Linshang Chemical
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1,4-Bis(Bromomethyl)Benzene~Alpha,Alpha-Dichloro-P-Xylene
Linshang Chemical
|
HS Code |
919754 |
| Chemical Formula | C8H8Br2 |
| Molar Mass | 277.96 g/mol |
| Appearance | White to off - white solid |
| Boiling Point | Approx. 300 °C |
| Melting Point | 112 - 115 °C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in common organic solvents like benzene, toluene |
| Density | Approx. 1.94 g/cm³ |
| Flash Point | High (relatively non - flammable) |
| Vapor Pressure | Low at room temperature |
As an accredited 1,4-Bis(Bromomethyl)Benzene~Alpha,Alpha-Dichloro-P-Xylene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 1,4 - bis(bromomethyl)benzene-α,α - dichloro - p - xylene in sealed chemical - grade containers. |
| Storage | 1,4 - bis(bromomethyl)benzene and α,α - dichloro - p - xylene should be stored in a cool, dry, well - ventilated area, away from sources of heat, ignition, and oxidizing agents. They are likely to be stored in tightly - sealed containers, preferably made of materials resistant to their reactivity. Keep them in a dedicated chemical storage cabinet to prevent potential cross - contamination. Handle with care due to their potential toxicity and reactivity. |
| Shipping | 1,4 - bis(bromomethyl)benzene and α,α - dichloro - p - xylene are hazardous chemicals. Shipping requires proper packaging in accordance with regulations, labeled clearly, and transported by carriers licensed for such substances. |
Competitive 1,4-Bis(Bromomethyl)Benzene~Alpha,Alpha-Dichloro-P-Xylene prices that fit your budget—flexible terms and customized quotes for every order.
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What are the main uses of 1,4-bis (bromomethyl) benzene~ α, α-dichloro-p-xylene?
1% 2C4 -bis (hydroxymethyl) benzene ~α，α - dioxy-p-xylene is an important compound in organic chemistry. Its main uses are quite extensive, and it plays a key role in many fields such as materials science and organic synthesis.
In the field of materials science, this compound is often used as a raw material for the synthesis of polymer materials with special properties. Because its structure contains specific functional groups, it can be linked to other monomers through polymerization, thus giving polymer materials unique physical and chemical properties. For example, polymers made from it may have good heat resistance, mechanical properties and chemical stability, so they are widely used in high-end fields such as aerospace, electronics and electrical appliances. Aerospace vehicles require materials that can withstand extreme temperatures and mechanical stresses. Such materials based on the synthesis of 1% 2C4-bis (hydroxymethyl) benzene ~α，α - dioxy-p-xylene may meet this demand.
In the field of organic synthesis, 1% 2C4-bis (hydroxymethyl) benzene ~α，α - dioxy-p-xylene is an important intermediate. Due to its active structure, it can participate in a variety of organic reactions, such as esterification, etherification, condensation, etc., to construct more complex organic molecular structures. Organic synthesis chemists can use this compound as a starting material to synthesize bioactive drug molecules, functional dyes and fragrances and other fine chemicals by ingeniously designing reaction pathways. For example, in the synthesis of some new anticancer drugs, or with this compound as the key intermediate, molecular structures with specific pharmacological activities are constructed through multi-step reactions.
In the field of materials science, this compound is often used as a raw material for the synthesis of polymer materials with special properties. Because its structure contains specific functional groups, it can be linked to other monomers through polymerization, thus giving polymer materials unique physical and chemical properties. For example, polymers made from it may have good heat resistance, mechanical properties and chemical stability, so they are widely used in high-end fields such as aerospace, electronics and electrical appliances. Aerospace vehicles require materials that can withstand extreme temperatures and mechanical stresses. Such materials based on the synthesis of 1% 2C4-bis (hydroxymethyl) benzene ~α，α - dioxy-p-xylene may meet this demand.
In the field of organic synthesis, 1% 2C4-bis (hydroxymethyl) benzene ~α，α - dioxy-p-xylene is an important intermediate. Due to its active structure, it can participate in a variety of organic reactions, such as esterification, etherification, condensation, etc., to construct more complex organic molecular structures. Organic synthesis chemists can use this compound as a starting material to synthesize bioactive drug molecules, functional dyes and fragrances and other fine chemicals by ingeniously designing reaction pathways. For example, in the synthesis of some new anticancer drugs, or with this compound as the key intermediate, molecular structures with specific pharmacological activities are constructed through multi-step reactions.
What are the physical properties of 1,4-bis (bromomethyl) benzene~ α, α-dichloro p-xylene
1%2C4-%E5%8F%8C%28%E6%BA%B4%E7%94%B2%E5%9F%BA%29%E8%8B%AF%7E%CE%B1%2C%CE%B1-%E4%BA%8C%E6%B0%AF%E5%AF%B9%E4%BA%8C%E7%94%B2%E8%8B%AF, this is an organic compound, its physical properties are unique, let me come to you one by one.
Looking at its shape, under normal circumstances, it is mostly colorless to light yellow liquid, with a clear and transparent texture, like a clear spring, refracting smart light. Approaching and sniffing, it emits a weak and specific smell, although not pungent, it can also make people feel its unique existence.
When it comes to boiling point, it is about a certain temperature range. This property allows it to quietly transform from liquid to gas under specific conditions, such as clouds rising, showing the wonderful changes in the state of matter. The melting point is also in the corresponding range. When the temperature drops to a certain value, it will condense from liquid to solid, just like a time freezing frame, giving it a different shape.
In terms of solubility, in organic solvents, it is like a wanderer returning home, which can be well dissolved. It fuses with various organic solvents, such as ethanol, ether, etc., like an intimate partner. However, in water, its solubility is extremely limited, just like the incompatibility of oil and water, only slightly soluble in water, showing a state of alienation.
In terms of density, compared with water, it has a specific value, either lighter or heavier than water. This difference makes it when mixed with water, either floating on the water surface or sinking on the bottom, showing different spatial positional relationships.
In addition, the volatility of the compound cannot be ignored. Under suitable environmental conditions, it can evaporate slowly, like a spirit hidden in the air, quietly spreading, making the surrounding air filled with its unique smell.
This 1%2C4-%E5%8F%8C%28%E6%BA%B4%E7%94%B2%E5%9F%BA%29%E8%8B%AF%7E%CE%B1%2C%CE%B1-%E4%BA%8C%E6%B0%AF%E5%AF%B9%E4%BA%8C%E7%94%B2%E8%8B%AF, with its unique physical properties, occupies an indispensable position in the field of organic chemistry, laying the foundation for many chemical research and applications.
Looking at its shape, under normal circumstances, it is mostly colorless to light yellow liquid, with a clear and transparent texture, like a clear spring, refracting smart light. Approaching and sniffing, it emits a weak and specific smell, although not pungent, it can also make people feel its unique existence.
When it comes to boiling point, it is about a certain temperature range. This property allows it to quietly transform from liquid to gas under specific conditions, such as clouds rising, showing the wonderful changes in the state of matter. The melting point is also in the corresponding range. When the temperature drops to a certain value, it will condense from liquid to solid, just like a time freezing frame, giving it a different shape.
In terms of solubility, in organic solvents, it is like a wanderer returning home, which can be well dissolved. It fuses with various organic solvents, such as ethanol, ether, etc., like an intimate partner. However, in water, its solubility is extremely limited, just like the incompatibility of oil and water, only slightly soluble in water, showing a state of alienation.
In terms of density, compared with water, it has a specific value, either lighter or heavier than water. This difference makes it when mixed with water, either floating on the water surface or sinking on the bottom, showing different spatial positional relationships.
In addition, the volatility of the compound cannot be ignored. Under suitable environmental conditions, it can evaporate slowly, like a spirit hidden in the air, quietly spreading, making the surrounding air filled with its unique smell.
This 1%2C4-%E5%8F%8C%28%E6%BA%B4%E7%94%B2%E5%9F%BA%29%E8%8B%AF%7E%CE%B1%2C%CE%B1-%E4%BA%8C%E6%B0%AF%E5%AF%B9%E4%BA%8C%E7%94%B2%E8%8B%AF, with its unique physical properties, occupies an indispensable position in the field of organic chemistry, laying the foundation for many chemical research and applications.
What are the chemical properties of 1,4-bis (bromomethyl) benzene~ α, α-dichloro p-xylene
1% 2C4 -bis (cyanomethyl) benzene ~α，α - dioxy-p-xylene, its chemical properties are as follows:
This compound contains cyanomethyl and benzene ring-linked structure, cyano (-CN) has strong electron-withdrawing property, which can affect the electron cloud density of benzene ring. In the electrophilic substitution reaction, due to the electron-withdrawing induction effect of cyanyl group, the electron cloud density of benzene ring is reduced, the reactivity is decreased compared with benzene, and the substituent group mainly enters the meso-site.
α，α - part of dioxy-p-xylene, and there are oxygen atoms on the α-carbon connected to the benzene ring, which makes α-hydrogen have a certain activity. Under alkaline conditions, α-hydrogen can be taken away by bases to form carbon anions, which can then undergo nucleophilic reactions, such as reacting with halogenated hydrocarbons to form new carbon-carbon bonds.
The compound can also undergo redox reactions. The cyanyl group can be reduced to an amino group (-NH2O) under specific conditions. If a suitable oxidant is used, the side chain on the benzene ring may be oxidized. For example, the hydrogen on α-carbon is oxidized to hydroxyl groups, carboxyl groups, etc.
In addition, in terms of its physical properties, the compound is mostly solid at room temperature, and has a certain melting point due to the existence of van der Waals forces between molecules and the weak interactions that may be formed between cyanyl groups. In organic solvents, such as dichloromethane, tetrahydrofuran, etc., there is a certain solubility, but in water, the solubility is low because of its relatively small molecular polarity and weak interaction with water.
This compound contains cyanomethyl and benzene ring-linked structure, cyano (-CN) has strong electron-withdrawing property, which can affect the electron cloud density of benzene ring. In the electrophilic substitution reaction, due to the electron-withdrawing induction effect of cyanyl group, the electron cloud density of benzene ring is reduced, the reactivity is decreased compared with benzene, and the substituent group mainly enters the meso-site.
α，α - part of dioxy-p-xylene, and there are oxygen atoms on the α-carbon connected to the benzene ring, which makes α-hydrogen have a certain activity. Under alkaline conditions, α-hydrogen can be taken away by bases to form carbon anions, which can then undergo nucleophilic reactions, such as reacting with halogenated hydrocarbons to form new carbon-carbon bonds.
The compound can also undergo redox reactions. The cyanyl group can be reduced to an amino group (-NH2O) under specific conditions. If a suitable oxidant is used, the side chain on the benzene ring may be oxidized. For example, the hydrogen on α-carbon is oxidized to hydroxyl groups, carboxyl groups, etc.
In addition, in terms of its physical properties, the compound is mostly solid at room temperature, and has a certain melting point due to the existence of van der Waals forces between molecules and the weak interactions that may be formed between cyanyl groups. In organic solvents, such as dichloromethane, tetrahydrofuran, etc., there is a certain solubility, but in water, the solubility is low because of its relatively small molecular polarity and weak interaction with water.
What is the production method of 1,4-bis (bromomethyl) benzene~ α, α-dichloro-p-xylene
1%2C4-%E5%8F%8C%28%E6%BA%B4%E7%94%B2%E5%9F%BA%29%E8%8B%AF%7E%CE%B1%2C%CE%B1-%E4%BA%8C%E6%B0%AF%E5%AF%B9%E4%BA%8C%E7%94%B2%E8%8B%AF%E7%9A%84%E7%94%9F%E4%BA%A7%E6%96%B9%E6%B3%95%EF%BC%8C%E6%9C%AC%E6%98%AF%E5%88%9B%E6%96%B0%E5%8C%96%E5%AD%A6%E5%9B%A2%E9%98%9F%E5%BF%85%E7%9C%8B%E4%B9%8B%E6%96%B9%E3%80%82
There are two methods, one is based on 2-chloroethylbenzene, through multi-step transformation. First, 2-chloroethylbenzene interacts with magnesium to form Grignard's reagent, which is quite active. Later, it meets with dibromomethane to produce 1,4-bis (bromomethyl) benzene. Then make 1,4-bis (bromomethyl) benzene co-set with metal zinc and acid, and through reductive coupling, obtain α, α '-dibromomethylene.
Both, starting with p-xylene. First, by the power of light or initiator, p-xylene interacts with bromine, and the method of free radical substitution is carried out. The methylhydrogen activity of p-xylene is higher, and the bromine atom is preferred to obtain α, α '-dibromo-p-xylene. In this process, attention should be paid to the control of reaction conditions. The intensity of light, the level of temperature, and the amount of bromine are all related to the purity and amount of the product.
Preparation methods have advantages and disadvantages. Although the former step is complicated, the purity of the product is easy to control; the latter The starting material is common, the operation is simple, but there are many side reactions. To obtain a good product, you must carefully observe the mechanism and adjust the conditions.
There are two methods, one is based on 2-chloroethylbenzene, through multi-step transformation. First, 2-chloroethylbenzene interacts with magnesium to form Grignard's reagent, which is quite active. Later, it meets with dibromomethane to produce 1,4-bis (bromomethyl) benzene. Then make 1,4-bis (bromomethyl) benzene co-set with metal zinc and acid, and through reductive coupling, obtain α, α '-dibromomethylene.
Both, starting with p-xylene. First, by the power of light or initiator, p-xylene interacts with bromine, and the method of free radical substitution is carried out. The methylhydrogen activity of p-xylene is higher, and the bromine atom is preferred to obtain α, α '-dibromo-p-xylene. In this process, attention should be paid to the control of reaction conditions. The intensity of light, the level of temperature, and the amount of bromine are all related to the purity and amount of the product.
Preparation methods have advantages and disadvantages. Although the former step is complicated, the purity of the product is easy to control; the latter The starting material is common, the operation is simple, but there are many side reactions. To obtain a good product, you must carefully observe the mechanism and adjust the conditions.
What are the precautions for the use of 1,4-bis (bromomethyl) benzene~ α, α-dichloro-p-xylene?
1% 2C4-Bis (hydroxymethyl) benzene ~α,α - dioxy-p-xylene is a commonly used material in the chemical industry. When using it, be careful.
Safety is the first priority. These two have certain chemical activity, or risk of explosion. When storing and using, avoid open flames, hot topics, and place in a cool and well-ventilated place. When handling, handle it with care to prevent material leakage due to package damage. If it leaks accidentally, deal with it immediately according to emergency methods, isolate the scene, evacuate everyone, and keep unrelated people away.
Times and protection. Contact with this object, protective gear is indispensable. The operator wears protective gloves and goggles in front of suitable protective clothing to prevent the material from coming into contact with the skin and eyes. If in contact, rinse quickly with plenty of water, and seek medical treatment in severe cases. In poorly ventilated places, it is advisable to wear a gas mask to avoid inhaling its volatile gas and damaging the respiratory system.
Furthermore, it is a standard operation. Before use, be familiar with its properties, uses and operation methods, and act according to the procedures. When preparing the solution, measure it accurately, add it slowly, and keep stirring to prevent local overheating or overreaction. During the reaction process, observe it closely, and control temperature, pressure and other conditions to ensure a stable reaction.
In addition, waste disposal should not be ignored. Do not discard used containers, residual materials and reaction waste at will. When collected in accordance with environmental protection regulations, handle them with qualified personnel, and avoid polluting the environment.
Use 1% 2C4 -bis (hydroxymethyl) benzene ~α,α - dioxy-p-xylene. Safety, protection, standardized operation and waste disposal must be carefully treated to avoid disasters and ensure smooth production and scientific research.
Safety is the first priority. These two have certain chemical activity, or risk of explosion. When storing and using, avoid open flames, hot topics, and place in a cool and well-ventilated place. When handling, handle it with care to prevent material leakage due to package damage. If it leaks accidentally, deal with it immediately according to emergency methods, isolate the scene, evacuate everyone, and keep unrelated people away.
Times and protection. Contact with this object, protective gear is indispensable. The operator wears protective gloves and goggles in front of suitable protective clothing to prevent the material from coming into contact with the skin and eyes. If in contact, rinse quickly with plenty of water, and seek medical treatment in severe cases. In poorly ventilated places, it is advisable to wear a gas mask to avoid inhaling its volatile gas and damaging the respiratory system.
Furthermore, it is a standard operation. Before use, be familiar with its properties, uses and operation methods, and act according to the procedures. When preparing the solution, measure it accurately, add it slowly, and keep stirring to prevent local overheating or overreaction. During the reaction process, observe it closely, and control temperature, pressure and other conditions to ensure a stable reaction.
In addition, waste disposal should not be ignored. Do not discard used containers, residual materials and reaction waste at will. When collected in accordance with environmental protection regulations, handle them with qualified personnel, and avoid polluting the environment.
Use 1% 2C4 -bis (hydroxymethyl) benzene ~α,α - dioxy-p-xylene. Safety, protection, standardized operation and waste disposal must be carefully treated to avoid disasters and ensure smooth production and scientific research.
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