dye stability under various circumstances.
  • Environmental Impact: As with many azo dyes, there are environmental and health considerations associated with 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline. Some azo dyes can degrade into carcinogenic compounds under certain conditions, which has led to regulatory scrutiny in the textile and dye industries.
  • Synthesis: The synthesis of azo compounds often involves coupling reactions between diazonium salts and aromatic amines. This process is a key topic in organic chemistry due to its relevance in both synthetic methods and understanding reaction mechanisms.
  • Colorimetric Uses: Beyond artifacts in industry, azo compounds like this one can be employed in analytical chemistry for colorimetric assays. They can act as indicators in titrations, making them invaluable in lab settings.

In summary, 4-(2-chlorophenyl)azo-N,N-dimethyl-aniline is not just a chemical compound; it is an essential part of the colorful world around us, linking chemistry to both art and industry. As scientists and students explore this compound, they uncover not just its structure but also its implications in our daily lives.

Synonyms
2'-Chloro-4-dimethylaminoazobenzene
3010-47-7
4-[(2-chlorophenyl)diazenyl]-N,N-dimethylaniline
N,N-Dimethyl-p-((o-chlorophenyl)azo)aniline
ANILINE, N,N-DIMETHYL-p-((o-CHLOROPHENYL)AZO)-
4-((2-Chlorophenyl)diazenyl)-N,N-dimethylaniline
BRN 0749029
SCHEMBL21475735
DTXSID101037485
chloro-4-(dimethylamino) azobenzene
MFCD00059478
2''-Chloro-4-dimethylaminoazobenzene
AKOS034450774
DB-020811
CS-0450693
D89207
Z56755458
(E)-4-((2-chlorophenyl)diazenyl)-N,N-dimethylaniline
4-[(1E)-2-(2-chlorophenyl)diazen-1-yl]-N,N-dimethylaniline
N-(4-[(2-Chlorophenyl)diazenyl]phenyl)-N,N-dimethylamine #