2 Bromo 6 Fluorobenzotrifluoride
Fluoride
2-Bromo-6-fluorobenzotrifluoride
Chemical Formula C7H3BrF4
Molar Mass 257.00 g/mol
Appearance Liquid (usually)
Boiling Point Around 185 - 187 °C
Density Data may vary, but around 1.7 - 1.8 g/cm³
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in common organic solvents like dichloromethane, toluene
Vapor Pressure Low vapor pressure at room temperature
FAQ

What are the main uses of 2-Bromo-6-fluorobenzotrifluoride?

2-Bromo-6-fluorotrifluorotoluene, an important compound in the field of organic synthesis, has a wide range of uses, mainly used in the preparation of medicines, pesticides and functional materials.

In the field of medicine, it is often used as a key intermediate to synthesize drug molecules with specific biological activities. Due to its unique chemical structure, it can endow drugs with good lipid solubility and metabolic stability, and improve drug efficacy and bioavailability. For example, in the development of some anti-cancer drugs, 2-bromo-6-fluorotrifluorotoluene is reacted in a series to construct a molecular skeleton containing specific pharmacoactive groups. After modification and optimization, drugs with high selective inhibitory effect on cancer cells can be obtained.

In the field of pesticides, it is an important raw material for the synthesis of new pesticides. With its structural characteristics, synthetic pesticides often have the advantages of high efficiency, low toxicity and environmental friendliness. It can be used to prepare pesticides, fungicides, etc., and play a control role by interfering with the physiological processes of pests or pathogens. For example, some fluorinated pesticides synthesized have a unique mechanism of action on the nervous system of pests, can effectively kill a variety of pests, and have low toxicity to non-target organisms, which is in line with the development direction of modern pesticides.

In terms of functional materials, 2-bromo-6-fluorotrifluorotoluene can participate in the synthesis of high-performance polymer materials. The introduction of fluorine atoms and other functional groups can improve the thermal stability, chemical stability and electrical properties of materials. It is often used in the preparation of liquid crystal materials, optical materials, etc. For example, in liquid crystal materials, its structure helps to adjust the arrangement of liquid crystal molecules and phase transition temperature, improve display performance, and is widely used in liquid crystal display manufacturing.

In summary, the unique structure and chemical properties of 2-bromo-6-fluorotoluene play a key role in the fields of medicine, pesticides and functional materials, and are of great significance to promote the development of related industries.

What are the physical properties of 2-Bromo-6-fluorobenzotrifluoride?

2-Bromo-6-fluorotrifluorotoluene is one of the organic compounds. Its physical properties are unique and have attracted much attention in the chemical industry.

This compound is mostly in a liquid state at room temperature. Looking at its color, it is usually colorless to light yellow, and has a certain volatility. Smell, or have a special odor, but the description of its gas taste varies depending on individual olfactory differences.

Its boiling point is also one of the important physical properties. It has been experimentally determined that the boiling point is in a specific temperature range, which plays a significant role in the separation and purification process. The value of the boiling point provides key parameters for chemical operations and is related to the setting of conditions for distillation and other processes.

Melting point also cannot be ignored. Knowing the melting point can help to understand the physical state transition of the compound in a low temperature environment. At a specific melting point temperature, the compound will change from solid to liquid state, which is of great significance for the definition of its storage and transportation conditions.

The density of 2-bromo-6-fluorotrifluorotoluene is also its inherent physical properties. The determination of density provides accurate data support for the substance in solution preparation, mixing and other operations. According to its density, it can be reasonably planned to mix with other substances to ensure the smooth progress of the reaction or production process.

In terms of solubility, 2-bromo-6-fluorotrifluorotoluene exhibits a certain solubility in organic solvents. In common organic solvents, such as ethanol, ether, etc., it can be dissolved to form a uniform solution. This solubility property provides a basis for the selection of reaction media in organic synthesis reactions. Suitable solvents can promote the reaction, improve the reaction efficiency and product purity.

In summary, the physical properties of 2-bromo-6-fluorotrifluorotoluene, such as state, color, volatility, boiling point, melting point, density and solubility, play a pivotal role in its application in chemical production and organic synthesis. Chemical practitioners need to know its physical properties in detail before they can properly use this compound to achieve the desired production and research goals.

Is 2-Bromo-6-fluorobenzotrifluoride chemically stable?

2-Bromo-6-fluorotrifluorotoluene, this is an organic compound. The stability of its chemical properties needs to be discussed from a variety of factors.

First look at its chemical bonds. Carbon-bromine bond, bromine atoms have high electronegativity, causing carbon-bromine bond polarity is significant, this bond is relatively active, prone to attack by nucleophiles, causing bromine atoms to be replaced. From the perspective of carbon-bromine bonds, its stability is poor.

Look at the carbon-fluorine bond again. The fluorine atom is extremely electronegative, the carbon-fluorine bond energy is quite high, and the formed bond is extremely stable. The presence of multiple carbon-fluorine bonds in the molecule enhances the overall stability of the molecule to a certain extent.

In addition, the presence of trifluoromethyl (-CF
) also has an effect. Trifluoromethyl has strong electron absorption, which can reduce the electron cloud density of the benzene ring, reduce the electrophilic substitution reactivity of the benzene ring, and in some cases, improve the molecular stability.

However, under certain conditions, in case of strong nucleophilic reagents, high temperatures, strong acid bases, etc., 2-bromo-6-fluorotrifluorotoluene may react. If the carbon-bromo bond is broken under suitable conditions for nucleophilic reagents and reactions, the bromine atom is replaced by a nucleophilic group.

In summary, the stability of 2-bromo-6-fluorotrifluorotoluene is not absolute. It can still maintain a certain stability in room temperature, room pressure and no special reagent environment; but under specific chemical reaction conditions, due to the active chemical bonds contained, the corresponding transformation may occur.

What is the preparation method of 2-Bromo-6-fluorobenzotrifluoride?

The method of preparing 2-bromo-6-fluorotrifluorotoluene often follows the following methods.

First, 2-fluoro-6-methylaniline is used as the starting material. It is first reacted with sodium nitrite and hydrobromic acid for diazotization. In a low temperature environment, sodium nitrite interacts with hydrobromic acid to form a diazonium salt. This diazonium salt is active, and then through the Sandmeyer reaction, with cuprous bromide as the catalyst, the diazonium group is replaced by a bromine atom to obtain 2-bromo-6-fluorotoluene. Subsequently, the side chain methyl of 2-bromo-6-fluorotoluene is halogenated with phosphorus trichloride, phosphorus pentachloride and other chlorinated reagents to generate 2-bromo-6-fluorobenzyl halide. Finally, the benzyl halide is converted into trifluoromethyl by haloform reaction or with anhydrous hydrogen fluoride, high-valent metal fluoride, etc., thereby obtaining 2-bromo-6-fluorotrifluorotoluene.

Second, 2-bromo-6-fluorobenzoic acid is used as the starting material. First, it interacts with a halogenating agent, such as thionyl chloride, to convert the carboxyl group into an acyl chloride, to obtain 2-bromo-6-fluorobenzoyl chloride. Then, through Rosenmund reduction, using palladium-barium sulfate as a catalyst, the acyl chloride is reduced to an aldehyde group to obtain 2-bromo-6-fluorobenzaldehyde. Then, using utropine and other reagents to react with 2-bromo-6-fluorobenzaldehyde, through a series of reactions, the aldehyde group is converted into trifluoromethyl, and then 2-bromo-6-fluorobenzene is obtained.

Third, use 2-bromo-6-fluorobrobenzyl as raw material. In an appropriate solvent, in the presence of a phase transfer catalyst, react with anhydrous hydrogen fluoride or metal fluoride (such as potassium fluoride, etc.), so that the benzyl bromide atom is gradually replaced by the fluorine atom to form 2-bromo-6-fluorobenzyl fluoride. Further fluorination converts the benzyl fluoride into trifluoromethyl, achieving the preparation of 2-bromo-6-fluorotrifluorotoluene. These methods have their own advantages and disadvantages. In actual preparation, it is necessary to comprehensively choose according to factors such as raw material availability, cost, and difficulty of reaction conditions.

What 2-Bromo-6-fluorobenzotrifluoride need to pay attention to when storing and transporting

2-Bromo-6-fluorotrifluorotoluene is also an organic compound. When storing and transporting it, many matters need to be paid attention to.

First words storage. This substance should be stored in a cool and ventilated warehouse. Because of the cool and ventilated place, it can reduce the risk of danger caused by excessive temperature or lack of air circulation. The temperature of the warehouse should not be too high to prevent its volatilization from intensifying or chemical reactions caused by temperature. And it needs to be kept away from fire and heat sources, both of which can cause it to catch fire or even explode, which is a major safety issue.

Furthermore, it should be stored separately from oxidants and edible chemicals, and should not be mixed. Dangerous due to strong oxidizing properties of oxidizing agents or violent chemical reactions with 2-bromo-6-fluorotrifluorotoluene. Edible chemicals are mixed with it. If they are accidentally leaked, they may cause pollution and endanger human health.

Storage containers should also be paid attention to. Appropriate materials should be selected to ensure that they do not react with 2-bromo-6-fluorotrifluorotoluene and have good sealing to prevent leakage. Periodically check storage equipment and containers for signs of damage or leakage. If so, they need to be dealt with in time.

As for transportation, make sure that the packaging is complete before transportation. If the package is damaged, the material is easy to leak during transportation, which is not only wasted, but also likely to pollute the environment and endanger the safety of others. During transportation, ensure that the container does not leak, collapse, fall or damage.

There are also requirements for transportation tools. The vehicles used should be equipped with the corresponding variety and quantity of fire-fighting equipment and leakage emergency treatment equipment. If there is a fire or leakage during transportation, it can be dealt with in time. And when transporting, follow the specified route and do not stop in densely populated areas and residential areas. In this way, it can avoid causing harm to many people due to accidents. In short, the storage and transportation of 2-bromo-6-fluorotrifluorotoluene must be treated with caution to ensure safety.