Chemical Formula | C7H4BrF3 |
Molar Mass | 225.005 g/mol |
Appearance | Colorless to light yellow liquid |
Density | 1.63 g/cm³ |
Boiling Point | 187 - 188 °C |
Melting Point | −21 °C |
Flash Point | 70 °C |
Solubility In Water | Insoluble |
Vapor Pressure | 0.67 kPa (20 °C) |
Refractive Index | 1.482 - 1.484 |
Odor | Characteristic aromatic odor |
What are the main uses of 2-Bromobenzotrifluoride?
2-Bromotrifluorotoluene has a wide range of uses. In the field of medicine, it can be used as a key intermediate to help synthesize a variety of specific drugs. For example, in the development of specific anti-cancer drugs, 2-bromotrifluorotoluene can be converted into structural units with unique pharmacological activities through multiple steps of delicate chemical reactions, thus building a core framework for anti-cancer drugs and contributing to solving cancer problems.
In terms of pesticides, it is also an indispensable synthetic raw material. With its special chemical structure and clever synthesis path, it can be made into highly efficient and low-toxic pesticides, fungicides and other pesticide products. These pesticides can precisely act on pests or pathogens, protecting crops from harm while minimizing harm to the environment and human body, and strongly promoting sustainable agricultural development.
In the field of materials science, 2-bromotrifluorotoluene also shows important value. It can be used to prepare high-performance polymer materials, such as special plastics with excellent corrosion resistance and weather resistance. In high-end fields such as aerospace and automobile manufacturing, such materials are very useful, which can greatly improve the performance and service life of related components.
In addition, in the field of organic synthetic chemistry, as an extremely important starting material, it provides the possibility for the synthesis of many organic compounds with unique structures and functions. With the help of its active bromine atom and the unique electronic effect of trifluoromethyl, chemists have designed and realized a series of exquisite organic synthesis reactions, expanding the variety and application range of organic compounds. In short, 2-bromotrifluorotoluene plays a key role in many fields and is of great significance in promoting technological progress and development in various fields.
What are the physical properties of 2-Bromobenzotrifluoride?
2-Bromotrifluorotoluene is an important compound in organic chemistry. It has unique physical properties and is widely used in many fields.
Looking at its appearance, at room temperature and pressure, 2-bromotrifluorotoluene is a colorless to light yellow liquid, clear and transparent, without visible impurities to the naked eye. This state facilitates its uniform dispersion in various reaction systems and participates in chemical transformation.
When it comes to boiling point, it is about 189-191 ° C. This boiling point characteristic makes it possible to effectively separate it from the mixed system under suitable temperature conditions in chemical operations such as distillation and separation to achieve purification purposes.
Its melting point is around -27 ° C. The lower melting point means that at room temperature, the substance is in a liquid state and has good fluidity, which is convenient for transfer and participation in reactions in pipeline transportation, mixing in the reactor, etc.
2-bromotrifluorotoluene has a density of about 1.65 g/cm ³, which is heavier than water. In processes involving liquid-liquid separation, this density difference can be exploited to achieve separation from the aqueous phase or other liquids of different densities through layered operation.
The compound is insoluble in water, but easily soluble in most organic solvents, such as ethanol, ether, acetone, etc. This solubility property allows it to create a specific reaction environment with the help of different organic solvents in organic synthesis reactions to meet the diverse reaction requirements.
2-Bromotrifluorotoluene also has a certain degree of volatility. Although the volatility is not extremely strong, it will still diffuse in the air in a poorly ventilated environment. Therefore, in the process of storage and use, it is necessary to ensure good ventilation conditions to ensure safety.
Its physical properties are interrelated, which affects its application in chemical production, organic synthesis, materials science and other fields. For example, in organic synthesis, according to the boiling point, solubility and other properties, select the appropriate reaction solvent, reaction temperature and separation and purification method to ensure the efficient and smooth progress of the reaction and obtain high-purity target products.
What are 2-Bromobenzotrifluoride synthesis methods?
There are several common methods for the synthesis of 2-bromotrifluorotoluene. One is to use o-bromotoluene as the starting material and prepare it by trifluoromethylation. In this reaction, a suitable trifluoromethylation reagent can be selected, such as sodium trifluoromethanesulfonate. Under suitable reaction conditions, such as specific temperature, pressure and catalyst, o-bromotoluene interacts with the trifluoromethylation reagent, and its methyl is substituted and converted to trifluoromethyl, thereby generating 2-bromotrifluorotoluene.
Furthermore, benzoic acid can also be used as the starting material. First, benzoic acid is brominated, and bromine atoms are introduced into the ortho position of the benzene ring to obtain o-bromobenzoic acid. Then, through a series of reactions, such as converting the carboxyl group to trifluoromethyl. The carboxyl group can be converted into a suitable intermediate first, and then the intermediate can be replaced by trifluoromethyl under specific reaction conditions, and finally 2-bromotrifluorotoluene is obtained.
In addition, it is also possible to use o-nitrotoluene as the starting material. First, the o-nitrotoluene is brominated to obtain o-bromonitrotoluene. Then the nitro group is reduced to an amino group, and then the amino group is replaced by trifluoromethyl through diazotization. Finally, 2-bromotrifluorotoluene is synthesized. Each method has its own advantages and disadvantages, and the most suitable synthesis path needs to be selected according to the actual situation, such as the availability of raw materials, the difficulty of controlling the reaction conditions, and the purity requirements of the product.
What 2-Bromobenzotrifluoride need to pay attention to when storing and transporting
2-Bromotrifluorotoluene is also an organic compound. During storage and transportation, many matters must be paid attention to.
First word storage. This substance should be stored in a cool and ventilated warehouse. Cover a cool place to avoid the risk of chemical reactions caused by excessive temperature. Well ventilated, it can avoid its accumulation and prevent the concentration of harmful gases from being too high. The warehouse temperature should be controlled within an appropriate range, usually not higher than a specific temperature, so as not to cause danger. And it should be kept away from fire and heat sources. Open flames and high temperatures can cause it to explode, which is a big taboo.
Furthermore, this product should be stored separately with oxidants and food chemicals. Oxidants can react violently with 2-bromotrifluorotoluene, endangering safety; coexist with edible chemicals, or cause pollution, which is related to people's livelihood and cannot be ignored. When storing, the packaging must be sealed to prevent water vapor, air, etc. from coming into contact with it and causing it to deteriorate.
As for transportation, there are also many details. Transportation vehicles should be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. On the road, the danger is unpredictable. Fire-fighting equipment can be emergency when a fire starts, and leakage emergency equipment can be disposed of in time when accidentally leaking to reduce damage.
During transportation, make sure that the container does not leak, collapse, fall, or damage. The road conditions are complicated and the vehicle is bumpy. If the container is damaged or the material leaks, the disaster will be imminent. And the trough (tank) car used during transportation should have a grounding chain, and holes can be set in the trough to baffle to reduce the static electricity generated by shock. Although static electricity is small, it can cause fires or even explosions. Such details should not be ignored.
In addition, it is strictly forbidden to mix and transport with oxidants, edible chemicals, etc. During transportation, it should be protected from exposure to the sun, rain, and high temperature. In summer, the sun is like fire, and exposure to the sun can cause a sudden rise in temperature; rain is ruthless, and it can be sprayed or cause chemical reactions; high temperature environment also increases the risk factor. After transportation, the vehicle should be thoroughly cleaned to remove the residue for safe use next time.
2-Bromobenzotrifluoride impact on the environment and human health
2-Bromotrifluorotoluene is an organic compound. Its impact on the environment and human health cannot be ignored.
At the environmental end, if this substance is released into the atmosphere, it is volatile to a certain extent, or can participate in photochemical reactions, which in turn affects the air quality. And its chemical properties are relatively stable, difficult to degrade in the environment, or will remain for a long time, accumulating in environmental media such as soil and water. Once in the water body, it may cause toxicity to aquatic organisms. For example, it may interfere with the physiological metabolism of aquatic organisms, causing their growth, reproduction, and even death, thereby destroying the balance of aquatic ecosystems. In the soil, or affect the activity and community structure of soil microorganisms, hinder the normal function of soil, such as nutrient circulation, decomposition of organic matter and other processes.
As for human health, 2-bromotrifluorotoluene can enter the body through respiratory tract, skin contact or ingestion. Inhalation through the respiratory tract, or irritation of respiratory mucosa, causing cough, asthma, breathing difficulties and other diseases. Long-term exposure to this, or damage lung function, increase the risk of respiratory diseases. If skin contact, or cause skin allergies, redness, swelling, itching and other discomfort. If accidentally ingested, or irritate the gastrointestinal tract, causing nausea, vomiting, abdominal pain and other symptoms. What's more, animal experiments have shown that this substance may be potentially carcinogenic, teratogenic, and mutagenic. Although there is still a lack of definitive evidence related to the human body, it is still necessary to be highly vigilant about its potential harm to human genetic material to prevent long-term exposure from causing irreversible health damage.