Chemical Formula | C6H3Cl2F |
Molar Mass | 165.00 g/mol |
Appearance | Colorless to light yellow liquid |
Boiling Point | 186 - 188 °C |
Density | 1.454 g/cm³ (20 °C) |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether |
Flash Point | 73 °C |
Chemical Formula | C6H3Cl2F |
Molar Mass | 165.00 g/mol |
Appearance | Colorless to light yellow liquid |
Boiling Point | 183 - 184 °C |
Melting Point | −14.5 °C |
Density | 1.45 g/cm³ at 25 °C |
Solubility In Water | Insoluble |
Vapor Pressure | 0.22 mmHg at 25 °C |
Flash Point | 67 °C |
Refractive Index | 1.5240 at 20 °C |
Chemical Formula | C6H3Cl2F |
Molecular Weight | 166.99 |
Appearance | Colorless to light yellow liquid |
Boiling Point | 176 - 178 °C |
Density | 1.44 g/cm³ |
Solubility In Water | Insoluble |
Flash Point | 68 °C |
Odor | Characteristic aromatic odor |
What are the main uses of 2,4-dichloro-3-fluorobenzene?
2% 2C4-difluoro-3-chlorotoluene is a crucial raw material in organic synthesis and is widely used in many fields such as medicine, pesticides, and materials.
In the field of medicine, it is a key intermediate for the synthesis of various drugs. The introduction of fluorine atoms and chlorine atoms can significantly change the physical and chemical properties of drug molecules, such as lipid solubility and stability, thereby enhancing the biological activity and efficacy of drugs. For example, in the synthesis of some antibacterial drugs, 2% 2C4-difluoro-3-chlorotoluene can construct a drug molecular structure with a unique antibacterial mechanism through a series of chemical reactions, which exhibits efficient inhibition and killing effects on specific bacteria.
In the field of pesticides, it also plays an indispensable role. As an important starting material for the synthesis of new pesticides, pesticide varieties with high selectivity, low toxicity and strong environmental adaptability can be derived. For example, some fluorochlorine-containing insecticides are prepared by a synthetic route based on 2% 2C4-difluoro-3-chlorotoluene, which has strong impact and stomach toxicity on pests, and has little impact on the environment and non-target organisms, in line with the current trend of green pesticide development.
In the field of materials, 2% 2C4-difluoro-3-chlorotoluene can be used to synthesize high-performance polymer materials. By polymerizing with other monomers, the material can be endowed with special properties, such as excellent heat resistance and chemical stability. For example, in the preparation of some special engineering plastics, the polymer structure formed after its participation in the reaction can meet the strict requirements of material properties in high-end fields such as aerospace, electronics and electrical appliances.
In short, 2% 2C4-difluoro-3-chlorotoluene plays a key role in many industrial fields due to its unique chemical structure, promoting the sustainable development and innovation of related industries.
What are the physical properties of 2,4-dichloro-3-fluorobenzene?
2% 2C4-dihydroxy-3-methoxybenzene, which is an organic compound. Its physical properties are as follows:
Looking at it, it is often in the shape of white to light yellow crystalline powder. Under sunlight, it is slightly shiny, just like the morning sun sprinkling on the fine sand, delicate and warm. Under normal temperature and pressure, its texture is stable, like a calm old man, not easily moved by the outside world.
Smell it, the smell is very small, almost invisible, if there is nothing, just like the looming wisp of sandalwood in the ancient temple in the mountains. You need to meditate and taste it carefully before you can feel its unique smell.
As for solubility, it is slightly soluble in water, just like a few light petals, which slowly disperse on the water surface, but it is difficult to completely blend; however, in organic solvents, such as ethanol, ether, etc., it can dissolve better, like a wanderer returning home, quickly integrating into it, and integrating with the solvent.
Furthermore, its melting point also has a specific value, about [X] ° C. When the temperature gradually rises, the originally solid crystal, like ice and snow in the warm sun, slowly melts into a liquid state, showing a different kind of flowing beauty. The many physical properties of this substance make it useful and valuable in many fields such as chemistry and medicine. It is like a mysterious key hidden in a treasure house, waiting for the wise to explore the mystery behind it.
What are the chemical properties of 2,4-dichloro-3-fluorobenzene?
2% 2C4-difluoro-3-chlorobenzene is also an organic compound. Its properties are related to the characteristics of chemistry, and this is for you to explain in detail.
This compound contains fluorine and chlorine atoms, and halogen atoms are active and often play a key role in the stage of chemical reactions. Fluorine atoms have a high electronegativity, which makes the molecular charge distribution vary and increases its polarity. In this way, in the nucleophilic substitution reaction, it can induce the nucleophilic reagents to tend to it, causing the reaction path and rate to change.
And chlorine atoms, although their electronegativity is inferior to that of fluorine, still have the commonality of halogen atoms. Can participate in the substitution reaction, or under specific conditions, act as a leaving group to introduce new groups into the molecular structure. The two co-exist in molecules and interact with each other, making the reactivity of the compound complex and variable.
In terms of its physical properties, due to the existence of fluorine and chlorine atoms, the intermolecular force is different from that of ordinary aromatic hydrocarbons. The melting and boiling point may be different due to the change of polarity, which also makes its solubility different from that of different solvents. In organic solvents, or due to similar compatibility, it has good solubility; in solvents with strong polarity such as water, its solubility may be limited.
Furthermore, the stability of this compound is also a key point of concern. Fluorine-carbon bonds and chlorine-carbon bonds have considerable bond energies. However, in specific chemical environments, such as strong acids, strong bases or high temperatures and strong redox conditions, the bonds or breaks can lead to chemical reactions and generate new products.
In summary, 2% 2C4-difluoro-3-chlorobenzene has special chemical properties in the field of chemistry and has potential applications in organic synthesis, drug development and many other aspects. Researchers should carefully investigate its properties and make good use of it.
What is the production method of 2,4-dichloro-3-fluorobenzene?
2% 2C4-difluoro-3-chlorotoluene is an organic compound with a wide range of uses in the chemical industry. The methods for its preparation are generally as follows:
First, 2,4-difluorotoluene is used as the starting material and obtained by chlorination reaction. This process requires the selection of suitable chlorinated reagents, such as chlorine gas, sulfoxide chloride, etc. During the reaction, make sure that the reaction conditions are appropriate. Factors such as temperature, pressure, catalyst, etc. need to be carefully regulated.
Take chlorine gas as the chlorination agent as an example. Usually, in the presence of light or initiator, chlorine gas interacts with 2,4-difluorotoluene. Illumination or initiators can induce chlorine to produce active chlorine radicals, which can then react with the methyl group of toluene. The reaction temperature is generally controlled in a moderate range. If it is too high, side reactions will increase, and if it is too low, the reaction rate will be slow.
Furthermore, other compounds can also be used as starting materials to prepare 2% 2C4-difluoro-3-chlorotoluene through multi-step reactions. For example, a specific fluorine-containing compound is condensed with a chlorine-containing compound to form an intermediate product, and then the intermediate product is modified and converted to obtain the final target product. Although this approach is complicated, it can be flexibly adjusted according to factors such as the availability of raw materials and cost. When preparing
, it is necessary to pay attention to the selectivity and yield of the reaction. Selectivity is related to the purity of the product, and yield affects the production cost. In order to improve selectivity and yield, it is often necessary to carefully optimize the reaction conditions or choose a special catalyst. And the separation and purification of the product is also very important. Distillation, extraction, crystallization and other methods can be used to obtain high-purity 2% 2C4-difluoro-3-chlorotoluene.
What are the precautions for using 2,4-dichloro-3-fluorobenzene?
2% 2C4-dihydro-3-pentenonitrile is also an organic compound. When using, many things must be observed.
First, it is related to safety protection. This material has certain toxicity and irritation. When operating, be sure to wear suitable protective equipment, such as gas masks, protective gloves, protective glasses, etc., to avoid contact with the skin, eyes, respiratory tract, etc., to avoid poisoning and damage.
Second, environmental conditions are also critical. It needs to be used in a well-ventilated place to prevent the accumulation of volatile gases and the risk of poisoning. And the ambient temperature and humidity of the use should also be appropriate, so as not to change its properties due to environmental factors, affect the use, or pose a safety hazard.
Third, the use specifications should not be underestimated. Strictly follow the established operating procedures, and accurately control the dosage and reaction conditions. If it is used in a chemical reaction, the reaction temperature, time, and the proportion of reactants must be precisely controlled to ensure that the reaction proceeds smoothly, obtain the expected effect, and avoid accidents.
Fourth, the method of storage is also exquisite. It should be stored in a cool, dry, and ventilated place, away from fire and heat sources, to prevent it from being decomposed by heat, volatilizing, or even causing danger such as combustion and explosion. And it needs to be stored separately from oxidizing agents, acids, bases and other substances. Because of its active chemical properties, contact with them is easy to cause chemical reactions and unexpected changes.
In short, when using 2% 2C4-dihydro-3-pentenonitrile, it should be treated with caution in terms of safety protection, environmental conditions, usage specifications, storage methods, etc., and should not be neglected to ensure the safety and effectiveness of use.