2 3 5 6 Tetrafluorobenzyl Chloride
Fluorine Difluoride Fluorobenzene Fluorobenzyl Trifluorotoluene
2,3,5,6-TETRAFLUOROBENZYL CHLORIDE
Chemical Formula C7H3ClF4
Molecular Weight 212.545
Appearance Colorless to light yellow liquid
Boiling Point 194 - 196 °C
Melting Point N/A
Density 1.476 g/cm³
Flash Point 75 °C
Solubility Insoluble in water, soluble in organic solvents
Vapor Pressure Low
Odor Pungent
Chemical Formula C7H3ClF4
Appearance Colorless to light yellow liquid
Boiling Point 170 - 172°C
Melting Point N/A
Density 1.47 g/cm³
Solubility Insoluble in water, soluble in organic solvents
Flash Point 62°C
Vapor Pressure N/A
Stability Stable under normal conditions
Hazard Class Irritant
FAQ

What are the main uses of 2,3,5,6-tetrafluorobenzyl chloride?

The main use of carbon tetrachloride is to produce a good solution. It is used in the chemical industry and can be used for the extraction of various chemical compounds.

In addition, carbon tetrachloride was also commonly used in firearms in the past. Because it is non-flammable and has a high density in the air, it can be coated on the surface of the fuel, blocking the air, and reducing the effect of fire. However, this use has been limited due to its ozone-destroying effect.

In addition, in some specific chemical synthesis reactions, carbon tetrachloride is also used as a catalyst or antioxidant. For example, in the partial chemical reaction, it can be used as a source of chlorine to promote the reaction, so as to synthesize the required chlorine-containing compounds. Therefore, carbon tetrachloride has been used in many aspects such as chemical industry and combustion, but its use is increasing due to environmental factors.

What are the physical properties of 2,3,5,6-tetrafluorobenzyl chloride

Tetrafuranal is one of the most common compounds. Its physical properties are very specific.

Under normal conditions, tetrafuranal is mostly in the form of a liquid, which is clarified by the ground and has good fluidity. It can flow naturally like a liquid.

In terms of its taste, it has a special taste, so this taste is not pungent or fragrant. It has its own characteristics and can be used to taste.

Its boiling time has a specific value, and this boiling time determines the degree at which it is dissolved from the liquid. Add it to the boiling time, and it will change the biological phase. The melting temperature also has a certain degree of solubility. When the temperature of the environment drops below the melting temperature, it will solidify from the liquid, which is also one of the important physical properties.

In terms of solubility, tetrafuran formaldehyde can be partially soluble, such as ethanol, ether, etc. can be mixed with each other in a certain proportion, and it is uniform. However, for water, its solubility is limited, and it cannot be miscible with water in any ratio.

In addition, its density is also a certain value, depending on the density of water, whether it is large or small. This density characteristic also affects its composition in the mixing system. It plays an important role in multiplication and workmanship. This is the physical nature of tetrafuran formaldehyde.

Is the chemical property of 2,3,5,6-tetrafluorobenzyl chloride stable?

Carbon tetrachloride is an organic compound. Its properties are relatively stable.

The molecular structure of carbon tetrachloride is formed by a covalent bond between one carbon atom and four chlorine atoms. This covalent bond structure is strong, giving it a certain stability.

In terms of chemical properties, carbon tetrachloride is a colorless liquid at room temperature and pressure, with a moderate boiling point of about 76.8 ° C. Due to its weak molecular polarity, it is difficult to dissolve in water, but miscible with most organic solvents.

In chemical reactions, carbon tetrachloride has a certain degree of chemical inertness. Under normal conditions, it is not easy to react with common acids and bases. Due to the relatively high carbon-chlorine bond energy, it requires a large amount of energy to break it.

However, under certain conditions, carbon tetrachloride can also participate in the reaction. For example, at high temperatures or in the presence of catalysts, it can undergo substitution reactions.

In summary, the chemical properties of carbon tetrachloride are relatively stable, but not absolutely stable, and can exhibit chemical reactivity under specific conditions.

What is the preparation method of 2,3,5,6-tetrafluorobenzyl chloride

The method of tetrafuranal is as follows:

Take the two, three, five, and six phases of the material. According to the ancient method, it is necessary to first remove each material and place it in the vessel. Second, take the raw materials of the quantity and measure them with the precision. There should be no difference. Third, in the dense and dry kettle, control the heat and slowly add it. This is the case. Be careful to observe the melting of the things in the kettle. It is easy to make the things in the large fire, and the reaction of the small fire is sufficient.

When the things in the kettle are of a specific color and taste, this is a sign of completion. Fifth, the method of cooling the contents of the kettle is used to reduce the temperature, and the speed of reduction is also appropriate. The speed of reduction is not good for the crystals of the terrorist, and the energy consumption is not good.

Sixth, after the reduction is completed, the product obtained by the product is used to remove the product. The densification of the device is combined, and the thinning is removed, and the dense product is easy to remain on the device.

Seventh, the product obtained, and then the method of steaming is used to improve the product. For steaming, pay attention to collecting the product at a specific temperature, and this component is the essence of tetrafuran formaldehyde.

The whole process, the heart must be determined, each step has its own delicate, a little carelessness, the previous work, this is the tetrafuranal formaldehyde.

What are the precautions for storing and transporting 2,3,5,6-tetrafluorobenzyl chloride?

In the storage and transportation of two, three, five, six - tetrahydrofuran, when described in the classical Chinese style of "Tiangong Kaiwu", there are the following precautions.

tetrahydrofuran is an organic solvent with active properties. When storing, the first choice of environment. It needs to be placed in a cool and well ventilated place, away from fire and heat sources. Cover because of its flammability, in case of open flame, hot topic is very easy to burn and explode, so fire prevention is very important. The temperature of the warehouse should be controlled between -20 ° C and 30 ° C. If it is too high, it will easily increase its volatilization, increase the pressure, and increase the danger. If it is too low, it may affect its physical properties, and it may be inconvenient to use.

In addition, the storage place should be stored separately from oxidants, acids, and alkalis, and must not be mixed. This is because of its chemical properties. Tetrahydrofuran encounters with the above substances, or causes violent chemical reactions, causing accidents. And the storage container must be tightly sealed to prevent it from evaporating and escaping, which will damage its quality and pollute the environment and be harmful to people.

As for transportation, it should not be ignored. Transportation vehicles should be equipped with the corresponding variety and quantity of fire-fighting equipment and leakage emergency treatment equipment. During transportation, ensure that the container does not leak, collapse, fall or damage. When driving, avoid high temperature periods and densely populated places. When loading and unloading, operators must strictly abide by the operating procedures, load and unload lightly, and must not operate brutally, so as not to cause damage to the container and cause tetrahydrofuran leakage. If a leak occurs unfortunately, quickly evacuate the personnel from the leaked contaminated area to the safe area and isolate them, strictly restricting access. Emergency personnel must wear self-contained positive pressure breathing apparatus and anti-static work clothes to cut off the leakage source as much as possible. When a small amount of leakage occurs, it can be absorbed by sand, vermiculite, or other inert materials. When a large amount of leakage occurs, a dike or pit should be built for containment, covered with foam, to reduce steam hazards, and transferred to a tanker or dedicated collector with an explosion-proof pump for recycling or transportation to a waste treatment site for disposal.