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What are the main uses of 1-Fluoro-4- (4- (2- (4-Ethylcyclohexyl) Ethyl) Cyclohexyl) Benzene?
1-Fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene, which is the name of an organic compound. Its main use is more common in the field of materials science, especially in the field of liquid crystal materials.
Guanfu liquid crystal materials are a class of substances with both liquid fluidity and crystal optical anisotropy in a specific temperature range. The application of 1-fluoro-4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene in liquid crystal materials is of great significance. The
cap imparts specific physical and chemical properties to liquid crystal materials due to its unique molecular structure. The cyclohexyl and benzene ring structures contained in the molecule can enhance the rigidity and stability of the molecule, so that the liquid crystal material can maintain an orderly arrangement within a certain temperature range, thereby ensuring the stable operation of liquid crystal display devices.
Furthermore, the introduction of fluorine atoms in the molecule can adjust the polarity and interaction force of the molecule, and optimize the phase transition temperature and optical properties of liquid crystal materials. This helps to expand the operating temperature range of liquid crystal materials, improve the display contrast and response speed, and thus play a key role in display technologies such as liquid crystal displays (LCDs).
LCDs are now widely used in various electronic devices, such as TVs, computer displays, mobile phone screens, etc. 1-fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene, as an important part of liquid crystal materials, has a great impact on promoting the development of display technology and improving display quality.
What are the physical properties of 1-Fluoro-4- (4- (2- (4-Ethylcyclohexyl) Ethyl) Cyclohexyl) Benzene
1-Fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene, the physical properties of this substance, let me explain in detail.
Its appearance is often colorless and transparent to light yellow liquid. Looking at it, it is clear and translucent, just like a clear spring, without the slightest disturbance of impurities, and can refract a delicate luster under light.
Melting point is a key physical quantity for measuring the transformation of the physical state of a substance. The melting point of this compound is quite low, between -30 ° C and -20 ° C. Just like winter ice, under a little warmth, it quietly turns into a liquid state, which shows its low melting point.
In terms of boiling point, it is about 320 ° C to 340 ° C. To make this substance boil, a higher temperature is required to make it change from liquid to gaseous state, just like boiling water to the boiling point to see its rolling boiling scene.
In terms of density, it is about 0.95 - 0.98 g/cm ³. This value means that the mass of this substance per cubic centimeter is about this range. Compared with water, the density is slightly lower, just like a liquid lighter than water, floating on water.
In terms of solubility, in organic solvents, such as toluene and dichloromethane, their solubility is very good, and they can be fused with each other, just like water and milk, and it is difficult to distinguish each other. However, in water, its solubility is extremely poor, and the two are like distinct rivers, and it is difficult to mix into one.
The refractive index is about 1.49-1.51. When light passes through this substance, its refraction degree is about in this range, just like light passing through a prism, which occurs wonderful refraction, presenting a unique optical phenomenon.
These physical properties are of great significance in many fields, laying a solid foundation for related research and applications.
Is 1-Fluoro-4- (4- (2- (4-Ethylcyclohexyl) Ethyl) Cyclohexyl) Benzene Chemically Stable?
1-Fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene, the stability of this physical property is related to many things. Looking at the structure of its molecule, the benzene ring is connected to the cyclohexyl group, the fluorine atom is attached to the benzene ring, and the side chain contains ethyl and other groups.
In terms of autochemistry, the benzene ring has a certain stability, and the π-electron conjugation system enables it to withstand certain chemical reactions. Cyclohexyl is also a relatively stable structure, and the chair conformation is common and the energy is low. However, the introduction of fluorine atoms, due to its high electronegativity, will affect the electron cloud distribution of the molecule. It can change the density of electron clouds in the ortho and para-position of the benzene ring, and may have different activities during electrophilic substitution reactions.
Due to thermal stability, if this molecule does not have a special weak bond, it should be able to withstand a certain temperature without decomposition under normal conditions. However, in case of strong heat or specific reaction conditions, the benzene ring or side chain may also break the bond and rearrange.
Due to chemical activity, the alkyl group of the side chain can participate in free radical reactions, such as oxidation. And the carbon-fluorine bond in the molecule is relatively firm, and specific conditions and reagents are required to break it. Overall, under common mild conditions, 1-fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene may have certain stability; however, in extreme chemical environments, such as strong acids, strong bases, high temperature strong oxidants, etc., its structure may be difficult to maintain stability, and corresponding chemical transformations occur.
What is the production process of 1-Fluoro-4- (4- (2- (4-Ethylcyclohexyl) Ethyl) Cyclohexyl) Benzene?
The preparation process of 1-fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene needs to be studied in detail. The preparation of this compound is often carried out by organic synthesis.
Initially, suitable starting materials, such as cyclohexane and benzene compounds with specific substituents, are selected. To obtain the 4-ethylcyclohexyl moiety, or the cyclohexane can be used as the group first, by halogenation reaction, the halogen atom is introduced, and then through the alkylation step, the ethyl group is introduced to obtain the 4-ethylcyclohexane derivative. In this process, the control of reaction conditions is crucial, and the choice of temperature, solvent, and catalyst all affect the yield and purity of the product.
As for the introduction of 2- (4-ethylcyclohexyl) ethyl fragments, or the obtained 4-ethylcyclohexane derivatives and halogenated ethyl-containing reagents, nucleophilic substitution reactions can be carried out under basic conditions, followed by this long chain.
To connect the long chain cyclohexyl structure with the fluorobenzene ring, the coupling reaction can be achieved. If a palladium-catalyzed coupling reaction is used, the benzene ring containing halogen atoms (such as fluorohalobenzene) and the cyclohexyl derivative containing specific functional groups are coupled in the presence of suitable ligands, bases and solvents, and the final target product is 1-fluoro-4- (4- (2- (4-ethylcyclohexyl) ethyl) cyclohexyl) benzene.
After each step of the reaction, purification techniques, such as column chromatography, recrystallization, etc. are required to remove impurities and improve purity, so as to obtain high-purity products, which are suitable for subsequent use. Throughout the preparation process, it is necessary to abide by chemical operation specifications to ensure safety and promote the smooth reaction.
What is the price range of 1-Fluoro-4- (4- (2- (4-Ethylcyclohexyl) Ethyl) Cyclohexyl) Benzene in the market?
In today's world, it is not easy to know the price range of 1 - Fluoro - 4 - (4 - (4 - Ethylcyclohexyl) Ethyl) Cyclohexyl) Benzene in the market. The price of this compound often changes due to multiple reasons.
First, the price of raw materials has a great impact. If the various raw materials required for its preparation are widely sourced and the price is stable, the price of this compound may be stable. On the contrary, if raw materials are scarce and difficult to find, the price will be expensive.
Second, the method of preparation is also important. The efficient method can reduce the cost, and the price is low; the cumbersome and complicated method consumes manpower and material resources, and the price is also high.
Third, the trend of supply and demand determines the price. If there are many seekers in the market, but there are few suppliers, the price will rise; if the supply exceeds the demand, the price will drop.
Fourth, the difference in quality also has a price difference. Those with high purity are expensive; those with many impurities, the price is low.
Although it is difficult to determine its price range, looking at the past market, such fine chemicals may be expensive due to complex preparation and special raw materials. However, the market conditions are ever-changing, or fluctuating, and it is difficult to accurately determine. And different sellers and different batches have different prices. Therefore, if you want to know the exact price, you must consult the supplier in detail to get a more accurate number.