Abstract

This article provides a comprehensive overview of N,N'-Diphenyl-4,4'-dianilino-biphenyl (C18H16N2), a chemical compound with the CID 6319. The article delves into the structure, properties, synthesis, applications, and environmental impact of this compound, offering insights into its significance in various fields, including organic chemistry and material science.

Introduction to N,N'-Diphenyl-4,4'-dianilino-biphenyl

N,N'-Diphenyl-4,4'-dianilino-biphenyl, with the chemical formula C18H16N2 and CID 6319, is a diarylamine compound that has garnered attention in the fields of organic chemistry and material science. This compound is characterized by its biphenyl backbone, which consists of two benzene rings connected by a single bond. The presence of two anilino groups (phenylamine) attached to the biphenyl rings adds to its unique chemical properties.

Chemical Structure and Properties

The chemical structure of N,N'-Diphenyl-4,4'-dianilino-biphenyl is quite distinctive. The biphenyl backbone provides a rigid and planar structure, which is further stabilized by the aromatic rings. The anilino groups introduce nitrogen atoms into the molecule, which can participate in various chemical reactions. The compound is known for its yellowish color and is soluble in organic solvents such as chloroform and acetone. Its melting point is approximately 160-162°C, and it has a boiling point of around 400°C.

Synthesis of N,N'-Diphenyl-4,4'-dianilino-biphenyl

The synthesis of N,N'-Diphenyl-4,4'-dianilino-biphenyl involves several steps, typically starting from the reaction of 4,4'-dianiline with a suitable diphenyl compound. One common method involves the condensation reaction between 4,4'-dianiline and diphenylhydrazine in the presence of a catalyst, such as aluminum chloride. This reaction leads to the formation of the desired compound, which is then purified through recrystallization or column chromatography.

Applications of N,N'-Diphenyl-4,4'-dianilino-biphenyl

N,N'-Diphenyl-4,4'-dianilino-biphenyl finds applications in various fields due to its unique chemical properties. In organic synthesis, it serves as a building block for the preparation of more complex molecules, including dyes, pharmaceuticals, and agrochemicals. Additionally, its photophysical properties make it suitable for use in optoelectronic devices, such as organic light-emitting diodes (OLEDs). Furthermore, its thermal stability and flame retardant properties make it a potential candidate for use in polymer materials.

Environmental Impact and Safety Considerations

The environmental impact of N,N'-Diphenyl-4,4'-dianilino-biphenyl is a subject of concern. The compound is toxic to aquatic organisms and can accumulate in the environment, posing a risk to ecosystems. It is also classified as a hazardous substance due to its potential to cause irritation to the skin and eyes. Proper handling and disposal of the compound are essential to minimize its environmental impact. Safety protocols, including the use of personal protective equipment and adherence to occupational health and safety regulations, are crucial when working with this compound.

Conclusion

In conclusion, N,N'-Diphenyl-4,4'-dianilino-biphenyl (C18H16N2) is a versatile compound with significant applications in organic chemistry and material science. Its unique chemical structure and properties make it a valuable building block for the synthesis of various compounds. However, its environmental impact and safety considerations necessitate careful handling and disposal. As research continues to advance, the potential of N,N'-Diphenyl-4,4'-dianilino-biphenyl in new applications will likely be explored further.

Keywords

N,N'-Diphenyl-4,4'-dianilino-biphenyl, C18H16N2, CID 6319, diarylamine, synthesis, applications, environmental impact, safety considerations