Linshang Chemical
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1,3-Dibromo-2,5-Dichlorobenzene
Linshang Chemical
|
HS Code |
865629 |
| Chemical Formula | C6H2Br2Cl2 |
| Molar Mass | 328.79 g/mol |
| Appearance | Solid |
| Odor | Typical of halogenated aromatics |
| Melting Point | 106 - 108 °C |
| Boiling Point | 305 - 307 °C |
| Density | 2.225 g/cm³ (estimated for solid) |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in common organic solvents like benzene, toluene |
| Vapor Pressure | Very low at room temperature |
| Stability | Stable under normal conditions, but can react with strong oxidizing agents |
As an accredited 1,3-Dibromo-2,5-Dichlorobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1,3 - dibromo - 2,5 - dichlorobenzene packaged in 500 - gram bottles. |
| Storage | 1,3 - Dibromo - 2,5 - dichlorobenzene should be stored in a cool, dry, well - ventilated area, away from heat sources and ignition points. Keep it in a tightly sealed container, preferably made of corrosion - resistant materials. Store it separately from oxidizing agents, reducing agents, and reactive chemicals to prevent potential reactions. Regularly check storage conditions to ensure its stability. |
| Shipping | 1,3 - dibromo - 2,5 - dichlorobenzene is shipped in accordance with strict hazardous chemical regulations. Packed in specialized, leak - proof containers, it's transported by carriers trained in handling such chemicals, ensuring safety during transit. |
Competitive 1,3-Dibromo-2,5-Dichlorobenzene prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365006308 or mail to info@alchemist-chem.com.
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Tel: +8615365006308
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As a leading 1,3-Dibromo-2,5-Dichlorobenzene 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 physical properties of 1,3-dibromo-2,5-dichlorobenzene?
1% 2C3-dibromo-2% 2C5-dinitrobenzene, this substance has specific properties and a wide range of uses. I will describe it in detail.
Its color is light yellow, usually crystalline, and it is stable at room temperature and pressure. When it encounters a hot topic, it is easy to decompose and release toxic nitrogen oxides and bromide gases, so when storing and using it, be careful.
Its melting point is between 100 ° C and 105 ° C. At this temperature, it gradually melts from solid to liquid. The boiling point is quite high, about 350 ° C. If you want to gasify it, you need to supply a lot of heat energy.
1% 2C3-dibromo-2% 2C5-dinitrobenzene is insoluble in water because its molecular polarity is different from that of water, and the two are difficult to miscible. However, it has good solubility in organic solvents such as benzene, toluene, and dichloromethane.
Its density is greater than that of water. If placed in water, it will sink to the bottom. This property should also be noted when separating and storing.
On top of its chemical activity, this compound is quite reactive. The nitro group is a strong electron-absorbing group, which decreases the electron cloud density of the benzene ring and causes its electrophilic substitution activity to decrease; however, the electron cloud density of the carbon atoms in the adjacent and para-positions of the benzene ring increases relatively, and it is easier to react with nucleophilic reagents in the nucleophilic substitution reaction. Bromine atoms can be replaced by other groups under appropriate conditions to derive a variety of compounds.
This compound is widely used in the field of organic synthesis and is often an important intermediate for the preparation of various drugs, dyes and pesticides. Due to the presence of nitro and bromine atoms, complex organic molecular structures can be constructed through various chemical reactions to meet the needs of various fields.
Its color is light yellow, usually crystalline, and it is stable at room temperature and pressure. When it encounters a hot topic, it is easy to decompose and release toxic nitrogen oxides and bromide gases, so when storing and using it, be careful.
Its melting point is between 100 ° C and 105 ° C. At this temperature, it gradually melts from solid to liquid. The boiling point is quite high, about 350 ° C. If you want to gasify it, you need to supply a lot of heat energy.
1% 2C3-dibromo-2% 2C5-dinitrobenzene is insoluble in water because its molecular polarity is different from that of water, and the two are difficult to miscible. However, it has good solubility in organic solvents such as benzene, toluene, and dichloromethane.
Its density is greater than that of water. If placed in water, it will sink to the bottom. This property should also be noted when separating and storing.
On top of its chemical activity, this compound is quite reactive. The nitro group is a strong electron-absorbing group, which decreases the electron cloud density of the benzene ring and causes its electrophilic substitution activity to decrease; however, the electron cloud density of the carbon atoms in the adjacent and para-positions of the benzene ring increases relatively, and it is easier to react with nucleophilic reagents in the nucleophilic substitution reaction. Bromine atoms can be replaced by other groups under appropriate conditions to derive a variety of compounds.
This compound is widely used in the field of organic synthesis and is often an important intermediate for the preparation of various drugs, dyes and pesticides. Due to the presence of nitro and bromine atoms, complex organic molecular structures can be constructed through various chemical reactions to meet the needs of various fields.
What are the chemical properties of 1,3-dibromo-2,5-dichlorobenzene?
1% 2C3 + - + diyne - 2% 2C5 -dibromobenzene has several chemical properties. First, this substance has high chemical activity. Because the carbon-carbon triple bond in the diyne group is rich in electrons, it is very easy to participate in various addition reactions, such as combining with halogens, hydrogen halides and other electrophilic reagents. Just like the addition of olefins, the reactivity of diyne is often higher, because the carbon-carbon triple bond contains two pairs of π electrons, the electron cloud density is higher, and it is more attractive to electrophilic reagents.
Second, the bromine atom in 2% 2C5 -dibromobenzene can participate in the nucleophilic substitution reaction. Bromine, as a good leaving group, can be replaced by other groups under appropriate nucleophilic reagents and reaction conditions. For example, using sodium alcohol as a nucleophilic reagent, under suitable solvent and temperature, bromine atoms can be replaced by alkoxy groups, and then new organic compounds can be synthesized.
Third, the compound has a conjugated structure. Diyne is connected to the benzene ring to form a conjugated system, which gives it unique optical and electrical properties. The conjugated structure can delocalize intra-molecular electrons, thereby affecting their absorption and emission spectra, which may have potential application value in the field of organic optoelectronic materials. At the same time, the conjugated structure also affects the stability of molecules, because electron delocalization can reduce the energy of molecules and enhance their stability.
Fourth, 2% 2C5-dibromobenzene can be polymerized under specific conditions. With the reactivity of dialkynyl groups, under the action of catalysts, the molecules can be connected to each other through the reaction of carbon-carbon triple bonds to form a polymer. This polymer may have special physical and chemical properties and can be applied to many fields of materials science.
Second, the bromine atom in 2% 2C5 -dibromobenzene can participate in the nucleophilic substitution reaction. Bromine, as a good leaving group, can be replaced by other groups under appropriate nucleophilic reagents and reaction conditions. For example, using sodium alcohol as a nucleophilic reagent, under suitable solvent and temperature, bromine atoms can be replaced by alkoxy groups, and then new organic compounds can be synthesized.
Third, the compound has a conjugated structure. Diyne is connected to the benzene ring to form a conjugated system, which gives it unique optical and electrical properties. The conjugated structure can delocalize intra-molecular electrons, thereby affecting their absorption and emission spectra, which may have potential application value in the field of organic optoelectronic materials. At the same time, the conjugated structure also affects the stability of molecules, because electron delocalization can reduce the energy of molecules and enhance their stability.
Fourth, 2% 2C5-dibromobenzene can be polymerized under specific conditions. With the reactivity of dialkynyl groups, under the action of catalysts, the molecules can be connected to each other through the reaction of carbon-carbon triple bonds to form a polymer. This polymer may have special physical and chemical properties and can be applied to many fields of materials science.
What are the main uses of 1,3-dibromo-2,5-dichlorobenzene?
1% 2C3-disulfide-2% 2C5-dithiophene, although not described in detail in the genus Tiangong Kaiwu, it is quite useful in various fields of chemistry today.
Its main use is the application in the field of organic semiconductor materials. Organic semiconductors have gradually become important in the development of modern electronic technology. 1% 2C3-disulfide-2% 2C5-dithiophene has excellent charge transport properties due to its unique molecular structure. In the preparation of organic field effect transistors, adding this substance can improve the carrier mobility of transistors, thereby optimizing the electrical properties of devices, making them stand out in emerging fields such as flexible electronic circuits and wearable electronic devices, providing the possibility for the creation of thin, flexible and efficient electronic devices.
Furthermore, in the field of photovoltaic materials, it also has outstanding performance. In the research and development of organic solar cells, 1% 2C3-disulfide-2% 2C5-dithiophene can be used as a construction unit to participate in the design and synthesis of active layer materials. Through exquisite molecular engineering, it can effectively adjust the energy level structure and light absorption characteristics of materials, improve the capture efficiency of solar spectrum, improve the efficiency of charge separation and transport, and thus improve the photoelectric conversion efficiency of organic solar cells, which contributes to the development of clean energy.
In addition, in the field of synthetic chemistry, 1% 2C3-disulfide-2% 2C5-dithiophene is used as a key intermediate for the synthesis of organic compounds with more complex structures and more specific functions. With the activity of sulfur and thiophene groups, different functional groups can be introduced through various organic reactions to derive a series of substances with unique physical and chemical properties, opening up a broad space for the creation of new functional materials and the study of medicinal chemistry.
Its main use is the application in the field of organic semiconductor materials. Organic semiconductors have gradually become important in the development of modern electronic technology. 1% 2C3-disulfide-2% 2C5-dithiophene has excellent charge transport properties due to its unique molecular structure. In the preparation of organic field effect transistors, adding this substance can improve the carrier mobility of transistors, thereby optimizing the electrical properties of devices, making them stand out in emerging fields such as flexible electronic circuits and wearable electronic devices, providing the possibility for the creation of thin, flexible and efficient electronic devices.
Furthermore, in the field of photovoltaic materials, it also has outstanding performance. In the research and development of organic solar cells, 1% 2C3-disulfide-2% 2C5-dithiophene can be used as a construction unit to participate in the design and synthesis of active layer materials. Through exquisite molecular engineering, it can effectively adjust the energy level structure and light absorption characteristics of materials, improve the capture efficiency of solar spectrum, improve the efficiency of charge separation and transport, and thus improve the photoelectric conversion efficiency of organic solar cells, which contributes to the development of clean energy.
In addition, in the field of synthetic chemistry, 1% 2C3-disulfide-2% 2C5-dithiophene is used as a key intermediate for the synthesis of organic compounds with more complex structures and more specific functions. With the activity of sulfur and thiophene groups, different functional groups can be introduced through various organic reactions to derive a series of substances with unique physical and chemical properties, opening up a broad space for the creation of new functional materials and the study of medicinal chemistry.
What are the preparation methods of 1,3-dibromo-2,5-dichlorobenzene?
To make diboron (1 dollar\% $of boron, diboron) and diamyl (diamyl), dioxysilane (dioxysilane) medicine, the method is as follows:
The method of making diboron, often with borax and sulfuric acid co-heating, borax, sodium tetraborate also. The reaction formula is: $Na_ {2} B_ {4} O_ {7} + H_ {2} SO_ {4} + 5H_ {2} O\ rightarrow 4H_ {3} BO_ {3} + Na_ {2} SO_ {4} $. The resulting boric acid can be dehydrated by reheating to obtain diboron trioxide, and the formula is: $2H_ {3} BO_ {3}\ stackrel {\ Delta }{=\!=\!=} B_ {2} O_ {3} + 3H_ {2} O $. After reducing diboron trioxide with magnesium powder or aluminum powder, diboron trioxide can be obtained. The reaction formula is: $B_ {2} O_ {3} + 3Mg\ Delta }{=\!=\!=} 2 B + 3MgO $.
As for the preparation of dipentyl, pentacarbon hydrocarbons are also. It is often obtained by fractionation of petroleum to obtain pentane. After appropriate catalytic dehydrogenation of pentane, pentene can be obtained. Then, with appropriate oxidants, such as potassium permanganate, pentene can be oxidized under suitable conditions to obtain dipentene.
The method of producing silica, the main component of silica, is silica. However, if you want to make a pure one, you often use the method of hydrolysis of silicon tetrachloride. First, silicon is reacted with chlorine to obtain silicon tetrachloride, and the formula is: $Si + 2Cl_ {2}\ stackrel {\ Delta }{=\!=\!=} SiCl_ {4} $. Silicon tetrachloride is decomposed by water to obtain silicic acid and hydrogen chloride. The formula is: $SiCl_ {4} + 4H_ {2} O\ rightarrow H_ {4} SiO_ {4} + 4HCl $. Silicic acid is dehydrated by heat to obtain dioxy silicon. The formula is: $H_ {4} SiO_ {4}\ stackrel {\ Delta }{=\!=\!=} SiO_ {2} + 2H_ {2} O $.
The preparation of these drugs needs to abide by the procedures, observe the conditions of the reaction, control its temperature and pressure, etc., to obtain pure products.
The method of making diboron, often with borax and sulfuric acid co-heating, borax, sodium tetraborate also. The reaction formula is: $Na_ {2} B_ {4} O_ {7} + H_ {2} SO_ {4} + 5H_ {2} O\ rightarrow 4H_ {3} BO_ {3} + Na_ {2} SO_ {4} $. The resulting boric acid can be dehydrated by reheating to obtain diboron trioxide, and the formula is: $2H_ {3} BO_ {3}\ stackrel {\ Delta }{=\!=\!=} B_ {2} O_ {3} + 3H_ {2} O $. After reducing diboron trioxide with magnesium powder or aluminum powder, diboron trioxide can be obtained. The reaction formula is: $B_ {2} O_ {3} + 3Mg\ Delta }{=\!=\!=} 2 B + 3MgO $.
As for the preparation of dipentyl, pentacarbon hydrocarbons are also. It is often obtained by fractionation of petroleum to obtain pentane. After appropriate catalytic dehydrogenation of pentane, pentene can be obtained. Then, with appropriate oxidants, such as potassium permanganate, pentene can be oxidized under suitable conditions to obtain dipentene.
The method of producing silica, the main component of silica, is silica. However, if you want to make a pure one, you often use the method of hydrolysis of silicon tetrachloride. First, silicon is reacted with chlorine to obtain silicon tetrachloride, and the formula is: $Si + 2Cl_ {2}\ stackrel {\ Delta }{=\!=\!=} SiCl_ {4} $. Silicon tetrachloride is decomposed by water to obtain silicic acid and hydrogen chloride. The formula is: $SiCl_ {4} + 4H_ {2} O\ rightarrow H_ {4} SiO_ {4} + 4HCl $. Silicic acid is dehydrated by heat to obtain dioxy silicon. The formula is: $H_ {4} SiO_ {4}\ stackrel {\ Delta }{=\!=\!=} SiO_ {2} + 2H_ {2} O $.
The preparation of these drugs needs to abide by the procedures, observe the conditions of the reaction, control its temperature and pressure, etc., to obtain pure products.
What are the precautions for the use of 1,3-dibromo-2,5-dichlorobenzene?
When using 1% 2C3-dibromo-2% 2C5-difluorobenzene, all kinds of things should be paid attention to.
First, this product is toxic and irritating. Its chemical properties are lively and can cause physical damage if it touches the skin, eyes, or is inhaled or ingested. When taking it, be sure to wear protective clothing, goggles and gas masks, and be careful to prevent contact with it. If it is accidentally touched, rinse it with plenty of water as soon as possible and seek medical attention in time.
Second, it is flammable and explosive. Because of its chemical structure, it is very easy to burn and explode in case of open flames and hot topics. Storage and use should be kept away from fire and heat sources, and fireworks should be strictly prohibited. And should be placed in a cool and well-ventilated place, avoid direct sunlight, to prevent danger caused by temperature rise.
Third, it also has an impact on the environment. Its chemical properties make it difficult to degrade in the environment, or will accumulate, endangering the ecology. After use, the residue cannot be discarded at will, and must be properly disposed of in accordance with relevant regulations to prevent pollution of soil, water sources, etc.
Fourth, the use process needs to be precise operation. Due to its high reactivity, the dosage and reaction conditions are slightly poor, which may cause the reaction to go out of control or the product is impure. Therefore, before use, it is necessary to be familiar with the operating procedures and accurately control the reaction temperature, time, material ratio and other factors.
Fifth, storage needs to be properly arranged. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed. Storage containers must also be well sealed to prevent leakage. Regularly check the storage environment and containers. If there is any abnormality, deal with it immediately.
In short, when using 1% 2C3-dibromo-2% 2C5-difluorobenzene, you must be fully aware of its characteristics, strictly abide by the operating procedures, and pay attention to safety protection and environmental protection to ensure smooth use.
First, this product is toxic and irritating. Its chemical properties are lively and can cause physical damage if it touches the skin, eyes, or is inhaled or ingested. When taking it, be sure to wear protective clothing, goggles and gas masks, and be careful to prevent contact with it. If it is accidentally touched, rinse it with plenty of water as soon as possible and seek medical attention in time.
Second, it is flammable and explosive. Because of its chemical structure, it is very easy to burn and explode in case of open flames and hot topics. Storage and use should be kept away from fire and heat sources, and fireworks should be strictly prohibited. And should be placed in a cool and well-ventilated place, avoid direct sunlight, to prevent danger caused by temperature rise.
Third, it also has an impact on the environment. Its chemical properties make it difficult to degrade in the environment, or will accumulate, endangering the ecology. After use, the residue cannot be discarded at will, and must be properly disposed of in accordance with relevant regulations to prevent pollution of soil, water sources, etc.
Fourth, the use process needs to be precise operation. Due to its high reactivity, the dosage and reaction conditions are slightly poor, which may cause the reaction to go out of control or the product is impure. Therefore, before use, it is necessary to be familiar with the operating procedures and accurately control the reaction temperature, time, material ratio and other factors.
Fifth, storage needs to be properly arranged. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed. Storage containers must also be well sealed to prevent leakage. Regularly check the storage environment and containers. If there is any abnormality, deal with it immediately.
In short, when using 1% 2C3-dibromo-2% 2C5-difluorobenzene, you must be fully aware of its characteristics, strictly abide by the operating procedures, and pay attention to safety protection and environmental protection to ensure smooth use.
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