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Disperse Orange 25

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Identification
Molecular formula
C14H13ClN4O3
CAS number
3626-36-6
IUPAC name
2-(2-chloro-4-nitro-phenyl)azo-5-methoxy-4-methyl-aniline
State
State

At room temperature, Disperse Orange 25 is in a solid state, manifesting as a powdery substance that is typically orange in appearance.

Melting point (Celsius)
216.00
Melting point (Kelvin)
489.15
Boiling point (Celsius)
570.65
Boiling point (Kelvin)
843.80
General information
Molecular weight
327.74g/mol
Molar mass
327.7360g/mol
Density
1.4680g/cm3
Appearence

Disperse Orange 25 is an orange to reddish crystalline powder. It is commonly used as a dye.

Comment on solubility

Solubility of 2-(2-chloro-4-nitro-phenyl)azo-5-methoxy-4-methyl-aniline

Understanding the solubility of 2-(2-chloro-4-nitro-phenyl)azo-5-methoxy-4-methyl-aniline is crucial for applications in various chemical processes, including dyes and pharmaceuticals. Generally, the solubility of such azo compounds can be influenced by a number of factors:

  • Polarity: The presence of electron-donating and electron-withdrawing substituents, such as the nitro and methoxy groups in this compound, affects its overall polarity, thereby influencing its solubility in polar vs. non-polar solvents.
  • Hydrogen Bonding: Azo compounds can engage in hydrogen bonding, particularly if they have functional groups that can both donate and accept hydrogen bonds, which may enhance their solubility in polar solvents like water.
  • pH Dependency: The solubility of certain amine compounds can significantly change with pH, as protonation can occur under acidic conditions, affecting solubility.
  • Temperature: Increased temperature generally increases solubility for many compounds, allowing for better dissolution.

Despite these influences, the solubility of 2-(2-chloro-4-nitro-phenyl)azo-5-methoxy-4-methyl-aniline is variable. It is often described as being sparingly soluble in water but may find better solubility in organic solvents such as ethanol or acetone. Factors such as concentration and the specific solvent used play a significant role in determining the effectiveness of dissolution.

In summary, for anyone working with this compound, it's essential to consider these solubility characteristics to ensure optimal use in any given chemical application.

Interesting facts

Interesting Facts About 2-(2-Chloro-4-nitro-phenyl)azo-5-methoxy-4-methyl-aniline

This fascinating compound, often simply referred to as a type of azo dye, is notable for its vibrant color and extensive applications in various industries. Here are some key points that highlight its significance:

  • Azo Dyes: Azo compounds, which contain the functional group -N=N-, are responsible for a broad spectrum of colors in textiles and other materials, making them essential in dye chemistry.
  • Applications: Used primarily in the textile industry, this compound serves as a dye agent, imparting vivid pigmentation. It's also utilized in the manufacturing of inks, plastics, and food coloring.
  • Synthetic Versatility: The presence of different functional groups, like nitro and chloro, allows for a variety of synthetic routes, which chemists exploit to modify the compound for specific applications.
  • Toxicity and Safety: Like many azo dyes, certain derivatives may be associated with environmental and health concerns. Understanding their toxicity is crucial for safety in handling and use.
  • Color Chemistry: The color produced by azo compounds is not only aesthetically pleasing but also dependent on factors such as pH and the presence of metal ions, making them interesting subjects for pH indicators.
  • Research Impact: As a research focus, the study of azo dyes sheds light on the mechanisms of dye degradation, environmental impact, and the search for cleaner synthetic alternatives.

In summary, 2-(2-chloro-4-nitro-phenyl)azo-5-methoxy-4-methyl-aniline is more than just a compound; it represents a crossroads of art and science, with implications that stretch across chemistry, environmental science, and industrial applications. As the field of molecular chemistry evolves, so too will our understanding and utilization of such vibrant compounds.

Synonyms
2-(2-Chloro-4-nitrophenylazo)-5-methoxy-p-toluidine
4274-06-0
Fast Brown Salt VA
Brown salt NV
Fast Brown Salt V
Fast Brown Salt RR
Fast Brown V Salt
Fast Brown VA Salt
Azo Dye No. 6945
C.I. Azoic Diazo Component 21
EINECS 224-273-2
BRN 3459033
C.I. 37200
6-((2-Chloro-4-nitrophenyl)azo)-4-methyl-m-anisidine
4-Methyl-6-(((2-chloro-4-nitro)phenyl)azo)-m-anisidine
2-Chloro-4-nitrobenzeneazo-2'-amino-4'-methoxy-5'-methylbenzene
Benzenamine, 2-((2-chloro-4-nitrophenyl)azo)-5-methoxy-4-methyl-
3-16-00-00453 (Beilstein Handbook Reference)
SCHEMBL9073680
m-Anisidine, 6-((2-chloro-4-nitrophenyl)azo)-4-methyl-
BUHDOMOJOMCPRZ-UHFFFAOYSA-N
DTXSID701037821
m-ANISIDINE, 4-METHYL-6-(((2-CHLORO-4-NITRO)PHENYL)AZO)-
NS00047216
Benzenamine, 2-[2-(2-chloro-4-nitrophenyl)diazenyl]-5-methoxy-4-methyl-