What are the main uses of Boron Trifluoride Etherate?
The boron trifluoride ether complex is also a chemical compound. It is mainly used in a wide variety of fields, especially in the field of synthesis.
First, the catalytic effect of Lewis acid is the force. In general, there are anti-reactions, such as Friedel-Crafts anti-reactions, which can promote the generation of aromatic compounds or acylates. In this reaction, the boron trifluoride ether complex can make the anti-reaction to form positive carbon molecules, accelerate the reaction rate, and make the original reaction of the reaction to generate, so as to build carbon-carbon molecules, and synthesize polyaryl ketones and other compounds, which are indispensable for the synthesis and fragrance synthesis.
Second, it is also important in polymerization and anti-reaction. It can catalyze the polymerization of certain oxides to form polyether polymers. It can effectively lead to the cracking of oxides, so that they can be joined in sequence to form polymers. The obtained polyether materials are widely used in materials, adhesives, etc., and can increase the properties of materials such as adhesion and adhesion.
Third, in the synthesis of boron compounds, boron trifluoride etherings are commonly used. It can be used to form boron compounds with specific properties. This compound is often used in the synthesis of boron molecules. Due to the characteristics of boron atoms, new reactive sites can be introduced to expand the synthesis path.
In addition, the catalytic performance of boron trifluoride ether compounds plays an important role in all fields of synthesis, promoting the development of transformation and assisting the development of multiphase.
What are the precautions for storing Boron Trifluoride Etherate?
Boron trifluoride ether complex (Boron + Trifluoride + Etherate) is a commonly used chemical reagent. When storing, many matters need to be paid attention to.
First, pay attention to the temperature and humidity of storage. This compound should be stored in a cool and dry place. Due to high humidity, it is easy to cause hydrolysis. If the temperature is too high, it may cause reactions such as decomposition, which will damage its quality. As "Tiangong Kaiwu" said, "If you get dry and wet phases, things will last forever." This compound also needs a suitable wet and dry environment to be properly stored.
Second, you must pay attention to its isolation from other substances. Boron trifluoride ether complex has certain chemical activity and should avoid coexistence with strong oxidants, strong bases and other substances. As mentioned in "Tiangong Kaiwu", different substances should be placed reasonably to prevent interaction, and this compound should also be placed separately from substances with high reactivity to prevent unexpected chemical reactions.
Third, the choice of storage containers is also crucial. Corrosion-resistant containers, such as glass or specific plastic containers, should be used. Because boron trifluoride ether compounds may have corrosive effects on some metals and other materials, choosing the right container can ensure its storage safety. Just like the emphasis on the choice of appliances in "Tiangong Kaiwu", suitable containers are the key to storage.
Fourth, there should be good ventilation in the storage place. Because it may evaporate harmful gases, good ventilation can disperse harmful gases in time and ensure the safety of the storage environment, just as the emphasis on workshop ventilation in "Tiangong Kaiwu", which is a necessary measure to ensure the safety of personnel and materials.
In short, the storage of boron trifluoride ether compounds, temperature, humidity, material isolation, container selection and ventilation should not be ignored, so as to ensure its storage safety and quality.
What are the physical and chemical properties of Boron Trifluoride Etherate
Boron trifluoride ether compounds have unique properties and are widely used, and they have many functions in various chemical processes. Their properties are peaceful, and when exposed to water or moisture, they will undergo drastic changes. They will react rapidly with hydration, release a lot of heat, and release corrosive hydrofluoric acid.
Its shape is usually a colorless to yellowish transparent liquid, and the gas is pungent and special. The boiling is quite low, about 126 degrees Celsius, and it is volatile under normal conditions. This compound can be miscible with many kinds of organic solvents, such as ethers and hydrocarbons, but it is incompatible with water, and will react violently when exposed to water.
It has strong Lewis acidity and can bond with electron-rich molecules or ions. It is often used as a high-efficiency catalyst in catalytic reactions, which can promote esterification, alkylation, polymerization and other reactions.
When stored and used, it is necessary to beware of water and moisture. It should be placed in a cool, dry, ventilated place, and away from fire and heat sources. Due to its decay and toxicity, operators must strictly follow regulations and prepare protective equipment to prevent damage to themselves and the environment. In this way, they can make good use of this material and avoid its harm and cause its work.
What are the safety risks of Boron Trifluoride Etherate during use?
The boron trifluoride ether compound is also a chemical compound. It is as safe as a powder and must not be ignored.
First, this substance has the property of decay. If it is exposed to the skin, it will cause burning trouble. If the skin is damaged, it should be washed with a lot of water at high speed, and it should not be treated with a little delay. If it enters the eyes, it will cause even more damage to the eyes, so the operation of the eyes, the use of the eyes, is indispensable.
Second, its steaming is irritating. For dense use, the steaming is diffuse, and it is inhaled into the respiratory tract. Therefore, the operation of the skin must be good, and it is best to pass it in the middle. If you inhale it carelessly, you can go to a fresh place in the air as soon as possible. If the disease is not good, you can treat it urgently.
Third, this object will react violently when it encounters water. When it encounters water, it may cause damage to it, and put a large amount of water. Therefore, if it is not stored, it must be avoided by water and moisture, and placed in a dry place.
Fourth, boron trifluoride ether compounds are flammable. Near the source of fire and high temperature, it is afraid of ignition. Store and use the source of fire, the source of fire, and the equipment of fire, so that it is not close to the fire.
In addition, the use of boron trifluoride ether complex is safe, and it is safe to operate.
What is the preparation method of Boron Trifluoride Etherate?
In the case of boron trifluoride ether complexes, there is a method for reducing the pressure. The method is as follows:
First of all, the anti-drying utensils are used, and the water is used to reduce the pressure. Boron anhydride stone and sulfuric acid are co-placed in the reaction kettle. In the case of boron anhydride, the property can be reduced in case of acid. The stone contains fluorine, and the action of sulfuric acid can produce fluoridation. In the opposite way, it is necessary to control the temperature in an appropriate environment. Sulfuric acid has water-based water, and fluorine in the promoting stone escapes with fluoride, and boron anhydride intersects.
Fluorination generates water, and the water is filled with ether. In the case of ether, it is commonly used to dissolve, and its properties are peaceful. When boron fluoride ethyl ether meets, the two dissolve and combine, and then form a boron trifluoride ether complex. This combination should be added to the mixture, and it should not be mixed, so that the two are miscible and complete, and the reaction is promoted.
Reverse the mixture, the resulting mixture, or the method of steaming, in addition. Because of the boiling of boron trifluoride ether complex, this step can be used to obtain boron trifluoride ether complex. It is in the field of chemical synthesis, and the use is low. Therefore, the method of high-quality needs to be refined and high-quality in order to obtain good products.