4 Trans 4 Pentylcyclohexyl 1 Fluorobenzene
Fluorine Difluoride Fluorobenzene Fluorobenzyl Trifluorotoluene
4-(trans-4'-pentylcyclohexyl)-1-fluorobenzene
Chemical Formula C18H27F
Molecular Weight 262.405 g/mol
Appearance Typically a clear liquid
Boiling Point Around 340 - 345 °C
Melting Point Around 24 - 26 °C
Density Approx. 0.94 - 0.96 g/cm³
Refractive Index Typically around 1.49 - 1.51
Solubility Slightly soluble in water, soluble in organic solvents like toluene, chloroform
Vapor Pressure Low vapor pressure at room temperature
Flash Point Around 135 - 140 °C
Chemical Formula C18H27F
Molecular Weight 262.406 g/mol
Appearance Typically a liquid (dependent on temperature)
Boiling Point Approximately 350 - 370 °C (est.)
Melting Point Typically in the range of - 20 to 0 °C (est.)
Density Around 0.95 - 0.98 g/cm³ (est.)
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in common organic solvents like toluene, dichloromethane
Refractive Index Estimated around 1.50 - 1.52
Vapor Pressure Low vapor pressure at room temperature
Chemical Formula C18H27F
Molecular Weight 262.405 g/mol
Appearance Liquid (usually)
Boiling Point Approx. 325 - 330 °C
Melting Point Typically around -10 to 0 °C
Density Approx. 0.94 - 0.96 g/cm³
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in common organic solvents like toluene, chloroform
Refractive Index Typically around 1.49 - 1.51
Vapor Pressure Low at room temperature
FAQ

What are the main application fields of 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene?

4 - (trans - 4 '-pentylcyclohexyl) - 1 - fluorobenzene, its main application field, is related to liquid crystal materials. This compound is quite useful in the field of liquid crystal.

Liquid crystal materials, with their unique physical and chemical properties, are widely used in various scenarios of display technology. 4 - (trans - 4' -pentylcyclohexyl) - 1 - fluorobenzene plays an important role in this. It is one of the key components in the manufacturing process of liquid crystal displays. < Br >
Liquid crystal displays rely on the response of liquid crystal molecules to external electric and magnetic fields to regulate the propagation of light to achieve image display. The molecular structure of 4- (trans-4 '-pentylcyclohexyl) -1 -fluorobenzene imparts specific properties such as phase transition temperature range, dielectric anisotropy and optical anisotropy to liquid crystal materials.

This compound can optimize the properties of liquid crystal materials, such as improving the contrast and response speed of display, and maintaining the stability of the liquid crystal state over a wide temperature range. In this way, the image quality of the display can be improved, which can present clearer and sharper images, and the colors are more vivid and realistic. The improved response speed makes the display of dynamic pictures smoother and reduces the drawbacks such as smearing.

In addition, in some special optical devices, 4- (trans-4 '-pentyl cyclohexyl) -1-fluorobenzene may also be used because of its unique optical properties. However, its core application is still focused on the field of liquid crystal display technology, which is a key force in promoting the development and progress of this technology.

What are the physical properties of 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene?

4- (trans-4 '-pentyl cyclohexyl) -1 -fluorobenzene, is a member of organic compounds. It has specific physical properties, which are described in detail by you today.

First of all, the appearance of this substance is mostly colorless and transparent liquid at room temperature, just like clear water, pure and flawless. This appearance characteristic is crucial in many application scenarios. It is colorless and transparent. When used in optical materials and other fields, it will not cause color interference to light propagation and imaging, and can ensure excellent optical properties.

times and boiling point, about 280-290 ℃. The boiling point is quite high, indicating that its intermolecular force is strong. When used in a high-temperature environment, it is not easy to quickly gasify due to temperature increase. This property makes it stable in industrial applications of high-temperature processes, such as the processing of some materials that require high-temperature treatment, which can maintain a liquid state to participate in the reaction or play a role.

Besides, the melting point is roughly in the range of -10-0 ° C. The relatively low melting point means that it is easy to maintain a liquid state at room temperature or slightly higher than room temperature, and the fluidity is quite good. This is conducive to being used as a solvent or reactant in various chemical reactions, and can be easily mixed with other substances to accelerate the reaction process. Due to good fluidity, the probability of collision between molecules can be greatly increased, which promotes the reaction.

When it comes to solubility, 4- (trans-4 '-pentylcyclohexyl) -1 -fluorobenzene is soluble in common organic solvents, such as toluene, dichloromethane, etc. This solubility makes it widely used in the field of organic synthesis. It can be used as a reactant or reaction medium. With the help of the characteristics of organic solvents, the reaction rate and reaction path can be adjusted. In coatings, inks and other industries, it is also soluble in specific organic solvents, which is convenient for preparing a uniform solution, thereby achieving good coating and printing results.

In addition, its density is about 0.95 - 0.98 g/cm ³. The density is moderate, and when mixed with other substances, it can be separated or mixed according to the density difference. In some processes that require precise control of material proportions and delamination effects, this density property is of great significance and can help achieve precise process control.

The physical properties of this compound are interrelated, which together determine its application potential and value in many fields such as materials science and organic synthesis.

What is the chemical synthesis method of 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene?

The synthesis of 4- (trans-4 '-pentylcyclohexyl) -1 -fluorobenzene is an important topic in the field of organic synthesis. The synthesis method often follows the principles of organic chemistry and existing synthesis strategies.

One method can be obtained by coupling reaction between fluorinated benzene derivatives and specifically modified trans-4' -pentylcyclohexyl derivatives. Among them, the preparation of fluorobenzene derivatives requires careful selection of suitable starting materials and reaction conditions. If halogenated fluorobenzene is used as the starting material, a metal-catalyzed reaction, such as a palladium-catalyzed cross-coupling reaction, can be combined with an anti-4 '-pentylcyclohexyl reagent with an appropriate functional group.

When preparing trans-4' -pentylcyclohexyl derivatives, cyclohexanone is usually used as the starting material. First, cyclohexanone is pentylated, and an amyl group is introduced to obtain pentylcyclohexanone. Subsequently, the carbonyl group is converted into a hydroxyl group through a reduction reaction, and then trans-4 '-pentylcyclohexene derivatives are obtained by dehydration and stereochemical control steps. This derivative is further reacted, such as halogenation, to form a reagent that can be used in the coupling reaction.

In the coupling reaction stage, the choice of palladium catalyst and the optimization of reaction conditions are extremely critical. The choice of suitable bases, ligands and solvents has a great impact on the yield and selectivity of the reaction. Under the protection of inert gas, the reaction temperature and time are controlled, so that the fluorobenzene derivative and the trans-4 '-pentylcyclohexyl derivative can be coupled smoothly, resulting in the formation of the target product 4- (trans-4' -pentylcyclohexyl) -1 -fluorobenzene.

In addition, there are other synthetic pathways that can be explored, such as using different starting materials to gradually construct the structure of the target molecule through multi-step reactions. However, no matter what method, it is necessary to pay attention to the selectivity of the reaction, the yield, and the operability and economy of the reaction conditions in order to achieve the purpose of efficient synthesis.

What is the price range of 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene in the market?

4 - (trans - 4 '-pentylcyclohexyl) - 1 - fluorobenzene, that is, 4 - (trans - 4' -pentylcyclohexyl) - 1 - fluorobenzene, this product is in the market, and its price is difficult to determine. The price varies due to many reasons, such as the purity of quality, the amount of purchase, the supply and demand of the market, the origin of production and the timing of trade.

If the quality is pure and the purchase quantity is huge, the scale of production is large, the supply exceeds the demand, and the price is cheap; if the quality is impure and the purchase quantity is small, the production is not easy, the demand is too high, and the price is high. And different quotients, the price demanded is also different, stemming from their original level and profit expectations.

Looking at past market conditions, the price per gram of such fine chemicals may range from tens of gold to hundreds of gold. However, this is only a rough estimate. The actual price must be carefully examined by the current market conditions, and the industry, merchants, or platforms for exploring chemical transactions can obtain a more accurate price.

What are the manufacturers of 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene?

4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene, this substance is a key intermediate commonly used in liquid crystal materials. However, I have searched all over the classics, but I have not seen an exact record of its specific manufacturer. However, it is common sense to infer that where the production of liquid crystal materials is developed, there must be many manufacturers involved in the production of this substance.

Looking at this world, Japan in the East, Germany and the United States in the West are all countries in the production of liquid crystal materials. Many companies in Japan are skilled in chemicals and are often involved in the production of such fine chemicals. For example, Sumitomo Chemical, which is known for its diverse and excellent chemical products, may have the possibility of producing this substance. Germany has a deep chemical heritage, and BASF and other chemical giants have exquisite technology. They are also involved in the production of liquid crystal intermediates, 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene or among them. The chemical industry in the United States is booming, and companies such as Dow Chemical have both research and development and capacity, and may also be their producers.

As for China, the liquid crystal industry has flourished in recent years. In the Yangtze River Delta, the Pearl River Delta and Beijing-Tianjin-Hebei and other places, there are many liquid crystal material manufacturers. For example, in Jiangsu, Guangdong and other places, many chemical companies focus on the research and development and production of liquid crystal intermediates. Although it is not known which factory produces this specific substance, there are many capable and intentional producers in this industrial cluster.

In summary, although it is difficult to identify the exact manufacturer, the chemical companies in Japan, Germany, the United States and other countries, as well as the enterprises in the places where the liquid crystal industry is concentrated in China, are all manufacturers of 4- (trans-4 '-pentylcyclohexyl) -1-fluorobenzene.