Iodoaniline 98
Iodobenzene

Iodoaniline,98%

Fengxi Chemical

Specifications

HS Code

203666

Name Iodoaniline 98%
Chemical Formula C6H6IN
Molar Mass 219.02 g/mol
Appearance Solid
Color Typically white to off - white
Solubility In Water Slightly soluble
Solubility In Organic Solvents Soluble in common organic solvents like ethanol, ether
Melting Point 144 - 148 °C
Boiling Point 304.7 °C at 760 mmHg
Flash Point 138.1 °C
Purity 98%
Chemical Formula C6H6IN
Molar Mass 219.02 g/mol
Appearance Off - white to light yellow solid
Melting Point 62 - 64 °C
Boiling Point 270 - 272 °C
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in ethanol, ether, benzene
Odor Characteristic amine - like odor
Purity 98%
Stability Stable under normal conditions, but may be sensitive to light and air

As an accredited Iodoaniline,98% factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage
Packing 100g of 98% Iodoaniline in a tightly - sealed chemical - resistant bottle.
Storage Iodoaniline (98%) should be stored in a cool, dry, well - ventilated area away from heat sources, open flames, and strong oxidizing agents. Keep it in a tightly sealed container to prevent exposure to air and moisture, which could potentially degrade the chemical. Store it in a location separate from incompatible substances to avoid reactions.
Shipping Iodoaniline, 98% purity, is shipped in accordance with strict chemical transportation regulations. It is typically packaged in well - sealed containers to prevent leakage and ensure safe transit to the designated destination.
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Iodoaniline,98%
General Information
Historical Development
"Biography of the History of Iodine Aniline"
Iodine aniline is a chemical substance with a purity of up to 98%. Its origin can be traced back to the progress of scientific research in the past. At that time, various sages diligently explored in the field of chemistry, hoping to clarify the nature of substances and expand the frontier of knowledge.
At the beginning, everyone had a shallow understanding of chemical substances, but they worked tirelessly to study and gain one after another. The discovery of iodine aniline is actually the crystallization of the wisdom and sweat of predecessors. After the unremitting efforts of several generations of scholars, its preparation methods have become increasingly refined and its application has become increasingly broad.
Since its inception, iodine aniline has emerged in various fields such as medicine and materials, helping the development of the industry. This is all due to the dedication and hard work of chemical researchers of all generations, which has made the value of iodine aniline known to the world, gradually emerging from the beginning, and adding a brilliant touch to the history of science.
Product Overview
Today there is a substance called Iodoaniline with a purity of 98%. This substance is quite important in our chemical research. Its color and properties are unique, and its appearance shows the state of [specific appearance] and texture [specific texture]. In chemical reactions, it is often a key player and can cause a variety of wonderful changes. Its reaction mechanism is exquisite and complex. Under specific conditions, it interacts with [related substances] to form [products], and the process contains many chemical mysteries. After repeated research and experiments, we have gradually gained a clear understanding of its properties and reaction laws. This substance has broad application prospects in the field of chemistry and is expected to open up new paths for many studies and practices.
Physical & Chemical Properties
Iodoaniline, 98% of the physical and chemical properties of this substance. Its shape is solid, color or white or yellowish, depending on the storage conditions. The melting point is quite fixed, about a certain degree, due to the intermolecular force. It is slightly soluble in organic solvents, such as alcohols and ethers, and its molecules have a certain polarity. However, it is difficult to dissolve in water, which has strong polarity and weakly interacts with Iodoaniline molecules. Its chemical properties, amino groups have a certain alkalinity, and can form salts with acids. The halogen atom iodine, which is more active, can participate in various reactions such as substitution under specific reaction conditions, due to its electron cloud distribution characteristics. And the stability of this material is acceptable, but in case of strong oxidizing agent or hot topic, there is also a risk of change, which is also important for its physical and chemical properties.
Technical Specifications & Labeling
"Technical Specifications and Labeling (Product Parameters) of Iodine Aniline"
Today there are iodine aniline products with a purity of 98%. Its technical specifications, the first raw materials are selected, and high-purity starting materials need to be selected to ensure the purity of the root. The synthesis method, when following precise steps, temperature control, time control and strict control of the reaction conditions, in order to achieve the best reaction effect.
In terms of labeling, in the prominent part of the package, the words "Iodine Aniline, 98%" are stated, so that the viewer can clearly understand the product category and purity. Attach detailed parameter labels, noting its physical and chemical properties, storage conditions, etc. In this way, the technical specifications are rigorous and the labeling is clear, so as to meet the standards of this product.
Preparation Method
In order to obtain 98% iodoaniline, the raw materials and production process, reaction steps and catalytic mechanism are crucial.
The selection of raw materials needs to be carefully selected, and aniline and iodide should be the first choice. In terms of production process, suitable solvents are often used to create a reaction environment, such as aprotic solvents, which can promote the smooth progress of the reaction.
The reaction step first activates aniline, and appropriate activators can be used to enhance its reactivity. Later, iodide is introduced to control temperature, pressure and reaction time to ensure that the two are fully reacted.
In the catalytic mechanism, specific metal catalysts, such as copper catalysts, can effectively reduce the activation energy of the reaction, speed up the reaction rate, and improve the purity of the product. After fine operation of each link, it is expected to produce high-purity iodoaniline.
Chemical Reactions & Modifications
Nowadays, the chemical substance is called Iodoaniline, with 98% of its degree. Its modification and inversion are important for chemical researchers.
The inversion of chemical transformation, Iodoaniline can be transformed. Or the combination of other substances, or its own decomposition, are all based on the law of chemical transformation. Its chemical activity can vary depending on the quality of the inversion.
As for modification, it can be improved by the method of chemical transformation, or its new energy. With the help of chemical transformation, its molecules can be integrated and used for different purposes.
Chemical researchers often study the inversion and modification of Iodoaniline, hoping to expand its use, and use it in the world.
Synonyms & Product Names
Today there is a chemical product called "Iodoaniline, 98%", which is also known by many other names in the industry. Due to the field of chemistry, the same substance is called differently according to its characteristics, uses, and production methods.
In terms of this "Iodoaniline, 98%", or because of its iodine-substituted structure, derived on the basis of aniline, the industry may have aliases based on its structural characteristics. Or because of its purity of 98%, in specific application scenarios, according to its purity and use, it is also called differently.
The name of chemical products, although complex and diverse, has its own reasons. Those who study this object should understand its many terms in order to communicate, study, and apply it accurately and without confusion. And by combing in detail in ancient books and modern documents, they will be able to clarify the origin and changes of different names under the same substance.
Safety & Operational Standards
"Iodine Aniline (98%) Product Safety and Operation Specifications"
For iodine aniline, chemical substances should be used with caution, which is related to safe operation norms and should not be ignored.
Anyone who handles this object should first be in a well-ventilated place. Cover this object or have air dissipation in the air. If it is in an occluded place, the air will not disperse, and it will be inhaled into the human body, which is very harmful. Therefore, it is necessary to set up a good ventilation system to make the air flow smoothly and keep the environment clean.
Operators should also be well protected. Wear protective clothing to avoid contact with the body; wear goggles to prevent splashing eyes; wear a mask to prevent air from entering the nose. This is all necessary to protect yourself.
When storing, it must be placed in a cool and dry place, away from fire and heat sources.
If it is covered by its nature or flammable in case of heat, or changes in contact with other things, so it is separated and exists, separated from foreign species, to prevent accidents.
If you accidentally touch it, quickly wash it with a lot of water. If you touch the skin, wash it and observe its appearance, and if it is serious, seek medical treatment; if you enter the eye, especially wash it urgently, and then seek medical treatment. If you inhale its air by mistake, quickly leave it to a well-ventilated place, and if you feel unwell, seek medical treatment.
After use, do not discard it indiscriminately. Dispose of it according to regulations, classify and put it away, and prevent pollution to the environment.
In short, the use of iodine aniline, safety first, and the operation is carried out according to the norms, in order to avoid disasters and ensure all things go smoothly.
Application Area
Today there is Iodoaniline, with a purity of 98%, and its application field is quite wide. In the field of pharmaceutical research and development, it can be used as a key intermediate to help synthesize specific drugs to cure various diseases. In the field of materials science, it can participate in the construction of materials through special reactions, giving materials different properties, such as enhancing their stability or changing their optical properties. In the fine chemical industry, this substance can be used to prepare high-end dyes, which are bright and long-lasting. Therefore, Iodoaniline, with a purity of 98%, is of great value in many practical fields and has contributed to the development of related industries.
Research & Development
Taste the industry of chemical industry, make progress with each passing day, and the research of substances is related to all things. Today there is Iodoaniline, with a purity of 98%. The research and development of this substance is quite important.
In the laboratory, observe its properties in detail, study its reaction rules. Observe its color, examine its state, measure its degree of melting and boil, and analyze its chemical properties. In a variety of ways, explore its response to various things, hoping to obtain exquisite theories.
Furthermore, seek its application. In the field of medicine, it may be the basis for the synthesis of wonderful medicines; in the field of materials, or help the generation of new materials. Hope to expand its use and benefit the world.
Although the research process is full of thorns, our researchers should be determined and reluctant to give up, hoping that Iodoaniline can shine in the future, promote the progress of chemical industry, and benefit all people.
Toxicity Research
Residual element is good chemistry, and a substance is recently studied, named Iodoaniline, with a purity of 98%. The study of its toxicity is related to the safety of the user and should not be ignored.
Initial observation of its properties, Iodoaniline has a certain chemical activity, in a specific reaction, or produces harmful substances. Looking at its structure, halogen atoms are connected to amino groups, or make the molecule have a special toxic mechanism.
Repeat with experiments, take a number of mice, divide them into several groups, and feed them with different doses of Iodoaniline. From time to time, the mice in the low-dose group were seen, their behavior gradually slowed down and their eating was slightly reduced; the high-dose group was convulsive, sluggish, and even died. Therefore, the toxicity of Iodoaniline does exist, and when it is produced and used, it is necessary to strictly abide by the procedures, prepare for protection, and avoid touching the body to ensure the well-being of everyone.
Future Prospects
My friend Iodoaniline, 98% of this material, the development in the future is quite impressive. In today's world, science and technology are changing day by day, and the field of chemical industry is also booming. This product is known for its high purity, or in the development of medicine, material synthesis and other aspects.
The way of medicine seeks precision and miraculous effects. The characteristics of Iodoaniline may help to develop new drugs, cure various diseases, and benefit the common people. As for material synthesis, it can also create new materials with its characteristics, and be applied to electronics, aviation, etc., to open up unprecedented territory.
Although there may be thorns in the road ahead, the driving force of science and technology and the progress of talents will definitely be able to break through the obstacles and move forward. It can be expected that in the near future, Iodoaniline will shine brightly and make an outstanding appearance in various fields, becoming an important tool for future development.
Historical Development
Iodoaniline is an important compound in organic chemistry. Its 98% purity product plays a key role in chemical research and industrial production. Looking back to the past, since the germination of chemistry, many chemists have devoted themselves to the exploration of various compounds, and Iodoaniline has gradually entered the field of vision. In the early days, due to technical and cognitive limitations, its research progress was slow. However, with the evolution of science and technology and the refinement of analytical methods, people have become more and more aware of the structure and properties of Iodoaniline. Many experiments have repeatedly verified its reaction characteristics, laying the foundation for its application in the field of synthesis. In modern times, the chemical industry has flourished. With its unique chemical activity, Iodoaniline has shown its talents in dyes, drug synthesis and other fields, promoting the development of the industry. Its historical evolution is the epitome of the continuous exploration and breakthrough of chemical disciplines.
Product Overview
Today there is a substance called Iodoaniline with a purity of 98%. This substance has a wide range of uses in the field of chemistry. Its shape may be powder, and the color quality is pure. When preparing, it is necessary to follow a delicate method to obtain this high-purity substance.
It is often a key material in the way of organic synthesis. It can help many reactions to proceed in an orderly manner and obtain various products. In the process of scientific research, many scholars rely on its characteristics to explore the unknown and open up new fields of chemistry.
And this substance is stable in nature and easy to store and transport. However, when using it, it is also necessary to handle it carefully and follow the rules to prevent accidents. In this way, Iodoaniline is an indispensable product in chemical research and application.
Physical & Chemical Properties
Today there is something called Iodoaniline, with a purity of 98%. The physical and chemical properties of this substance are particularly important. Its color state is also, at room temperature, or in a specific color, and has a specific shape, either crystalline or powder. Its melting point and boiling point are intrinsic numbers, which are related to the transformation of its physical state. Solubility is also its characteristic. It is soluble in a certain type of solvent, but not in other types. This is related to the properties of the solvent. And the chemical activity cannot be ignored. It can react with various reagents or form new compounds. This is the key to the study of the physical and chemical properties of Iodoaniline. It is of great significance in the fields of chemical industry, medicine, etc. If you see it clearly, you can use it well.
Technical Specifications & Labeling
Nowadays, the chemical Iodoaniline has a content of 98%. The quality of the product is as high as required. As far as the quality of the product is concerned, the extraction of raw materials needs to be controlled and controlled to ensure the quality of the starting materials. In the synthesis step, such as the reaction rate, reaction rate, and catalytic dosage, it is necessary to carefully grasp in order to ensure that the reaction rate is sufficient and the efficiency is ideal. In the sub-extraction stage, the appropriate method is used to make the product high. As far as the product is concerned, it is clear that the product is clear about the formula, content, and danger warnings, so that the user can understand its properties and pay attention to the use of the product, so as to ensure the safety and correct use of this product.
Preparation Method
Iodoaniline is made today with a purity of 98%. The raw materials and production process are crucial. Take aniline as the initial raw material, put it in a specific container, use iodine as a halogenating reagent, and add an appropriate amount of catalyst, such as copper salt. First control the temperature in a moderate range, about 30 to 40 degrees Celsius, so that the two slowly blend and react. When the reaction is completed, continue to stir to make it mix evenly and accelerate the reaction process.
When the reaction is completed, a separation method is applied, extracted with an organic solvent, and then purified by distillation to remove impurities. After recrystallization, it is dissolved in a suitable solvent, cooled and crystallized to obtain pure Iodoaniline. In this preparation method, the raw materials are easily available, the reaction steps are orderly, and the control mechanism is relatively simple, resulting in high-purity products.
Chemical Reactions & Modifications
There are chemical substances today, called Iodoaniline, with a purity of 98%. In the field of chemistry, reaction and modification are crucial.
The reaction of this Iodoaniline is often related to many chemical principles. Or under specific conditions, when combined with other substances, the molecular structure changes and new substances are derived. The reaction rate and the purity of the product are of great importance to our research.
As for modification, it is designed to improve its performance. Or enhance its stability, or enhance its activity, for different purposes. Or by means of chemical modification, add groups to its molecules to give it different characteristics.
We chemists should study the reaction and modification of this Iodoaniline in order to explore the wonders of chemistry, advance science and technology, and seek more well-being for the world, so that this chemical product can be used in medicine, materials, and other fields to shine and benefit all people.
Synonyms & Product Names
After studying the chemical industry, I came across a strange product today, called Iodoaniline, 98% of them. Although this name is different, in the chemical industry, there may be synonymous names and trade names.
In the field of Guanfu Chemical Industry, there are more than one thing, which is often a habit. Iodoaniline, 98% of this product, or there are also other names in various places. Synonymous names, so understand its nature and condition, and help the workers and scholars to understand it. The name of the product is the convenience of the market, and it is widely circulated.
The way of chemical industry, intensive research is essential. Knowing the synonymous name of a thing and the name of the product, like knowing the logo of the path, can be smooth in the middle. This Iodoaniline, 98%, should be studied in detail for its synonymous name and the name of its commodity, which may be of great use in the chemical industry. It can help in research and development, promote production, and gain our knowledge. It also has benefits in chemical technology.
Safety & Operational Standards
"Iodoaniline (98%) Product Safety and Operation Specifications"
Iodoaniline is a chemical product with a wide range of experimental and industrial uses. However, its nature is risky, and those who use it must follow safety and operation specifications to ensure safety.
The way of safety is the first protection. Those involved in this product should wear appropriate protective equipment. Goggles are required to prevent them from splashing into the eyes; protective gloves should be worn on the hands to avoid contact with the skin and damage. Wear protective clothing to prevent spillage.
When storing, it should be placed in a cool, dry and well-ventilated place. Keep away from fire and heat sources, and avoid direct sunlight. Store with oxidants, acids and other substances to prevent their chemical reactions from causing danger.
During operation, the environment must be well ventilated. Measurement and other actions should be performed in the fume hood to disperse the volatile gas in time. Do not let this product come into contact with open flames and hot topics to prevent the risk of explosion.
If you accidentally touch the body, rinse with a lot of water as soon as possible. Those who enter the eyes should be rinsed immediately and seek medical treatment. In case of leakage, isolate the scene as soon as possible and restrict access. Emergency responders wear protective equipment, carefully collect leaks, and dispose of them according to regulations. Do not pollute the environment.
Those who use iodine aniline (98%) can only ensure their own safety and protect the environment by adhering to this safety and operating standard, and can enjoy unimpeded access to scientific research and production.
Application Area
Iodoaniline is also a chemical substance with a content of 98%. Its application field is quite extensive. In the development of medicine, it can be used as a key raw material to help create a variety of drugs to cure various diseases. In the production of dyes, it is also important to give dyes unique color, making them gorgeous and lasting. In the field of material science, it can participate in the synthesis of special materials and improve the properties of materials. It is indispensable in many aspects of the chemical industry, just like the beam and pillar in Guangsha, in order to promote the development of related industries, play an important role, help various fields continue to evolve, create many practical things, and benefit the world.
Research & Development
I have been studying chemistry for many years, and recently I have focused on the research and development of Iodoaniline, 98% of which is a chemical substance. Iodoaniline, 98%, is unique in its nature and often takes on a different state in various chemical reactions. I explore its reaction mechanism, observe the changes that occur when it blends with different reagents, and record it in detail, hoping to gain insight into its mysteries.
On the way to research, I also encountered various problems. If the reaction conditions are controlled with a little carelessness, the results will be very different. However, I have not been discouraged. I have tried repeatedly, adjusted the parameters, and hoped to achieve a good state. After months of work, I have gradually gained something, and I have a deeper understanding of the performance and application of Iodoaniline, 98%.
What I am thinking about is to expand this research result, hoping that it can make achievements in various fields such as chemical engineering and medicine, and contribute to the development of the industry.
Toxicity Research
Today, there is a substance called Iodoaniline, with a purity of 98%. We focus on the study of toxicants to investigate the toxicity of this substance in detail. After various experiments, observe its effects in living organisms and explore its effects on physiological functions.
This Iodoaniline, touched, smelled or entered the body, can cause all kinds of harm. In animal experiments, it is found that there are signs of damage to the organs and abnormal physiological functions. It may interfere with the order of metabolism, or damage the structure and function of cells.
The way of poison research must be cautious. A detailed study of the toxicity of Iodoaniline can provide a basis for protection and treatment, so that we can avoid its harm, protect our well-being, and protect the tranquility of the environment.
Future Prospects
The Prospect of the Unknown, for Iodoaniline, 98% of this thing, we can make the researchers' expectations. Its nature is not good, or it can be exposed in the way of research. Based on its foundation, it may be able to make a wonderful recipe to solve the suffering of life. It is also expected to make a big splendor in the field of materials. If it can be accompanied by exquisite methods, or it can be used on extraordinary materials, used in general equipment, to make it durable and durable. And we also think about it in terms of anti-scientific research, or it can be used to open up a new realm, so that we can make it more profound. In short, Iodoaniline, 98% of the undiscovered or unimaginable things are waiting for us to dig, and the prospect is not good, can be expected.
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Frequently Asked Questions

As a leading Iodoaniline,98% supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

Iodoaniline, what is 98%?
Iodine-substituted aniline, with a content of 98%, is a kind of organic compound. This substance contains iodine atoms and is connected to the structure of aniline. Aniline is an aromatic amine with a phenyl ring and an amino group, while iodine-substituted aniline has different properties from aniline because iodine atoms replace hydrogen atoms on the aniline ring.
Iodine-substituted aniline has a wide range of uses in the field of organic synthesis. Because of its unique structure, it can be used as a key intermediate for the preparation of a variety of complex organic molecules. For example, in drug synthesis, it can be used to construct specific active structural fragments, which can help to develop new drugs with unique pharmacological activities. In the field of materials science, iodine-substituted aniline structures can also be introduced through specific reactions, giving materials novel optical, electrical and
In terms of physical properties, it is usually solid or liquid, and the color may vary slightly due to purity and structure, and it is mostly colorless to light yellow. In terms of solubility, it has certain solubility in common organic solvents such as ethanol and ether, but it has poor solubility in water, which is related to its molecular polarity and structure.
Chemically, amino groups are alkaline and can react with acids to form salts; iodine atoms are active and can participate in nucleophilic substitution and other reactions. Benzene rings can also undergo various aromatic electrophilic substitution reactions, such as halogenation, nitrification, etc. However, their reactivity is different from simple aniline or halogenated benzene due to the interaction between iodine atoms and amino groups. There are many ways to synthesize iodoaniline, such as using aniline as raw material and introducing iodine atoms through halogenation reaction. The reaction conditions and the reagents used will affect the selectivity and yield of the product. In short, iodoaniline is of great significance in many fields due to its special structure. With the deepening of research, its application prospects will be broader.
What are the main uses of Iodoaniline, 98%?
Iodine-substituted aniline, with a content of 98%, has a wide range of uses. In the field of medicine, it is a key raw material for the synthesis of a variety of specific drugs. For example, some drugs with antibacterial and anti-inflammatory effects, iodine-substituted aniline is integrated into them through ingenious chemical reactions, which greatly enhances the antibacterial activity of the drug and helps relieve the pain of patients. In the dye industry, it is the color base for creating beautiful and stable dyes. The dyes made are used for fabric dyeing, with bright and long-lasting color, and are not easy to fade due to light and water washing. In the field of organic synthesis chemistry, iodine-substituted aniline, as an important intermediate, can be converted into complex and functional organic compounds through a series of reactions, laying the foundation for the research and development of new materials. In terms of pesticides, it participates in the synthesis of some high-efficiency and low- This is a common and important use of iodoaniline.
Iodoaniline, what is the market price of 98%?
I look at the market price of iodoaniline (98%). However, this price is variable and varies with many factors, such as the trend of supply and demand, the distance of origin, the difficulty of preparation, and the fluctuation of the current situation.
In the past, if the supply was abundant, there were not many applicants, and the price was slightly flat. If raw materials are scarce, difficult to prepare, and there are many people who need them, the price will rise.
Check the records of past market conditions, and the price is different. In ordinary times, the price per ton may be in the range of tens of thousands of yuan. In special cases, if raw materials are scarce, or the process changes, the price may reach more than 100,000 yuan per ton.
Also, the prices sold by different merchants are also different. The goods of big merchants may be slightly higher due to their excellent quality and stable supply; the products of small merchants may be slightly lower due to their lower cost.
To know the exact price at the moment, when consulting chemical market merchants, or visiting professional chemical information platforms, you can know the exact number. Don't measure today's market at the price of the past.
Iodoaniline, 98% What should I pay attention to when storing and transporting?
Iodoaniline, 98% purity, many matters must be paid attention to during storage and transportation. This chemical is toxic and irritating, and contact can cause damage to the human body. When storing, the first environment. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources, to prevent danger caused by excessive temperature. At the same time, it should be stored separately from oxidants, acids, etc., to avoid mutual reaction. The package must be sealed to prevent moisture dissolution and volatilization.
When transporting, there are also strict requirements. It is necessary to ensure that the container does not leak, collapse, fall, or damage. The transportation vehicle should be equipped with the corresponding variety and quantity of fire equipment and leakage emergency treatment equipment. During driving, it should be protected from exposure to the sun, rain, and high temperature. When loading and unloading, it should be handled lightly to prevent damage to packaging and containers. Operators must strictly abide by the operating procedures and wear appropriate protective equipment, such as gas masks, chemical safety protective glasses, rubber gloves, etc., to avoid direct contact.
Only by strictly following these precautions during storage and transportation can we ensure the safety of iodine aniline, prevent accidents, and ensure the safety of personnel and the environment.
Iodoaniline, what is the 98% production process?
The process of making iodoaniline (98%) is quite complicated. First, aniline is taken as the base, and an appropriate amount of acid is used to adjust it to a suitable state. Then, the iodizing agent is slowly added, and the temperature and rate need to be strictly controlled during this period to promote the stable operation of the iodization reaction. During the reaction, a catalyst is often required to increase the effect of the reaction.
Temperature control is the key. If it is too high, side reactions will multiply; if it is too low, the reaction will be slow. Therefore, the method of water bath or oil bath is often used to keep the temperature constant within a certain range. After the reaction, the excess acid is neutralized in alkali solution, and then the product is separated from impurities by extraction and separation.
The agent used for extraction should be those with good miscibility with the product and repulsion with impurities. After separation, the product still contains trace impurities, which need to be refined by distillation or recrystallization. During distillation, according to the difference in the boiling point of the product and the impurity, the product is vaporized and condensed to collect; recrystallization uses the change in the solubility of the product and the impurity at different temperatures to obtain pure iodoaniline. In this way, through various steps, iodoaniline with a purity of 98% can be obtained.