9H-Carbazole, 3-Iodo-9-Phenyl-

3-Iodine-9-phenyl-9H-carbazole is a crucial compound in the field of organic synthesis and has a wide range of uses.
In the field of materials science, this compound shines brightly. Due to its unique structure and optoelectronic properties, it is often used as a luminescent material for organic electroluminescent Light Emitting Diodes (OLEDs). OLEDs have many advantages such as self-luminescence, wide viewing angle, and fast response speed, and are widely used in the field of display screens. 3-Iodine-9-phenyl-9H-carbazole can optimize the color purity and luminous efficiency of OLED devices, and help improve the image quality and performance of the display screen.
In the field of organic synthetic chemistry, it is also a key intermediate. Due to the activity of iodine atoms, it can participate in a variety of organic reactions, such as Suzuki coupling reaction, Heck reaction, etc. Through these reactions, different functional groups can be introduced into the carbazole skeleton, thereby synthesizing more complex and diverse organic compounds, laying the foundation for the creation of new drugs, functional materials, etc.
In terms of optical materials, the compound has good fluorescence properties and can be used in the preparation of fluorescent probes. Fluorescence probes have a wide range of uses in the biomedical field, enabling highly sensitive detection and imaging of specific substances or biological processes in living organisms, enabling researchers to deeply explore the mysteries of living organisms.
In short, 3-iodine-9-phenyl-9H-carbazole plays an indispensable role in many fields such as materials science, organic synthesis and biomedicine, and is of great significance to promote the development of related fields.

3-Iodine-9-phenyl-9H-carbazole is also an organic compound. Its physical properties are worth exploring.
First, at room temperature, it is mostly in a solid state, usually white to light yellow crystalline powder. The shape of this color state is due to the role of the conjugate system in the molecular structure, which has a significant impact on light absorption and reflection.
As for the melting point, it has been experimentally determined to be in a certain temperature range, which has a great impact on its purity identification and subsequent application. The melting point is closely related to the intermolecular forces. There are aromatic rings and iodine atoms in the molecules. Van der Waals force and other weak interactions make the molecules closely bound, so the melting point is relatively high.
In terms of solubility, 3-iodine-9-phenyl-9H-carbazole has different behaviors in common organic solvents. In non-polar organic solvents such as toluene and dichloromethane, it exhibits good solubility. This is due to the principle of "similar miscibility". Its molecular structure has a certain degree of non-polarity and can interact well with non-polar solvents. However, in polar solvents such as water, the solubility is very small, because the overall polarity of the molecules is weak, and it is difficult to form effective interactions with water molecules.
Furthermore, its density is also an important physical property. Although the specific value needs to be accurately measured experimentally, it can be speculated that due to the large atomic weight of iodine atoms in the molecule, its density is higher than that of some similar organic compounds that do not contain heavy atoms.
And its stability, under normal environmental conditions, has a certain chemical stability. When encountering extreme chemical environments such as strong oxidizing agents and strong acids and bases, some chemical bonds in the molecular structure may change. Because of its iodine atoms, it can participate in reactions such as nucleophilic substitution, and the aromatic ring structure can also undergo reactions such as electrophilic substitution, which all affect its stability.
In conclusion, the physical properties of 3-iodine-9-phenyl-9H-carbazole are essential for applications in organic synthesis, materials science, and other fields.

3-Iodine-9-phenyl-9H-carbazole, this is an organic compound with unique chemical properties. Its molecule contains a carbazole parent nucleus, a phenyl group at the 9th position, and an iodine atom at the 3rd position, which gives it various characteristics.
In terms of physical properties, it is mostly solid at room temperature due to large intermolecular forces. In view of its structure containing a large conjugate system, it has a high melting point and good stability. This conjugated structure allows it to have special optical properties, capable of absorbing specific wavelengths of light, fluorescing or fluorescing under light, and has potential applications in the field of optoelectronic materials, such as the preparation of organic Light Emitting Diode (OLED) materials, which generate specific color light with their fluorescence properties and improve the display effect.
Chemically, iodine atoms are highly active and can participate in a variety of chemical reactions. For example, nucleophilic substitution reactions, iodine atoms are easily replaced by nucleophiles, introducing other functional groups to expand the application range of compounds. Phenyl groups increase the hydrophobicity of molecules and affect their solubility in different solvents. In organic synthesis, 3-iodine-9-phenyl-9H-carbazole can be used as a key intermediate to construct more complex organic molecular structures through a series of reactions, laying the foundation for the development of new drugs and materials. Due to its unique chemical structure and properties, it has attracted much attention in materials science, medicinal chemistry and other fields, and has broad research prospects.

To prepare 3-iodine-9-phenyl-9H-carbazole, the following ancient methods can be used.
First, 9-phenyl-9H-carbazole is used as the base material, and this material must be pure and free of impurities. Take an appropriate amount of 9-phenyl-9H-carbazole and place it in a clean reaction vessel. The container used should be chemically resistant and temperature-tolerant.
Second-choice iodine substitution reagent, often with iodine element ($I_ {2} $) with appropriate oxidant, such as hydrogen peroxide ($H_ {2} O_ {2} $) or nitric acid ($HNO_ {3} $). If iodine and hydrogen peroxide are used in the reaction system, hydrogen peroxide can slowly release reactive oxygen species, promote the activation of iodine, and then react with 9-phenyl-9H-carbazole.
Use anhydrous dichloromethane or N, N-dimethylformamide (DMF) as a solvent, which can fully disperse the reactants and allow the reaction to proceed uniformly. Dissolve 9-phenyl-9H-carbazole into the selected solvent and stir well to form a uniform solution. The stirring rate should be moderate, if it is too fast, it is easy to cause the solution to splash, if it is too slow, the reaction will be uneven.
Then, at low temperature and protected from light, the iodine-substituted reagent is slowly added dropwise to the reaction solution. The reaction rate is controlled at low temperature to avoid side reactions; when protected from light, some reaction intermediates are sensitive to light, and light can easily cause the reaction direction to deviate. The dropwise addition speed needs to be carefully controlled. If it is too fast, the local concentration will be too high, and impurities will be easily generated; if it is too slow, it will take too long.
Add dropwise, gradually heat up to a suitable reaction temperature, and maintain this temperature for continuous stirring. Temperature control is the key. Under different reaction conditions, the appropriate temperature varies, about between room temperature and 60 degrees Celsius. During this process, pay close attention to the reaction process, which can be monitored by thin layer chromatography (TLC). Using a silica gel plate as a carrier, select an appropriate development agent, and take a sample of the reaction liquid at regular intervals. Observe the movement and change of the sample spots to determine the degree of reaction.
After the reaction is completed, pour the reaction liquid into an appropriate amount of ice water to precipitate the product. Then extract with an organic solvent, such as ethyl acetate or dichloromethane, and extract several times to collect the organic phase. Then dry the organic phase with anhydrous sodium sulfate or magnesium sulfate to remove the moisture.
Finally, the organic solvent is removed by vacuum distillation to obtain a crude product. The crude product was purified by column chromatography, silica gel was selected as the stationary phase, and the mixture of petroleum ether and ethyl acetate in different proportions was used as the mobile phase. According to the polarity difference of the product, the impurities were separated from the target product, and the final product was 3-iodine-9-phenyl-9H-carbazole.

I don't know what the market price of 3-iodine-9-phenyl-9H-carbazole is. The price of this compound varies greatly due to differences in quality, purity, supply and purchase quantity.
If you want it in the chemical raw material market, the price of high purity is usually higher than that of ordinary purity. If you want to buy a small amount, or for laboratory research, the price may be in terms of grams, and it fluctuates greatly depending on the supplier.
If you buy it in bulk, such as for industrial production, the unit price may decrease due to the scale effect. However, its synthesis or involves complex steps and raw materials, resulting in high costs.
Furthermore, market supply and demand also affect its price. If there are many people who want it, and there are few products, the price will rise; on the contrary, if the supply exceeds the demand, the price may drop.
To determine its price range, you can consult chemical product suppliers and browse chemical trading websites to compare quotes from various companies to obtain a more accurate price range.