1 3 Dichloro 2 4 Difluorobenzene
Fluorine Difluoride Fluorobenzene Fluorobenzyl Trifluorotoluene
1,3-Dichloro-2,4-difluorobenzene
Chemical Formula C6H2Cl2F2
Molar Mass 182.98 g/mol
Appearance Colorless to light yellow liquid
Boiling Point 171 - 173 °C
Melting Point 2 - 4 °C
Density 1.49 g/cm³
Solubility In Water Insoluble
Solubility In Organic Solvents Soluble in many organic solvents like ethanol, ether
Vapor Pressure Low vapor pressure at room temperature
Flash Point 62 °C
Odor Characteristic aromatic odor
Chemical Formula C6H2Cl2F2
Molar Mass 182.98 g/mol
Appearance Colorless to light yellow liquid
Boiling Point 174 - 176 °C
Melting Point −16 °C
Density 1.52 g/cm³ at 25 °C
Vapor Pressure 0.17 kPa at 25 °C
Water Solubility Insoluble
Flash Point 65 °C
Refractive Index 1.504 at 20 °C
Odor Characteristic aromatic odor
Chemical Formula C6H2Cl2F2
Molar Mass 182.98 g/mol
Appearance Colorless to light yellow liquid
Boiling Point 172 - 174 °C
Melting Point −30 °C
Density 1.495 g/cm³
Solubility In Water Insoluble
Vapor Pressure Low
Flash Point 62 °C
Odor Pungent
Stability Stable under normal conditions
FAQ

What are the main uses of 1,3-dichloro-2,4-difluorobenzene?

1,3-Dichloro-2,4-difluorobenzene is widely used in various fields of chemical industry.

It has significant functions in the creation of pesticides. It can be used as a key intermediate to produce high-efficiency and low-toxicity pesticides. For example, in the synthesis of some new insecticides and fungicides, it relies on its participation in the construction of special chemical structures, endowing pesticides with excellent insecticidal and bactericidal properties, and is environmentally friendly, with low residual toxicity, which is conducive to the sustainable development of agriculture.

It is also an important cornerstone in the process of pharmaceutical synthesis. It can help to develop special new drugs. With its unique chemical properties, compounds with specific pharmacological activities can be derived, providing key raw materials for drug development to overcome difficult diseases, or playing an important role in promoting the development of new antibacterial and antiviral drugs.

In the field of materials science, it is also promising. Can participate in the preparation of special polymer materials. Polymerization with specific monomers can produce materials with special properties, such as high temperature resistance and chemical corrosion resistance. It has potential application value in high-end fields such as aerospace and electronics industries, and can meet the strict requirements of special environments for materials.

Furthermore, it is a commonly used reagent in the research of organic synthetic chemistry. Chemists use it to explore various reactions, expand the methods and paths of organic synthesis, assist in the creation of new organic compounds, and promote the development of organic chemistry.

In summary, 1,3-dichloro-2,4-difluorobenzene has important uses in many fields and is an important substance in the chemical industry and related scientific research.

What are the physical properties of 1,3-dichloro-2,4-difluorobenzene?

1% 2C3-dideuterium-2% 2C4-ditritium benzene is an organic compound with unique physical properties, which is related to its application in many fields such as chemical industry and scientific research.

The mass of this compound is increased compared with ordinary benzene due to the presence of deuterium and tritium isotopes of heavy hydrogen. Its density is higher than that of ordinary benzene, because the atomic mass of deuterium and tritium is greater than that of hydrogen atoms, resulting in an increase in molecular mass and corresponding density. This property is of great significance in some experiments or industrial processes that require precise control of the density of substances, such as specific separation and purification operations.

1% 2C3-dideuterium-2% 2C4-ditritium benzene also has different melting points and boiling points from ordinary benzene. Due to the introduction of heavy isotopes, the intermolecular forces change, resulting in an increase in the melting point and boiling point. This change has a significant impact on its storage and use conditions. In chemical production, heating, cooling and distillation operations need to be optimized according to its new melting and boiling point characteristics.

Furthermore, the solubility of this compound may vary in organic solvents. Although it still has the solubility characteristics of benzene compounds in general, it can be soluble in common organic solvents such as ethanol and ether, but due to the electronic and spatial effects of deuterium and tritium substitution, the solubility in some solvents may be slightly different from that of ordinary benzene. This difference is crucial for the selection of suitable solvents to achieve efficient reaction or separation in organic synthesis and extraction processes.

Its vapor pressure also changes due to isotope substitution. Compared with ordinary benzene, 1% 2C3-dideuterium-2% 2C4-ditritium benzene has a lower vapor pressure, which means that at the same temperature, its volatilization rate is slower. This property has a significant impact on application scenarios involving volatile organic compounds, such as coatings and ink industries. It can regulate the volatilization performance of products, improve the use effect and environmental friendliness.

What are the chemical properties of 1,3-dichloro-2,4-difluorobenzene?

The chemical properties of 1% 2C3-difluoro-2% 2C4-dicyanobenzene are worth exploring. In this substance, the presence of fluorine atoms and cyanyl groups gives it unique properties.

Fluorine atoms have strong electronegativity, which can change the distribution of molecular electron clouds and affect molecular polarity. Because of its strong electronegativity, it can have special interactions with surrounding atoms or molecules, such as the formation of hydrogen bonds and other weak interactions, which affect its physical and chemical properties. The change of molecular polarity will affect its solubility. In organic solvents, due to the action of fluorine atoms, it may exhibit different solubility characteristics from conventional benzene compounds.

Cyanyl groups are strong electron-absorbing groups, which can further enhance molecular polarity. It can participate in a variety of chemical reactions, such as nucleophilic substitution reactions. Due to the influence of cyanyl groups on the electron cloud of the benzene ring, the electron cloud density on the benzene ring changes, so the reactivity at different positions on the benzene ring also changes. The density of adjacent and para-position electron clouds is relatively reduced, and the density of meta-position electron clouds is slightly higher. Therefore, nucleophilic reagents may prefer to attack positions with relatively high electron cloud density.

In addition, 1% 2C3-difluoro-2% 2C4-dicyanobenzene may have certain stability. The conjugation effect of fluorine atoms and cyanyl groups on the benzene ring can increase the degree of delocalization of the benzene ring electron cloud and reduce the energy of the system, thereby enhancing the stability of the molecule. However, under certain conditions, such as high temperature, strong acid-base environment or the presence of specific catalysts, its stability may be broken, various chemical reactions occur, and rich chemical behaviors are exhibited. In short, this substance has unique chemical properties due to the special structure of fluorine atoms and cyanyl groups, and may have potential application value in organic synthesis, materials science and other fields.

What is the production method of 1,3-dichloro-2,4-difluorobenzene?

The preparation of 1% 2C3-dioxy-2% 2C4-diethylbenzene is a rather complex chemical process. There are many delicate steps involved, let me go through them one by one.

When starting, use a suitable organic compound as the base material. Benzene derivatives of a specific structure are often selected, which need to contain functional groups that can be converted into target substituents by reaction.

Then, apply a precise chemical reaction. Alkylation can be used to introduce ethyl groups. In this process, a suitable alkylation reagent, such as halogenated ethane, needs to be carefully selected, and a suitable catalyst, such as aluminum trichloride, needs to be supplemented. This catalyst can effectively promote the reaction, so that the ethyl group is smoothly connected to the benzene ring, and the purpose of generating the intermediate product of 2% 2C4-diethylbenzene is achieved.

As for the construction of the 1% 2C3-dioxy structure, it is often necessary to rely on the oxidation reaction. A suitable oxidant can be selected, such as hydrogen peroxide or a specific metal oxide catalyst participating in the oxidation system. This oxidation step requires fine regulation of the reaction conditions, such as temperature, reaction duration and ratio of reactants, to ensure the precise formation of the dioxy structure at a specific position in the benzene ring, resulting in 1% 2C3-dioxy-2% 2C4-diethylbenzene.

During the reaction process, it is crucial to control the reaction conditions. If the temperature is too high, it will cause frequent side reactions and damage the purity of the product; if the temperature is too low, the reaction rate will be slow and time-consuming. The proportion of reactants also needs to be strictly calibrated to make the reaction move towards the direction of generating the target product efficiently. And after each step of the reaction, it is often necessary to separate and purify the process to remove impurities, improve the purity of the product, and ensure that the resulting 1% 2C3-dioxy-2% 2C4-diethylbenzene meets specific quality requirements.

What are the precautions for storing and transporting 1,3-dichloro-2,4-difluorobenzene?

1% 2C3-dideuterium-2% 2C4-ditritium benzene is a chemical substance with special properties. During storage and transportation, many matters must be paid attention to.

First words storage, it should be placed in a cool and well ventilated place. Because the substance may be extremely sensitive to temperature and humidity, it may change its properties in a warm and humid environment. And it needs to be kept away from fire and heat sources to prevent unexpected explosion. Its storage area should be equipped with suitable devices for containing leaks. If there is a leak, it can be disposed of in time to avoid major disasters.

In addition to transportation, the transporter must be familiar with the characteristics of this object and emergency treatment methods. Transportation equipment must be tightly sealed to prevent leakage and volatilization. During transportation, avoid violent vibration, impact and high temperature. If mixed with other chemicals, it is necessary to check whether the two are compatible. If incompatible substances are transported together, or they may react violently, endangering safety.

When handling, operators must be careful and unload light to avoid damage to their packaging. If the packaging is damaged and the material leaks, they should deal with it quickly according to the established emergency procedures. Evacuate the surrounding personnel first, set up warning signs, and then let the professional personnel use appropriate materials to contain and clean up the leakage.

All of these are for the storage and transportation of 1% 2C3-dideuterium-2% 2C4-ditritium benzene that should be paid attention to. A little negligence, or a huge disaster, cannot be ignored.