Linshang Chemical
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2,5-Dichlorobenzene-1,4-Diamine
Linshang Chemical
|
HS Code |
471653 |
| Chemical Formula | C6H6Cl2N2 |
| Molar Mass | 177.03 g/mol |
| Appearance | White to off - white crystalline powder |
| Odor | Odorless (usually) |
| Melting Point | 175 - 177 °C |
| Boiling Point | 334.5 °C at 760 mmHg |
| Solubility In Water | Slightly soluble |
| Solubility In Organic Solvents | Soluble in ethanol, acetone, etc. |
| Density | 1.52 g/cm³ |
| Pka | pKa1 = 1.78, pKa2 = 7.85 |
| Stability | Stable under normal conditions, but may react with strong oxidizing agents |
| Flash Point | 156.1 °C |
As an accredited 2,5-Dichlorobenzene-1,4-Diamine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 250g of 2,5 - dichlorobenzene - 1,4 - diamine packaged in a sealed plastic bag. |
| Storage | 2,5 - dichlorobenzene - 1,4 - diamine should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly closed container to prevent moisture absorption and contact with air, which could potentially lead to degradation or chemical reactions. |
| Shipping | 2,5 - dichlorobenzene - 1,4 - diamine is shipped in tightly sealed, corrosion - resistant containers. It's transported under regulated conditions to prevent exposure, with proper labeling indicating its chemical nature to ensure safety during transit. |
Competitive 2,5-Dichlorobenzene-1,4-Diamine 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
Email: info@alchemist-chem.com
Where to Buy 2,5-Dichlorobenzene-1,4-Diamine in China?
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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 2,5-Dichlorobenzene-1,4-Diamine 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 2,5-dichlorobenzene-1,4-diamine?
2% 2C5-difluorobenzene-1% 2C4-diethylbenzene is one of the organic compounds. It has a wide range of main uses and plays a significant role in the chemical industry.
First, it can be used as a key intermediate in organic synthesis. It is an indispensable raw material in the preparation of many fine chemicals. Such as the preparation of drugs, pesticides and polymer materials with specific structures. With its unique molecular structure, it can participate in a variety of chemical reactions. After ingenious design and synthesis steps, it is converted into compounds with specific functions.
Second, it is also of great value in the field of materials science. It can be used to develop new high-performance materials, giving materials such as special electrical, optical or thermal properties. By chemically modifying and polymerizing it, materials that meet different needs can be prepared, which has great potential for application in electronic devices, optical instruments and other industries.
Third, in the field of pharmaceutical research and development, it may provide a basic structure for the construction of lead compounds. Through structural modification and modification, explore new compounds with biological activity, and provide a possible path for the creation of new drugs, which is expected to help overcome many disease problems.
In short, 2% 2C5-difluorobenzene-1% 2C4-diethylbenzene, with its unique chemical properties, plays an important role in many fields such as chemical industry, materials, and medicine, and contributes to the development of related industries.
First, it can be used as a key intermediate in organic synthesis. It is an indispensable raw material in the preparation of many fine chemicals. Such as the preparation of drugs, pesticides and polymer materials with specific structures. With its unique molecular structure, it can participate in a variety of chemical reactions. After ingenious design and synthesis steps, it is converted into compounds with specific functions.
Second, it is also of great value in the field of materials science. It can be used to develop new high-performance materials, giving materials such as special electrical, optical or thermal properties. By chemically modifying and polymerizing it, materials that meet different needs can be prepared, which has great potential for application in electronic devices, optical instruments and other industries.
Third, in the field of pharmaceutical research and development, it may provide a basic structure for the construction of lead compounds. Through structural modification and modification, explore new compounds with biological activity, and provide a possible path for the creation of new drugs, which is expected to help overcome many disease problems.
In short, 2% 2C5-difluorobenzene-1% 2C4-diethylbenzene, with its unique chemical properties, plays an important role in many fields such as chemical industry, materials, and medicine, and contributes to the development of related industries.
What are the physical properties of 2,5-dichlorobenzene-1,4-diamine?
2% 2C5-difluorobenzene-1% 2C4-dimethyl ether, this substance has the following physical properties:
Under normal conditions, it is a colorless to light yellow transparent liquid, clear and free of impurities. Under light, it can be seen that it slightly refracts light and shines. Smell it, it has a special aromatic aroma, but this smell is not pungent and intolerable, but it is volatile and can slowly diffuse in the air.
In terms of its solubility, it can be soluble with many organic solvents, such as ethanol, ether, acetone, etc., just like water, ether, and acetone, which are blended with each other. In water, the solubility is not good, and the two meet, such as water and oil repel each other and layer together.
As for the boiling point, it is about a specific temperature range. When heated to this point, the liquid will break free from the shackles and rise into a gaseous state. The melting point also has its fixed value. When the temperature drops to this point, the liquid that originally flowed gradually solidifies and turns into a solid state. Its density is slightly smaller than that of water. If it is placed in the same place as water, it will float above the water surface.
The vapor pressure of this substance has a corresponding value within a certain temperature range, reflecting its tendency to evaporate in a confined space. Its refractive index is also a specific constant. When light passes through, it changes the direction of propagation according to this constant. The above physical properties are key factors to consider in many fields such as chemical industry and medicine, and are related to their use, storage and transformation.
Under normal conditions, it is a colorless to light yellow transparent liquid, clear and free of impurities. Under light, it can be seen that it slightly refracts light and shines. Smell it, it has a special aromatic aroma, but this smell is not pungent and intolerable, but it is volatile and can slowly diffuse in the air.
In terms of its solubility, it can be soluble with many organic solvents, such as ethanol, ether, acetone, etc., just like water, ether, and acetone, which are blended with each other. In water, the solubility is not good, and the two meet, such as water and oil repel each other and layer together.
As for the boiling point, it is about a specific temperature range. When heated to this point, the liquid will break free from the shackles and rise into a gaseous state. The melting point also has its fixed value. When the temperature drops to this point, the liquid that originally flowed gradually solidifies and turns into a solid state. Its density is slightly smaller than that of water. If it is placed in the same place as water, it will float above the water surface.
The vapor pressure of this substance has a corresponding value within a certain temperature range, reflecting its tendency to evaporate in a confined space. Its refractive index is also a specific constant. When light passes through, it changes the direction of propagation according to this constant. The above physical properties are key factors to consider in many fields such as chemical industry and medicine, and are related to their use, storage and transformation.
What are the chemical properties of 2,5-dichlorobenzene-1,4-diamine?
2% 2C5-difluorobenzene-1% 2C4-xylene is an organic compound with unique chemical properties.
It is stable. At room temperature and pressure, the chemical structure is stable, and it is not easy to react spontaneously. This is because the benzene ring conjugate system provides electron delocalization and enhances stability. It can also react under specific conditions, such as high temperature, high pressure, catalyst, or in the case of active reagents.
It is flammable and reaches the ignition point in the air. It can react violently with oxygen to generate carbon dioxide and water. The reaction equation is roughly: C H F ² + O ² → CO ³ + H ² O + HF (unbalanced). When burning or releasing toxic hydrogen fluoride gas, the use of storage needs to be protected from fire and explosion.
Because of the fluorine atom, it has certain lipophilic and chemical inertness. Lipophilic makes it soluble in organic solvents, such as ethanol, ether, and chloroform. Chemical inertness makes it insensitive to some reagents, and can be used in reactions or systems that require specific chemical stability.
Hydrogen atoms on the benzene ring can undergo a substitution reaction. If under the action of a catalyst, halogenation occurs with halogenated reagents, and halogen atoms replace benzene cyclohydrogen; react with nitrifying reagents to introduce nitro groups.
Because of its special structure and properties, it is widely used in the fields of materials science and medicinal chemistry. In materials science, it can be used as a monomer for the synthesis of special polymer materials; in medicinal chemistry, it is an important intermediate for the synthesis of fluorinated drugs, endowing the drugs with unique biological activity and pharmacokinetic properties.
It is stable. At room temperature and pressure, the chemical structure is stable, and it is not easy to react spontaneously. This is because the benzene ring conjugate system provides electron delocalization and enhances stability. It can also react under specific conditions, such as high temperature, high pressure, catalyst, or in the case of active reagents.
It is flammable and reaches the ignition point in the air. It can react violently with oxygen to generate carbon dioxide and water. The reaction equation is roughly: C H F ² + O ² → CO ³ + H ² O + HF (unbalanced). When burning or releasing toxic hydrogen fluoride gas, the use of storage needs to be protected from fire and explosion.
Because of the fluorine atom, it has certain lipophilic and chemical inertness. Lipophilic makes it soluble in organic solvents, such as ethanol, ether, and chloroform. Chemical inertness makes it insensitive to some reagents, and can be used in reactions or systems that require specific chemical stability.
Hydrogen atoms on the benzene ring can undergo a substitution reaction. If under the action of a catalyst, halogenation occurs with halogenated reagents, and halogen atoms replace benzene cyclohydrogen; react with nitrifying reagents to introduce nitro groups.
Because of its special structure and properties, it is widely used in the fields of materials science and medicinal chemistry. In materials science, it can be used as a monomer for the synthesis of special polymer materials; in medicinal chemistry, it is an important intermediate for the synthesis of fluorinated drugs, endowing the drugs with unique biological activity and pharmacokinetic properties.
What is the production method of 2,5-dichlorobenzene-1,4-diamine?
The preparation of 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether is an important matter in the chemical process. The method is multi-ended, let me tell you in detail.
One method uses the corresponding halogenated aromatic hydrocarbon as the starting material. First take the benzene derivative containing halogen atoms, and add an appropriate amount of alkali substances, such as potassium carbonate, into a specific reaction vessel, which can create a suitable alkaline environment for the reaction. Then add a phase transfer catalyst, which can help the reactants transfer between different phases and improve the reaction efficiency. Then, slowly drop a difluorinated reagent, such as potassium fluoride, under the condition of heating and stirring, the halogen atom and the fluorine atom undergo a substitution reaction to gradually generate a 2% 2C5-difluorobenzene intermediate. Subsequently, for this intermediate, a methylating reagent, such as dimethyl sulfate, is introduced, and under the action of basic catalysis, a methylation reaction is realized to obtain 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether.
The second method uses phenolic compounds as the starting materials. First, the phenolic substances are fluorinated, and the specific fluorinated reagents can be used to replace the phenolic hydroxyl group to obtain fluorine-containing phenolic derivatives. After that, through the methylation step, a suitable methylation reagent is selected, and the phenolic hydroxyl group is converted to methoxy group under appropriate reaction conditions, which can also achieve the purpose of preparing 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether. This process requires precise control of the reaction temperature, time and reagent dosage in order to improve the purity and yield of the product.
The third method adopts the coupling reaction strategy of transition metal catalysis. Select suitable fluoroaromatic hydrocarbon halides and borate esters containing methoxy groups or other nucleophiles, and under the action of transition metal catalysts, such as palladium catalysts, in a suitable solvent, under the presence of a certain temperature and base, the coupling reaction occurs. This reaction can effectively establish carbon-carbon bonds and carbon-oxygen bonds, and then synthesize the target product 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether. During the reaction process, the activity of the catalyst, the selection of ligands and the optimization of the reaction conditions are all crucial, which are related to the formation and quality of the product.
One method uses the corresponding halogenated aromatic hydrocarbon as the starting material. First take the benzene derivative containing halogen atoms, and add an appropriate amount of alkali substances, such as potassium carbonate, into a specific reaction vessel, which can create a suitable alkaline environment for the reaction. Then add a phase transfer catalyst, which can help the reactants transfer between different phases and improve the reaction efficiency. Then, slowly drop a difluorinated reagent, such as potassium fluoride, under the condition of heating and stirring, the halogen atom and the fluorine atom undergo a substitution reaction to gradually generate a 2% 2C5-difluorobenzene intermediate. Subsequently, for this intermediate, a methylating reagent, such as dimethyl sulfate, is introduced, and under the action of basic catalysis, a methylation reaction is realized to obtain 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether.
The second method uses phenolic compounds as the starting materials. First, the phenolic substances are fluorinated, and the specific fluorinated reagents can be used to replace the phenolic hydroxyl group to obtain fluorine-containing phenolic derivatives. After that, through the methylation step, a suitable methylation reagent is selected, and the phenolic hydroxyl group is converted to methoxy group under appropriate reaction conditions, which can also achieve the purpose of preparing 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether. This process requires precise control of the reaction temperature, time and reagent dosage in order to improve the purity and yield of the product.
The third method adopts the coupling reaction strategy of transition metal catalysis. Select suitable fluoroaromatic hydrocarbon halides and borate esters containing methoxy groups or other nucleophiles, and under the action of transition metal catalysts, such as palladium catalysts, in a suitable solvent, under the presence of a certain temperature and base, the coupling reaction occurs. This reaction can effectively establish carbon-carbon bonds and carbon-oxygen bonds, and then synthesize the target product 2% 2C5-difluorobenzene-1% 2C4-dimethyl ether. During the reaction process, the activity of the catalyst, the selection of ligands and the optimization of the reaction conditions are all crucial, which are related to the formation and quality of the product.
What are the precautions for using 2,5-dichlorobenzene-1,4-diamine?
2% 2C5-difluorobenzene-1% 2C4-xylene is a common chemical raw material. When using it, many matters need to be paid attention to.
First safety protection. These two are toxic and irritating to a certain extent, and are harmful to health when exposed to or inhaled. When operating, be sure to wear protective clothing, gloves, goggles and gas masks to ensure safe breathing and prevent skin and eyes from coming into contact with them. In case of inadvertent contact, rinse with plenty of water immediately and seek medical treatment.
Times and storage conditions. It should be stored in a cool and well-ventilated place, away from fire and heat sources, and protected from direct sunlight. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed to avoid dangerous chemical reactions. The storage area should be equipped with suitable containment materials to deal with possible leaks.
Furthermore, it is related to the use specifications. The use process should be carried out in strict accordance with the operating procedures, and the reaction conditions should be controlled, such as temperature, pressure, reaction time, etc. Due to the flammability of the two, open flames and smoking are strictly prohibited on the use site. At the same time, good ventilation should be ensured to reduce the concentration of steam in the air and prevent the formation of explosive mixtures.
Repeat for emergency response. In the event of a leak, personnel from the contaminated area of the leak should be quickly evacuated to the safe area and quarantined to strictly restrict access. To cut off the source of fire, emergency personnel need to wear self-contained positive pressure breathing apparatus and anti-toxic clothing to cut off the source of leakage as much as possible. Small leaks can be absorbed by inert materials such as sand and vermiculite. For large leaks, embankments or pits need to be built for containment, covered with foam to reduce steam disasters. After that, they should be transferred to a tanker or a special collector with an explosion-proof pump, recycled or transported to a waste treatment site for disposal.
Finally, environmental protection considerations. Waste after use cannot be discarded at will, and should be properly disposed of in accordance with environmental protection regulations to prevent pollution to the environment.
First safety protection. These two are toxic and irritating to a certain extent, and are harmful to health when exposed to or inhaled. When operating, be sure to wear protective clothing, gloves, goggles and gas masks to ensure safe breathing and prevent skin and eyes from coming into contact with them. In case of inadvertent contact, rinse with plenty of water immediately and seek medical treatment.
Times and storage conditions. It should be stored in a cool and well-ventilated place, away from fire and heat sources, and protected from direct sunlight. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed to avoid dangerous chemical reactions. The storage area should be equipped with suitable containment materials to deal with possible leaks.
Furthermore, it is related to the use specifications. The use process should be carried out in strict accordance with the operating procedures, and the reaction conditions should be controlled, such as temperature, pressure, reaction time, etc. Due to the flammability of the two, open flames and smoking are strictly prohibited on the use site. At the same time, good ventilation should be ensured to reduce the concentration of steam in the air and prevent the formation of explosive mixtures.
Repeat for emergency response. In the event of a leak, personnel from the contaminated area of the leak should be quickly evacuated to the safe area and quarantined to strictly restrict access. To cut off the source of fire, emergency personnel need to wear self-contained positive pressure breathing apparatus and anti-toxic clothing to cut off the source of leakage as much as possible. Small leaks can be absorbed by inert materials such as sand and vermiculite. For large leaks, embankments or pits need to be built for containment, covered with foam to reduce steam disasters. After that, they should be transferred to a tanker or a special collector with an explosion-proof pump, recycled or transported to a waste treatment site for disposal.
Finally, environmental protection considerations. Waste after use cannot be discarded at will, and should be properly disposed of in accordance with environmental protection regulations to prevent pollution to the environment.
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