Chemical Formula | C10H10 |
Molar Mass | 130.186 g/mol |
Appearance | Colorless liquid |
Odor | Characteristic aromatic odor |
Density | 0.905 g/cm³ (at 20 °C) |
Boiling Point | 169 - 170 °C |
Melting Point | -82.8 °C |
Flash Point | 49 °C |
Solubility In Water | Insoluble |
Solubility In Organic Solvents | Soluble in many organic solvents |
What are the main uses of Vinylethylbenzene?
Vinyl ethylbenzene is also an organic compound. It has a wide range of uses and is often used as a raw material for the preparation of polymer polymers in the field of industry.
First, it is used in the production of synthetic resins. For example, polystyrene resins can be made. This resin has good physical properties, such as high hardness and good insulation. It is widely used in electronic and electrical shells, packaging materials, etc. Based on it, through polymerization, polymers with different properties can be obtained to meet a variety of industrial needs.
Second, it is also used in the rubber industry. It can participate in the synthesis of special rubber to improve the properties of rubber, such as enhancing its heat resistance and wear resistance, so that rubber products can play a stable role in special environments, and is used in the manufacture of automobile tires, seals, etc.
Third, it can also be seen in the field of coatings. After chemical transformation, it can become a key component of coatings, giving coatings good adhesion, corrosion resistance, etc., and is widely used in surface coating in construction, machinery and other fields.
Furthermore, in the synthesis of medicine and fragrances, vinyl ethylbenzene is also an important intermediate. Through a series of chemical reactions, a variety of compounds with biological activity or special fragrance can be derived, promoting the development of the pharmaceutical and fragrance industries.
To sum up, vinyl ethylbenzene has a unique chemical structure and plays an indispensable role in many fields. It is an important raw material for industrial production and scientific research.
What are the physical properties of Vinylethylbenzene?
Vinyl ethylbenzene is one of the organic compounds. Its physical properties are unique, let me tell them one by one.
Looking at its appearance, under normal circumstances, it is mostly a colorless to light yellow transparent liquid, just like a clear spring, clear and transparent, but faintly glowing with a faint yellow light, like the color of the first morning light. Its smell is slightly fragrant, but it is not a rich and pungent fragrance. It is a fresh and subtle smell that seems to tickle people's olfactory nerves.
When it comes to volatility, vinyl ethylbenzene has this property. In a room temperature environment, its molecules are like lively spirits, which easily escape into the surrounding air. And because of its volatility, in a confined space, special attention should be paid to prevent gas accumulation.
Besides, the density of vinyl ethylbenzene is slightly smaller than that of water. If it is placed in one place with water, it can be seen that it floats lightly on the water surface, just like a boat, leisurely.
Solubility is also an important physical property. Vinyl ethylbenzene can blend well with organic solvents such as ethanol and ether in organic solvents. However, in water, its solubility is not good, and the two seem to be distinct and difficult to blend.
In addition, the boiling point of vinyl ethylbenzene is also a specific value. When the outside temperature rises to a certain level, it is like the chrysalis of a butterfly, changing from liquid to gaseous and starting to boil. The characteristics of this boiling point are crucial in chemical separation, purification and other processes, and can provide accurate temperature basis for operation.
As for the melting point, when the temperature drops to a certain critical point, vinyl ethylbenzene will solidify from flowing liquid to solid state. The value of this melting point is also a key indicator of its physical properties, and has important guiding significance for its storage, transportation and other aspects.
What are the chemical properties of Vinylethylbenzene?
Vinyl ethylbenzene is also an organic compound. It has the structure of an alkenyl group and a benzene ring, so it has unique chemical properties.
In this compound, the alkenyl group is active and can perform an addition reaction. In case of bromine water, the double bond of the alkenyl group can be broken, and it is added to bromine, causing bromine water to fade. This is a typical reaction of olefins. In the presence of an appropriate catalyst, it can also be added to hydrogen, and the alkenyl group is converted to an alkyl group. The hydrogenation of the benzene ring requires more severe conditions, because the benzene ring is aromatic and has a stable structure.
Vinyl ethylbenzene can participate in the polymerization reaction. The alkenyl double bond is opened, connected to each other, and polymerized into a polymer compound, which is widely used And it is flammable. Under appropriate conditions, it reacts with oxygen to form carbon dioxide and water, and the flame is bright when burned.
And because it contains a benzene ring, it has some properties of benzene. Although the benzene ring is relatively stable, under specific reagents and conditions, substitution reactions can occur, such as halogenation, nitrification, etc. The position of the substitution reaction is affected by the localization effect of the substituent in vinyl ethylbenzene. Vinyl is an ortho-and para-localization group, so that subsequent substitution reactions mostly occur in the ortho-and para-position of the benzene ring. The chemical properties of
vinyl ethylbenzene are determined by its structure. The coexistence of active alkenyl groups and stable benzene rings endows it with various reactive properties and plays an important role in organic synthesis and material preparation
What is the production process of Vinylethylbenzene?
The process of making vinyl ethylbenzene is particularly exquisite. The method first takes benzene and ethylene as the starting materials, enters it into a special kettle, and is accompanied by a suitable catalyst. This catalyst can speed up the reaction and lead it to ethylbenzene.
When benzene and ethylene phase combine, in a temperature and pressure environment, the two blend and gradually form ethylbenzene. Ethylbenzene has been obtained, and vinyl is reintroduced. This step is also to add vinyl to the ethylbenzene molecule, either with a specific reagent or by a subtle method.
In the process, the control of temperature and pressure is crucial. If the temperature is high, it should be fast, but it is afraid of miscellaneous reactions; if the temperature is low, it should be slow, which is time-consuming and laborious. Therefore, it must be adjusted to just the right temperature, so that the chemical should flow smoothly and the impurities are less raw. The degree of pressure also needs to be considered, and it should be coordinated with the temperature to promote the integrity of the reaction.
And in the process, the ratio of materials must be compared at all. The amount of benzene and ethylene should be at a specific rate. Too much or too little will hinder the purity and quantity of the product. Every step should be completed, and it must be analyzed in a delicate way to remove its impurities and improve its purity to obtain fine vinyl ethylbenzene. In this way, the process is interconnected, and all of them are indispensable, in order to make a good product.
What to pay attention to when storing and transporting Vinylethylbenzene
Vinyl ethylbenzene is an organic compound. During storage and transportation, many matters must be paid attention to to to prevent dangerous accidents.
The first thing to pay attention to is the storage temperature. Vinyl ethylbenzene should be stored in a cool and ventilated place, away from fire and heat sources. Because of its flammability, high temperature environments are prone to combustion and even the risk of explosion. The warehouse temperature should be controlled below 30 ° C to prevent the material from being dangerous due to excessive temperature.
The second is to avoid contact with oxidants. Vinyl ethylbenzene is prone to violent reactions with oxidants, causing fire or explosion. When storing, be sure to separate it from the oxidant and do not store it together.
Furthermore, the storage container must be well sealed. Vinyl ethylbenzene is volatile. If the container is not well sealed, the volatile gas will spread in the air, which will not only damage the material, but also increase the risk of fire and poisoning. Therefore, it is necessary to regularly check the sealing of the container. If there is any leakage, it should be dealt with in time.
When transporting, also pay attention to it. Transportation vehicles should be equipped with corresponding varieties and quantities of fire equipment and leakage emergency treatment equipment. Summer transportation should be carried out in the morning and evening to avoid high temperature periods. During transportation, make sure that the container does not leak, collapse, fall, or damage.
In addition, whether it is storage or transportation, relevant personnel should be familiar with the characteristics of vinyl ethylbenzene and emergency treatment methods. In case of leakage, quickly evacuate the personnel from the contaminated area to a safe area, isolate them, and strictly restrict access. Emergency personnel must wear self-contained positive pressure breathing apparatus and fire protection clothing to cut off the source of leakage as much as possible to prevent it from flowing into restricted spaces such as sewers and drainage ditches. In the event of a small leak, it can be absorbed by sand, vermiculite or other inert materials; in the event of a large leak, build a dike or dig a pit for containment, cover it with foam to reduce steam disasters, and transfer it to a tanker or a special collector with an explosion-proof pump for recycling or transportation to a waste treatment site for disposal. In this way, the safety of storage and transportation can be guaranteed.