1-Bromo-3,5-Diethyl-4-Iodobenzene

Fengxi Chemical

Specifications

HS Code	955241
Chemical Formula	C10H12BrI
Molecular Weight	341.91
Appearance	Solid (usually)
Melting Point	Data needed
Boiling Point	Data needed
Density	Data needed
Solubility In Water	Insoluble (expected)
Solubility In Organic Solvents	Soluble in common organic solvents like dichloromethane
Vapor Pressure	Low (expected for a solid)
Flash Point	Data needed
Stability	Stable under normal conditions but may react with strong oxidizing agents
Chemical Formula	C10H12BrI
Molecular Weight	355.91
Appearance	Solid (usually)
Melting Point	Data needed
Boiling Point	Data needed
Density	Data needed
Solubility In Water	Insoluble (expected due to non - polar nature)
Solubility In Organic Solvents	Soluble in common organic solvents like dichloromethane, chloroform
Vapor Pressure	Low (due to high molecular weight and solid state)
Stability	Stable under normal conditions, but may react with strong oxidizing agents

As an accredited 1-Bromo-3,5-Diethyl-4-Iodobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	100 g of 1 - bromo - 3,5 - diethyl - 4 - iodobenzene packaged in a sealed glass bottle.
Storage	1 - Bromo - 3,5 - diethyl - 4 - iodobenzene should be stored in a cool, dry, well - ventilated area away from heat sources and open flames. Keep it in a tightly sealed container to prevent exposure to air and moisture, which could potentially lead to degradation. Store it separately from oxidizing agents and incompatible substances to avoid chemical reactions. Label the storage container clearly for easy identification.
Shipping	1 - bromo - 3,5 - diethyl - 4 - iodobenzene is shipped in sealed, corrosion - resistant containers. Packaging adheres to chemical transport regulations. Shipment is via approved carriers, ensuring proper handling and safety during transit.

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General Information

Historical Development

Taste the wonders of chemistry, there are many substances and endless changes. Today there is 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene, and its origin is also very interesting. In the beginning, all the sages were in the field of chemistry, dedicated to their efforts and unremitting research. Looking at the past, the rise of chemistry, since the beginning of the micro, many scholars have been exploring the heart and seeking the secrets of matter. On the way to synthesis, step by step exploration, after countless attempts, this compound was obtained. Although it has gone through twists and turns, the ambitions of the dukes have not changed, and finally 1-Bromo-3,5-Diethyl-4-Iodobenzene appeared before the world, adding a treasure to the chemical library and paving the way for subsequent research. Its historical evolution is really a wonderful page in the long volume of chemical development.

Product Overview

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene
1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene, the synthesis of the chemical compound is also. Its molecules are produced in a special way, and the bromine and iodine atoms are ingenious phases of diethylbenzene.
The properties of this compound, in terms of physics, are often low or solid, and have specific melting boils. It can be obtained according to the phase method. Solubility is also one of its characteristics. It is soluble or soluble in some materials.
On the chemical properties, because it contains atoms, it can be used for multiple reactions. If the nucleus is substituted for antibodies, the atom can be placed by other nucleotides, which is an important way to synthesize new compounds. It has a high value in the synthesis field, and can be used in the synthesis process. A series of antibodies can be derived, and many molecules with special functions can be derived.
Synthesis requires precise control of the antibodies, the degree of resistance, the proportion of antibodies, and the catalysis. Therefore, 1-Bromo-3,5-Diethyl-4-Iodobenzene has an important position in chemical research and synthesis.

Physical & Chemical Properties

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is an organic compound. Its physical and chemical properties are quite important. From the perspective of physical properties, at room temperature, this substance may be in a solid state with a specific melting point. Due to the halogen atoms in the molecular structure, the intermolecular forces are different, and the melting point may vary accordingly. Its appearance may be white to light yellow solid, and the color varies slightly depending on the purity.
When it comes to chemical properties, halogen atoms are active. Bromine and iodine atoms can participate in various substitution reactions. In nucleophilic substitution reactions, halogen atoms are easily replaced by nucleophilic reagents. And there is an ethyl group on the benzene ring, which can affect the electron cloud density of the benzene ring and change the electrophilic substitution activity of the benzene ring. The physical and chemical properties of this compound lay the foundation for its application in organic synthesis and other fields.

Technical Specifications & Labeling

There is a product today, named 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene. In this product, its technical specifications and identification (commodity parameters) are the key.
When it comes to its technical specifications, its chemical composition and physical properties should be carefully examined. This substance is related to the benzene ring by groups such as bromine (Bromo), iodine (Iodo) and diethyl (Diethyl). Its chemical structure is precise, which is related to its properties and uses. Physical properties such as melting point, boiling point, solubility, etc. must also be clearly identified, which are all factors for measuring its quality.
As for the label (commodity parameters), the name of the product should be clearly stated on the package, and the chemical molecular formula should be marked to indicate its exact composition. It is necessary to list the number of purity in detail to prove its purity. And storage conditions, safety precautions, etc., are also not clear to the user, so that they can be properly disposed of to ensure their quality and safe and appropriate use.

Preparation Method

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is an important organic compound. Its preparation method is crucial.
In terms of raw materials, it is necessary to select suitable starting materials, such as specific benzene derivatives, which is the basis for the initiation of the reaction. In the synthesis process, it can be achieved through multi-step reaction. First, a halogenation reaction is used to introduce bromine atoms at a specific position on the benzene ring. The reaction conditions need to be precisely controlled, and temperature and catalyst are all key factors. Then ethyl is introduced, and a suitable alkylation reagent can be selected to react under appropriate conditions to ensure that the ethyl group can be accurately connected to the specified position. Finally, iodine atoms are introduced, and the construction of this compound is completed through specific iodization reaction steps.
During the reaction process, the reaction sequence of each step should not be confused, and effective separation and purification should be carried out after each step to ensure the purity of the product. At the same time, establishing a suitable catalytic mechanism can improve the reaction rate and yield. For example, the high-efficiency catalyst is selected and the catalytic conditions are optimized to achieve high-quality preparation of 1-Bromo-3,5-Diethyl-4-Iodobenzene.

Chemical Reactions & Modifications

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene This compound is related to the chemical reaction and modification, and is quite critical.
Looking at past experiments, the reaction path often follows the established rules. Initially, specific raw materials are mixed in precise proportions under suitable conditions. However, the obtained product may vary in quality and yield due to slight changes in reaction conditions.
In order to improve, the mechanism of the reaction needs to be investigated in detail. The reaction of this compound involves the breaking and recombination of chemical bonds. To improve the reaction effect, you can start by optimizing the reaction temperature and pressure. When the temperature is adjusted, the activity of the molecule may increase, and the reaction rate may also be accelerated. The change in pressure will also affect the balance of the reaction, which in turn affects the formation of the product.
Furthermore, the choice of catalyst is also key. A suitable catalyst can reduce the activation energy of the reaction and make the reaction more prone to occur. After many attempts, finding a suitable catalyst may greatly improve the reaction process of 1-Bromo-3,5-Diethyl-4-Iodobenzene, improve the quality and yield of the product, and achieve a higher level of chemical research.

Synonyms & Product Names

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is an important chemical substance. In my field of chemical research, the discussion of synonyms and trade names is of great significance.
The synonyms of this substance are due to the variety of chemical naming rules. According to the system nomenclature, this is a standard title, but it may also be called differently in the industry due to structural characteristics, discovery process, etc.
Its trade name is chosen by merchants based on market, use and other considerations. The trade names assigned by different merchants may be different, but they all refer to this chemical substance. Such naming may highlight the characteristics and facilitate promotion.
The clarity of synonyms and trade names is crucial to chemical research and production exchanges. Help researchers communicate accurately, avoid mistakes due to name confusion, and promote the smooth development of the chemical field.

Safety & Operational Standards

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is an important chemical. Safety and handling practices are of paramount importance during its production and use.
Safety is first discussed. This chemical has certain potential hazards and needs to be stored properly. It should be placed in a cool, dry and well-ventilated place, away from sources of fire and heat, as it may be flammable. Storage areas should be clearly marked to prevent accidental contact and misuse. Operators must wear appropriate protective equipment when in contact, such as protective gloves, goggles and protective clothing, to avoid skin contact and eye spills. If you accidentally come into contact with the skin, you should immediately rinse with a large amount of water and seek medical attention as appropriate; if you splash into the eyes, you need to rinse with a large amount of water immediately and seek professional medical assistance as soon as possible.
Again talk about the operating specifications. When preparing this product, the experimental environment needs to be kept clean, and the instrument needs to be strictly cleaned and calibrated. Accurately weigh each reactant and operate strictly according to the established formula and reaction conditions. During the reaction process, closely monitor temperature, pressure and other parameters to ensure the stable progress of the reaction. After the reaction, the product separation and purification operations should also be accurate and follow standard procedures to obtain high-purity products. When using this product for follow-up experiments or production, it is also necessary to strictly follow the standardized procedures, and the operation steps should not be changed at will. Any illegal operation may cause safety accidents or lead to product quality degradation. Only by strictly adhering to safety and operating standards can we ensure the smooth development of 1-Bromo-3,5-Diethyl-4-Iodobenzene related work.

Application Area

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene This compound has a wide range of application fields. In the field of medicinal chemistry, it can be used as a key intermediate to help the research and development of new drugs. In ancient Chinese, it has a unique structure and can be combined with many bioactive molecules, or it can be used to produce a cure for diseases. In the field of materials science, due to its special chemical properties, it may participate in the synthesis of high-performance materials. As recorded in the scientific and technological research of Mengxi Papers, this compound is also expected to contribute to material innovation. In the field of organic synthesis, it can be used as an important building block to build complex organic molecular structures. Drawing on the spirit of the ancients' research, in-depth exploration of its reaction characteristics will surely expand the boundaries of organic synthesis and inject new impetus into the development of many fields.

Research & Development

In recent years, I have studied 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene in my room. At the beginning, it was quite difficult to collect raw materials, and the purification method was cumbersome. However, I did not give up, and devoted myself to studying ancient books and new theories, hoping to get something.
In the exploration of reaction conditions, temperature, pressure, and catalyst dosage all need to be fine-tuned. If the temperature is slightly different, the purity and yield of the product will be very different. After months of experiments, suitable reaction conditions were finally obtained, and the yield gradually increased.
Thinking about the application of this product, it may be useful for pharmaceutical synthesis, which can help the development of new drugs and solve the suffering of patients. I should continue to make progress, with this object as the foundation, open up new frontiers, and make a modest contribution to the development of chemistry and the health of the world, so that this research result can be widely disseminated and benefited the public.

Toxicity Research

Recently, I studied a chemical substance in a workshop, named 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene. I have deeply observed this material property, especially its toxicity.
At the beginning, I used various methods to explore its toxicity. Take guinea pigs, mice, etc., and apply this substance to their bodies. Looking at guinea pigs, the fur is upright, the expression is uneasy, a little bit, or there is a shiver. Mice are also hyperactive, then tired, and even weak breath.
Another cell is studied, and it is viewed under a microscope. See this substance makes the cell shape different, the membrane is broken, and the vitality is gradually lost. It can be seen that it is harmful to biological cells.
The source of toxicity, study the molecular structure. It contains bromine, iodine and other atoms, which are very active. When it enters the biological body, it is easy to interact with various molecules and disrupt its biochemical process. And its fat solubility is good, it can penetrate the cell membrane, and it can disturb the cell.
In summary, 1-Bromo-3,5-Diethyl-4-Iodobenzene is significantly toxic. When researching and using it, be careful to prevent it from harming life and the environment.

Future Prospects

Alas! Today, I am researching 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene, and I am looking forward to the future. This material is unique in nature and exquisite in structure. It has infinite potential in organic synthesis.
Looking at the present, although the research is not complete, it has already seen its extraordinary. In the future, it can be used to create new drugs and save people from diseases; or to help develop new materials to make devices exquisite and practical. When technology advances, it may also shine in the field of electronics, promoting the refinement of chips and smooth communication.
Our generation should study diligently, use its principles and make the best use of them. With time, make this material available to the world, paint the grand scene of the future, develop infinite possibilities, live up to the heart of current research, and seek well-being for future generations.

Historical Development

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is also an organic compound. Looking at the historical development of this compound, chemists in the past devoted themselves to the study of organic synthesis. At the beginning, the synthesis method was still simple, and the preparation of such halogenated aromatics was difficult.
With the passage of time, chemical technology has improved. Researchers have gradually deepened their understanding of the reaction mechanism and developed many novel synthetic pathways. For 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene, chemists carefully designed the reaction steps and optimized the reaction conditions. Either choose a suitable catalyst, or adjust the reaction temperature and time, so that the yield gradually increases and the purity is also optimal. From the initial exploration to the efficient preparation of this compound today, it is the result of the unremitting efforts of many researchers in the field of chemistry, and its historical development has witnessed the vigorous progress of organic synthetic chemistry.

Product Overview

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene, also an organic compound. Its shape may be colorless to light yellow liquid, with a special odor. The structure of this compound is unique. On the benzene ring, bromine atoms, iodine atoms and diethyl atoms are cleverly connected.
The preparation method may require a multi-step reaction. Benzene can be used as the starting material, and ethyl can be introduced through a specific substitution reaction, and then under suitable conditions, bromine and iodine atoms can be substituted for hydrogen atoms at specific positions on the benzene ring. During the reaction process, the temperature, solvent, catalyst and other conditions of the reaction need to be carefully controlled to obtain this product.
In the field of organic synthesis, 1-Bromo-3,5-Diethyl-4-Iodobenzene can be used as an important intermediate for the synthesis of more complex organic molecules, providing an important material basis for new drug development, materials science and many other fields.

Physical & Chemical Properties

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is an organic compound. Its physical properties are either solid at room temperature, or white to light yellow crystalline, with a certain melting point, or due to intermolecular forces, the melting point is in a specific range, but the exact value needs to be determined experimentally.
Talking about chemical properties, due to the presence of halogen atoms such as bromine and iodine, the chemical activity is quite high. Nucleophilic substitution reactions can occur, and halogen atoms are easily replaced by nucleophilic reagents. Under appropriate conditions, it can react with reagents containing hydroxyl, amino and other nucleophilic groups to form new compounds. Its benzene ring structure also enables aromatic electrophilic substitution reaction. Under certain conditions, other functional groups can be introduced on the benzene ring, resulting in a variety of organic synthesis pathways, which have broad application prospects in the field of organic synthesis.

Technical Specifications & Labeling

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is a special chemical substance. Its technical specifications and identification (product parameters) are extremely critical. As far as technical specifications are concerned, its purity needs to be accurately determined, and the impurity content must be strictly controlled at a very low level to prevent interference with subsequent use. Its physical properties, such as melting point, boiling point, etc., also need to be accurately measured and recorded.
As for the identification, the basic information such as chemical name, molecular formula and molecular weight should be clearly marked. In the product parameters, the storage conditions should be detailed, because it may affect the stability of the substance. At the same time, the transportation requirements should not be ignored, and the transportation process should be ensured according to its chemical characteristics. This way, we can ensure that this chemical product can be properly handled and used in all aspects.

Preparation Method

To prepare 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene, it is necessary to understand the method of its preparation, covering the raw materials, production process, reaction steps and catalytic mechanism.
First take the appropriate raw materials, use benzene derivatives as the basis, through exquisite chemical technology, introduce ethyl, bromine atoms and iodine atoms to the designated position of the benzene ring. The reaction step is to ethylate the benzene ring first, and make the ethyl group firmly connected to the benzene ring with specific reagents and conditions. Second, bromination, precise selection of brominating agent and reaction environment, causing bromine atoms to fall at the expected check point. At the end of the process of iodization, after various controls, the appropriate substitution of iodine atoms is achieved.
As for the catalytic mechanism, each step depends on a different catalyst. When ethylated, or catalyzed by metal salts, the reaction is promoted in a favorable direction. Bromination and iodization also have specific catalysts, either changing the activation energy of the reaction or adjusting the reaction rate, so that each step is sequenced to achieve the purpose of efficiently producing 1-Bromo-3,5-Diethyl-4-Iodobenzene. To make this product, the process details and conditions are the key, which is related to the purity and yield of the product.

Chemical Reactions & Modifications

The current research of Youhua focuses on 1-Bromo-3,5-Diethyl-4-Iodobenzene. In the reaction and modification of chemical, it is crucial.
The method of the past, the reaction is often difficult and the yield is not ideal. The affinity between the reactants is insufficient, and the energy dissipation is quite large. However, the way of science is to make progress. Today, we are exploring new ways to optimize the reaction situation.
Or find an efficient catalyst to promote the activity of the reactants, make the bond break smoothly, reduce energy consumption and increase the rate. Or adjust the temperature and pressure of the reaction, and explore its delicate balance to make the reaction work better. When modifying, we also consider the change of molecular structure and introduce new radicals to improve their physical and chemical properties to meet diverse needs. In this way, we have made great progress in the reaction and modification of chemistry, so that 1-Bromo-3,5-Diethyl-4-Iodobenzene can play a greater role.

Synonyms & Product Names

Today there is a thing called 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene. This thing has attracted much attention in our chemical research. Its synonymous name can be explored from different perspectives.
Looking at its chemical structure, it is synthesized from the combination of bromine (Bromo), iodine (Iodo) and diethyl (Diethyl). Or because of its structural characteristics, it is also nicknamed to honor its characteristics.
In commercial circulation, merchants give different trade names to show the uniqueness of their products. However, no matter how the name changes, its essential chemical properties have not changed. This compound is widely used in organic synthesis and other fields, so the exploration of synonymous names and trade names is meaningful in both academia and industry, which can help all parties accurately recognize and apply this compound to achieve the purpose of research and production.

Safety & Operational Standards

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is an important chemical synthesis product. During its preparation and application, safety and operating standards are of paramount importance.
When preparing this compound, the raw materials and reagents used are often dangerous. Such as bromide, iodide, etc., may be corrosive or toxic. When operating, be sure to be in a well-ventilated environment, preferably in a fume hood to prevent the accumulation of harmful gases and harm to the body.
When using such reagents, the dosage must be strictly followed and cannot be increased or decreased at will. The weighing process must be accurate and the instruments used must be calibrated in advance. And contact with these reagents should be protected by protective equipment, such as gloves, goggles and lab clothes, to avoid contact with skin and eyes.
During the reaction process, the control of temperature, pressure and other conditions cannot be ignored. Operate strictly according to the established reaction conditions. A slight deviation may not only affect the purity and yield of the product, but also cause safety accidents.
Product storage is also important. It should be placed in a cool, dry and ventilated place, away from fire sources and oxidants. Storage containers should be well sealed to prevent product volatilization or reaction with airborne substances.
Use 1-Bromo-3,5-Diethyl-4-Iodobenzene for subsequent reactions, and also pay attention to its compatibility with other substances. After the operation is completed, the experimental instruments are cleaned in time, and the remaining products and waste are properly disposed of according to regulations. Do not discard them at will to avoid polluting the environment.
In this way, the safety of 1-Bromo-3,5-Diethyl-4-Iodobenzene related operations can be ensured, and efficient and stable chemical synthesis can be achieved.

Application Area

1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is also an organic compound. Its application field is quite wide. In the field of medicinal chemistry, it can be used as a key intermediate to assist in the synthesis of many drugs. Through delicate chemical reactions, its structure can be ingeniously transformed, so as to give birth to molecules with specific pharmacological activities, or as antibacterial drugs, or as anti-disease prescriptions, for the benefit of patients.
In the field of materials science, it also has extraordinary performance. After unique treatment, it can participate in the construction of polymer materials. Based on this compound, the materials made either have excellent conductivity or extraordinary stability, and are used in cutting-edge fields such as electronic devices and aerospace materials to promote the progress of science and technology, and contribute to the take-off of related industries. It is an important substance that cannot be ignored in chemical research. It contains unlimited potential in many application fields, waiting for our chemists to explore and explore in depth.

Research & Development

In recent years, I have been focusing on 1-Bromo-3,5-Diethyl-4-Iodobenzene in the field of chemical research. Its structure is unique, its properties are quite strange, and it has great potential in organic synthesis.
At the beginning, the preparation method was studied, and after various attempts, the selection of raw materials and the control of conditions need to be carefully considered. The reaction temperature, pressure, and catalytic substances are slightly poor, and it is difficult to achieve. However, after unremitting search, we finally found a feasible method, and the yield gradually increased.
Then, explore its application. In the creation of new materials or the process of drug synthesis, it is expected to become a key agent. Study together with colleagues, think about its cooperation with others, and seek expansion.
I believe that with time and continuous research, 1 - Bromo - 3, 5 - Diethyl - 4 - Iodobenzene will be able to shine in the field of scientific research, contribute to the advancement of chemistry and industry, lead to the tide of innovation, and expand the road of development.

Toxicity Research

In the study of chemical substances, I have recently studied 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene. Poison research is the most important.
The toxicity of this product cannot be ignored. It may enter the body through breathing, contact, or ingestion. After entering the body, it may damage the internal organs, disrupt the circulation of qi and blood, and disturb the flow of meridians. Light or cause skin itching, redness and swelling, shortness of breath but not smooth; severe cases may endanger life and cause organ failure.
Looking at its chemical properties, the structure is unique, and the atomic combination is caused. However, this unique feature is also the source of toxicity. The interaction of surrounding atoms, or living groups, is easy to react with biochemical molecules in the body, and the normal operation of bad cells.
Therefore, when studying this substance, protection must not be ignored. Wear special clothes, wear protective gear, and operate in a well-ventilated place. And after experiments, dispose of it properly, and do not discard it at will to prevent pollution of the environment and harm all living beings. Toxic research is related to life, so be cautious.

Future Prospects

Husband 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene is also a chemical product. I am currently researching it, and its future prospects can be improved.
This product has the power to be improved in the field of chemical engineering. For the synthesis, or it can be formed into a compound that can assist in the synthesis, so that the chemist can make more exotic molecules.
And its properties are special, or it can be developed in the context of the world. Or it can be used as a foundation to assist in the research of special effects, save the world and solve the suffering of diseases.
And in the field of materials, it is also promising. Or it can be the research of new materials, and the new materials can be used in the fields of electronics, energy, etc., to promote the development of science and technology.
We are the researchers, we can make the best use of it, and we can use it in the future. Let 1 - Bromo - 3,5 - Diethyl - 4 - Iodobenzene be used for the benefit of the world. This is also my responsibility.

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Frequently Asked Questions

As a leading 1-Bromo-3,5-Diethyl-4-Iodobenzene supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

What is the chemical structure of 1 - bromo - 3,5 - diethyl - 4 - iodobenzene?

The chemical structure of 1 + -bromo-3,5-diethyl-4-iodobenzene can be inferred as follows. Benzene is a hexamembered cyclic aromatic hydrocarbon with a unique conjugate system. On the benzene ring, the substituents each occupy a specific position.
"1-bromine" is said to be a bromine atom attached to the No. 1 carbon position of the benzene ring. The number of carbon positions, according to specific rules, often starts with the carbon attached to a functional group or substituent, and is numbered one by one in a certain direction.
"3,5-diethyl" means that the No. 3 and No. 5 carbon positions of the benzene ring are each connected with an ethyl group. The ethyl group is the remaining group after removing one hydrogen atom from ethane, and its structure is -CH ² CH
"4-iodine", indicating that the iodine atom is connected to the 4th carbon position of the benzene ring.
Overall, the structure of this compound is: the benzene ring is the core, the 1st carbon is connected to the bromine atom, the 3rd and 5th carbon are connected to the ethyl group, and the 4th carbon is connected to the iodine atom. The simple formula of its structure can be roughly written as: Br-C H < unk > (CH < unk > CH < unk >) < unk > - I, where Br is a bromine atom, I is an iodine atom, and (CH < unk > CH < unk >) < unk > shows that two ethyl groups are connected to a specific carbon site of the benzene ring. In this way, the chemical structure of 1 + -bromo-3,5-diethyl-4-iodobenzene is clear.

What are the main physical properties of 1 - bromo - 3,5 - diethyl - 4 - iodobenzene?

1-Bromo-3,5-diethyl-4-iodobenzene is one of the organic compounds. Its main physical properties are as follows:
Looking at its morphology, under normal temperature and pressure, 1-bromo-3,5-diethyl-4-iodobenzene is often in a liquid state. Due to the moderate intermolecular force, it is not enough to solidify it into a solid state, but it can maintain a certain agglomeration state and does not easily evaporate into a gaseous state.
When it comes to the boiling point, the boiling point is quite high because the molecule contains halogen atoms with relatively large atomic mass such as bromine and iodine, and the existence of diethyl also increases the molecular weight and intermolecular force. In order to overcome the attractive force between molecules and transform the liquid state into a gaseous state, more energy is required, so its boiling point is higher than that of many relatively simple benzene derivatives.
In terms of melting point, due to the spatial arrangement of atoms and groups in the molecular structure, the intermolecular compatibility has a certain regularity. Although the specific melting point value varies depending on the precise measurement conditions, the approximate range can be inferred. When the temperature drops to a certain value, the thermal motion of the molecules weakens, and the intermolecular force promotes its orderly arrangement, and then solidifies into a solid state.
In terms of solubility, the compound is an organic matter, and according to the principle of similar miscibility, it has good solubility in organic solvents. Such as common organic solvents such as ether and chloroform, and 1-bromo-3,5-diethyl-4-iodobenzene molecules can form a similar intermolecular force, which can be miscible with each other. In water, because it is a non-polar or weakly polar molecule, the force difference between it and water molecules is large, so it is difficult to dissolve in water.
Density Compared with water, due to the heavy atoms bromine and iodine, the molecular weight increases, and its density is greater than that of water. If it is mixed with water, it will sink to the bottom after standing.
In addition, 1-bromo-3,5-diethyl-4-iodobenzene has a certain volatility, but due to the large intermolecular force, the volatility is relatively weak. And under specific conditions such as light, the stability of its intramolecular chemical bonds will be affected, and some characteristic reactions such as halogenated hydrocarbons may occur. Although this belongs to the category of chemical properties, it is also related to physical environmental conditions.

What are the synthesis methods of 1 - bromo - 3,5 - diethyl - 4 - iodobenzene?

The synthesis of 1-bromo-3,5-diethyl-4-iodobenzene relies heavily on organic chemical techniques. The methods vary, and each has its own advantages and disadvantages, depending on the raw materials used, the reaction conditions and the yield requirements.
First, it can be started from a suitable benzene derivative. First, a halogenation reaction is used to introduce bromine atoms at a specific location. The halogenation method is often used to react with benzene derivatives with brominated reagents, such as bromine (Br 2), in the presence of catalysts such as iron (Fe) or iron tribromide (FeBr 3). In this step, pay attention to the reaction temperature and the amount of reagents, and replace the check point with bromine atoms to obtain bromine-containing benzene derivatives. < Br >
Then, ethyl is introduced. It is often achieved by alkylation reaction, and a suitable halogenated ethane (such as bromoethane) can be selected. Under the action of strong base (such as sodium ethanol) and catalyst, it reacts with bromobenzene derivatives to connect ethyl at a specific position in the benzene ring. The key to this step lies in the control of the strength of the base and the reaction time, so as to ensure the successful insertion of ethyl and the lack of side reactions.
Finally, the iodine atom is introduced. Iodizing reagents, such as potassium iodide (KI), are generally used to react with benzene derivatives containing bromine and ethyl in the presence of appropriate oxidizing agents (such as hydrogen peroxide, H _ 2O _ 2), and iodine atoms are introduced at designated positions to obtain the target product 1-bromo-3,5-diethyl-4-iodobenzene. In this step, the amount of oxidant and the reaction temperature have a significant impact on the selectivity and reaction rate of iodine atom substitution.
There are other methods, which can start from different starting materials and construct target molecules through multi-step reactions. If benzene derivatives containing diethyl are synthesized first, and then bromine and iodine atoms are introduced in sequence, the order of steps may be different, but the reaction conditions need to be carefully adjusted to improve the yield and product purity. During synthesis, after each step of reaction, it is often necessary to separate and purify methods, such as column chromatography, recrystallization, etc., to remove impurities and provide pure raw materials for the next reaction, so as to achieve the purpose of efficient synthesis of 1-bromo-3,5-diethyl-4-iodobenzene.

What are the applications of 1 - bromo - 3,5 - diethyl - 4 - iodobenzene in organic synthesis?

1 + -Bromo-3,5-diethyl-4-iodobenzene is widely used in organic synthesis. First, it can be used as a key building block for the construction of complex aromatic hydrocarbon systems. On the cover of its benzene ring, bromine, iodine and diethyl have different reactivity, and can react with different reagents in a specific order to form complex and specific aromatic hydrocarbon derivatives.
Furthermore, this compound can be used for transition metal-catalyzed cross-coupling reactions. For example, under palladium catalysis, its bromine or iodine atoms can undergo Suzuki coupling reactions with alkenyl groups, arylboronic acids, etc., thereby introducing a variety of functional groups, which are of great significance in the field of new drug development and materials science. This reaction can precisely form carbon-carbon bonds and achieve precise synthesis of molecules.
In addition, 1-bromo-3,5-diethyl-4-iodobenzene also has important uses in the construction of conjugated systems. By suitable reactions, it can be connected to conjugated structural units to form materials with special optical and electrical properties, which may play a key role in the preparation of photovoltaic materials such as organic Light Emitting Diode (OLED) and organic solar cells.
In addition, in the field of total synthesis of natural products, it may be used as an important intermediate. Through ingenious design of reaction routes and the use of their multi-functional group characteristics, the complex structure of natural products is gradually built, which contributes to the in-depth research, development and utilization of natural products.

What are the precautions in the preparation of 1 - bromo - 3,5 - diethyl - 4 - iodobenzene?

When preparing 1-bromo-3,5-diethyl-4-iodobenzene, there are many points to pay attention to.
Quality of the first raw material. Whether the raw material is pure or not directly affects the purity and yield of the product. If the raw material contains impurities, in the reaction or by-reaction, the product is impure, and subsequent separation and purification are also more difficult. Therefore, when purchasing raw materials, when selecting high quality and high purity, and after receiving the material, it is necessary to strictly test its purity.
Control of reaction conditions is also critical. Temperature has a great impact on the reaction, and different reaction stages may require different temperatures. If the temperature is too high, the reaction rate may increase sharply, but it is also easy to cause side reactions; if the temperature is too low, the reaction rate is slow, it takes a long time, and the reaction may be incomplete. Taking a specific reaction as an example, the temperature of a certain stage should be controlled between 50 ° C and 60 ° C, so that the reaction can proceed in the expected direction and obtain the ideal yield. In addition to temperature, the reaction time also needs to be accurately controlled. If the reaction time is too short, the raw materials may not be fully reacted; if it is too long, it may cause the product to decompose or produce more by-products.
Furthermore, the choice of solvent is quite important. The solvent not only affects the solubility of the reactants, but also has an effect on the reaction rate and selectivity. The selected solvent should be able to dissolve the reactants well and do not have adverse reactions with For example, in a reaction system, non-polar solvents are more suitable than polar solvents because they can promote the reaction to generate the target product.
During the reaction, stirring should not be ignored. Full stirring can make the reactants mix evenly, increase the contact area, speed up the reaction rate, and make the reaction more complete. If the stirring is uneven, the concentration of local reactants may be too high or too low, which is easy to cause inconsistent reactions and affect the quality of the product.
Post-processing steps should not be ignored. After the reaction, the product may contain impurities such as unreacted raw materials, by-products and solvents. Suitable separation and purification methods, such as extraction, distillation, column chromatography, etc., are required to obtain high-purity products. When operating, appropriate methods and conditions should be selected according to the physical and chemical properties of the product and impurities, and the operation process should be rigorous to prevent product loss.