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Disperse Orange 3

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Identification
Molecular formula
C18H11Cl5N4
CAS number
730-40-5
IUPAC name
3,4-dichloro-N-[2-chloro-4-(3,4-dichlorophenyl)azo-phenyl]aniline
State
State

At room temperature, Disperse Orange 3 is typically in a solid state, particularly as a crystalline powder, though it may also appear amorphous depending on how it is processed or manufactured.

Melting point (Celsius)
175.00
Melting point (Kelvin)
448.15
Boiling point (Celsius)
325.00
Boiling point (Kelvin)
598.15
General information
Molecular weight
370.53g/mol
Molar mass
370.5290g/mol
Density
1.4400g/cm3
Appearence

Disperse Orange 3 appears as an orange to brownish-orange powder. It is a dye used commonly in textile industries, particularly for dyeing polyester fibers.

Comment on solubility

Solubility of 3,4-dichloro-N-[2-chloro-4-(3,4-dichlorophenyl)azo-phenyl]aniline

The solubility of 3,4-dichloro-N-[2-chloro-4-(3,4-dichlorophenyl)azo-phenyl]aniline is of particular interest due to its complex molecular structure and functional groups. Here are some key points to consider:

  • Polar and Non-polar Character: Given the presence of both chlorine atoms and an azo group, this compound exhibits a range of polar and non-polar characteristics, which can affect its solubility in different solvents.
  • Solubility in Organic Solvents: It tends to be more soluble in organic solvents such as ethanol or dimethyl sulfoxide (DMSO) due to its hydrophobic aromatic rings.
  • Limited Water Solubility: Conversely, the solubility in water is generally low because of its large non-polar structure which does not favor strong interactions with water molecules.

In conclusion, the solubility profile of this compound highlights the complex interplay of its functional groups. As a result, one can expect it to be:

  • Poorly soluble in water
  • More readily soluble in organic solvents

This information is essential for applications in various fields such as dyes and pigments, where solubility might significantly influence performance.

Interesting facts

Interesting Facts about 3,4-Dichloro-N-[2-chloro-4-(3,4-dichlorophenyl)azo-phenyl]aniline

This compound, known as a type of azo dye, exhibits remarkable properties and significance in various fields. As a scientist or chemistry enthusiast, one can explore the following intriguing aspects:

  • Color Application: Azo dyes are celebrated for their vibrant colors and are widely used in textiles to impart vivid shades. The presence of multiple chlorine atoms enhances the dye's stability, making it robust against fading.
  • Biological Implications: Research into azo compounds has uncovered links to potential carcinogenic effects. The compound’s complex structure raises critical discussions regarding safety and environmental impacts.
  • Analytical Chemistry: Azo dyes have become pivotal in various analytical techniques. They can act as pH indicators or serve as targets in high-performance liquid chromatography (HPLC), showcasing their versatility in scientific research.
  • Synthetic Pathways: The synthesis of this compound involves fascinating reactions like diazotization and coupling. The multi-step process reflects the intricate nature of organic chemistry and allows for studying reaction mechanisms.

In summary, the compound's applications in dyeing and its implications for health and safety make it a subject of ongoing research and discussion. As you delve deeper into the world of azo dyes, remember the words of renowned chemists: "Chemistry is the science of matter, but it’s also a science of transformation."

Synonyms
27125-68-4
4-(3,4-Dichloroanilino)-3,3',4'-trichloroazobenzene
3,3',4'-Trichlor-4-(3,4-dichloranilino)-azobenzol
Benzenamine, 2-chloro-N-(3,4-dichlorophenyl)-4-((3,4-dichlorophenyl)azo)-