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What are the main uses of 4-iodophenyl (4-iodophenyl) aniline?
4-Iodo-N, N-bis (4-iodophenyl) aniline, the Chinese name is often 4-iodine-N, N- (4-iodophenyl) aniline. The main use of this substance is because it is rich in iodine atoms, which is of great value in the field of materials.
In terms of optical devices (OLEDs), because of its special molecules, it can be filled with optical materials or optical materials. The iodine atoms in its molecules can reduce the energy of the whole molecule, increase the molecular interaction, improve the optical efficiency of the material, and make the OLED device exhibit better optical performance, such as higher brightness, better color light, and better service life.
In the field of semiconductor materials, 4-iodine-N, N-N (4-iodophenyl) aniline can be used in devices such as thin-film crystalline tubes (OTFTs). Its fluidic shift rate of the material can be affected, and the introduction of iodine atoms may improve the performance of the material, so that the OTFT device has a higher current ratio and a more stable working performance. It has a promising application prospect in flexible semiconductor devices, wearable electronics, etc.
In addition, in chemical synthesis, it can be used as a neutralizer to build more advanced molecules. With its iodine-containing functional properties, it can expand the diversity of molecules through means such as anti-equalization, and lay the foundation for the synthesis of new functional materials.
What are the synthesis methods of 4-iodophenyl (4-iodophenyl) aniline?
4-Iodo-N, N-bis (4-iodophenyl) aniline, the synthesis method of this compound is quite complicated, and it is necessary to follow fine steps and appropriate reaction conditions.
First, aniline can be used as the starting material. First, aniline is reacted with iodine substitutes, such as iodine and an appropriate catalyst, in a suitable solvent. This reaction requires controlled temperature and time, so that iodine atoms are introduced into the aniline to generate 4-iodine aniline. In this process, the choice of solvent is very critical, such as polar organic solvents, which can help the reactants dissolve and facilitate the reaction.
Second, the obtained 4-iodoaniline is reacted with iodobenzene in a suitable reaction system with another equivalent of iodoaniline and acid binding agent, such as potassium carbonate. This step aims to connect the nitrogen atom of 4-iodoaniline with two 4-iodoaniline to form the target product 4-iodo-N, N-bis (4-iodophenyl) aniline. This reaction condition needs to be carefully regulated, and the temperature and the proportion of reactants will affect the yield and purity.
In addition, there are methods to use other compounds as starting materials. If the halogenated benzene derivative is used as the starting point, through a multi-step reaction, the skeleton of aniline is first constructed, and then iodine atoms are introduced at a suitable stage to achieve the purpose of synthesizing the target product. Although this approach has many steps, if the design is exquisite, the product with higher yield and purity can also be obtained.
During the synthesis process, after each step of the reaction, proper separation and purification operations are required. Column chromatography, recrystallization and other means can be used to remove impurities and obtain a pure product. And each step of the reaction needs to be closely monitored. By thin layer chromatography (TLC) and other methods, the reaction process can be judged to ensure that the reaction proceeds as expected, so as to efficiently synthesize 4-iodo-N, N-bis (4-iophenyl) aniline.
What are the physical properties of 4-iodophenyl (4-iodophenyl) aniline?
4-Iodo-N, N-bis (4-iodophenyl) aniline is one of the organic compounds. Its physical properties are many, let me tell them one by one.
First of all, its appearance is mostly solid at room temperature. Looking at its color, it often appears white to light yellow, and the texture may be crystalline, delicate and has a certain luster.
The melting point of this substance is quite high, and the lid is due to its strong intermolecular force. There are many iodine atoms in the molecule. Iodine atoms have a large atomic radius and relatively high atomic weight, which increases the van der Waals force between molecules. To make the molecule break free from the lattice and convert from solid to liquid, a higher temperature is required to provide energy, so the melting point is considerable. The boiling point is also correspondingly high. When the liquid state is converted to a gas state, it is also necessary to overcome the strong intermolecular force.
Furthermore, in terms of its solubility. In common organic solvents, such as dichloromethane, chloroform and other halogenated hydrocarbon solvents, there is a certain solubility. Because the compound molecule has a certain hydrophobicity, it can interact with the halogenated hydrocarbon solvent through van der Waals force, so it can be dissolved in it. However, its solubility in water is extremely poor, because its molecular structure is mainly composed of carbon, hydrogen, nitrogen and iodine atoms, the polarity is weak, and it is difficult to form effective interactions with water molecules, such as hydrogen bonds, so it is difficult to dissolve in water.
Also known as its density. Because its molecule contains multiple iodine atoms, iodine atoms are relatively large in atomic weight, resulting in a higher density of the compound than ordinary organic compounds, heavier than common organic solvents, such as ethanol, ether, etc.
In addition, its stability also has characteristics. It can remain relatively stable in normal temperature and pressure, dark and dry environments. However, in case of extreme conditions such as strong oxidizing agents, strong acids and bases, the molecular structure may be affected, triggering chemical reactions and causing structural changes.
In summary, the physical properties of 4-iodo-N, N-bis (4-iodophenyl) aniline, such as appearance, melting point, solubility, density, and stability, are determined by its molecular structure. These properties are crucial in organic chemistry research and related fields.
What are the chemical properties of 4-iodophenyl (4-iodophenyl) aniline?
4-Iodo-N, N-bis (4-iodophenyl) aniline is an organic compound with complex chemical properties. Its structure is unique, containing iodine atoms and aniline derivatives.
Let's talk about its physical properties first. This compound is usually solid and has a high melting point due to intermolecular forces. The iodine atom has a large relative atomic mass, which enhances the intermolecular dispersion force, resulting in a higher melting and boiling point than general aniline derivatives.
Besides chemical properties, iodine atoms have high electronegativity, which reduces the electron cloud density of the benzene ring, so that the electrophilic substitution reaction activity of this compound is lower than that of aniline. However, because it has three benzene rings, the electron conjugation system is large and has high stability. Under appropriate conditions, the electrophilic substitution reaction can occur on the benzene ring, but the reaction conditions are harsh.
It contains an amine group. Although the alkalinity of the amine group is weakened due to the electron-absorbing action of the iodine atom on the benzene ring, it still has a certain alkalinity and can react with acids to form salts. In addition, iodine atoms can participate in nucleophilic substitution reactions. Under suitable reagents and conditions, iodine atoms can be replaced by other groups, which provides the possibility for its chemical modification and derivatization.
This compound may also participate in metal-catalyzed coupling reactions. Because iodine atoms are active, under transition metal catalysis, it can react with carbon-containing nucleophiles to form carbon-carbon bonds for the synthesis of complex organic structures.
However, this compound may not be stable in the environment due to its polyiodine atoms, and iodine atoms may be shed under certain conditions, which affects its environmental behavior and biological activity. And the metabolism of iodine-containing organic compounds in organisms may produce iodine-containing metabolites, and its biological effects need to be further studied.
What is the market price of 4-iodophenyl (4-iodophenyl) aniline?
I look at what you said about "4 - iodo - n% 2Cn - bis% 284 - iodo - phenyl% 29aniline", which is an organic chemical product. It is not easy to know its market price. The price is determined by many factors.
First, the purity of this product has a great impact. If the purity is very high, it is suitable for fine chemical experiments or high-end industrial processes, and the price is high; if the purity is slightly lower, it is only for general research or general application, and the price is slightly reduced.
Second, the state of market supply and demand is also key. If the demand for this product is strong, but the supply is scarce, such as for the research and development of emerging drugs, many pharmaceutical companies compete to purchase, and the price will rise; on the contrary, if the supply exceeds the demand, the price will decline.
Third, the difficulty of production is also related to the price. If its synthesis requires complex processes, special reagents and harsh reaction conditions, the cost will increase greatly, and the price will be high; if the synthesis is relatively simple, the price is expected to be close to the people.
Fourth, the source channel also has an impact. Purchased from a well-known large factory, the quality may be guaranteed, but the price may be higher; if obtained from a small factory or informal channels, the price may be low, but the quality is unpredictable.
Today in the market, it is difficult to have an exact uniform price. Or varies from time to time, varies from city to city. For accurate prices, you can consult chemical reagent suppliers, such as Sinopharm Group Chemical Reagents Co., Ltd., search banner reagent network, etc., or check in detail on the chemical product trading platform to get a more accurate price.