Chemical Formula | C6F6 |
Molar Mass | 186.05 g/mol |
Appearance | Colorless liquid |
Odor | Mild, ethereal odor |
Density | 1.619 g/cm³ (at 20 °C) |
Boiling Point | 80.2 °C |
Melting Point | -3.6 °C |
Solubility In Water | Insoluble |
Vapor Pressure | 13.3 kPa (at 25.1 °C) |
Flash Point | None (non - flammable) |
Chemical Formula | C6F6 |
Molar Mass | 186.05 g/mol |
Appearance | Colorless liquid |
Odor | Weak, sweet odor |
Density | 1.612 g/cm³ at 25 °C |
Melting Point | -3.6 °C |
Boiling Point | 80.2 °C |
Solubility In Water | Insoluble |
Vapor Pressure | 13.3 kPa at 25.4 °C |
Refractive Index | 1.375 (20 °C) |
Chemical Formula | C6F6 |
Molar Mass | 186.05 g/mol |
Appearance | Colorless liquid |
Odor | Sweet, ethereal odor |
Density | 1.619 g/cm³ at 20 °C |
Boiling Point | 80.2 °C |
Melting Point | -5.2 °C |
Vapor Pressure | 12.7 kPa at 25 °C |
Solubility In Water | Insoluble |
Logp | 4.15 |
Refractive Index | 1.375 at 20 °C |
Flammability | Non - flammable |
What are the chemical properties of hexafluorobenzene?
Hexafluorobenzene is an organic compound. Its molecular structure is on a benzene ring, and all six hydrogen atoms are replaced by fluorine atoms. The chemical properties of this substance are unique and valuable to explore.
First of all, its stability. Hexafluorobenzene is extremely stable, due to the extremely high electronegativity of fluorine atoms and the large C-F bond energy. Therefore, it has strong resistance to heat, light and chemical reagents, and its own structure is not easily damaged under many chemical reaction conditions. This stability allows it to maintain its chemical properties under specific high temperature and strengthening environments.
Second, its solubility. Hexafluorobenzene is a non-polar molecule. According to the principle of similar miscibility, it is easily soluble in non-polar organic solvents, such as n-hexane and carbon tetrachloride, but insoluble in polar solvents, such as water. This solubility characteristic is of great significance in the separation, purification and medium selection of chemical reactions.
Furthermore, the reactivity of hexafluorobenzene. Although the whole is stable, it can also exhibit certain reactivity under specific conditions. For example, it can participate in nucleophilic substitution reactions. Due to the electron-withdrawing effect of fluorine atoms, the electron cloud density on the benzene ring decreases, making it easier for nucleophilic reagents to attack the benzene ring and initiate substitution reactions. In addition, with the help of catalysts, hexafluorobenzene can also participate in some addition reactions, expanding its chemical transformation path The chemical properties of
hexafluorobenzene are characterized by stability and certain reactivity under specific conditions. This unique property makes it have a wide range of application prospects in many fields such as organic synthesis and materials science.
What are the common uses of hexafluorobenzene?
Hexafluorobenzene (hexafluorobenzene) has various common uses. In the field of organic synthesis, it is an important raw material and intermediate. Due to its special chemical properties, it can participate in many reactions to obtain fluorinated organic compounds. Such compounds have key applications in medicine, pesticides, materials and other fields.
In materials science, hexafluorobenzene also has its uses. It can be used to prepare high-performance polymer materials, endowing materials with excellent thermal stability, chemical stability and electrical properties. Based on such polymers, materials suitable for extreme environments, such as aerospace, electronic devices and other fields, can be prepared.
Furthermore, in analytical chemistry, hexafluorobenzene can be used as a solvent or internal standard. It has high chemical stability, is not easy to react with samples, and has specific physical properties. In gas chromatography, mass spectrometry and other analytical techniques, it can help to accurately determine and analyze sample components.
In some special chemical reaction systems, hexafluorobenzene can act as a reaction medium. Due to its unique molecular structure and properties, it can provide a specific environment for the reaction, affect the reaction rate and selectivity, and promote the reaction to proceed according to a specific path, achieving reactions that are difficult to achieve under ordinary conditions. All of these are common uses of hexafluorobenzene.
What are the precautions for the production of hexafluorobenzene?
In the production process of hexafluorobenzene, all kinds of precautions must not be ignored.
First, it is related to safety. Hexafluorobenzene has certain toxicity and irritation, and safety procedures must be strictly followed during production. Workers need to wear complete protective equipment, such as gas masks, protective gloves, protective clothing, etc., to prevent direct contact with hexafluorobenzene and inhalation of its vapor. The workshop also needs to set up a good ventilation system to disperse harmful gases in time, reduce its concentration in the air, and avoid potential safety hazards caused by its accumulation.
Second, production conditions are very important. Parameters such as temperature, pressure, and reaction time need to be precisely controlled. The synthesis of hexafluorobenzene often requires strict reaction conditions. If the temperature is too high or too low, the reaction rate and product purity can be affected. Improper pressure, or cause the reaction to fail to proceed smoothly, or even cause danger. Therefore, precision instruments must be used to monitor and regulate the reaction conditions to ensure the stability of the production process.
Third, material management should not be underestimated. Raw materials and products of hexafluorobenzene should be properly stored. Raw materials should be selected according to their characteristics and suitable storage conditions should be selected to prevent their deterioration from affecting the reaction. Products should be sealed and stored to prevent their leakage and volatilization. Waste left in the production process should also be properly disposed of in accordance with environmental regulations, and should not be discarded at will, so as to avoid polluting the environment.
Fourth, equipment maintenance is the key. Equipment used in production needs regular maintenance and maintenance. Prevent hexafluorobenzene leakage due to aging and damage to equipment. Make sure that pipes, valves and other components are well sealed and free of dripping. And the safety devices of the equipment, such as safety valves, alarms, etc., should be checked frequently to ensure their sensitivity and effectiveness.
What are the environmental effects of hexafluorobenzene?
Hexafluorobenzene (hexafluorobenzene) is a fluorine-containing compound. Its environmental impact, the value of the study.
Hexafluorobenzene is highly qualitative and naturally degradable. If it persists in the environment for a long time, it can affect the biological environment, causing biological fatigue. The harm of biological fatigue is increasing in the food environment, and it is harmful to high-risk organisms, including humans.
In addition, the chemical properties of hexafluorobenzene can be greatly reduced and reversed. It is not a major chamber, but it exists in the environment, or it may be in equilibrium. Its fluoride content, or the degree of free radicals in the environment, can affect the transformation and removal of other pollutants.
If hexafluorobenzene enters the soil and water, it will pollute the environment. In the soil, it prevents plant roots from absorbing nutrients and water, and inhibits plant growth. Entering the water, endangers aquatic organisms, disrupts the balance of aquatic life, such as the survival and reproduction of plankton.
Of course, hexafluorobenzene itself has different degrees of influence, so it needs to be controlled to prevent it from entering the environment to ensure the safety of life.
What is the market price range for hexafluorobenzene?
Hexafluorobenzene is an organic compound, and its market price range varies from time to time and is also subject to a variety of factors.
Past prices vary depending on supply and demand conditions, difficulty in preparation, and market competition. In the chemical raw material market, its price often fluctuates due to the increase or decrease in output. If the preparation process is refined, the output increases sharply, and the price may decline; if the raw materials are scarce, the preparation is difficult, and the demand is strong, the price may rise.
At present, the price of hexafluorobenzene ranges from hundreds to thousands of yuan per kilogram. In high-end application fields such as fine chemicals and pharmaceutical research and development, its quality requirements are strict, and the price may be high, up to thousands of yuan per kilogram. For general industrial use, if the supply is sufficient, the price may be in the range of several hundred yuan per kilogram.
However, this is only a rough price, and the actual price is subject to the quotation of each supplier, the time and place of transaction, and the quantity purchased. The market is volatile, and the price changes at any time. If you want to know the exact price, you must consult the chemical product trading market, relevant suppliers, etc.