Chemical Formula | C12H14 |
Molecular Weight | 158.24 g/mol |
Appearance | Colorless to pale - yellow liquid |
Boiling Point | 218 - 224 °C |
Density | 0.90 - 0.91 g/cm³ |
Flash Point | 84 °C |
Solubility | Insoluble in water, soluble in organic solvents like ethanol, ether |
Vapor Pressure | Low vapor pressure at room temperature |
Odor | Aromatic odor |
What are the main uses of M-diisopropenylbenzene?
M-diisopropylbenzene has a wide range of uses. It is a key raw material in the field of polymerization. The polymer prepared by it has many excellent properties, such as high mechanical strength and good heat resistance. In the synthetic rubber industry, it can be used as a cross-linking agent to improve the physical properties of rubber, making it more wear-resistant and aging-resistant, like adding a tough armor to rubber.
In the paint and adhesive industry, M-diisopropylbenzene also plays an important role. It can optimize the film-forming performance of coatings, making the coating denser and flatter, and enhancing the adhesion to the substrate. It is like a strong and beautiful protective clothing for objects. In adhesives, it can improve its bonding strength and weather resistance, ensuring that objects are firmly connected for a long time.
Furthermore, in the field of fine chemicals, it is an important intermediate for the synthesis of special structures and functional compounds. With its unique molecular structure, it can undergo a series of chemical reactions to derive various fine chemicals with special purposes, such as special additives for electronic materials, medicine and other fields, which is like opening the key to the world of multi-functional materials.
What are the physical properties of M-diisopropenylbenzene?
M-diisopropenylbenzene is one of the organic compounds. Its physical properties are quite specific, and it has important uses in many fields.
Looking at its properties, under normal temperature and pressure, it often takes the form of a colorless to light yellow transparent liquid. Its odor is unique and has a certain aromatic smell. The boiling point of this substance is within a specific temperature range. Due to the existence of specific functional groups and carbon chain structures in the molecular structure, the intermolecular force reaches a certain degree, so the boiling point can be maintained in this range. Its melting point is also affected by similar structural factors, and it is in the corresponding low temperature range, giving the substance the characteristic of changing from solid to liquid under specific temperature conditions.
The density of M-diisopropenylbenzene is different from that of water. Due to the molecular composition and atomic arrangement, its density value presents a specific value. In chemical operations and applications, this density characteristic is related to the mixing and separation of substances. Furthermore, its solubility is also a key property. In organic solvents such as aromatics and halogenated hydrocarbons, it exhibits good solubility. This is based on the principle of similarity and compatibility. The polarity of the molecular structure is similar to that of organic solvents, so that the two can be miscible with each other; however, in water, the solubility is poor, because its molecular polarity is weak, and the force between water molecules is difficult to overcome the hydrogen bond of water, so it is difficult to dissolve. < Br >
Its volatility cannot be ignored. Under appropriate temperature and environmental conditions, it can evaporate into the air. This property needs to be properly considered in storage and use scenarios to ensure safe and effective use. And its refractive index presents a certain value due to the distribution of intracellular electron clouds and chemical bond characteristics. This value can be used for the detection and identification of material purity, providing an important basis for chemical production and quality control.
All the above physical properties are determined by the unique molecular structure of M-diisopropylbenzene, and play a decisive role in its application in chemical synthesis, material preparation and other fields.
What are the chemical properties of M-diisopropenylbenzene?
M-diisopropenylbenzene is an organic compound. It has unique chemical properties. This substance contains diisopropenyl group and benzene ring structure, so it shows active chemical activity.
When it comes to reactivity, the carbon-carbon double bond in the isopropenyl group of M-diisopropenylbenzene can occur in many addition reactions. If it is added to halogens, it can be electrophilic, and halogen molecules such as chlorine and bromine can break this double bond under suitable conditions to form corresponding halogenates. It can also be added to hydrogen halide to obtain halogenated hydrocarbons. It can also be added to water under the action of acidic catalysts to form alcohols.
It also has important performance in polymerization reactions. Due to the existence of double bonds, it can participate in polymerization as a monomer. Under the action of an initiator, multiple M-diisopropenylbenzene monomers are connected to each other to form a polymer. This polymer is used in the field of materials or has specific applications, such as the preparation of special properties of resins.
In addition, the properties of the benzene ring also affect its overall chemical behavior. Although the benzene ring is relatively stable, under certain conditions, electrophilic substitution reactions can occur, such as nitrification, sulfonation, etc. Treated with a mixed acid of nitric acid and sulfuric acid, the hydrogen on the benzene ring can be replaced by nitro groups to form derivatives containing nitro groups; when heated with concentrated sulfuric acid, sulfonic acid groups can be introduced
and M-diisopropylbenzene contains double bonds, which are sensitive to oxidants and can be oxidized by specific oxidants, causing the double bonds to change and generate different oxidation products. Its chemical properties are rich and diverse, and it may have considerable application potential in organic synthesis, material preparation and other fields.
What is M-diisopropenylbenzene production method?
M-diisopropylbenzene is also an organic compound. There are several common methods for its preparation.
First, m-diethylbenzene is used as a raw material and obtained by dehydrogenation. M-diethylbenzene is dehydrogenated to M-diisopropylbenzene under suitable catalyst, temperature and pressure conditions. The catalyst used here is usually an oxide containing potassium, cerium and other elements supported by a carrier such as alumina. At a high temperature of about 500-600 ° C, an appropriate amount of water vapor is introduced to promote the dehydrogenation reaction and improve the yield and selectivity of the product. The effect of water vapor, one can dilute the reactants and products to reduce the occurrence of side reactions; the other can react with carbon deposits to maintain the activity of the catalyst.
Second, m-xylene and propylene are used as raw materials and prepared by alkylation reaction. Under the action of specific catalysts, such as selective molecular sieve catalysts, m-xylene and propylene undergo alkylation to form m-diisopropylbenzene, and then dehydrogenate to obtain M-diisopropylbenzene. In this process, the alkylation reaction needs to control the reaction temperature, pressure and raw material ratio to ensure the selectivity of m-diisopropylbenzene. Subsequent dehydrogenation reactions also require fine regulation of reaction parameters, which are similar to the above conditions for dehydrogenation of m-diethylbenzene. Attention should be paid to the maintenance of catalyst activity and product separation.
The process of preparing M-diisopropylbenzene requires strict control of various reaction conditions, attention to the purity of raw materials, the performance of catalysts, and the operation of reaction equipment, in order to achieve high yield and high purity product preparation purposes.
What is the market outlook for M-diisopropenylbenzene?
M-diisopropylbenzene is also an organic compound. Its market prospect is related to the chemical industry. Let's discuss it today.
At the end of industrial synthesis, M-diisopropylbenzene is an important raw material. The preparation of many high-performance polymers today often depends on its participation. For example, in the synthesis of special resins, this is used as a monomer to endow resins with excellent heat resistance and chemical corrosion resistance. Today's high-end fields such as electronics and aerospace require strict material properties, and the demand for such special resins is increasing, which drives the need for M-diisopropylbenzene.
Looking at the coating industry again, M-diisopropylbenzene can optimize the film-forming performance of coatings. After the coating is dried, the film layer has better hardness, wear resistance and gloss. With the pursuit of paint quality in construction, automotive and other industries, coatings containing M-diisopropylene-based benzene are expected to expand their market share.
However, its market also faces challenges. The production process is complex and the cost remains high, limiting its large-scale application. And similar alternative products also pose a threat to its market position. However, with the advance of technology, if the process can be optimized, the cost can be reduced and the efficiency can be increased, M-diisopropylene-based benzene still has broad prospects. New application fields may also be developed with the deepening of research, and it is expected to bloom brighter on the stage of fine chemicals.