1,4-Diiodobutane

Fengxi Chemical

Specifications

HS Code	114443
Chemical Formula	C4H8I2
Molar Mass	309.91 g/mol
Appearance	Colorless to pale yellow liquid
Density	2.31 g/cm³
Boiling Point	216 - 218 °C
Melting Point	-10 °C
Solubility In Water	Insoluble
Solubility In Organic Solvents	Soluble in common organic solvents like ethanol, ether
Vapor Pressure	Low
Flash Point	93 °C
Refractive Index	1.582
Name	1,4 - Diiodobutane
Molecular Formula	C4H8I2
Molecular Weight	281.91 g/mol
Appearance	Colorless to light yellow liquid
Density	2.26 g/cm³
Boiling Point	240 - 242 °C
Melting Point	-38 °C
Flash Point	110 °C
Solubility In Water	Insoluble
Vapor Pressure	Low
Odor	Characteristic odor

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

Packing & Storage

Packing	1,4 - Diiodobutane in 500 - mL glass bottle, sealed for safe storage.
Storage	1,4 - Diiodobutane should be stored in a cool, dry, well - ventilated area, away from heat sources and direct sunlight to prevent decomposition due to thermal or photochemical processes. It should be kept in a tightly - sealed container, preferably made of materials resistant to corrosion by the chemical. Store it separately from oxidizing agents and reactive substances to avoid potential chemical reactions.
Shipping	1,4 - Diiodobutane is a chemical. It should be shipped in accordance with hazardous materials regulations. Packed in well - sealed containers, protected from physical damage, and transported by carriers licensed for such chemicals.

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General Information

Historical Development

1,4-Diiodobutane, the rise of its matter, there are traces to follow. In the past, chemistry was prosperous, and all the sages were committed to the exploration of matter. At the beginning, in the field of organic synthesis, people were mostly confined to conventional methods, but they were curious about knowledge and did not dare to relax.
At a certain time, there were wise people who studied the classics and tried them repeatedly. With exquisite methods, iodine and butane interacted, and this 1,4-diiodobutane was obtained. Since then, it has gradually developed its use in the process of organic synthesis. Or as an intermediate in the reaction to help form other things; or as an object of research to explore the wonders of chemistry. With the passage of time, various craftsmen have made great progress in their preparation methods, which has gradually increased the yield of this product and made the quality more pure. This has contributed to the development of chemistry and has become today's grand view.

Product Overview

1,4 - Diiodobutane, an organic compound. It is a colorless to pale yellow liquid with a special odor. This compound has a wide range of uses in the field of organic synthesis.
Looking at its structure, the iodine atoms at both ends endow it with unique chemical activity. It can participate in many chemical reactions, such as nucleophilic substitution reactions. Due to the good departure of iodine atoms, it can interact with various nucleophilic reagents to form new carbon-carbon bonds or carbon-heteroatomic bonds.
During the preparation process in the laboratory, attention should be paid to the reaction conditions. Temperature, solvent selection, and the proportion of reactants all have significant effects on yield and purity. The ideal product can be obtained by properly controlling various factors. It is an important intermediate in the study of organic synthetic chemistry and is of great significance to promote the development of organic synthetic chemistry.

Physical & Chemical Properties

1,4-Diiodobutane is also an organic compound. Its color is transparent, it is in a liquid state, and it has a special smell. The boiling point of this substance is quite high, about a certain temperature, due to intermolecular forces. Its density is also fixed, and compared with water, it has its unique specific gravity.
In terms of solubility, 1,4-diiodobutane is soluble in many organic solvents, such as ethanol and ether, but its solubility in water is very small, which is determined by its molecular polarity. Its chemical properties are active, iodine atoms are active and easy to participate in the reaction, and nucleophilic substitution and other reactions can occur. In the field of organic synthesis, it is widely used and is often an important raw material for the preparation of complex organic compounds.

Technical Specifications & Labeling

For 1,4-diiodobutane, it is also a chemical product. If you want to study the quality of its technology (commodity quality), the quality of the product can be tested. Its method is also, or it can be reversed from the general, and the quality of the product can be refined to meet the quality. Its color, quality, and quantity are all important. The color should be clear and mixed. The quality needs to be high, and the quality should be less. And the package is also clear and clear, with the name, composition, danger warning, etc. In this way, the technology quality of this product can meet the requirements, and it can be properly used in the field of engineering and scientific research.

Preparation Method

The preparation method of 1,4-diiodobutane is related to the raw materials and production process, reaction steps and catalytic mechanism. To prepare 1,4-diiodobutane, butene and iodine are often used as raw materials. First, the butene is introduced into the iodine-containing reactor, and an appropriate amount of catalyst, such as some metal halides, can be added to promote the reaction. The reaction is carried out at a suitable temperature and pressure, and the temperature may be controlled at 50-80 degrees Celsius, and the pressure is about 1-2 atm. Butene and iodine are added to the two ends of the butene through an addition reaction. The double bond is opened, and iodine atoms are added to the two ends of the butene to gradually generate 1,4-diiodobutane. After the reaction is completed, the product is purified by distillation In this preparation process, the catalyst can reduce the activation energy of the reaction, accelerate the reaction rate, and improve the generation efficiency of 1,4-diiodobutane, achieving the purpose of efficient production.

Chemical Reactions & Modifications

I am committed to the study of chemical substances. Recently, I have gained a lot of experience in the chemical reaction and modification of 1,4-Diiodobutane.
1,4-Diiodobutane has unique reactivity and is often studied by us. In the past, the reaction method, or the efficiency is not high, or the product is impure. After thinking about it, if you want to change its properties, you should focus on the reaction conditions. If you control the temperature and adjust the dose of the catalyst, it can affect the reaction path.
After repeated tests, at moderate temperature and with precise catalyst dosage, the purity and yield of the reaction products of 1,4-Diiodobutane have been significantly improved. This modification method makes 1,4-Diiodobutane more potential for application in various fields. The beauty of chemistry lies in this, which can transform the nature of matter with manpower and be used by the world.

Synonyms & Product Names

The synonymous name of 1,4-diiodobutane and the name of the commodity are quite important. In the field of my chemical research, it is crucial to distinguish the similarities and differences between its names.
1,4-diiodobutane, also known as 1,4-diiodobutane. "Diiodobutane" and "diiodiodiodiodiodiodiodized", although their expressions are slightly different, refer to the same thing. As for the name of the commodity, or due to the usual use of merchants and market circulation, there are also different names.
We chemical researchers should treat this thing with caution. When studying experimental records and literature, if the names are confused, we may lead to research bias. Therefore, the clarification of the synonymous name of 1,4-diiodobutane and the name of the commodity is the basic task of chemical research and cannot be ignored.

Safety & Operational Standards

1,4-Diiodobutane is an important compound in organic chemistry. In its experimental preparation and application, safety and operating standards are of paramount importance.
The first word is safe, 1,4-diiodobutane has certain toxicity and irritation. If it accidentally touches the skin, rinse with plenty of water as soon as possible, and then seek medical attention according to the specific situation. If it splashes into the eyes, it is even more necessary to rinse the eyes with plenty of water immediately and seek medical attention quickly. During use, good ventilation should be ensured to prevent inhalation of its volatile gases. Because if the vapor or fog droplets are inhaled into the human body, or cause respiratory tract irritation, it may even damage health.
The operating instructions are described below. When taking 1,4-diiodobutane in the laboratory, be sure to use clean and dry utensils to avoid impurities from mixing and affecting the experimental results. When weighing, the action should be precise and rapid, because the compound may be sensitive to air and moisture. Storage should also be cautious. It should be stored in a cool, dry and well-ventilated place, away from fire and oxidants, and sealed to avoid deterioration.
In the synthesis reaction operation, the reaction conditions, such as temperature, reaction time and proportion of reactants, should be strictly controlled. The reaction in which this compound participates may have specific requirements, and there is a slight difference, or the reaction may fail, or side reactions may occur. For example, the reaction temperature is too high, or the decomposition reaction is initiated; the reaction time is too short, and the reaction may be incomplete.
In conclusion, the safety and operating practices of 1,4-diiodobutane are related to the success or failure of the experiment and the health of the experimenter. Only by strictly adhering to safety guidelines and operating practices can this compound be effectively used to promote the progress of chemical research.

Application Area

1,4-Diiodobutane is an organic compound. Its application field is quite wide. In the field of pharmaceutical synthesis, it can be an important intermediate, helping to create special drugs, cure various diseases, and save the health of the world. In the field of materials science, it can also play a key role. Or it can be used to prepare special polymer materials, so that the material has specific properties, such as better flexibility and stability, to meet different needs. In addition, in fine chemicals, it can be used as a special reagent to participate in various delicate reactions and produce unique products. From this perspective, 1,4-Diiodobutane has its value that cannot be ignored in many fields, and is an important substance to promote the development of related industries.

Research & Development

I have been studying 1,4 - Diiodobutane for a long time. This compound has unique properties and great potential in the field of organic synthesis.
The initial investigation was dedicated to clarifying its reaction mechanism. After repeated experiments, it was found that under specific conditions, it can interact ingeniously with many reagents and derive a variety of products.
Then focus on improving its preparation efficiency. Improve the process, optimize the conditions, and gradually increase the yield. Although the process is difficult, every progress is inspiring my heart.
Looking forward to the future, I hope this achievement can be widely used to promote the development of organic synthesis. Or in the creation of new materials, drug research and development, etc., shine brightly, and contribute to the academic community and industry.

Toxicity Research

Taste and hear the nature of all things, related to people's livelihood, must not be observed. Today's study of the toxicity of 1,4 - Diiodobutane, this is the priority of chemical research.
Examine its quality in detail, 1,4 - Diiodobutane has a special structure, its sex or toxicity. After various experiments, observe its interaction with organisms. When applied to insects, it is seen that its action is sluggish and its physiology is incompatible; when tried on plants and trees, it is observed that its growth is hindered and the color of the leaves is lost.
The study of the toxicity of the husband is not only to observe its appearance, but also to explore its mechanism. 1,4 - Diiodobutane enters the body, or disrupts the metabolism of cells, disrupting its biochemical path. Damage the ability of the viscera, damage the health of the body.
However, the judgment of toxicity also depends on the trade-off of quantity. A small amount of exposure, or the body can control; excessive intake, the crisis will appear. Therefore, in the case of 1,4-Diiodobutane, we should be cautious and detailed about its nature, prevent problems before they occur, and ensure the well-being of the public and the environment.

Future Prospects

I try to study this thing 1,4 - Diiodobutane, and think about its future development. Although today, its use in various fields is still at the moment of development. However, in the future, with the advance of science and technology, in the way of organic synthesis, it will definitely be the key material. It can assist in the research of novel medicines, endow it with unique properties, and treat all kinds of difficult diseases. In the field of materials, it is also expected to give birth to special materials, with extraordinary properties, such as super toughness and excellent conductivity. I believe that with time, 1,4 - Diiodobutane will shine, adding bricks and tiles to the progress of the world, drawing the trend of technology, and opening a new chapter in the future.

Historical Development

1,4-Diiodobutane, the origin and development of this substance, there is really something to be investigated. Looking back to the past, the road of chemical exploration is long. At the beginning, everyone continued to study in the field of organic synthesis. At that time, the characteristics and reactions of various compounds were carefully explored.
Among many attempts, this 1,4-diiodobutane was gradually noticed. In the early days, the preparation method was still crude, and the yield was not very high. However, Zhu Xian did not give up lightly. After years of research and improvement, the synthesis method became increasingly exquisite. From the selection of initial raw materials to the fine regulation of reaction conditions, all efforts were made.
With the passage of time, the understanding of 1,4-diiodobutane has become more and more profound, and its application in the field of organic synthesis has become more and more extensive. This is due to the diligent research of chemists of all ages.

Product Overview

1,4-Diiodobutane is an organic compound. It is a colorless to light yellow liquid with a certain volatility. In this compound, the iodine atom is connected to the carbon chain of butane, and the structure is unique.
In the field of organic synthesis, 1,4-diiodobutane has a wide range of uses. It can be used as an intermediate to participate in many reactions to produce a variety of organic products. Its iodine atom has high activity and can react with a variety of reagents such as substitution, providing the possibility to construct complex organic molecules.
When using it, it is also necessary to pay attention to its characteristics. Due to its certain toxicity and irritation, it should be operated under suitable conditions and follow the standard process to prevent harm to people and the environment. Only in this way can 1,4-diiodobutane be effectively utilized and play an important role in organic synthesis.

Physical & Chemical Properties

1,4-Diiodobutane, organic compounds also. Its physical properties, colorless to light yellow liquid at room temperature, with a special odor. The melting point is specific, the melting point is about [specific value], and the boiling point is near [specific value], due to the influence of intermolecular forces. The density is higher than that of water, insoluble in water, but soluble in most organic solvents, which is due to the principle of similar miscibility.
Its chemical properties are active, and the activity of iodine atoms is high. Nucleophilic substitution reactions can occur, such as with sodium alcohol, iodine atoms are replaced by alkoxy groups to form corresponding ethers. It can also participate in the elimination reaction. Under the action of strong bases, it deiodizes hydrogen to form olefins. This is all due to the polarity of the C-I bond, which makes iodine easy to leave. Its chemical activity is widely used in the field of organic synthesis, and it is an important intermediate for the preparation of complex organic compounds.

Technical Specifications & Labeling

For 1,4-diiodobutane, it is also an organic compound. Its technical rules and standards (business ginseng) are the focus of the researcher.
To prepare this substance, butanol is often reacted with an iodizing agent. First put butanol in the device, slow down the iodizing agent, control the temperature to a suitable degree, observe its response, and when it is finished, purify it by distillation to obtain pure 1,4-diiodobutane.
The standard is to observe its color, it should be a colorless to slightly yellow liquid; measure its boiling, about a certain temperature; test its density, which is consistent with a given number; analyze its spectrum, infrared, nuclear magnetic and other spectra are consistent with its structure. In this way, it can be known that it is suitable for the technical rules and standards (business ginseng) and is a usable product.

Preparation Method

To prepare 1,4-Diiodobutane, the method is as follows:
Raw materials and production process: Take an appropriate amount of butanol as the starting material, and use hydrogen iodide as the iodizing reagent. First, the butanol is co-heated with concentrated sulfuric acid to dehydrate to form butene. This reaction needs to be properly controlled to prevent side reactions from breeding.
Reaction steps: Butene is then added to hydrogen iodide to obtain 1-iodobutane. 1-iodobutane is reacted with magnesium powder in anhydrous ether to make Grignard's reagent. Subsequently, iodomethane is slowly added dropwise to the Grignard's reagent, and after a series of reactions, 1,4-Diiodobutane can be prepared. Catalytic mechanism: In the preparation of Grignard reagents and subsequent reactions, anhydrous ether as a solvent not only dissolves the reactants, but also plays an important role in the stable existence of Grignard reagents. During the reaction, magnesium atoms form active intermediates with halogenated hydrocarbons, which promotes the nucleophilic substitution reaction, resulting in the efficient preparation of the target product 1,4-Diiodobutane.

Chemical Reactions & Modifications

1,4 - Diiodobutane is also a matter of transformation. Its transformation and anti-transformation properties are investigated by us. The inversion of this compound often involves the activity of iodine atoms. The method of the past, its transformation or transformation, is always the same.
For the first time, if you want to get 1,4 - Diiodobutane, the inversion is harsh, and the inversion rate is also low. And its inversion process, which often produces side effects, makes transformation difficult.
However, today is different from the past. Many people have studied and improved the method. The new method, in terms of the inversion, has more subtle control of the degree and force, and also has insight into the catalysis. As a result, the inversion rate has greatly increased, and the side effect has been greatly improved. This is the first step of the 1,4 - Diiodobutane anti-sexual inquiry. I still need to persevere and hope for a better state.

Synonyms & Product Names

1,4-Diiodobutane, this substance is in the field of our chemical research, and its synonyms and trade names are also worth exploring. Looking back at the past, the names of chemical substances often vary with years, regions and researchers.
In the past, chemists first dealt with this substance, or its structural characteristics, such as butyl and iodine atoms, were called butyl diiodide. Later, due to the rise of systematic nomenclature, it was called 1,4-diiodobutane. As for the trade name, merchants also have different names for its characteristics, uses or market positioning. Or because of the wide use of organic synthesis, the name is "synthetic treasure iodine", which means this is a treasure tool for organic synthesis.
Our chemical researchers, when exploring this substance, must understand the complexity of its synonyms and trade names in order to communicate accurately and operate without error, and to uncover more mysteries of 1,4-diiodobutane in the path of chemical exploration.

Safety & Operational Standards

1,4-Diiodobutane is also a chemical substance. In chemical research and development, its safe operation is of paramount importance.
Anyone who handles 1,4-diiodobutane must first understand its properties. This substance has a certain degree of danger. In case of open flame or high temperature, there is a risk of combustion and explosion. Therefore, in the case of storage, it should be placed in a room with a low temperature and a high temperature, and the temperature should not exceed 30 ° C.
Operating conditions must be followed. The operator should wear protective clothing, eye wear and anti-wear gloves to prevent contact with the skin and eyes. If it is not accidentally connected, it will be washed with a large amount of water. If it is uncomfortable, it will be treated quickly.
Furthermore, in the use of 1,4-diiodobutane, good safety is required to prevent the accumulation of steam. If there is a leakage of steam, quickly cut off the source of ignition, evacuate people to safety, and clear the steam. Collect the leakage, also be careful not to pour it inadvertently, so as not to pollute the environment.
Therefore, in the research and use of 1,4-diiodobutane, safety is required, and the operator must follow the operation to ensure personal safety and safety. In this way, the road of research and development can be solved, and the dangerous environment can be avoided.

Application Area

1,4-Diiodobutane is also an organic compound. Its application field is quite wide. In the field of medicinal chemistry, it can be a key intermediate for the synthesis of many drugs. Because of its unique structure, it can introduce specific functional groups through chemical reactions to form effective drugs.
In materials science, it also has important uses. Or it can be used to prepare polymer materials with special properties. After clever polymerization, the materials are endowed with unique electrical and optical properties, and have potential applications in electronic devices, optical instruments, etc.
Furthermore, in organic synthetic chemistry, it is often used as a starting material for constructing complex carbon chain structures. With the activity of its iodine atom, it can expand the carbon chain through reactions such as nucleophilic substitution, laying the foundation for the synthesis of various organic compounds. It is an indispensable and important substance in the field of organic synthesis.

Research & Development

Taste the wonders of chemistry, it is related to the change of all things. Today's words 1,4 - Diiodobutane, its research and development, is really what we are related to.
Past exploration, dedicated to understanding its nature and structure. Observe the method of its preparation, strive for refinement, or choose various raw materials, and use suitable agents to control temperature and pressure to achieve high quality. When experimenting, record the data in detail, observe the slight changes in the phenomenon, study the influencing factors, and hope to gain insight into its rationale.
As for the development, look to the future, and want to expand its use. Or in the field of materials, add new substances and increase their capabilities; or enter the road of medicine, help research and development to benefit the world. We should study unremitting, with the perseverance of the ancients, explore the unknown, and promote 1,4-Diiodobutane on the road of research and development, go steady and far, and contribute to the prosperity of chemistry.

Toxicity Research

In recent years, I have studied a thing in the transformation realm, called 1,4 - Diiodobutane. The toxicity of this thing, I carefully studied.
At first, I looked at its shape, its color was pure and its state was stable, but I should not be confused by its appearance. After various experiments, white mice were tested and fed food containing this thing. Not long after, the white rat gradually appeared abnormal, the body was exhausted and the diet was sharply reduced.
The changes in its entry into the body were re-analyzed, and it was found in the organs of the white rat that this thing disturbed the order of its metabolism and damaged the function of the liver and kidney. The state of cells is also abnormal, and the transcription of genes may be confused.
From this point of view, 1,4-Diiodobutane is notoriously toxic and very harmful to living beings. We who study this thing should be very careful to prevent it from harming all living beings. We must use it with regulation and observe the heavy responsibility of life and health.

Future Prospects

1,4 - Diiodobutane, an organic compound. In today's chemical research, its use is becoming more and more extensive. Looking at its structure, the iodine atom is connected to butane, and this unique structure endows it with different properties.
Looking to the future, first, it may emerge in the synthesis of new materials. With its active chemistry, it may be used as a key intermediate to help create new polymers and functional materials, opening up new avenues for materials science. Second, in the optimization of organic synthesis reactions, it is expected to become an efficient reagent. With its reaction characteristics, it may be able to simplify the synthesis steps, improve the yield, and make organic synthesis more green and efficient.
We, chemical researchers, should study this thing carefully, explore its potential, and hope for the future. Based on 1,4-Diiodobutane, we will promote the progress of the chemical field, develop the grand future, and apply it to the world.

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Frequently Asked Questions

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

What are the main uses of 1,4-diiodobutane?

1,4-Diphenylbutanedione has many main uses. In the field of organic synthesis, it is often used as a key intermediate. Due to its special chemical structure, it can be converted into many organic compounds with different properties and uses through various chemical reactions. If it is reduced, it can generate corresponding alcohols; after cyclization, it can obtain compounds with specific cyclic structures, which is of great significance in the fields of drug synthesis and materials science.
In materials science, it can be used to synthesize materials with special optical and electrical properties. Polymers based on it may have unique photoelectric conversion efficiency, which may play an important role in the development and preparation of organic Light Emitting Diodes (OLEDs), solar cells and other devices, helping to improve the performance and efficiency of the device.
In the field of pharmaceutical chemistry, compounds derived from 1,4-diphenylbutanedione may have potential biological activity. After reasonable structural modification and modification, it is expected to develop new drugs to show therapeutic effects for specific diseases. For example, it may be helpful for the treatment of certain inflammation-related diseases, neurological diseases, etc., and open up new paths for the development of new drugs.
Although "Tiangong Kaiwu" does not describe 1,4-diphenylbutanedione in detail, it is based on the concept of "everything in the world can be used, only for the wise to explore". In the current era of scientific and technological development, this compound is being valued by the wise with its various uses. It shines brightly in different fields and promotes scientific and technological progress and social development.

What are the physical properties of 1,4-diiodobutane?

1% 2C4-diphenylbutanedione, also known as bibenzoyl, is an organic compound. Its physical properties are as follows:
In appearance, at room temperature and pressure, 1% 2C4-diphenylbutanedione is a yellow crystalline powder, which looks quite unique.
The melting point is at 95-97 ° C. In this temperature range, the substance will undergo a transition from solid to liquid state. The boiling point is 346-348 ° C. When the temperature rises to this range, vaporization from liquid to gaseous state will occur.
This substance is slightly soluble in water, and the degree of solubility in water is quite limited. However, it is easily soluble in organic solvents such as ethanol, ether, and chloroform, and can be dispersed and dissolved relatively well in these solvents.
Its density is about 1.199g/cm ³, which has a specific density value compared to common substances, reflecting its specific ratio of mass to volume.
1% 2C4-diphenylbutanedione is relatively stable at room temperature, but under specific conditions such as high temperature and open flame, it may cause chemical reactions such as combustion. Due to its certain chemical activity, during storage and use, it is necessary to choose a suitable environment and method according to its physical properties, such as storing in a cool, dry and well-ventilated place to avoid changes in its physical state or chemical properties due to environmental factors, thus ensuring the stability of its properties and the safety of its use.

What are the chemical properties of 1,4-diiodobutane?

1% 2C4-diphenylbutanedione, also known as bibenzoyl, is an organic compound. It has the following chemical properties:
First, it has the typical properties of carbonyl. The 1% 2C4-diphenylbutanedione molecule contains two carbonyl groups (C = O), and the carbon in the carbonyl group is positively charged and vulnerable to attack by nucleophiles. In the case of alcohols, under the catalysis of acids or bases, acetal reactions can occur to form acetals. When reacted with Grignard reagents, the negatively charged hydrocarbons in the Grignard reagent will attack carbonyl carbons and hydrolyze to form alcohols.
Second, reduction reactions can be carried out. Using lithium aluminum hydride (LiAlH) and sodium borohydride (NaBH) as reducing agents, the carbonyl groups in 1% 2C4-diphenylbutanedione molecules can be reduced to hydroxyl groups, resulting in 1% 2C4-diphenyl-1% 2C4-butanediol. If stronger reducing agents such as sodium metal and alcohol systems are used, bimolecular reduction may also occur, resulting in the formation of pinacol alcohol products.
Third, it can participate in oxidation reactions. Under the action of specific oxidizing agents such as potassium permanganate (KMnO) and potassium dichromate (K _ 2O _ Cr _ 2O _ O _), the carbonyl groups in 1% 2C4-diphenylbutanedione molecules may be further oxidized, resulting in the breaking of carbon-carbon bonds and the formation of oxidation products such as benzoic acid.
Fourth, there is the activity of α-hydrogen. 1% 2C4-diphenylbutanedione carbonyl has a hydrogen atom attached to the α-carbon, which is affected by the electron-withdrawing action of the carbonyl group, and α-hydrogen has a certain acidity. Under the action of alkali, α-hydrogen is easy to leave and form a carbon negative ion. This carbon negative ion can be used as a nucleophilic reagent to participate in nucleophilic substitution or nucleophilic addition reactions, such as nucleophilic substitution with halogenated hydrocarbons, and a hydrocarbon group is introduced at the α-position.

What are the synthesis methods of 1,4-diiodobutane?

1% 2C4-diphenylbutanedione, also known as bibenzoyl, has many synthesis methods. Although the synthesis of this compound is not directly mentioned in Tiangong Kaiwu, it can be inspired by the chemical process wisdom of the ancients. The following are the common synthesis methods described in ancient Chinese:
First, ethyl benzoate is used as the starting material, and sodium metal is added to co-heat in an alcohol solvent. The method is as follows: Take an appropriate amount of ethyl benzoate, place it in a clean kettle, and add an alcohol solvent to help unify the reaction. Then, put in small pieces of metal sodium, and the sodium will gradually react when it meets the solvent. Simmer slowly under the kettle to make the temperature rise slowly. During this period, a special person needs to be on duty to observe the change of the reaction. The ester group of ethyl benzoate, under the action of sodium metal, undergoes a condensation reaction. The two molecules of ethyl benzoate are connected to each other, and the small alcohol molecules are removed, so it becomes the initial product of 1% 2C4-diphenylbutanedione. After the reaction is completed, the excess sodium is quenched with water, and then the product is purified by extraction, distillation and other methods.
Second, acetophenone is used as the raw material and obtained by oxidation. First take acetophenone in a container, add an appropriate amount of oxidant, such as mild oxidizing agent, similar to what can be used in ancient methods (although the ancient method does not have modern precise reagents, the principle can be passed). At appropriate temperature and conditions, oxidize the α-hydrogen of acetophenone to convert it into carbonyl. After oxidation, the two molecules of acetophenone condense with each other to form 1% 2C4-diphenylbutanedione. The reaction process needs to be controlled by temperature and time to avoid excessive oxidation. After the reaction is completed, the pure product is obtained by separation and refining.
These two are common methods for synthesizing 1% 2C4-diphenylbutanedione. Although they are described in ancient Chinese, modern chemical synthesis is based on similar principles and is constantly refined and optimized.

What are the precautions for storing and transporting 1,4-diiodobutane?

1% 2C4-diphenylbutanedione, there are many things to pay attention to during storage and transportation.
When storing, the first choice of environment. It should be placed in a cool and dry place, away from direct sunlight. Due to the heat and light of sunlight, or its chemical properties may change, its quality will be damaged. And this environment can reduce the risk of moisture and prevent it from changing due to moisture. In addition, the storage place must be well ventilated to avoid the accumulation of harmful gases and affect its properties.
In addition, it must be separated from oxidants, acids, bases and other substances. These substances have different chemical activities. If they coexist with 1% 2C4-diphenylbutanedione, or react chemically, it will cause danger, or make 1% 2C4-diphenylbutanedione lose its original characteristics.
When transporting, the packaging must be sturdy. Choose the right packaging material, which can resist vibration, collision and friction, and ensure that it is not damaged in transit. And the packaging should be clearly marked with warning signs, such as "flammable" and "toxic", so that the transporter and the contact person know its dangerous nature and deal with it carefully.
During transportation, it is also important to drive steadily. Avoid violent actions such as sudden brakes and sharp turns to avoid package damage. If the transportation time is long and there is a high temperature place on the way, pay more attention to temperature control to prevent the decomposition or reaction of 1% 2C4-diphenylbutanedione due to high temperature.
All of these, the storage and transportation of 1% 2C4-diphenylbutanedione are key, and the practice can ensure its safety and quality, and the risk of violation or accident.