3 Cyanobenzotrifluoride
Fluoride
3-Cyanobenzotrifluoride
Chemical Formula C8H4F3N
Molar Mass 171.12 g/mol
Appearance Colorless to light yellow liquid
Boiling Point 196 - 198 °C
Melting Point -27 °C
Density 1.28 g/cm³
Solubility In Water Insoluble
Flash Point 79 °C
Vapor Pressure Low
Refractive Index 1.467 - 1.471
FAQ

What are the main uses of 3-cyanotrifluorotoluene?

3-Hydroxytriethoxysilane has a wide range of uses. It is important in various fields of chemical industry.

In the field of material modification, this material can show great skills. It can be used as a coupling agent to enhance the bonding between inorganic and organic substances. For example, when preparing composite materials, adding an appropriate amount of 3-hydroxytriethoxysilane can make the inorganic filler and the organic matrix form a strong chemical bond. In this way, the mechanical properties of the composite material, such as strength and toughness, can be significantly improved. And in the coating system, it can also improve the adhesion between the coating and the substrate, so that the coating adheres more firmly to the surface of the object, enhancing its protective performance and prolonging the service life.

Furthermore, in the construction industry, 3-hydroxytriethoxysilane also has outstanding performance. It can be used as a concrete sealant and waterproof agent. Applied to the surface of concrete, it can penetrate into the interior, react with the chemical components in concrete, form a hydrophobic substance, and block the capillary pores. In this way, it can effectively block moisture intrusion, improve the waterproof performance of concrete, and resist problems such as freeze-thaw damage and steel corrosion caused by water erosion, thereby prolonging the durability of building structures.

In the field of electronics industry, this substance is also indispensable. Because of its unique chemical activity and film-forming properties, it can be used for the modification of semiconductor packaging materials. By introducing 3-hydroxytriethoxysilane, the heat resistance, moisture resistance and electrical insulation properties of packaging materials can be optimized, ensuring the stable operation of electronic components in complex environments, and improving the reliability and stability of electronic products.

In summary, 3-hydroxytriethoxysilane plays an important role in many industries such as materials, construction, and electronics due to its unique chemical properties, and plays a key role in promoting the development of various industries.

What are the physical properties of 3-cyanotrifluorotoluene?

The physical properties of 3-aminotriethoxysilane are quite impressive. This substance is mostly a colorless and transparent liquid at room temperature, with a clear appearance and no obvious impurities mixed in it.

Its boiling point is quite high, about 229 ° C. A higher boiling point indicates that it will change from liquid to gaseous at higher temperatures. This property allows it to maintain a relatively stable liquid state in many industrial processes involving high temperatures.

Furthermore, the melting point is extremely low, about -70 ° C. The low melting point means that the substance is also easier to maintain a liquid state in a low temperature environment, showing good low-temperature fluidity, and its operability and applicability are enhanced in cold regions or low-temperature operation scenarios.

The density of 3-aminotriethoxysilane is about 0.99g/cm ³, which is slightly lighter than that of water. This density characteristic affects the stratification, dispersion and other states of the substance in some reactions or mixed systems that require the participation of water or other substances of different densities, and can be utilized according to actual needs.

Its solubility is also one of the important physical properties. It can be partially dissolved in water and can undergo a certain degree of hydrolysis in water. At the same time, it exhibits good solubility to many organic solvents, such as ethanol and acetone. This solubility allows it to serve as a bridge between different phases in different types of chemical systems, playing a key role in the preparation of composites and other fields.

In addition, 3-aminotriethoxysilane has a weak special smell, but its smell is not pungent, but during use, it is still necessary to pay attention to ventilation to maintain the comfort and safety of the operating environment.

What are the chemical properties of 3-cyanotrifluorotoluene?

3-Hydroxytrimethoxybenzene is an organic compound. Its properties are as follows:
This substance has a phenolic hydroxyl group. Because the solitary pair electrons of the oxygen atom in the phenolic hydroxyl group form a conjugated system with the benzene ring, the electron cloud density of the benzene ring increases, so it exhibits active chemical properties. In the electrophilic substitution reaction, the hydroxyl group is an adjacent and para-site group, which can easily lead to the substitution reaction of the adjacent and para-site on the benzene ring. For example, when interacting with bromine water, tribromine substituents can be rapidly formed, and the phenolic hydroxyl group enhances the activity of the benzene ring, making it more susceptible to the electrophilic attack of bromine.
Furthermore, its methoxy group also affects the electron cloud The methoxy group is the donator group, which increases the electron cloud density of the benzene ring through the conjugation effect, and also promotes the reactivity of the benzene ring, but its donator capacity is slightly weaker than that of the hydroxyl group.
In terms of solubility, because it contains polar hydroxyl groups and methoxy groups, it has a certain solubility in some polar organic solvents such as ethanol and acetone, but due to the presence of benzene rings in the molecule, the solubility in water is poor.
In terms of stability, it is relatively stable under normal conditions, but in the case of strong oxidants, strong acids, strong bases, etc., chemical reactions will occur. In case of strong oxidants, phenolic hydroxyl groups are easily oxidized to form oxidation products such as quinones; in case of strong acids, methoxy groups may undergo reactions such as protonation; in case of strong bases, phenolic hydroxyl groups will react with bases to form phen
It is widely used in the field of organic synthesis and can be used as an intermediate for the synthesis of a variety of biologically active compounds. It is also used in medicinal chemistry, materials science, and other fields.

What is the production method of 3-cyanotrifluorotoluene?

The preparation method of 3-hydroxytriethylamine is quite complicated, and it needs to be carried out according to fine steps and techniques.

First of all, it is necessary to prepare suitable raw materials, such as ethanolamine and ethylene oxide. These two can be obtained in a suitable reaction environment. The reaction place should be a sealed container with temperature and pressure resistance, so that the reaction can be carried out smoothly.

Pour ethanolamine slowly into the reactor, and then add ethylene oxide in a precise ratio. The proportion is crucial to the purity and yield of the product. After mixing the two, the reaction temperature needs to be adjusted. If the temperature is too low, the reaction will be slow; if the temperature is too high, side reactions may occur. In general, the reaction temperature should be controlled between 40 and 60 degrees Celsius.

Under this temperature, stir the mixture to allow the reactants to fully contact and accelerate the reaction process. The rate of stirring is also particular. If it is too fast or causes local overheating, if it is too slow, the mixing will be uneven. Keep stirring until the reaction is completed.

After the reaction is completed, the resulting mixture contains, in addition to 3-hydroxytriethylamine, or unreacted raw materials and by-products. At this time, separation and purification are required. It can be initially separated by distillation according to the different boiling points of each component. The boiling point of 3-hydroxytriethylamine has its specific value, so that it can be distinguished from other substances.

After distillation, or remaining impurities, the method of extraction can be used again. Select a suitable extractant, extract 3-hydroxytriethylamine from the mixture, and then dry, filter and other processes to obtain pure 3-hydroxytriethylamine.

The whole process requires fine operation at every step, and there should be no slack in the raw materials, temperature, ratio, separation and other links to obtain high-quality products.

What are the precautions for the storage and transportation of 3-cyanotrifluorotoluene?

3-Hydroxytrimethoxysilane requires attention to many key matters during storage and transportation. It is flammable, and steam and air can form explosive mixtures, which can cause combustion and explosion in case of open flame and high heat. Therefore, the storage place must be kept away from fire and heat sources, and the storage temperature should not exceed 37 ° C. Keep the container sealed. It should be stored separately from oxidants, acids and alkalis, and mixed storage should not be avoided. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

When transporting, it is necessary to strictly follow the relevant regulations on the transportation of dangerous goods. The transportation vehicle should be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. It is advisable to transport in the morning and evening in summer to prevent sunlight exposure. During transportation, ensure that the container does not leak, collapse, fall or damage. The trough (tank) car used during transportation should have a grounding chain, and holes can be baffled in the trough to reduce shock and generate static electricity. It is strictly forbidden to mix and transport with oxidants, acids, alkalis, edible chemicals, etc. During transportation, it should be protected from exposure to the sun, rain, and high temperature. During stopovers, it should be kept away from fire, heat sources, and high temperature areas. The exhaust pipe of the vehicle shipping this item must be equipped with a fire retardant device, and it is forbidden to use machinery and tools that are prone to spark loading and unloading. When transporting by road, it should be driven according to the prescribed route, and do not stop in residential areas and densely populated areas. It is forbidden to slip during railway transportation. It must be treated with caution and operated in accordance with regulations to ensure the safety of storage