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What are the main uses of 1-Ethenyl-3,5-Bis (Trifluoromethyl) Benzene?
1-Vinyl-3,5-bis (trifluoromethyl) benzene, this substance has a wide range of uses. In the field of materials science, it is often a monomer for the preparation of high-performance polymers. Because its molecules contain vinyl, they have high reactivity and can be added to polymerize to form fluoropolymers. Due to the characteristics of fluorine atoms, these polymers have excellent chemical stability, weather resistance and low surface energy. They can be used to make special coatings for building exterior walls, which can resist wind and rain erosion, ultraviolet radiation, and last for a long time. They are used to make self-cleaning materials. With low surface energy, stains are difficult to adhere and can be washed away with water.
In the field of organic synthesis, it is a key intermediate for the construction of complex organic molecules. Bis (trifluoromethyl) on its benzene ring imparts unique electronic effects and steric resistance, and can participate in a variety of organic reactions, such as nucleophilic substitution, electrophilic substitution, etc. Through these reactions, different functional groups can be introduced to synthesize complex organic compounds, which are widely used in pharmaceutical research and development. Studies have found that compounds containing such structures have unique biological activities for specific disease targets, or become new drug lead compounds.
In the field of electronics industry, due to good electrical properties and thermal stability, it can be used to manufacture electronic packaging materials, protect electronic components from external environmental influences, and ensure stable operation of electronic devices; it can also be used to manufacture liquid crystal materials, improve the response speed and contrast of liquid crystal displays, and bring a clearer and smoother visual experience to viewers.
What are the physical properties of 1-Ethenyl-3,5-Bis (Trifluoromethyl) Benzene?
1-Vinyl-3,5-bis (trifluoromethyl) benzene, also an organic compound. Its physical properties are worth studying in detail.
Looking at its physical state, under room temperature and pressure, it is mostly liquid, oily in quality, flowing and smooth, like the water of a stream, smart and lively.
As for the color, it is usually clear and transparent, without noise, just like pure water, making people feel clear and pleasing to the eye.
Smell its smell, with a special aromatic smell, but this fragrance is not sweet than ordinary flowers, but a unique organic aroma. Although it is not rich and pungent, it can also be perceived by people and has a unique flavor.
When it comes to density, it is lighter than water. If it is placed in a container with water, it can be seen that it floats on the water surface, just like oil floats in water, and the boundaries are clear.
In terms of solubility, this substance is insoluble in water, and it is difficult to interact with water molecules due to its molecular structure. However, in organic solvents, such as common ethanol and ether, they can be well miscible, just like fish get water, and the two are mixed without distinguishing each other.
Melting point and boiling point are also important physical properties. The melting point is low, and it is not solid at room temperature. The boiling point varies according to specific conditions, but it is roughly within a certain temperature range. When heated to a specific temperature, it converts from liquid to gaseous state, like the rising of clouds and mists, which changes wonderfully.
The physical properties of 1-vinyl-3,5-bis (trifluoromethyl) benzene each have their own unique characteristics. In the field of organic chemistry, its research and understanding can help to understand the mysteries of organic compounds, and also provide important basis for related chemical production, scientific research and exploration.
Is 1-Ethenyl-3,5-Bis (Trifluoromethyl) Benzene Chemically Stable?
1-Vinyl-3,5-bis (trifluoromethyl) benzene is an organic compound. The stability of its chemical properties needs to be carefully examined by many factors.
Discussing the influence of structure on stability, the benzene ring has a conjugated large π bond, which gives it a certain stability. In this compound, the benzene ring is connected with vinyl and two trifluoromethyl groups. Vinyl is an unsaturated group with certain reactivity and can participate in reactions such as addition and polymerization, which may reduce the overall stability. In trifluoromethyl, the fluorine atom is extremely electronegative and has a strong electron-absorbing induction effect, which can reduce the electron cloud density of the benzene ring and make the benzene ring more stable. The coexistence of the two affects each other, making the stability of the compound in a complex equilibrium.
From the perspective of chemical environment, when encountering specific reagents, the stability is significantly affected. In case of electrophilic reagents, vinyl is prone to reaction check point. Due to the exposure of π electron cloud, electrophilic reagents are prone to attack and occur electrophilic addition reaction, resulting in structural changes of compounds and reduced stability. If there are strong oxidizing agents in the environment, vinyl double bonds are also easily oxidized and destroy the original structure. However, in the absence of such active reagents, and the temperature and pressure are suitable, this compound can remain relatively stable.
Solvents also play a role in its stability. In non-polar solvents, due to the principle of similar miscibility, the compound has good solubility, weak intermolecular interactions, and acceptable stability. However, in polar solvents, solvent molecules interact with compounds occasionally, such as forming hydrogen bonds or electrostatic interactions, or affecting the electron cloud distribution of compounds, altering stability.
In summary, the stability of 1-vinyl-3,5-bis (trifluoromethyl) benzene is non-absolute and varies under different conditions. There are no active reagents and it is relatively stable when it is suitable for the environment; under specific reaction conditions or reagents, its structure or change, and the stability decreases.
What is the production process of 1-Ethenyl-3,5-Bis (Trifluoromethyl) Benzene?
The preparation process of 1-vinyl-3,5-bis (trifluoromethyl) benzene is as follows:
The starting material is often selected as a suitable benzene-containing compound. This compound needs to reserve an activity check point at a specific position in the benzene ring that can introduce vinyl and trifluoromethyl.
For the introduction of trifluoromethyl, a nucleophilic substitution strategy can be used. Select a reagent with a suitable leaving group (such as a halogen atom) and react with the benzene-containing raw material in the presence of a suitable catalyst (such as some transition metal complexes) and a base. The base can assist in the activation of the reagent, enhance the nucleophilicity, and promote the smooth replacement of trifluoromethyl groups at specific positions on the benzene ring. The reaction requires precise control of temperature and reaction time. If the temperature is too high or the time is too long, excessive substitution or other side reactions may be initiated; if the temperature is too low or the time is too short, the reaction will be incomplete.
When introducing vinyl, classic methods such as Heck reaction can be used. Using vinyl containing vinyl halides or vinyl borate esters as vinyl sources, under the action of metal catalysts such as palladium, ligands and bases, it reacts with benzene ring compounds that have been introduced into trifluoromethyl groups. Ligands can adjust the activity and selectivity of metal catalysts, and bases are used to neutralize the acid generated by the reaction and promote the positive progress of the reaction. Similarly, it is crucial to control the reaction conditions, and the choice of solvents needs to be considered. Different solvents have a significant impact on the reaction
After the reaction is completed, the product is often mixed with impurities such as unreacted raw materials and by-products. It is necessary to separate different substances by means of column chromatography, using the difference of partition coefficients in the stationary and mobile phases; or by distillation, according to the different boiling points of each substance, to obtain high-purity 1-vinyl-3,5-bis (trifluoromethyl) benzene.
What is the price range of 1-Ethenyl-3,5-Bis (Trifluoromethyl) Benzene in the market?
1-Vinyl-3,5-bis (trifluoromethyl) benzene, the market price is difficult to determine. There are three reasons: First, this compound has different uses and its price varies. If it is used as a key intermediate in fine chemical synthesis, its purity requirements are strict and the preparation process is complicated, the price will be high; if it is a general chemical experimental study, the purity requirements are slightly lower, and the price will be slightly inferior. Second, market supply and demand determine its price. If there are many applicants, but there are few producers, the price will rise; if the supply exceeds the demand, the price will decline. Third, raw materials and preparation costs are also important reasons. The raw materials are scarce, or the preparation requires high-end equipment and complex processes, the cost is greatly increased, and the price is not cheap.
Looking at the past chemical market, such fluoroaromatic hydrocarbons are difficult to prepare due to the characteristics of fluorine elements, and the price is often high. For high-purity products used in high-end electronic materials and special pharmaceutical synthesis, the price per gram may reach hundreds or even thousands of yuan. For general chemical research, if the purity is slightly lower, the price per gram may be tens of yuan.
However, the chemical market changes, and the price moves with the market. To know the exact price range, when you consult chemical raw material suppliers, browse professional chemical product trading platforms, or check chemical market analysis reports, you can get a recent and accurate price.