4-Fluoro-1,3-Benzenedicarbonitrile (4-fluoro-1,3-phenyldimethylnitrile) has a wide range of uses in the chemical industry.
First, it is often a key intermediate in the synthesis of medicine. Taking the creation of specific anti-tumor drugs as an example, this compound can introduce a delicate molecular structure through a specific chemical reaction, and through multiple steps of reaction and modification, it can eventually become a drug molecule with precise anti-cancer activity. Due to the unique chemical properties of benzene ring, fluorine atom and nitrile group, it is possible to participate in various reactions, and can be cleverly combined with many compounds containing specific functional groups, so it is the cornerstone for medical chemists to build complex drug structures.
Second, in the field of materials science, its function cannot be ignored. In the research and development of organic optoelectronic materials, 4-fluoro-1,3-phenylphthalonitrile can be used as the core structural unit. Its nitrile group can participate in the polymerization reaction to build an orderly polymer structure, and the introduction of fluorine atoms can effectively adjust the electron cloud distribution and energy level structure of the material, thereby improving the photoelectric properties of the material, such as improving the charge transfer efficiency of the material, enhancing the luminous efficiency, etc., and assisting in the preparation of high-performance organic Light Emitting Diode (OLED), organic solar cells and other devices.
Furthermore, in the field of pesticide chemistry, it also has a place. New pesticides can be created through appropriate derivatization reactions. The properties of fluorine atoms make the obtained compounds have better biological activity and environmental adaptability, and nitrile groups help to enhance the interaction between compounds and specific receptors or enzymes in target organisms, so as to achieve efficient insecticidal, bactericidal or herbicidal effects, and contribute to agricultural pest control and crop growth protection.
Overall, 4-fluoro-1,3-benzodimethonitrile plays an indispensable role in many fields such as medicine, materials, and pesticides. With its unique chemical structure, it provides an important material foundation and development opportunity for technological innovation and product upgrading in various fields.

4-Fluoro-1,3-benzodimethanonitrile is one of the organic compounds. Its physical properties are unique, let me tell them one by one.
Looking at its appearance, under room temperature and pressure, it is mostly white to light yellow crystalline powder, with fine texture and looks like heaven. This morphological feature makes it easy to handle and measure in many chemical operations and applications.
When it comes to the melting point, it is between 152-156 ° C. The melting point is also the critical temperature at which a substance changes from a solid state to a liquid state. This specific melting point indicates that when the ambient temperature rises to this range, 4-fluoro-1,3-phthalonitrile will melt from a solid state to a liquid state. This property is of great significance in the purification and separation of substances and the control of certain chemical reaction conditions.
As for the boiling point, due to the molecular structure and interaction forces, its boiling point is higher, but the exact value needs to be determined by more accurate experiments. A higher boiling point means that more energy needs to be given to make it boil into a gaseous state, which also reflects the strength of the intermolecular forces, which has a significant impact on its stability and volatility in high temperature environments.
In terms of solubility, 4-fluoro-1,3-phthalonitrile is slightly soluble in water. Water is the source of all things, and many substances interact with it. Its slightly soluble property in water is due to the poor matching of the polarity of molecules and the polarity of water molecules, which makes it difficult for the two to blend with each other. However, it has certain solubility in some organic solvents, such as dichloromethane, N, N-dimethylformamide, etc. Its solubility in organic solvents provides a broad space for its application in organic synthesis, material preparation, etc. It can be used as a reactant or intermediate to participate in various chemical reactions in suitable organic solvent systems.
In addition, the density of 4-fluoro-1,3-phthalonitrile is also one of its important physical properties. Although the exact density value needs to be accurately measured, its density characteristics affect the distribution and behavior of the substance in the mixed system, and are indispensable for the design and optimization of related chemical processes.
In summary, the physical properties of 4-fluoro-1,3-phthalonitrile, such as appearance, melting point, boiling point, solubility and density, are interrelated, which together determine its application direction and potential value in the chemical field, providing a rich foundation for chemical researchers and industrial producers to explore and apply.

4-Fluoro-1,3-phenyldimethylnitrile is an important compound in the field of organic synthesis. Its synthesis method is quite complicated, and it is described by you today.
First, it can be started from fluorine-containing benzene derivatives. First, a specific halogenated reagent is used to introduce a halogen atom, such as chlorine or bromine, at an appropriate position in the benzene ring. Next, a cyanylating reagent, such as cuprous cyanide, is used to replace the halogen with a cyanide group to obtain the target product. In this process, the reaction conditions, such as temperature, solvent and catalyst, need to be carefully regulated. If the temperature is too high, side reactions may occur; if the temperature is too low, the reaction will be slow and the yield will not be high. The choice of solvent is also crucial. Polar aprotic solvents, such as dimethylformamide, should be used to promote the cyanylation reaction.
Second, aromatic carboxylic acid derivatives can also be used as raw materials. First, the carboxylic acid is converted into an acid chloride, and then reacted with a fluorine-containing reagent to introduce fluorine atoms. Subsequently, 4-fluoro-1,3-benzodimethonitrile is prepared through dehydration and cyanidation. In this route, the dehydration step needs to select a suitable dehydrating agent, such as phosphorus pentoxide, to ensure the smooth progress of the reaction. When cyanizing, attention should also be paid to the activity and dosage of the cyanide reagent, so as not to affect the purity and yield of the product.
Third, it can also be synthesized by coupling reaction catalyzed by transition metals. The coupling reaction occurs with halogenated aromatics containing fluorine and cyanylation reagents under the action of transition metal catalysts such as palladium and nickel. This method has the advantages of high selectivity and mild reaction conditions. However, the cost of the catalyst is higher, and the reaction system is more sensitive to impurities, so the purity of the reaction environment needs to be strictly controlled.
All kinds of methods for synthesizing 4-fluoro-1,3-benzodimethylnitrile have their own advantages and disadvantages. In practical applications, when the appropriate synthesis path is carefully selected according to factors such as the availability of raw materials, cost, and purity requirements of the product, it can achieve twice the result with half the effort.

4-Fluoro-1,3-benzodimethanonitrile, when storing, many matters need to be paid attention to. This substance has specific chemical properties, so the environment in which it is located is crucial.
Bearing the brunt, it should be placed in a cool place. Because the temperature is too high, it may cause its chemical structure to change, causing decomposition, deterioration, etc. If it is overheated, or the reaction is out of control, endangering safety. Therefore, it is essential to choose a place with stable temperature and cool.
Furthermore, a dry environment is indispensable. Moisture easily interacts with 4-fluoro-1,3-benzodimethanonitrile, or causes reactions such as hydrolysis. Once damp, not only the quality is damaged, but also harmful things may be formed. Therefore, the storage place should be kept in a moisture-proof device, and the ambient humidity should be strictly controlled.
In addition, it must be kept away from fire sources and oxidants. This substance is flammable to a certain extent, and it is easy to burn when exposed to open flames and hot topics. When the oxidant encounters it, it may trigger a violent reaction, causing explosions and other disasters. Therefore, the storage place should be kept far away from the fire source and oxidant, and fireworks should be prohibited.
In addition, the storage place should also be well ventilated. If the ventilation is poor, once 4-fluoro-1,3-benzodimethanonitrile evaporates, its gas may gather in one place, not only polluting the air, but also reaching a certain concentration, or there is a risk of explosion. Good ventilation can ensure air circulation, reduce gas concentration, and avoid accidents.
When storing, it is also necessary to have a clear label. Mark the name of "4-fluoro-1,3-benzodimethonitrile", as well as its dangerous characteristics, such as flammability, chemical activity, etc. In this way, when personnel operate and handle, it is clear at a glance, and they can act in accordance with safety procedures to avoid danger.
In short, when 4-fluoro-1,3-benzodimethonitrile is stored, care must be taken in terms of temperature, humidity, fire source, ventilation and labeling to ensure safety and protect its quality.

I look at your question and ask what the market price of 4-fluoro-1,3-benzodimethylnitrile is. However, the market price of this product is difficult to say in a word. Its price often changes due to many factors, and the market conditions are changing rapidly, making it difficult to determine a certain number.
First, the price of raw materials has a great impact. If the price of the raw materials required for its preparation fluctuates due to the origin, season, supply and demand, etc., the price of 4-fluoro-1,3-benzodimethylnitrile will also change accordingly. If the raw materials are scarce, the price will rise; if the supply is abundant, the price may decline.
Second, the method of preparation is also the key. Different production methods have different costs. An efficient and low-cost method can reduce the price; while a complex and high-consumption method must lead to a high price.
Third, market supply and demand, which determines the price. If there are many people who want it, and there are few people who supply it, the price will rise; if there is an oversupply, the merchant will sell the goods, and the price will drop.
Fourth, the difference in region also makes the price different. In prosperous places, the logistics is convenient, or the price is slightly lower; in remote places, the transportation cost is high, and the price may be slightly higher.
To sum up, in order to know the exact market price of 4-fluoro-1,3-phenyldimethylnitrile, it is necessary to observe the raw material market, the progress of the production method, the supply and demand situation and regional differences in real time. And it is advisable to consult industry experts, chemical market practitioners or relevant institutions in order to obtain a more accurate price.