Chemical Formula | C6H13FO3S |
Molecular Weight | 186.23 |
Appearance | Colorless to pale yellow liquid |
Odor | Pungent |
Density | 1.144 g/cm³ |
Boiling Point | 210 - 212 °C |
Solubility | Soluble in organic solvents like dichloromethane, insoluble in water |
Flash Point | 92.2 °C |
Stability | Stable under normal conditions, but reactive with strong oxidizing agents |
What are the main uses of Hexanesulfonyl Fluoride?
Hexanesulfonyl fluoride is also a chemical agent. It is widely used and is an important reagent in the field of organic synthesis. It can be used as a sulfonylating agent, introducing sulfonyl-based compounds to other compounds, and assisting in the formation of various organic molecules, which is of great benefit to the creation of new drugs, the development of new materials, etc.
In the pharmaceutical and chemical industry, it is often used to make drug intermediates with special structures. With its reaction, it can precisely modify molecules, endow drugs with good activity, selectivity and pharmacokinetics, and promote the development and production of new drugs.
In materials science, it also has its use. or to help create materials with special properties, such as improving the surface properties of materials, increasing their anti-wear, anti-corrosion and hydrophobicity, etc. After reacting with the surface of the material, the hexane sulfonyl fluoride group is induced, and the surface chemistry and physics are changed, which should be used in different scenarios.
In some catalytic reactions, it can be used as an auxiliary agent to adjust the reactivity and selectivity. By interacting with the reactants or catalysts, the reaction path and rate can be changed, so that the reaction can produce the target product more efficiently and specifically, improve the yield and quality, reduce the cost, and meet the needs of industrial production.
In summary, hexane sulfonyl fluoride, with its unique reactivity, is important in many fields such as organic synthesis, pharmaceutical chemistry, materials science and catalytic reactions, and has made great contributions to the progress and development of various fields.
What are the Physical Properties of Hexanesulfonyl Fluoride?
Hexanesulfonyl fluoride is also an organic compound. Its physical properties are numerous.
First of all, under room temperature, it is mostly colorless to light yellow liquid, and it looks clear and transparent, like the luster of glass.
When it comes to melting point, due to the characteristics of molecular structure, its melting point is quite low, and it is difficult to form a solid state at common ambient temperatures.
In terms of boiling point, under specific pressure conditions, its boiling point has a certain value, but it will change according to the pressure. This is due to the interaction of intermolecular forces and external pressure.
The density of hexanesulfonyl fluoride is greater than that of water. When placed in water, it can sink to the bottom of the water. The characteristics of its density play an important role in separation, mixing and other operations.
Furthermore, its solubility is also a key physical property. In organic solvents, such as ethers and aromatic hydrocarbon solvents, hexanesulfonyl fluoride can be well dissolved, just like fish get water, and blend with each other. However, in water, its solubility is limited, which is due to the difference between the polarity of the molecule and the polarity of the water molecule.
Its volatility cannot be ignored. Although it is not extremely volatile, some molecules will escape into the air in the exposed environment and when the temperature is slightly higher, and it needs to be properly stored to prevent loss and safety hazards. < Br >
Its smell is slightly special, although it is not pungent and intolerable, it is also one of its signs, which can be slightly identified by smell.
Such various physical properties are important factors in chemical experiments, industrial production and other fields, and are related to the process of reaction, the separation of products and many other aspects.
Is Hexanesulfonyl Fluoride Chemically Stable?
In the case of hexane sulfonyl fluoride, the stability of its chemical properties depends on many factors. This agent has the group of sulfonyl fluoride, and its activity is particularly considerable.
In an ordinary laboratory environment, if properly stored, in a low temperature and dry place, to avoid contact with active substances such as water and strong bases, its chemical stability can still be maintained. However, once in contact with water, it is prone to hydration reaction, hydrolysis of sulfonyl fluoride groups, resulting in molecular structure changes, and other products such as sulfonic acid are produced.
If it encounters a strong base, its reaction is also fast, and fluorine atoms may be replaced by hydroxyl groups and other groups, which greatly changes the chemical properties of the substance. Or in case of high temperature, the bond energy in the molecule is insufficient, and it is easy to cause reactions such as decomposition, which damages the integrity of its structure and makes it difficult to maintain its original chemical properties.
The stability of the chemical properties of hexanesulfonyl fluoride is not generalized. It depends on external environmental conditions. If it is properly preserved and disposed of, it can temporarily preserve its safety. If the conditions are violated, it is easy to change and will not regain its original properties.
What are the precautions for Hexanesulfonyl Fluoride in storage and transportation?
Hexanesulfonyl fluoride is active and dangerous. Many things must be paid attention to during storage and transportation.
When storing, choose the first environment. Be sure to keep it in a cool, dry and well-ventilated place, away from fire and heat sources. Because of its flammability, it is easy to cause combustion and explosion in case of open flames and hot topics, so the temperature control in the storage area is very important. It should be maintained within a specific safety range to prevent the temperature from being too high and causing it to be unstable.
Furthermore, the choice of storage container should not be ignored. Corrosion-resistant materials should be used. Due to the active chemical properties of hexanesulfonyl fluoride, ordinary materials may be corroded by it and cause leakage accidents. Containers should be tightly sealed to avoid excessive contact with air and prevent chemical reactions such as oxidation and deterioration.
During transportation, safety measures must be comprehensive. Transportation vehicles should be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. During driving, drivers should drive cautiously and avoid violent operations such as sudden braking and sharp turns to prevent container collision and damage. During transportation, they should also follow the specified route, away from densely populated areas and important facilities to reduce the harm in the event of an accident.
Extra care should be taken during loading and unloading. Operators should wear appropriate protective equipment, such as protective clothing, gloves and goggles, to prevent physical damage caused by contact with this object. Loading and unloading actions should be gentle to avoid damage to containers caused by brutal operation.
In addition, whether it is storage or transportation, it is necessary to strictly follow relevant regulations and standards, and make labels and records for traceability and management. In this way, it is necessary to ensure the safety of hexane sulfonyl fluoride during storage and transportation, avoid accidents, and protect the safety of people, objects and the environment.
What are the Preparation Methods of Hexanesulfonyl Fluoride
The common methods for preparing hexanesulfonyl fluoride are as follows.
First, hexanesulfonic acid is reacted with a fluorinating reagent. If hexanesulfonic acid and phosphorus pentafluoride ($PF_5 $) are co-placed in a suitable reaction vessel, temperature control and stirring. Phosphorus pentafluoride is a strong fluorinating agent, which can be substituted with the hydroxyl group in hexanesulfonic acid. The hydroxyl group leaves and the fluorine atom is connected to form hexanesulfonyl fluoride. This process needs to be carried out in a low temperature and dry environment to prevent the hydrolysis of phosphorus pentafluoride and side reactions.
Second, it is converted from hexanesulfonyl chloride Hexanesulfonyl chloride is first prepared by conventional methods, and then reacted with potassium fluoride ($KF $) in a suitable solvent, such as dimethyl sulfoxide (DMSO). In this reaction, the chloride ion is replaced by fluoride ions to form hexane sulfonyl fluoride. Pay attention to the choice of solvent. DMSO is often selected because of its good solubility to potassium fluoride and its ability to stabilize the reaction intermediate. However, the reaction should be heated moderately to speed up the reaction rate, and the reaction process should be monitored to avoid overreaction.
Third, react directly with hexane and sulfonyl fluoride reagents. If in the presence of a specific catalyst, react with hexane and sulfonyl fluoride reagents such as $SO_2F_2 $. The catalyst can reduce the activation energy of the reaction, promote the cracking of the carbon-hydrogen bond of hexane and combine with the sulfonyl fluoride group to form hexane sulfonyl fluoride. This method requires finding a catalyst with high efficiency and good selectivity to improve the yield and selectivity of the reaction, and optimize the reaction conditions, such as temperature and pressure, to ensure the smooth progress of the reaction.