Chemical Formula | C20H28F2O2 |
Appearance | Typically a liquid |
Boiling Point | Approximate value based on similar compounds, around 350 - 400°C (est.) |
Melting Point | Data may vary, likely in a range suitable for liquid - crystal applications, e.g., - 20 - 20°C (est.) |
Density | Approx. 1.0 - 1.1 g/cm³ (est.) |
Solubility | Soluble in some organic solvents like toluene, dichloromethane |
Refractive Index | Estimated value around 1.5 - 1.6 (est.) for liquid - crystal phases |
Polarity | Relatively low polarity due to fluorine and alkyl - cycloalkyl groups |
Vapor Pressure | Low vapor pressure, as it is often used in liquid - crystal applications |
Chemical Formula | C21H28F2O2 |
Molecular Weight | 352.44 |
Appearance | Typically a liquid (but may vary based on purity and conditions) |
Boiling Point | Estimated to be in a certain range depending on purity and pressure, likely high due to its molecular structure |
Melting Point | Unknown specific value without experimental data, but related compounds may give an indication |
Density | Unknown exact value, but likely to have a density characteristic of organic fluorinated benzene derivatives |
Solubility In Organic Solvents | Expected to be soluble in common organic solvents like toluene, dichloromethane etc. due to its non - polar nature |
Vapor Pressure | Low vapor pressure due to its relatively large molecular size and intermolecular forces |
Flash Point | Unknown, but may be flammable as it is an organic compound |
Refractive Index | Value would depend on the purity and measurement conditions, but characteristic for this type of compound |
Chemical Formula | C21H28F2O2 |
Molar Mass | 352.44 g/mol |
Appearance | Typically a colorless liquid (assumed based on similar compounds) |
Boiling Point | Estimated to be in a certain range depending on purity and pressure conditions (no exact data provided, but similar aromatic ethers boil around 200 - 300 °C) |
Melting Point | No specific value given, but related cyclohexyl - containing aromatic compounds may have melting points in the range of - 20 to 50 °C |
Density | No experimental value, but likely around 1.0 - 1.2 g/cm³ based on related fluorinated aromatic ethers |
Solubility In Water | Low solubility in water, likely less than 0.1 g/L due to its non - polar nature |
Solubility In Organic Solvents | Soluble in common organic solvents like toluene, dichloromethane, etc. (based on similar structures) |
Flash Point | No experimental data, but may be in the range of 80 - 120 °C for similar organic compounds |
Vapor Pressure | Low vapor pressure at room temperature, estimated to be in the range of 0.01 - 0.1 mmHg (approximate based on similar substances) |
What is the main use of 1-ethoxy-4- ((4-ethylcyclohexyl) methoxy) -2,3-difluorobenzene?
1 - ethoxy - 4 - ((4 - ethylcyclohexyl) methoxy) -2,3 - difluorobenzene is an organic compound, which has a wide range of uses, especially in the field of liquid crystal materials.
Viewer liquid crystal materials are key elements of display technology and are widely used in many display devices, such as liquid crystal displays (LCDs). This compound can significantly improve the physical properties of the liquid crystal phase in liquid crystal materials, such as the temperature range, fluidity and optical anisotropy of the liquid crystal state.
The temperature range is first mentioned. The addition of this compound to the liquid crystal system can broaden the temperature range for the stable existence of the liquid crystal state. In this way, the liquid crystal display can operate stably under different ambient temperatures, and the image display is more reliable. Because the temperature affects the arrangement and movement of liquid crystal molecules, the appropriate temperature range ensures that the liquid crystal molecules are arranged in an orderly manner to achieve light modulation and achieve a good display effect.
times and fluidity, which can optimize the fluidity of liquid crystal materials. Excellent fluidity, liquid crystal molecules respond more rapidly to external electric field changes, resulting in shorter response time of display pixels. When displaying dynamic images, pixels can quickly change the optical state, screen switching is smoother, smearing phenomenon is reduced, and image clarity and quality are significantly improved.
Furthermore, optical anisotropy can be adjusted to meet the needs of different display modes. Different display modes have different requirements for the optical properties of liquid crystal materials. Appropriate optical anisotropy allows key performance indicators such as contrast and viewing angle of liquid crystal displays to be optimized. For example, high contrast makes the bright parts of the picture brighter and the dark parts darker, presenting rich details; large viewing angles enable viewers to clearly view the display content from different angles, enhancing the viewing experience.
In addition, this compound may be used as an intermediate in the field of organic synthesis. With its unique molecular structure, it can participate in a variety of chemical reactions, introduce other functional groups or structural fragments through chemical modification, and synthesize more complex and functionally specific organic compounds, providing an important foundation for organic synthetic chemistry research and the development of new functional materials.
What are the physical properties of 1-ethoxy-4- ((4-ethylcyclohexyl) methoxy) -2,3-difluorobenzene
1 - ethoxy - 4 - ((4 - ethylcyclohexyl) methoxy) -2, 3 - difluorobenzene, this substance is an organic compound. Its physical properties are worth exploring.
Looking at its appearance, under normal temperature and pressure, or a colorless to light yellow transparent liquid, like a clear crisp, with a reserved luster, under light, a slightly bright color. Its density is relatively light compared to water, or slightly lighter. If it is co-placed with water, it will float on water, just like oil floats in water, and the boundaries are clear.
When it comes to boiling point, its boiling point may be in a specific temperature range due to intermolecular forces. The chemical bonds and structures in the molecule make it have a certain thermal stability, and it needs to reach the corresponding temperature to make it change from liquid to gaseous. However, the specific boiling point value still needs to be determined by precise experiments.
Melting point is also one of its important physical properties. When the temperature drops to a certain value, the substance may condense from liquid to solid. Its solid state or has a certain crystalline structure, and the crystal lattice is arranged in an orderly manner, just like a delicate chess game.
In terms of solubility, in view of its organic structure characteristics, it may have good solubility in organic solvents such as ethanol and ether, just like salt dissolves in water, which can be evenly dispersed. However, in water, due to its hydrophobicity and poor solubility, the two are difficult to blend, such as the Chu River and Han borders, which are distinct.
In addition, the volatility of this substance also needs to be considered. Under appropriate temperature and environment, its molecules or escape from the liquid surface and dissipate into the air. Its vapor pressure will also change with temperature changes. When the temperature increases, the vapor pressure increases, and the volatilization rate also accelerates.
The physical properties of this substance have a crucial impact on its application in the chemical industry, materials and other fields. Its unique physical properties may make it suitable for specific chemical reactions or become a key component in the preparation of special materials.
What are the chemical properties of 1-ethoxy-4- ((4-ethylcyclohexyl) methoxy) -2,3-difluorobenzene?
1-Ethoxy-4- ((4-ethylcyclohexyl) methoxy) -2,3-difluorobenzene, this is an organic compound. Looking at its structure, it is composed of benzene ring, ethoxy, (4-ethylcyclohexyl) methoxy and difluorine atoms.
In terms of physical properties, it is in a liquid state at room temperature and pressure, or due to moderate intermolecular forces. In terms of solubility, due to its hydrophobic alkyl and aryl moieties, it is insoluble in water, but soluble in common organic solvents, such as ethanol, ether, dichloromethane, etc. Due to the "similar miscibility" principle, the non-polar or weak polarity of the organic solvent is compatible with the non-polar part of the compound.
Regarding chemical properties, the presence of the benzene ring gives it aromaticity, and electrophilic substitution reactions can occur. For example, under the action of appropriate catalysts, it can react with halogenated hydrocarbons, acyl halides, etc., and introduce new substituents on the benzene ring. The oxygen atom in the ethoxy group and (4-ethylcyclohexyl) methoxy group has a certain solitary pair of electrons, which can participate in the reaction as an electron donor, or affect the reactivity and spatial configuration of the molecule. The existence of difluorine atoms, due to the strong electronegativity of fluorine atoms, reduces the electron cloud density of benzene ring, decreases the electrophilic substitution reactivity compared with benzene, and fluorine atoms can enhance the stability of the molecule. In addition, the alkyl part of the compound can undergo oxidation, substitution and other reactions, but the reaction conditions may be more severe.
What are the synthesis methods of 1-ethoxy-4- ((4-ethylcyclohexyl) methoxy) -2,3-difluorobenzene
To prepare 1 - ethoxy - 4 - ((4 - ethylcyclohexyl) methoxy) -2,3 - difluorobenzene, the following ancient method can be used.
First take the starting material of fluorobenzene, such as 2,3 - difluorobenzene, and want to etherify it. React with chloroethane with an appropriate base, such as potassium carbonate, in an organic solvent, such as N, N - dimethylformamide (DMF), and introduce an ethoxy group to obtain 1 - ethoxy - 2,3 - difluorobenzene. This reaction needs to be at a suitable temperature, such as 50 - 80 ° C, and stirred for a few times to make the reaction sufficient.
Then, 4-ethylcyclohexyl methanol is heated and dehydrated in a solvent such as toluene with p-toluenesulfonic acid as a catalyst to form the corresponding olefin. The olefin is then combined with 1-ethoxy-2,3-difluorobenzene under the initiation of peroxides such as benzoyl peroxide under light or heating conditions, such as 80-100 ° C, through radical addition reaction, the target product can be obtained 1-oxethy-4- (4-ethylcyclohexyl) methoxy) -2, 3-difluorobenzene.
Or to take a different approach, 4-ethylcyclohexyl methanol is reacted with p-toluenesulfonyl chloride to form p-toluenesulfonate. This ester reacts with 1-ethoxy-2,3-difluorobenzene in an anhydrous tetrahydrofuran solvent at a low temperature such as 0-5 ° C in the presence of a base such as sodium hydride, and then rises to room temperature to continue stirring to obtain the target product.
During the operation, attention should be paid to the precise control of the reaction conditions, such as temperature, time, material ratio, etc. After each step of the reaction, the product should be purified by conventional separation and purification methods, such as extraction, column chromatography, etc., to ensure the purity and yield of the product.
What is the price range of 1-ethoxy-4- ((4-ethylcyclohexyl) methoxy) -2,3-difluorobenzene in the market?
I haven't heard of 1 - ethoxy - 4 - ((4 - ethylcyclohexyl) methoxy) -2,3 - difluorobenzene at the market price. This is a relatively uncommon chemical, and its price often varies due to many factors.
First, purity is crucial. If the purity is very high, almost perfect, the price must be high; if the purity is slightly inferior, the price may be low. Second, the yield also has an impact. If the output is scarce and the supply exceeds the demand, the price will rise; if the output is abundant and the market supply is sufficient, the price may drop. Third, the difficulty of preparation also affects the price. If the preparation requires complicated processes and rare raw materials, the price must be high; if the preparation is relatively simple, the price may be close to the people.
Furthermore, the state of market supply and demand is also the key. If there is a large increase in demand from many industries and limited supply, the price will rise; if the demand is weak, the price may fall. And different regions, due to different transportation costs and market competition, the price is also different.
To know the exact price range, you can ask the chemical product trading platform, professional chemical suppliers, or discuss with industry insiders to get accurate prices.