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What is the main use of 2-Fluoro-1-Nitro-3,5-Bis (Trifluoromethyl) Benzene?
2-Fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene is an organic compound. It has a wide range of main uses and is often used as a key intermediate in the field of medicinal chemistry. In the process of pharmaceutical research and development, organic intermediates are the cornerstones for the synthesis of complex drug molecules. Taking this compound as an example, its unique chemical structure contains functional groups such as fluorine, nitro and trifluoromethyl, which can participate in various chemical reactions and help build molecular structures with specific biological activities.
In the field of pesticides, this compound also plays an important role. With the development of modern pesticides towards high efficiency, low toxicity and environmental friendliness, the demand for compounds with special structures and activities is increasing. Due to its fluorine-containing atoms, it can enhance the lipophilicity of pesticides, enhance their absorption and transport capacity in vivo, and the introduction of fluorine atoms can enhance the stability and biological activity of compounds, so it may be used to create new and efficient pesticides.
In the field of materials science, it may be able to participate in the synthesis of functional materials. For example, in the synthesis of polymer materials, the polymer chain is introduced as a functional monomer to endow the material with special properties, such as improving the chemical stability and thermal stability of the material, changing the surface properties of the material, etc., showing potential application value in special coatings, high-performance engineering plastics and other fields. In conclusion, the unique structure of 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene has important uses and broad application prospects in many fields such as medicine, pesticides and materials science.
What are the physical properties of 2-Fluoro-1-Nitro-3,5-Bis (Trifluoromethyl) Benzene?
2-Fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene, this is an organic compound with unique physical properties. At room temperature and pressure, it is mostly liquid, transparent or yellowish in color, and has a specific odor. However, the specific odor is difficult to describe, only the actual smell can be perceived.
Looking at its solubility, it has good solubility in most organic solvents, such as common ether, chloroform, dichloromethane, etc. Due to the characteristics of the molecular structure of the compound, it can form a suitable interaction with the organic solvent molecules, making it easily soluble. However, in water, its solubility is extremely poor, because water is a highly polar solvent, and the polarity of this compound is relatively weak, and the polarity difference between the two is large. According to the principle of "similar miscibility", it is difficult to dissolve in water.
The boiling point is also one of its important physical properties. Generally speaking, its boiling point is quite high, and it needs to reach a certain temperature to boil into a gaseous state. This is because there are various forces between molecules, such as van der Waals forces, dipole-dipole interactions, etc. These forces closely connect molecules. To make them gaseous, enough energy needs to be supplied to overcome these forces, which is the reason for the high boiling point.
In terms of melting point, there is also a corresponding value. At a specific temperature, the substance will change from a solid state to a liquid state. This temperature is related to the degree to which the molecules are arranged tightly and the intermolecular forces. In the solid state, the molecules are arranged in an orderly manner, and the interaction force maintains their stable structure. When the temperature rises to the melting point, the energy is enough to break part of the force, and then the state of matter changes.
Density is also a physical property that cannot be ignored. Compared with water, its density is higher, and if it is mixed with water, it will sink to the bottom of the water. Due to the molecular mass and the degree of structural compactness, the mass of the substance contained in the unit volume is larger, and then the density is higher.
In addition, the vapor pressure of this compound is relatively low. At room temperature, its molecules have a small tendency to escape from the liquid surface to form steam. Due to the strong intermolecular force, the molecules are not easy to break free from the liquid phase and enter the gas phase, so the vapor pressure is low.
The above are all the physical properties of 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene, which play a crucial role in its application in chemical industry, scientific research and other fields.
Is 2-Fluoro-1-Nitro-3,5-Bis (Trifluoromethyl) Benzene Chemically Stable?
The chemical properties of 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene are stable to a certain extent. In this compound, the presence of fluorine atoms, nitro groups and trifluoromethyl groups has a significant impact on its chemical stability.
fluorine atoms have high electronegativity. When connected to the benzene ring, the electron cloud density of the benzene ring can be reduced by virtue of its electron-sucking induction effect. This change in electron cloud density makes the benzene ring less reactive to electrophilic reagents, which enhances the stability of the compound to a certain extent.
Nitro is also a strong electron-sucking group, which not only has an electron-sucking induction effect, but also has an electron-sucking conjugation effect. This double effect further reduces the electron cloud density of the benzene ring, making the benzene ring more stable. Therefore, 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene is more vulnerable to the attack of electrophilic reagents than similar compounds with higher electron cloud density on the benzene ring, and the chemical stability is improved.
And trifluoromethyl is also a strong electron-absorbing group. Its presence not only further reduces the electron cloud density of the benzene ring, but also enhances the chemical stability of the compound due to the large number of fluorine atoms. This steric hindrance can form obstacles to some reagents that attempt to react close to the benzene ring, thereby enhancing the chemical stability of the compound.
However, although this compound has a certain stability, it can still react under certain conditions. For example, under the action of strong reducing agents, nitro groups can be reduced; at high temperature, high pressure and in the presence of specific catalysts, the substituents on the benzene ring may undergo reactions such as substitution and elimination. But in general, under common mild conditions, the chemical properties of 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene are relatively stable.
What is the preparation method of 2-Fluoro-1-Nitro-3,5-Bis (Trifluoromethyl) Benzene?
The method of preparing 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene is involved in the field of organic synthesis. There are many different preparation paths, and the common ones are described in detail below.
First, it can be prepared from the corresponding aromatic hydrocarbons through a series of reactions such as nitration and halogenation. First, take the aromatic hydrocarbons containing trifluoromethyl, and use an appropriate nitrifying reagent, such as a mixed acid system of concentrated nitric acid and concentrated sulfuric acid, at a suitable temperature. This step aims to introduce nitro groups to aromatic hydrocarbons. The reaction temperature and reagent ratio need to be carefully adjusted to prevent side reactions such as excessive nitrification. Due to the strong corrosiveness and oxidation of mixed acids, safety procedures must be strictly followed during operation, and protective equipment should be used in a well-ventilated environment.
After the aromatic hydrocarbon product containing nitro groups is obtained, the halogenation reaction is continued to introduce fluorine atoms. Usually specific fluorination reagents, such as Selectfluor, are used in the presence of appropriate organic solvents and catalysts. This process requires strict reaction conditions, such as temperature, reaction time and catalyst dosage, etc., and needs to be precisely controlled to obtain high-purity target products.
Second, there are also halogenated aromatics as starting materials, and nitro and trifluoromethyl groups are introduced through nucleophilic substitution. First, a halogenated aromatic hydrocarbon containing fluorine, together with a suitable nitro source, undergoes a nucleophilic substitution reaction under the action of a base and a phase transfer catalyst, and a nitro group is introduced. This step requires selecting a suitable base and a phase transfer catalyst to promote the reaction.
Then, with specific reagents and conditions, trifluoromethyl is introduced. The common method is to use trifluoromethylation reagents, such as trifluoromethylhalide copper, to react with intermediates under the catalysis of metal catalysts. This preparation method requires high reaction conditions and raw material purity. During the preparation process, each step of the reaction product needs to be separated and purified, such as extraction, distillation, column chromatography, etc., to remove impurities, improve the purity of the product, and then obtain high-purity 2-fluoro-1-nitro-3,5-bis (trifluoromethyl) benzene. Each step of the reaction needs to be fine-tuned according to the specific situation to achieve the best reaction effect and product yield.
What is the price range of 2-Fluoro-1-Nitro-3,5-Bis (Trifluoromethyl) Benzene in the market?
I don't know if 2 - Fluoro - 1 - Nitro - 3,5 - Bis (Trifluoromethyl) Benzene is in the market price range. This compound is unusual, and its price is determined by many factors.
When it comes to raw materials, if the raw materials used to make this compound are rare and expensive, the price of the finished product will also be high. Furthermore, whether the preparation process is simple or not matters a lot. If you need delicate and laborious processes, or use special instruments and harsh reaction conditions, the cost will increase and the price will also rise.
The situation of market supply and demand is also the key. If there are many people who want it, and the supply is scarce, the price will increase; conversely, if the supply exceeds the demand, the price may decrease.
In addition, the price varies depending on the seller. Large businesses may have slightly lower costs due to scale effects, and pricing may vary; small businesses may have different prices due to operating costs. In addition, the number of purchases also affects the price. If you buy in bulk, you can often get discounts.
Unfortunately, I don't know the past price records of this compound, nor do I have current market survey data, so it is difficult to determine its price range. For details, you can consult chemical raw material suppliers, check chemical product trading platforms, or consult people familiar with the market in the industry to get a more accurate price range.