2 Fluorobenzenesulfonyl Fluoride
Fluoride

2-Fluorobenzenesulfonyl Fluoride

Duxiu Chemical

Specifications

HS Code

752579

Chemical Formula C6H4F2O2S
Molar Mass 180.16 g/mol
Appearance Colorless to light yellow liquid
Boiling Point 202 - 204 °C
Melting Point N/A
Density 1.474 g/cm³
Solubility In Water Reacts with water
Vapor Pressure Low vapor pressure
Flash Point 91.1 °C
Refractive Index 1.496
Chemical Formula C6H4F2O2S
Molecular Weight 180.16
Appearance Colorless to light yellow liquid
Boiling Point 197 - 198 °C
Melting Point N/A
Density 1.469 g/mL at 25 °C
Solubility Soluble in organic solvents like dichloromethane
Vapor Pressure N/A
Flash Point 84.4 °C
Stability Stable under normal conditions, but reactive with water and bases

As an accredited 2-Fluorobenzenesulfonyl Fluoride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage
Packing 100g of 2 - Fluorobenzenesulfonyl Fluoride packaged in a sealed chemical - grade bottle.
Storage 2 - Fluorobenzenesulfonyl Fluoride should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and reactive substances. Store in a tightly - sealed container, preferably made of materials resistant to corrosion. Given its potentially hazardous nature, ensure storage is in a location with restricted access, following all safety regulations.
Shipping 2 - Fluorobenzenesulfonyl fluoride, a chemical, is shipped in well - sealed, corrosion - resistant containers. It adheres to strict hazardous materials regulations, ensuring safe transport to prevent any leakage or chemical reactions during transit.
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2-Fluorobenzenesulfonyl Fluoride
General Information
Historical Development
Remembering the past, the field of organic chemistry, exploring new things, there is no such thing as 2-Fluorobenzenesulfonyl Fluoride. Zhu Xian made great efforts to study the genus of sulfonyl fluoride and explore new frontiers.
At the beginning, the road of research was full of thorns, and the method of synthesis was not obtained. Everyone tried their best to try various paths, or because the reaction conditions were harsh, or the raw materials were rare, they were frustrated many times, but they were not discouraged.
After a long time of exploration, they finally found something. After exquisite design, with suitable raw materials and precise conditions, this 2-Fluorobenzenesulfonyl Fluoride was initially prepared. At the beginning, the yield was still small, but it was of great significance.
Later, Zhugong continued to study purification and optimization techniques. The process became better, the yield increased, and the application path became wider. As a result, 2-Fluorobenzenesulfonyl Fluoride emerged in the fields of organic synthesis, pharmaceutical research and development, and became one of the driving forces for chemical development.
Product Overview
Today there is a compound called 2 - Fluorobenzenesulfonyl Fluoride. This is an organic compound with a unique molecular structure, containing fluorine and sulfonyl fluoride groups. The introduction of fluorine atoms endows it with special physical and chemical properties, making it unique in many fields.
Looking at its physical properties, it is liquid at room temperature and has certain volatility. Due to its fluoride content, it has good chemical stability and strong corrosion resistance. In the field of organic synthesis, it can be used as a key intermediate. With the activity of sulfonyl fluoride groups, it can react with a variety of compounds to build complex organic structures.
In materials science, it can be modified to improve the properties of materials, such as enhancing the weather resistance and chemical stability of materials. It is also expected to be used in the preparation of new functional materials, which will contribute to scientific research and industrial innovation. This compound has great potential, and we need to explore it in depth to develop its more functions.
Physical & Chemical Properties
The physical and chemical properties of 2 fluorobenzenesulfonyl fluoride can be studied. Looking at its shape, under normal conditions, or as a clear liquid, it is colorless and transparent, like mirror water. Its taste, or specific smell, is difficult to describe.
Regarding its physical properties, the melting and boiling point has a fixed number. If the melting point is a certain value, the boiling point is also in a specific range, which is related to the intermolecular force. And its density is different from that of water, whether light or heavy, mixed with surrounding substances, and has its own distinction.
As for chemistry, it is very active. The fluorine atom is active, causing 2 fluorobenzenesulfonyl fluoride to actively participate in various reactions. In case of alkali, it can cause hydrolysis and produce corresponding salts and other substances. In case of active metals, it can also form different compounds. Its chemical changes follow the laws of chemistry, which can be used in industry and is also important for scientific research.
Technical Specifications & Labeling
There is now a second grade, called 2 - Fluorobenzenesulfonyl Fluoride. If you want to clarify its technical specifications and identification (product parameters), you should take the school in detail.
In the technical specifications, the material selection must be high-quality, the ratio is accurate, the operation is carried out in sequence, and the heat and duration are fixed. The reaction device must be clean and good, and it must be prevented from entering and bad quality.
As for the identification (product parameters), the color is pure and transparent, and the taste is correct. Its chemical properties are stable, and under a specific temperature and pressure, there is no abnormal change. Only when the purity and content are in line with the established standards can it be called good. In this way can it be a high-quality product for all uses.
Preparation Method
The raw materials and production process of this difluorobenzenesulfonyl fluoride are the key. Take benzenesulfonyl chloride as the initial material and place it in a special reactor with anhydrous hydrogen fluoride. Control the temperature at a suitable degree, about 60 to 80 degrees Celsius, and stir slowly to make the two fully blend. This is the first step of the reaction.
When the reaction is gradually stabilized, fine-tune the temperature to about 90 degrees Celsius and maintain it for about two hours to make the reaction more complete. After the reaction, the unreacted raw materials are separated by distillation, and the product is retained.
In order to ensure the purity of the product, a refining process is required. Activated carbon is used to absorb impurities and then cool and crystallize to obtain pure crystals. The conversion mechanism is based on the characteristics of fluorine atoms replacing chlorine atoms, and the reaction conditions are precisely regulated to achieve the purpose of efficient production of difluorobenzene sulfonyl fluoride. Although this process operation is complex, it is indispensable for the best product.
Chemical Reactions & Modifications
There are now 2 - Fluorobenzenesulfonyl Fluoride, which is crucial for chemical reaction and modification. Looking at its reaction, or combining with various reagents, it can produce different products. There are many ways to modify it. Or you can change the structure of its molecules under specific conditions to make it unique.
If you look at it in ancient ways, you need to study all kinds of factors in order to explore its reaction and modification. Such as changes in temperature and pressure, and the ratio of reagents are all related to the result. During the reaction, if the temperature is too high or too low, the reaction can be different. The same is true for pressure. Moderate pressure can promote its smooth progress. If the ratio of reagents is not appropriate, the quality and quantity of the product will also be disturbed.
In the process of modification, it is necessary to study the structure of its molecules carefully. Only by understanding the characteristics of its bonds can we find suitable methods. Or introduce new groups, or adjust its original bonds, so that this material has better properties and is suitable for more situations. In this way, we can make good use of this material in the field of chemistry and develop its capabilities.
Synonyms & Product Names
In 2023, there is a new product in the field of fluorine chemical industry, called 2 - Fluorobenzenesulfonyl Fluoride. This product is gradually showing extraordinary performance in various applications in the chemical industry.
There are also many aliases. In the industry, people may call it by other names to express their characteristics. Although the names are different, they all refer to this chemical product.
This product plays a key role in many chemical processes. Its unique chemical properties make it stand out in material synthesis, reaction catalysis, etc. Based on it, many new materials are bred, adding new vitality to the chemical industry. It is a rare product in the chemical industry, and its future development is also highly anticipated by the industry. It is expected to showcase its skills in more fields and open up new frontiers in the chemical industry.
Safety & Operational Standards
Safety and Operating Regulations of Fluorobenzenesulfonyl Fluoride
Fluorobenzenesulfonyl fluoride is also a heavy product. Regarding its safety and operating regulations, it cannot be ignored.
In the storage regulations, it must be selected in a dry, cool and well-ventilated place. Avoid mixing with strong oxygen agents, strong alkalis, etc., to prevent unexpected reactions. The reservoir should be made of corrosion-resistant materials, and it should be dense to prevent it from leaking.
As for the operation, the operator must wear appropriate protective gear. Such as corrosion-resistant clothing to prevent its liquid from splashing on the body; wear protective goggles to protect the eyes; wear corrosion-resistant gloves to keep the hands safe.
It is better to operate in a fume hood, so that the escaping air can dissipate quickly and avoid gathering in the room. In the operation room, there should be no fire sources such as open flames and static electricity, because it may be explosive. If there is a leak, stop the operation immediately, and keep people safe. For small leaks, use sand, vermiculite, etc., and place a special device for it to be placed; when there is a big leak, the surrounding area should be cleared by a professional method.
After use, the device must be cleared, and the remaining products should be disposed of according to regulations, and should not be discarded indiscriminately. In this way, the use of fluorobenzenesulfonyl fluoride is guaranteed to avoid the risk of not being cute, and to protect people and the environment.
Application Area
Today there is a thing called 2 - Fluorobenzenesulfonyl Fluoride, which is widely used and extraordinary. In the field of medicine, it can be the foundation for creating new medicines, helping doctors to remove diseases and relieve people's diseases. In the world of material manufacturing, it can make the material more tough and durable, suitable for all kinds of equipment. In the process of chemical synthesis, it is the key to many delicate reactions, spawning new things and expanding the boundaries of chemical industry.
The wisdom of ancient times, although I have never heard of this name, but its spirit of seeking new exploration and the use of this thing are both to open up the unknown and benefit all people. Now get this 2 - Fluorobenzenesulfonyl Fluoride, make good use of it, will be able to make all things smooth, benefit the society, to achieve the unfinished business of the predecessors, create prosperity in future generations.
Research & Development
In recent years, I have been in the field of chemical industry, focusing on the study of 2-Fluorobenzenesulfonyl Fluoride. Its unique properties often show extraordinary effects in many reactions, and it is of great value to explore.
At the beginning, analyze its structure, explain the wonder of its bonding, and explore its physicochemical properties. Under different temperatures and pressures, observe the change of its state, measure its melting point, and know its solubility. Then study its reaction mechanism, and try to use a multi-component method to promote its synthesis with others.
After months of research, there are small achievements. Observe that it can participate in the condensation reaction efficiently in a specific catalytic system, and the purity of the product can also be observed. However, there are also problems, the reaction conditions are harsh, the cost is quite high, and it is difficult to adapt to large-scale production.
Our generation should continue to study, seek optimization methods, reduce its costs, and expand its application domains. Hope that in the future, this 2-Fluorobenzenesulfonyl Fluoride can be widely used in industrial and medical industries, adding to the prosperity of chemical industry.
Toxicity Research
Since modern times, chemical refinement has resulted in the emergence of various new substances. Today, there are 2-Fluorobenzenesulfonyl Fluoride. The research on its toxicity is particularly important for people's health.
Our generation studied it, observed its characteristics, observed its response to other substances, and explored the path of its entry into the body and the changes it produced. After various experiments, we know that if this substance is accidentally touched, smelled or eaten, it can cause harm. In the biological body, it can be disorderly metabolized and damage the ability of organs.
Although today's research has been successful, there are still unknowns. In the future, we should deeply investigate its toxicology, explore the course of its harm in detail, and hope to obtain a comprehensive plan to avoid its poison and ensure the safety of all living beings.
Future Prospects
The future exhibition, on 2 - Fluorobenzenesulfonyl Fluoride, is full of hope. Although it is only a chemical substance at the moment, its potential is extraordinary. This material has a unique structure and may emerge in the field of materials. In the future, it may give birth to new high-performance materials, which will reduce the weight and improve the efficiency of electronic devices, making them lighter and more efficient. It is also expected to play a key role in pharmaceutical research and development, helping scientists create new drugs with better efficacy and fewer side effects. In the chemical production process, it may promote green change and make production more environmentally friendly and efficient. In time, 2 - Fluorobenzenesulfonyl Fluoride will surely shine, bring new breakthroughs in many fields, and lead the trend of future technological development.
Historical Development
Taste the chemical industry, the development is changing with each passing day, and all kinds of products have come into being. Today, there are 2-Fluorobenzenesulfonyl Fluoride, tracing its source. At the beginning, researchers explored in numerous experiments, and after repeated attempts, it has its prototype. At that time, the technology was not refined, the production was difficult, and the yield was very small.
With the passage of time, science and technology have gradually developed, and the research has also continued to deepen. The analysis of the principle is more thorough, and the process is gradually improved. From the initial simple method to the later precision process, the output of 2-Fluorobenzenesulfonyl Fluoride has gradually increased, and the quality has also become better.
Looking at its development path, it is due to the unremitting research of researchers of all generations. With wisdom and sweat, this thing has created today's achievements, occupied a place in the chemical industry, and laid the foundation for more innovative development in the future.
Product Overview
2-Fluorobenzenesulfonyl fluoride is a unique chemical product. Its shape may be a colorless liquid, with special properties. This product is often a key raw material in the field of organic synthesis. Its structure is exquisite, and the fluorine-containing base imparts unique chemical activity.
The preparation method often involves fine reactions, and precise temperature control and batching are used to obtain this pure product. In the chemical process, it is necessary to carefully observe the reaction state to prevent side reactions and ensure the quality of the product.
When used, 2-fluorobenzenesulfonyl fluoride can participate in various complex synthesis, paving the way for the creation of new compounds. However, it is lively, and safety regulations must be followed when used to prevent accidental harm. Therefore, this chemical product plays an important role in chemical research and production, and it is to be carefully studied and used by researchers.
Physical & Chemical Properties
In 2023, I will focus on the physical properties of chemistry, focusing on 2-Fluorobenzenesulfonyl Fluoride. This substance, its physical properties, pure and transparent color, like a flowing liquid, looks like water and has different quality. Its boiling point is quite low, and it is easy to vaporize when slightly hot, turning into invisible steam. And it has strong volatility. When placed in an open vessel, it will soon disperse in the air.
On its chemical properties, it is abnormally active. In case of alkali substances, it will react violently, chemical bonds will be broken and new bonds will be formed, and the products will be very different from the original. In the field of organic synthesis, it is an extremely important reagent that can couple with a variety of organic compounds, expand the molecular structure, and create novel compounds. It has extraordinary application prospects in various fields such as medicine and materials. I will delve deeper into it to explore more of its physical properties and chemical changes.
Technical Specifications & Labeling
There is a thing today, called "2 - Fluorobenzenesulfonyl Fluoride". Its technical specifications and identification (product parameters) are of paramount importance. To make this thing, a certain process must be followed, and the ratio of materials, the control of heat, and the consideration of time must be accurate. On the logo, its properties must be detailed, and the view should be clear about its color, smell and taste; copy its ingredients, list the elements and their proportions in detail; remember its use, and know where it can be applied. And it must be marked with safety warnings to inform users to avoid risks. In this way, the technical specifications and labels of this thing are complete, so that everyone can use it without error and without confusion.
Preparation Method
The method of preparing difluorobenzenesulfonyl fluoride is related to the raw materials and production process, reaction steps and catalytic mechanism. The selection of raw materials should choose high-purity benzenesulfonyl fluoride and fluoride, the purity of which is crucial to the quality of the product. The production process requires precise temperature control, pressure control and time control. At the beginning of the reaction, benzenesulfonyl fluoride and fluoride are put into the reactor in a specific ratio, and the temperature is raised to a suitable temperature, generally about one hundred or twenty degrees Celsius. Metal fluoride is used as a catalyst to accelerate the reaction. During the reaction, the pressure is closely monitored and maintained within a certain range, about three to five atmospheres. After the reaction is completed, the product is purified by distillation, extraction and This process requires rigorous operation and close interlocking of each link to produce high-purity difluorobenzene sulfonyl fluoride, which can be used in the chemical industry.
Chemical Reactions & Modifications
2 - Fluorobenzenesulfonyl Fluoride, it is also a chemical substance. Its anti-modification is important for those who do it.
The anti-modification of this compound, or the nuclear substitution of this compound. The atomic activity of fluorine often leads to the attack of other groups, and new fluorides are generated. If it is encountered in the nucleus of fluoride, it can be easily fluorinated and formed into fluoride, which is one of the ways of chemical modification.
And in its molecule, the base of benzenesulfonyl fluoride also has special properties. It can have different properties due to the properties of the reaction parts, such as the degree of resistance and the dissolution. Or it can combine with the reaction, so that the molecule can be increased; or it can be modified, and it can be special.
The author studies this object, seeks to investigate its inverse effects, and clarifies the modification method, so as to expand its use in the synthesis of substances and materials, hoping to improve its performance, and transforming it.
Synonyms & Product Names
Today, there is a thing called 2 - Fluorobenzenesulfonyl Fluoride. Its trade name is also the same as what we have studied. This thing has its own unique characteristics and uses in the field of chemistry. Those who are the same, or the secret of its transformation, the trade name is often involved in the circulation of the market. I am a researcher of chemistry, and I must investigate its same name, just like exploring the details, to know the whole picture. The trade name cannot be ignored, because the needs of the city, so are the names. This 2 - Fluorobenzenesulfonyl Fluoride, its same trade name, is the same as our exploration of the world, with its characteristics and uses, so that we can take a step further in the way of transformation, understand its rationale, use it in the right way, promote it, and benefit the needs of people's lives.
Safety & Operational Standards
2. Fluorobenzenesulfonyl Fluoride is a special chemical product. Safety and operating standards are of paramount importance during its production, use and storage.
In the production site, the first thing is to ensure good ventilation. This chemical has certain toxicity and irritation. If it accumulates in a closed space, it is easy to endanger the health of the operator. Therefore, complete ventilation equipment should be installed to allow the air to continue to circulate and disperse harmful gases in time.
When the operator comes into contact with this substance, protective measures must be taken. Professional protective clothing must be worn. This clothing needs to be resistant to chemical corrosion and can effectively block the contact of chemicals with the body. And to wear protective gloves, the material must be able to resist the erosion of 2-Fluorobenzenesulfonyl Fluoride to avoid damage to the hand skin. Facial protection is also indispensable. Wear a gas mask to filter harmful gases and ensure respiratory safety.
The operation process must be rigorous. When taking it, use a precise measuring instrument and operate it according to the specified dosage. Do not increase or decrease it at will. And the operation should be slow to prevent chemicals from splashing due to excessive action. If it is accidentally splashed, deal with it immediately according to the established emergency procedures. If a small amount is splashed, quickly cover and absorb it with an adsorption material to avoid diffusion; if a large amount is splashed, it is necessary to evacuate personnel in time, seal the scene, and dispose of it by professionals.
For storage, it should be placed in a cool, dry and ventilated place. Keep away from fire and heat sources, because it may cause danger when exposed to open flames, hot topics. At the same time, it should be stored separately from oxidants and alkalis to prevent chemical reactions. The storage area should be equipped with obvious warning signs to remind personnel to pay attention to safety.
Only by strictly adhering to the above safety and operation specifications can we ensure the safety of 2-Fluorobenzenesulfonyl Fluoride in all links, avoid accidents, protect the safety of operators, and protect the environment from pollution.
Application Area
Today there is a thing called 2 - Fluorobenzenesulfonyl Fluoride, which is widely used. In the field of medicine, it can assist in the research of new drugs, investigate the root cause of diseases, and find a way to cure diseases. In the field of industry and technology, it can participate in the system of equipment to make the material stronger and corrosion-resistant, and increase its lifespan. And in the industry of agriculture mulberry, or it can make anti-insect and pest agents to protect the flourishing of crops and ensure the hope of a bumper harvest. It can be used in all fields, such as the stars shining in the sky, although it is small and can be bright, it is important for everyone, and if it is used properly, it will be good in the world, benefit people's livelihood, and promote the prosperity of all industries.
Research & Development
Since modern times, the art of chemistry has advanced day by day, and new things have emerged one after another. Today, there are 2-Fluorobenzenesulfonyl Fluoride, which is gradually used in various chemical fields.
We studied it, and we first observed its properties. Its physical characteristics are related to the degree of melting and the number of dense folds, which are recorded in detail. The properties of chemistry, and the response of various things, or electrophilic, or nucleophilic, are all carefully studied.
Then study the method of its preparation. The methods of the past, whether complex or rudimentary, we seek new methods, and we hope to be efficient and pure. After repeated trials, we have obtained one or two good strategies, and we have all experienced the selection of raw materials and the control of conditions.
As for the way of application, in medicine, it can help the structure of active molecules; in materials, it can change its properties, increase its toughness, resistance and other functions.
However, there are many obstacles in the way of research and development. The danger of safety is inevitable; cost control is also the key. We should strive to move forward, hoping that this product will shine in the road of research and development and be used by the world.
Toxicity Research
Recently, I have been focusing on the toxicity research of "2 - Fluorobenzenesulfonyl Fluoride". This chemical may seem ordinary, but its potential harm should not be underestimated.
I have studied it with ancient methods to observe its properties in detail. After many experiments, I found that if this substance accidentally touches the skin or inhales it into the body, it can cause all kinds of discomfort. In light cases, the skin is itchy, red and swollen; in severe cases, it may damage the organs and endanger life.
Looking at its reaction state, under specific conditions, it can produce violent changes and release harmful gas. Although the research is not complete at present, according to the current situation, it can be known that its toxicity is not shallow. In the future, we should be more diligent, study the mechanism carefully, and hope to find a good recipe to avoid its harm, so that this chemical can be used without harm to the public.
Future Prospects
In the future, science and technology will prosper, and the research of chemical materials will be new every day. Today there are 2 - Fluorobenzenesulfonyl Fluoride, which contains the power of.
Our research and development, it can be used in the field of, or it can be the cornerstone of new research, to help overcome general diseases and save the world from suffering from diseases. In the field of material science, it may be able to generate new materials that are convenient and convenient, and it is important to be used in aerospace and other fields, so as to promote its rapid development.
We must diligently research and work hard to make 2 - Fluorobenzenesulfonyl Fluoride its best work, illuminate the undeveloped road, and create a good life in the world. This is our great work, and it is also the future of development.
Where to Buy 2-Fluorobenzenesulfonyl Fluoride in China?
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Frequently Asked Questions

As a leading 2-Fluorobenzenesulfonyl Fluoride 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 2-Fluorobenzenesulfonyl Fluoride?
2-Fluorobenzenesulfonyl fluoride has a wide range of uses in the field of organic synthesis.
First, it is a crucial reagent in the preparation of fluorine-containing organic compounds. Fluorine atoms have unique characteristics and can change the physical, chemical and biological activities of compounds. 2-Fluorobenzenesulfonyl fluoride can participate in many nucleophilic substitution reactions with its fluorine atom and sulfonyl fluoride group. For example, when it encounters an alcohol, the sulfonyl fluoride group can be substituted with the hydroxyl group of the alcohol to obtain fluorinated sulfonate esters. These sulfonates, or as important intermediates in pharmaceutical chemistry, can often increase the lipophilicity of drugs due to their fluorine-containing structures, helping them cross biofilms and improve bioavailability.
Second, in the field of materials science, it also has its uses. After reacting with a specific polymer monomer, fluorine-containing structures can be introduced into the main chain or side chain of the polymer. The fluoropolymers thus obtained often have excellent thermal stability, chemical stability and low surface energy. If used in the preparation of special coatings, it can make the coating surface hydrophobic, oleophobic, and wear-resistant and corrosion-resistant. It is used in aerospace, automotive and other fields to protect the surface of materials and prolong their service life.
Third, in pharmaceutical research and development, 2-fluorobenzenesulfonyl fluoride is involved in the construction of the key skeleton of drug molecules. Through its participation in the reaction, fluorine atoms and sulfonyl groups can be precisely introduced, which play a significant role in the regulation of drug activity. Sulfonyl groups can specifically interact with certain check points of proteins in organisms, while fluorine atoms can fine-tune the electron cloud density of drug molecules, optimize their ability to bind to targets, and help discover new drugs with high activity and selectivity.
In short, 2-fluorobenzenesulfonyl fluoride is indispensable in many fields such as organic synthesis, materials science, and pharmaceutical research and development, and has made great contributions to promoting technological innovation and development in various fields.
What are the physical properties of 2-Fluorobenzenesulfonyl Fluoride?
2-Fluorobenzenesulfonyl fluoride, an organic compound, is very important in the field of organic synthesis. Its physical properties are as follows:
Under normal temperature and pressure, 2-fluorobenzenesulfonyl fluoride is usually colorless to light yellow liquid, with a clear appearance and certain fluidity. It can be regarded as a typical organic liquid, which is easy to dump and transfer in chemical production and experimental operations.
Smell its smell, often with an irritating smell. Although this smell cannot be accurately described with exact descriptive words, it is easy to identify once smelled. This irritating smell may cause certain irritation to the human respiratory tract, eyes and skin. Protective measures should be taken during operation, such as wearing protective masks, goggles and gloves.
Measure its boiling point, which is about a specific temperature range. This property is of great significance in separation, purification and control of reaction conditions. Since the boiling point is the critical temperature at which a liquid converts to a gas, knowing its boiling point allows the appropriate temperature to be set in operations such as distillation to effectively separate 2-fluorobenzenesulfonyl fluoride from the mixture.
Measure its density, relative to water, with a specific density value. This density characteristic determines its sinking and floating conditions in water and other liquids. If the density is greater than water, it will sink to the bottom of the water; if it is less than water, it will float to the surface. This has a profound impact on the design and implementation of separation operations in experiments or industrial processes involving liquid-liquid separation.
Looking at its solubility, 2-fluorobenzenesulfonyl fluoride exhibits good solubility in organic solvents, such as common organic solvents such as ether and dichloromethane, which can be miscible with it. However, its solubility in water is poor. This difference in solubility is crucial in the selection of solvents for organic synthesis reactions. Choosing a suitable solvent can not only improve the reaction rate, but also enhance the selectivity of the product.
2-Fluorobenzenesulfonyl the chemistry of Fluoride
2-Fluorobenzenesulfonyl fluoride, this is an organic compound with unique chemical properties. Its appearance is often colorless to light yellow liquid, and it has a certain volatility.
In terms of chemical activity, the sulfonyl fluoride group (-SO 2O F) is extremely active. In this group, the sulfur atom is in a high valence state and is connected to the fluorine atom, causing the electron cloud density of the sulfur atom to decrease, making it vulnerable to attack by nucleophiles. Nucleophiles such as alcohols and amines can undergo nucleophilic substitution reactions with 2-fluorobenzenesulfonyl fluoride. For example, when an alcohol reacts with it, the hydroxyl oxygen atom in the alcohol acts as a nucleophilic center to attack the sulfur atom of the sulfonyl fluoride group, and the fluoride ion leaves to form a sulfon This reaction is often used in organic synthesis to construct sulfonate structures, which have important uses in medicinal chemistry, materials science and other fields.
Furthermore, the benzene ring of 2-fluorobenzenesulfonyl fluoride also has certain reactivity. Although the benzene ring has conjugate stability, the presence of fluorine atoms affects its electron cloud distribution. Fluorine atoms have a strong electron-absorbing induction effect, which decreases the electron cloud density of the benzene ring, especially the electron cloud density of the ortho and para-site. This results in a decrease in the electrophilic substitution activity of the benzene ring, and the reaction check point is more inclined to the meta-site. However, under certain conditions, such as the presence of strong electrophilic reagents, electrophilic substitution reactions can still occur to generate corresponding substitution products.
2 -fluorobenzenesulfonyl fluoride has a wide range of uses in the field of organic synthesis due to its active sulfonyl fluoride group and reactive benzene ring structure. It can be used as a key intermediate for the synthesis of a variety of complex organic compounds, and has important value in drug research and development, new material creation, etc.
What is the preparation method of 2-Fluorobenzenesulfonyl Fluoride?
2-Fluorobenzenesulfonyl fluoride is a commonly used reagent in organic synthesis. Its preparation method often follows a number of paths.
One method uses 2-fluorobenzenesulfonic acid as the starting material. Take 2-fluorobenzenesulfonic acid first and place it in the reaction kettle with phosphorus pentachloride. When the two meet, it is a violent reaction. Phosphorus pentachloride has strong chlorination and can replace the hydroxyl group in the sulfonic acid group with a chlorine atom. During the reaction, the temperature should be controlled in a moderate range and stirred continuously to promote a uniform reaction. The chemical reaction equation is roughly as follows:
\ (C_ {6} H_ {4} FSO_ {3} H + PCl_ {5}\ longrightarrow C_ {6} H_ {4} FSO_ {2} Cl + POCl_ {3} + HCl\). The 2-fluorobenzenesulfonyl chloride generated by
reacts with anhydrous potassium fluoride in an organic solvent. Organic solvents, such as N, N-dimethylformamide (DMF), can increase the solubility of the reactants and promote the progress of the reaction. In this step, the fluoride ion nucleophilic attacks the carbon atom of the sulfonyl chloride, and the chlorine atom leaves, resulting in 2-fluorobenzenesulfonyl fluoride. The reaction formula is:
\ (C_ {6} H_ {4} FSO_ {2} Cl + KF\ longrightarrow C_ {6} H_ {4} FSO_ {2} F + KCl\).
There is another method, with 2-fluoroaniline as the starting material. First, 2-fluoroaniline is heated with concentrated sulfuric acid and concentrated nitric acid, and then nitrified to obtain 2-fluoro-5-nitroaniline. After diazotization, sodium nitrite is reacted with 2-fluoro-5-nitroaniline in an acidic medium to obtain a diazonium salt. Then the diazonium salt is treated with sodium sulfite, and the sulfonic acid group is introduced. Then the nitro group is removed by a reduction reaction to obtain 2-fluorobenzenesulfonic acid. This 2-fluorobenzenesulfonic acid can also be obtained by reacting with phosphorus pentachloride and anhydrous potassium fluoride according to the previous method. When preparing
, many factors must be paid attention to. The control of temperature is related to the reaction rate and the purity of the product. The ratio of the reactants is also crucial. Improper proportions or side reactions may lead to clumps and impure products. The reaction device must be tight to prevent the escape of the reactants, and the choice of organic solvents also affects the reaction process and product yield. All of these are prudent when preparing 2-fluorobenzenesulfonyl fluoride.
What are the precautions for 2-Fluorobenzenesulfonyl Fluoride during use?
2-Fluorobenzenesulfonyl fluoride is an important reagent in organic synthesis. When using it, many precautions must be paid attention to.
Bear the brunt of it, and safety protection must not be ignored. This reagent is highly corrosive and will cause serious burns when in contact with the skin and eyes. When operating, be sure to wear complete protective equipment, such as acid and alkali resistant gloves, protective glasses, laboratory clothes, and if necessary, a gas mask. In case of accidental contact, rinse with plenty of water immediately, and then seek medical treatment.
Secondly, because of its active chemical properties, it is easy to react with compounds containing active hydrogen such as water and alcohols. When storing, it should be placed in a dry, cool and well-ventilated place to prevent water vapor intrusion. The use process should be rapid and the contact time with air should be shortened as much as possible.
Furthermore, the reagent has high activity in the reaction system and is extremely sensitive to reaction conditions. Temperature, solvent, catalyst and other factors will all have a significant impact on the reaction process and product yield and purity. Therefore, it is necessary to fully optimize and explore the reaction conditions before use, and precisely control each parameter to ensure that the reaction proceeds smoothly in the expected direction.
In addition, the reaction of 2-fluorobenzenesulfonyl fluoride involves the formation of by-products with certain toxicity or corrosiveness. After the reaction is completed, the post-treatment process is crucial. It is necessary to follow relevant specifications and procedures to properly handle the reaction mixture to prevent the random discharge of harmful substances and pollution to the environment.
During the operation, close attention should also be paid to the reaction phenomenon. If there is any abnormality, such as sudden temperature change, large amount of gas escape, etc., corresponding measures should be taken immediately to ensure the safety and smooth progress of the experiment. Only by paying high attention to the above precautions and operating cautiously can we effectively avoid risks and make 2-fluorobenzenesulfonyl fluoride play its due role in organic synthesis.