Qidi Chemical
PRODUCTS
Ethylbenzene
|
HS Code |
130554 |
| Chemical Formula | C8H10 |
| Molar Mass | 106.167 g/mol |
| Appearance | Colorless liquid |
| Odor | Aromatic, gasoline - like |
| Density | 0.867 g/cm³ at 20 °C |
| Melting Point | -95 °C |
| Boiling Point | 136.19 °C |
| Solubility In Water | Insoluble (0.015 g/100 mL at 25 °C) |
| Vapor Pressure | 1.33 kPa at 25.9 °C |
| Flash Point | 15 °C |
| Auto Ignition Temperature | 432 °C |
As an accredited Ethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ethylbenzene in 50 - liter drums, securely packaged for safe transport. |
| Storage | Ethylbenzene should be stored in a cool, well - ventilated area, away from sources of ignition. Keep it in tightly - sealed containers made of materials like steel, which are resistant to its corrosive nature. Store it separately from oxidizing agents and incompatible substances. Temperature control is crucial, with an ideal range to prevent vapor formation and potential fire or explosion hazards. |
| Shipping | Ethylbenzene is shipped in bulk via tank trucks, rail tank cars, or ocean - going tankers. It must be handled with care as it's flammable. Shipping containers are designed to prevent leakage and ensure safe transportation. |
Competitive Ethylbenzene prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8618136850665 or mail to sales6@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: sales6@liwei-chem.com
Historical Development
Ethylbenzene is also an organic compound. Its traces can be traced back to the beginning of chemistry in the past. At the beginning, scholars worked hard in the laboratory to gradually understand its properties. With the rise of industry, the demand is on the rise, and the preparation method is becoming more and more complicated and exquisite. Although the process in the past was simple, it laid the foundation for today's great success. With the evolution of science and technology, the synthesis methods are changing with each passing day, the yield is higher and the quality is better. Since its inception, ethylbenzene has been widely used in various fields of chemical industry, and it is a key raw material for many products. Its historical evolution, like a long river rushing, started from the end of the micro, and has been vigorous until now. It is actually a brilliant pearl on the journey of chemical exploration, reflecting the brilliance of human wisdom and progress.
Product Overview
Ethylbenzene is also a chemical substance. Its shape and color are liquid, and it is fragrant. This is an important raw material, which is used in the field of engineering and engineering.
The method of Ethylbenzene is often obtained by catalysis from ethylbenzene and benzene. Its properties are low, and it can burn a bright flame.
Ethylbenzene is mostly used to make styrene. For styrene, it can be used to make plastics, rubber and other materials. It is indispensable for modern life.
Ethylbenzene is also used with caution. Because it is harmful or harmful to people, it is necessary to pay attention to prevention and operate according to it, which is safe for security.
The method of Ethylbenzene is often obtained by catalysis from ethylbenzene and benzene. Its properties are low, and it can burn a bright flame.
Ethylbenzene is mostly used to make styrene. For styrene, it can be used to make plastics, rubber and other materials. It is indispensable for modern life.
Ethylbenzene is also used with caution. Because it is harmful or harmful to people, it is necessary to pay attention to prevention and operate according to it, which is safe for security.
Physical & Chemical Properties
"On the Physical and Chemical Properties of Ethylbenzene"
Ethylbenzene is also an organic compound. Its shape is a colorless liquid with an aromatic odor. The boiling point is about 135 to 136 degrees Celsius, the melting point is negative 90.6 degrees Celsius, and the density is lighter than that of water. Ethylbenzene is insoluble in water, but miscible in organic solvents such as ethanol and ether.
From a chemical point of view, ethylbenzene has the typical properties of aromatic hydrocarbons. The benzene ring can undergo a substitution reaction, and the side chain can be oxidized. Under light, the side chain hydrogen is easily replaced by halogen atoms; when the catalyst acts, the hydrogen on the benzene ring can be replaced by other groups.
Ethylbenzene is widely used in the chemical industry. It is often used as a raw material for the preparation of styrene, and is also used in solvents and synthesis of other organic compounds. Its physical and chemical properties determine the way and scope of its application in industrial production and scientific research. Deep research will benefit the development of the chemical industry.
Ethylbenzene is also an organic compound. Its shape is a colorless liquid with an aromatic odor. The boiling point is about 135 to 136 degrees Celsius, the melting point is negative 90.6 degrees Celsius, and the density is lighter than that of water. Ethylbenzene is insoluble in water, but miscible in organic solvents such as ethanol and ether.
From a chemical point of view, ethylbenzene has the typical properties of aromatic hydrocarbons. The benzene ring can undergo a substitution reaction, and the side chain can be oxidized. Under light, the side chain hydrogen is easily replaced by halogen atoms; when the catalyst acts, the hydrogen on the benzene ring can be replaced by other groups.
Ethylbenzene is widely used in the chemical industry. It is often used as a raw material for the preparation of styrene, and is also used in solvents and synthesis of other organic compounds. Its physical and chemical properties determine the way and scope of its application in industrial production and scientific research. Deep research will benefit the development of the chemical industry.
Technical Specifications & Labeling
Fuethylbenzene is an organic compound. The technical specifications and identification (product parameters) for its preparation are related to the precision of the process and the purity of the quality.
The preparation method often uses benzene and ethylene as materials, at a suitable temperature and pressure, accompanied by a high-efficiency catalyst, to cause the alkylation reaction. Its technical specifications strictly control the ratio of materials, such as the amount of benzene and ethylene, must be combined with an accurate number to ensure the excellent reaction. And the rise and fall of temperature and the increase or decrease of pressure are fixed and cannot be exceeded slightly.
In terms of identification, the product parameters are detailed. When looking at its color, it should be clear and clear; when measuring its boiling range, it should be in a specific field; when testing its purity, it must reach a high standard. In this way, it can be clear that its quality is different from other things, so as to meet the needs of industry and scientific research, to ensure that those who use it get its benefits, avoid its harm, and become a stable foundation and a step of progress in the chemical industry.
The preparation method often uses benzene and ethylene as materials, at a suitable temperature and pressure, accompanied by a high-efficiency catalyst, to cause the alkylation reaction. Its technical specifications strictly control the ratio of materials, such as the amount of benzene and ethylene, must be combined with an accurate number to ensure the excellent reaction. And the rise and fall of temperature and the increase or decrease of pressure are fixed and cannot be exceeded slightly.
In terms of identification, the product parameters are detailed. When looking at its color, it should be clear and clear; when measuring its boiling range, it should be in a specific field; when testing its purity, it must reach a high standard. In this way, it can be clear that its quality is different from other things, so as to meet the needs of industry and scientific research, to ensure that those who use it get its benefits, avoid its harm, and become a stable foundation and a step of progress in the chemical industry.
Preparation Method
The method of making ethylbenzene is related to the raw materials and production process, reaction steps and catalytic mechanism. Benzene and ethylene are often used as raw materials, and the alkylation reaction is carried out under the action of a specific catalyst. The process is as follows: first, benzene and ethylene are introduced into the reactor, which contains suitable catalysts, such as zeolite catalysts. When the two meet, the double bond in ethylene is activated by the catalyst, and the electrophilic substitution reaction occurs with the styrene ring. The vinyl is connected to the styrene ring to form ethylbenzene. This reaction requires precise temperature control and pressure control to achieve the best reaction effect. And the subsequent products need to go through processes such as separation and purification to obtain high-purity ethylbenzene products. The catalytic mechanism is that the catalyst reduces the activation energy of the reaction, accelerates the reaction
Chemical Reactions & Modifications
I have tried to study the transformation of Ethylbenzene and its transformation properties. The path of its transformation is related to many elements. In the past, if you want to obtain this compound, you often follow the ancient method, but its effect is not good, and the yield is not high.
Observe its transformation response, or because the conditions are not just right, the reaction is blocked. And the purity of the raw materials, the rise and fall of temperature, and the increase and decrease of pressure are all key. We then think about the method of change, adjust all the conditions, and hope to get the best effect.
As for the transformation properties, Ethylbenzene is unique, but it can also be changed in specific situations. After repeated investigation, the improvement method gradually becomes clear. With new techniques to control it, the rate of transformation can be increased, and the control of transformation properties is more stable. Although there is still room for improvement, it has already achieved results. In the future, we should forge ahead and explore even better methods.
Observe its transformation response, or because the conditions are not just right, the reaction is blocked. And the purity of the raw materials, the rise and fall of temperature, and the increase and decrease of pressure are all key. We then think about the method of change, adjust all the conditions, and hope to get the best effect.
As for the transformation properties, Ethylbenzene is unique, but it can also be changed in specific situations. After repeated investigation, the improvement method gradually becomes clear. With new techniques to control it, the rate of transformation can be increased, and the control of transformation properties is more stable. Although there is still room for improvement, it has already achieved results. In the future, we should forge ahead and explore even better methods.
Synonyms & Product Names
Ethylbenzene is also a thing of transformation. It is also a thing of the same name, and it also has a business name.
Ancient scholars studied this, and they knew that it had a general name. It is different from one another in the scriptures. Whether it is because of its nature, or because of its use, the reasons for its name vary.
Ethylbenzene has the same name, which is known to those who study this thing. The name of the business name is also involved in the general business affairs. According to its requirements, it can be seen that this thing has its own name in the field of transformation and the way of business. It is necessary to distinguish it before it can be transparent. So that the same business name can be clear, and it is beneficial to both business and commerce.
Ancient scholars studied this, and they knew that it had a general name. It is different from one another in the scriptures. Whether it is because of its nature, or because of its use, the reasons for its name vary.
Ethylbenzene has the same name, which is known to those who study this thing. The name of the business name is also involved in the general business affairs. According to its requirements, it can be seen that this thing has its own name in the field of transformation and the way of business. It is necessary to distinguish it before it can be transparent. So that the same business name can be clear, and it is beneficial to both business and commerce.
Safety & Operational Standards
Code of Safety and Operation for Ethylbenzene Products
For ethylbenzene, which is a common raw material in the chemical industry, its properties pose certain risks. Therefore, in the production, storage and use of all links, it is necessary to strictly abide by safety and operation standards to avoid disasters and ensure the safety and prosperity of everyone.
#1. Safety Characteristics
Ethylbenzene is flammable, and its vapor and air can form an explosive mixture. In case of open flame, high heat can ignite and detonate. Contact with oxidants will react violently. Its vapor is heavier than air and can spread to a considerable distance at a lower place. In case of ignition, it will ignite and backfire. It has a stimulating effect on the eyes and upper respiratory tract mucosa. High concentration inhalation can cause central nervous system inhibition, and long-term exposure can cause hematopoietic system damage.
#2. Operating Specifications
1. ** Production Operations **
In the production workshop, when ensuring good ventilation, a combustible gas alarm device is set up. Operators must be professionally trained and strictly abide by the operating procedures. When feeding, accurate measurement should be made, and materials should be added in sequence to prevent the reaction from getting out of control. During the reaction process, closely monitor temperature, pressure and other parameters. If there is any abnormality, quickly start the emergency response plan.
2. ** Storage Requirements **
Ethylbenzene should be stored in a cool and ventilated warehouse, away from fire and heat sources. The storage temperature should not exceed 37 ° C, and keep the container sealed. It should be stored separately from oxidants and acids, and mixed storage should not be avoided. Explosion-proof lighting and ventilation facilities should be used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.
3. ** Transportation Note **
The tank (tank) used during transportation should have a grounding chain, and holes can be set in the tank to baffle to reduce shock and generate static electricity. It is strictly forbidden to mix and transport with oxidants, acids, etc. During transportation, it should be protected from exposure to the sun, rain, and high temperature. Stay away from fire, heat sources, and high temperature areas during stopovers. The exhaust pipe of the vehicle must have a fire arresting device.
#3. Emergency response
#If ethylbenzene leakage occurs, quickly evacuate the personnel from the leakage contaminated area to the safe area, and isolate them, strictly restricting access. Cut off the fire source. Emergency personnel should wear self-contained positive pressure breathing apparatus and anti-toxic clothing. Cut off the source of leakage as much as possible. Prevent it from flowing into restricted spaces such as sewers and drainage ditches. Small leaks: absorb with activated carbon or other inert materials. It can also be scrubbed with an emulsion made of non-flammable dispersants, and the lotion is diluted and placed into the wastewater system. Large leaks: build a dike or dig a pit for containment. Cover with foam to reduce vapor disasters. Use an explosion-proof pump to transfer to a tanker or a special collector, and recycle or transport it to a waste treatment site for disposal.
In short, the safety and operation of ethylbenzene are related to human life and the rise and fall of the industry. It must be carefully and strictly guarded to ensure long-term safety.
For ethylbenzene, which is a common raw material in the chemical industry, its properties pose certain risks. Therefore, in the production, storage and use of all links, it is necessary to strictly abide by safety and operation standards to avoid disasters and ensure the safety and prosperity of everyone.
#1. Safety Characteristics
Ethylbenzene is flammable, and its vapor and air can form an explosive mixture. In case of open flame, high heat can ignite and detonate. Contact with oxidants will react violently. Its vapor is heavier than air and can spread to a considerable distance at a lower place. In case of ignition, it will ignite and backfire. It has a stimulating effect on the eyes and upper respiratory tract mucosa. High concentration inhalation can cause central nervous system inhibition, and long-term exposure can cause hematopoietic system damage.
#2. Operating Specifications
1. ** Production Operations **
In the production workshop, when ensuring good ventilation, a combustible gas alarm device is set up. Operators must be professionally trained and strictly abide by the operating procedures. When feeding, accurate measurement should be made, and materials should be added in sequence to prevent the reaction from getting out of control. During the reaction process, closely monitor temperature, pressure and other parameters. If there is any abnormality, quickly start the emergency response plan.
2. ** Storage Requirements **
Ethylbenzene should be stored in a cool and ventilated warehouse, away from fire and heat sources. The storage temperature should not exceed 37 ° C, and keep the container sealed. It should be stored separately from oxidants and acids, and mixed storage should not be avoided. Explosion-proof lighting and ventilation facilities should be used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.
3. ** Transportation Note **
The tank (tank) used during transportation should have a grounding chain, and holes can be set in the tank to baffle to reduce shock and generate static electricity. It is strictly forbidden to mix and transport with oxidants, acids, etc. During transportation, it should be protected from exposure to the sun, rain, and high temperature. Stay away from fire, heat sources, and high temperature areas during stopovers. The exhaust pipe of the vehicle must have a fire arresting device.
#3. Emergency response
#If ethylbenzene leakage occurs, quickly evacuate the personnel from the leakage contaminated area to the safe area, and isolate them, strictly restricting access. Cut off the fire source. Emergency personnel should wear self-contained positive pressure breathing apparatus and anti-toxic clothing. Cut off the source of leakage as much as possible. Prevent it from flowing into restricted spaces such as sewers and drainage ditches. Small leaks: absorb with activated carbon or other inert materials. It can also be scrubbed with an emulsion made of non-flammable dispersants, and the lotion is diluted and placed into the wastewater system. Large leaks: build a dike or dig a pit for containment. Cover with foam to reduce vapor disasters. Use an explosion-proof pump to transfer to a tanker or a special collector, and recycle or transport it to a waste treatment site for disposal.
In short, the safety and operation of ethylbenzene are related to human life and the rise and fall of the industry. It must be carefully and strictly guarded to ensure long-term safety.
Application Area
"On the application field of ethylbenzene"
Ethylbenzene is also a chemical substance. Its application field is quite extensive. In industry, ethylbenzene is often used as a raw material to make styrene. Styrene has a wide range of uses and can be used to make plastics, rubber and many other products. It plays an important role in people's livelihood and industry.
Furthermore, in the field of organic synthesis, ethylbenzene is also a key intermediate. With its special chemical structure, it can participate in a variety of reactions, helping chemists synthesize complex organic compounds and promoting the development of organic chemistry.
In addition, in some fine chemical products, ethylbenzene is also involved. Its unique properties can give specific properties to products to meet the needs of different industries. Overall, ethylbenzene has important applications in many fields of chemical industry, with far-reaching impact.
Ethylbenzene is also a chemical substance. Its application field is quite extensive. In industry, ethylbenzene is often used as a raw material to make styrene. Styrene has a wide range of uses and can be used to make plastics, rubber and many other products. It plays an important role in people's livelihood and industry.
Furthermore, in the field of organic synthesis, ethylbenzene is also a key intermediate. With its special chemical structure, it can participate in a variety of reactions, helping chemists synthesize complex organic compounds and promoting the development of organic chemistry.
In addition, in some fine chemical products, ethylbenzene is also involved. Its unique properties can give specific properties to products to meet the needs of different industries. Overall, ethylbenzene has important applications in many fields of chemical industry, with far-reaching impact.
Research & Development
I am committed to the research and development of Ethylbenzene products. I know that this product is used in the chemical industry and has a wide range of uses, which is related to the rise and fall of many industries.
At the beginning, I explored the method of its preparation, tested many times, and strived to improve. From the selection of raw materials to the conditions of the reaction, we have carefully studied. However, the process is difficult, and we often encounter problems. The yield and purity of the reaction need to be repeatedly thought and improved.
After that, we will get something, and we will put a lot of effort into the process optimization. Make the reaction more efficient and the product quality can be improved. However, the road to development is endless, and the market demand is changing day by day. We need to think about how to reduce costs and increase efficiency to cope with the competition situation. I am dedicated to the research and development of Ethylbenzene and further innovation, contributing to the chemical industry.
At the beginning, I explored the method of its preparation, tested many times, and strived to improve. From the selection of raw materials to the conditions of the reaction, we have carefully studied. However, the process is difficult, and we often encounter problems. The yield and purity of the reaction need to be repeatedly thought and improved.
After that, we will get something, and we will put a lot of effort into the process optimization. Make the reaction more efficient and the product quality can be improved. However, the road to development is endless, and the market demand is changing day by day. We need to think about how to reduce costs and increase efficiency to cope with the competition situation. I am dedicated to the research and development of Ethylbenzene and further innovation, contributing to the chemical industry.
Toxicity Research
"On the Toxicity of Ethylbenzene"
Ethylbenzene is also a chemical substance. Today's detailed examination of its toxicity is related to everyone's health, and it is an important matter.
Research shows that ethylbenzene has certain toxicity. Its smell may cause dizziness and nausea. If you touch it for a long time, it may cause damage to the liver and kidneys. You can observe it on the way into the body, breathing and skin.
Taste various experiments to test its toxicity. When mice touch it, their physiology may change. However, we also know that the appearance of its toxicity depends on the dose and time. A small amount of short touch, or light harm; a large amount of long touch, the harm is serious.
For the well-being of all, the use of ethylbenzene should be regulated. When used in work, protection must be taken carefully, and workers must be protected from its harm. In this way, the danger of toxicity of ethylbenzene can be reduced and the health of the public can be maintained.
Ethylbenzene is also a chemical substance. Today's detailed examination of its toxicity is related to everyone's health, and it is an important matter.
Research shows that ethylbenzene has certain toxicity. Its smell may cause dizziness and nausea. If you touch it for a long time, it may cause damage to the liver and kidneys. You can observe it on the way into the body, breathing and skin.
Taste various experiments to test its toxicity. When mice touch it, their physiology may change. However, we also know that the appearance of its toxicity depends on the dose and time. A small amount of short touch, or light harm; a large amount of long touch, the harm is serious.
For the well-being of all, the use of ethylbenzene should be regulated. When used in work, protection must be taken carefully, and workers must be protected from its harm. In this way, the danger of toxicity of ethylbenzene can be reduced and the health of the public can be maintained.
Future Prospects
Ethylbenzene is also a thing that has been transformed. I study it, and I hope for the future.
In today's scientific and technological development, the use of Ethylbenzene will become more and more difficult. In the field of engineering, or in general, the necessary materials for manufacturing will help the development. Its performance or better, it can meet more needs, so that the product can be refined.
And to ensure the prosperity of the product, those who study Ethylbenzene must also seek the clarity and efficiency of its method. Hope, its release is not harmful, and it is not harmful to the environment.
Our researchers are diligent and do not work hard, but keep their secrets. During the period, Ethylbenzene will not be widely used, and it will be used by the world to benefit the people.
In today's scientific and technological development, the use of Ethylbenzene will become more and more difficult. In the field of engineering, or in general, the necessary materials for manufacturing will help the development. Its performance or better, it can meet more needs, so that the product can be refined.
And to ensure the prosperity of the product, those who study Ethylbenzene must also seek the clarity and efficiency of its method. Hope, its release is not harmful, and it is not harmful to the environment.
Our researchers are diligent and do not work hard, but keep their secrets. During the period, Ethylbenzene will not be widely used, and it will be used by the world to benefit the people.
Where to Buy Ethylbenzene in China?
As a trusted Ethylbenzene manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery.
Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading Ethylbenzene supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the main uses of Ethylbenzene?
Ethylbenzene has a wide range of uses. First, in the chemical industry, it is a key raw material for the preparation of styrene. After dehydrogenation, ethylbenzene can be converted into styrene, which is the cornerstone of many polymer materials such as synthetic rubber and plastics. Polystyrene polymerized from styrene has good insulation and processability, and is widely used in electronic appliances, packaging and other fields; synthetic styrene-butadiene rubber is a widely used general rubber and is indispensable in tire manufacturing and other industries.
Second, ethylbenzene is also used as a solvent. It has good solubility and can dissolve many organic compounds. It can adjust the viscosity and drying speed of products in the production of paints, inks, adhesives, etc., and help in construction and film formation.
Furthermore, in the fragrance industry, ethylbenzene, although not directly used as a fragrance, can provide raw materials for the synthesis of certain compounds with unique aromas, enriching the fragrance category.
And in the petrochemical industry chain, ethylbenzene is an important link, related to crude oil processing and downstream production of fine chemical products, which is of great significance to promote the development of the chemical industry.
What are the physical properties of Ethylbenzene?
Ethylbenzene is one of the organic compounds. Its physical properties have several characteristics, let me tell you one by one.
Looking at its shape, under room temperature and pressure, ethylbenzene is in the shape of a colorless liquid, and its texture is clear and transparent, which can be seen as glass.
Smell its smell, ethylbenzene emits an aromatic smell, but although this gas has a fragrant state, it cannot be smelled for a long time, because it may be harmful to the human body.
As for its boiling point, it is about 136.19 ° C. This characteristic makes it possible that at the corresponding temperature, ethylbenzene will change from liquid to gaseous state. If placed in an open container and heated properly, it can be seen that it gradually vaporizes.
Its melting point is about -94.9 ° C. When the temperature drops below this point, ethylbenzene will solidify from a flowing liquid into a solid state, just as water freezes when it is cold.
The density of ethylbenzene is slightly lighter than that of water, about 0.867g/cm ³. If ethylbenzene and water are placed in the same container, ethylbenzene will float on water, just like oil floats on water.
Furthermore, ethylbenzene is slightly soluble in water, such as dripping oil into water, and the two are difficult to blend. However, it can be miscible with organic solvents such as ethanol and ether, just like water emulsion, and can be mixed evenly.
These are all the physical properties of ethylbenzene. It has important uses in many fields such as chemical industry. Only by knowing it can we make good use of it.
What are the production methods of Ethylbenzene?
There are roughly two methods for the preparation of ethylbenzene. The first is the alkylation reaction of benzene and ethylene, which is a method commonly used in industry. Under the action of a catalyst, benzene and ethylene combine to produce ethylbenzene. The catalysts used are mostly solid acids, such as zeolite, aluminum oxide supported metal catalysts, etc. The reaction conditions are mild, the conversion rate of ethylene is quite high, and the selectivity of ethylbenzene is also good.
The second is the alkylation reaction of benzene and ethanol. With an appropriate catalyst, benzene reacts with ethanol, dehydrates ethanol to ethylene, and then reacts with benzene to obtain ethylbenzene. In this path, ethanol comes from a wide range of sources, and the cost may be lower than that of ethylene. However, the reaction conditions are slightly difficult to control, and precise
There is also a process of preparing styrene by ethylbenzene dehydrogenation, and a small amount of ethylbenzene can be obtained by-product. At high temperature and in the presence of a catalyst, ethylbenzene dehydrogenates to produce styrene, and some unreacted ethylbenzene can be recycled. This is also one of the sources of ethylbenzene. In short, various preparation methods have advantages and disadvantages, and it is necessary to comprehensively weigh and choose the appropriate one according to the actual situation, such as raw material availability, cost, product quality requirements and other factors.
What are the precautions for storing and transporting Ethylbenzene?
Ethylbenzene, an organic compound, requires careful attention during storage and transportation.
When storing, the first location should be selected. When choosing a cool and ventilated warehouse, away from fire and heat sources, so as to avoid the danger caused by heat. The temperature of the warehouse should be controlled and should not be too high to prevent the volatilization of ethylbenzene from intensifying and increasing the risk.
In addition, ethylbenzene is flammable, so fireworks are strictly prohibited in the storage area, and should be stored separately from oxidants, acids, etc., and must not be mixed to avoid the scourge caused by chemical reactions. The storage container must be well sealed to prevent the leakage of ethylbenzene, pollute the environment, and endanger safety.
As for transportation, transportation vehicles should have corresponding qualifications and take protective measures. During the transportation of ethylbenzene, it is necessary to ensure that the container is stable and will not be damaged and leaked due to bumps and collisions. Transportation personnel should also be familiar with the characteristics of ethylbenzene and emergency treatment methods. In case of emergencies, they can properly deal with it.
The planning of transportation routes should not be ignored. Sensitive areas such as water sources and densely populated areas should be avoided to prevent major hazards from leakage. And transportation periods should also be considered, and traffic peaks should be avoided as much as possible to ensure smooth and safe transportation. In short, the storage and transportation of ethylbenzene is related to safety and the environment. It should not be slack a little, and it must be done in accordance with regulations to ensure safety.
What are the effects of Ethylbenzene on the environment and human health?
The author of "Heavenly Works and Objects" is an ancient scientific and technological book, and the writing is quaint and elegant. Today, I will answer you with its style.
Those who have ethylbenzene are also things that melt away. Its environment is very harmful. If ethylbenzene is in the wild, it enters rivers, lakes and seas, and aquatic things are spared from it. Or it is poisonous, causing its species to wither; or it is stained with water and soil, hindering the growth of plants and trees. The soil contains it, and the strength of the earth drops, and the crops, vegetables and fruits planted are all harmed by it, and the food may also be unfavorable to people.
As for human health, ethylbenzene is also deeply harmful. If a person is exposed to the environment containing ethylbenzene, it is easy to breathe into his lungs, causing respiratory diseases, coughing and wheezing. And ethylbenzene can make people feel dizzy, depressed, and mentally depressed. If a woman receives too much, or gives birth, she may suffer from it and cause deformities.
In addition, ethylbenzene also stimulates the skin, which may cause pain. Therefore, ethylbenzene is not only a big problem in the environment, but also a health problem. It is necessary to be careful to prevent it from being stained and avoid its invasion, so as to ensure the clarity of the environment and personal safety.
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