Linshang Chemical
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2,5-Dichloro-1,4-Dimethylbenzene
Linshang Chemical
|
HS Code |
781689 |
| Chemical Formula | C8H8Cl2 |
| Molar Mass | 175.055 g/mol |
| Appearance | Colorless to pale - yellow liquid |
| Boiling Point | 200 - 202 °C |
| Melting Point | 15 - 17 °C |
| Density | 1.165 g/cm³ at 20 °C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether |
| Vapor Pressure | Low vapor pressure |
| Flash Point | 76 °C |
As an accredited 2,5-Dichloro-1,4-Dimethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 2,5 - dichloro - 1,4 - dimethylbenzene packaged in a sealed plastic bottle. |
| Storage | 2,5 - dichloro - 1,4 - dimethylbenzene should be stored in a cool, well - ventilated area away from heat, sparks, and open flames. Keep it in a tightly closed container to prevent vapor leakage. Store it separately from oxidizing agents and incompatible substances. This helps avoid potential chemical reactions and ensures safe storage. |
| Shipping | 2,5 - dichloro - 1,4 - dimethylbenzene is shipped in sealed, corrosion - resistant containers. Shipment follows strict chemical transport regulations to ensure safety during transit, avoiding exposure to heat, ignition sources, and incompatible substances. |
Competitive 2,5-Dichloro-1,4-Dimethylbenzene 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
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As a leading 2,5-Dichloro-1,4-Dimethylbenzene 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 chemical properties of 2,5-dichloro-1,4-dimethylbenzene?
2% 2C5-difluoro-1% 2C4-dimethylbenzene, this substance is an organic compound. Its physical properties are unique, and it is mostly liquid at room temperature, with a certain volatility and a special smell. In terms of solubility, it can be soluble in common organic solvents, such as ethanol, ether, etc., but it is difficult to dissolve in water.
From the perspective of chemical properties, the benzene ring gives it aromaticity, making the compound relatively stable. However, the fluorine atom and methyl group attached to the benzene ring change its chemical activity. The fluorine atom has a high electronegativity, which will affect the distribution of electron clouds in the benzene ring, resulting in a decrease in the density of electron clouds on the benzene ring, making the electrophilic substitution reaction more difficult. However, under specific conditions and the action of suitable reagents, the electrophilic substitution reaction can still occur, and the substitution position is jointly dominated by the localization effect of fluorine atoms and methyl groups.
Methyl groups are the power supply groups, which can increase the electron cloud density of the benzene ring in its adjacent and para-positions, making these positions more prone to electrophilic substitution reactions. In terms of oxidation reactions, methyl groups can be oxidized under specific conditions, such as in case of strong oxidizing agents, methyl groups or can be oxidized to oxygen-containing functional groups such as carboxyl groups.
In addition, the carbon-fluorine bond in this compound has high energy, is relatively stable, and is not easy to break under normal conditions. However, under extreme conditions such as high temperature and strengthening, the carbon-fluorine bond may also react to form products such as fluorine-containing small molecules.
From the perspective of chemical properties, the benzene ring gives it aromaticity, making the compound relatively stable. However, the fluorine atom and methyl group attached to the benzene ring change its chemical activity. The fluorine atom has a high electronegativity, which will affect the distribution of electron clouds in the benzene ring, resulting in a decrease in the density of electron clouds on the benzene ring, making the electrophilic substitution reaction more difficult. However, under specific conditions and the action of suitable reagents, the electrophilic substitution reaction can still occur, and the substitution position is jointly dominated by the localization effect of fluorine atoms and methyl groups.
Methyl groups are the power supply groups, which can increase the electron cloud density of the benzene ring in its adjacent and para-positions, making these positions more prone to electrophilic substitution reactions. In terms of oxidation reactions, methyl groups can be oxidized under specific conditions, such as in case of strong oxidizing agents, methyl groups or can be oxidized to oxygen-containing functional groups such as carboxyl groups.
In addition, the carbon-fluorine bond in this compound has high energy, is relatively stable, and is not easy to break under normal conditions. However, under extreme conditions such as high temperature and strengthening, the carbon-fluorine bond may also react to form products such as fluorine-containing small molecules.
What are the physical properties of 2,5-dichloro-1,4-dimethylbenzene?
2% 2C5-difluoro-1% 2C4-dimethylbenzene is one of the organic compounds. Its physical properties are quite specific and closely related to its chemical structure.
This compound is mostly liquid under normal conditions, but it is also affected by environmental factors. Looking at its color, it may be nearly colorless and transparent, and its shape is like clear water, but under careful inspection, it may show a very light color, which also varies by the amount of impurities and the preparation process.
When it comes to odor, it often has an aromatic taste, but this fragrance is not pleasant, but irritating. The smell can cause discomfort, and even damage the respiratory tract.
Its density is different from that of water, or it floats on water, or it sinks underwater, depending on the specific value. This property is quite critical in operations such as separation and purification.
In terms of solubility, it has good solubility in organic solvents, such as common ethanol, ether, etc., but it has poor solubility in water, which is caused by its molecular polarity.
The boiling point is also one of the important physical properties. The level of its boiling point is related to processes such as heating separation, distillation and refining. At a specific temperature, this substance will change from liquid to gaseous state, achieving a phase change. The melting point of
cannot be ignored either. When a certain low temperature is reached, the liquid will solidify into a solid state, and this process has a significant impact on storage and transportation conditions.
The above physical properties are all key considerations in chemical production, scientific research experiments and other fields, and are related to the application, preparation and preservation of this substance.
This compound is mostly liquid under normal conditions, but it is also affected by environmental factors. Looking at its color, it may be nearly colorless and transparent, and its shape is like clear water, but under careful inspection, it may show a very light color, which also varies by the amount of impurities and the preparation process.
When it comes to odor, it often has an aromatic taste, but this fragrance is not pleasant, but irritating. The smell can cause discomfort, and even damage the respiratory tract.
Its density is different from that of water, or it floats on water, or it sinks underwater, depending on the specific value. This property is quite critical in operations such as separation and purification.
In terms of solubility, it has good solubility in organic solvents, such as common ethanol, ether, etc., but it has poor solubility in water, which is caused by its molecular polarity.
The boiling point is also one of the important physical properties. The level of its boiling point is related to processes such as heating separation, distillation and refining. At a specific temperature, this substance will change from liquid to gaseous state, achieving a phase change. The melting point of
cannot be ignored either. When a certain low temperature is reached, the liquid will solidify into a solid state, and this process has a significant impact on storage and transportation conditions.
The above physical properties are all key considerations in chemical production, scientific research experiments and other fields, and are related to the application, preparation and preservation of this substance.
What are the main uses of 2,5-dichloro-1,4-dimethylbenzene?
2% 2C5-dioxy-1% 2C4-dimethylbenzene, this substance has important uses in many fields.
In the field of pharmaceutical synthesis, it is a key intermediate. With this substance, the basic structure of complex drug molecules can be built through specific reaction steps. Many drugs with specific curative effects are synthesized with 2% 2C5-dioxy-1% 2C4-dimethylbenzene as one of the starting materials. By introducing different functional groups, compounds with precise pharmacological activity are gradually constructed, providing powerful weapons for human beings to fight diseases.
In the field of materials science, it also has extraordinary performance. From this raw material, high-performance polymer materials can be prepared. Such materials either have good thermal stability or unique optical properties, and are widely used in aerospace, electronic devices and other fields that require strict material properties. For example, in the manufacture of some aerospace parts, the polymer materials synthesized by them can still maintain stable performance under extreme temperatures and complex environments, ensuring the safety and normal operation of aircraft.
In organic synthetic chemistry, 2% 2C5-dioxy-1% 2C4-dimethylbenzene is a commonly used reagent, which can initiate various chemical reactions, such as nucleophilic substitution, redox, etc. Chemists use their unique molecular structures and reactivity to ingeniously design reaction routes and synthesize many organic compounds with novel structures and unique functions, thus promoting the continuous development of the field of organic chemistry and laying the foundation for subsequent applications such as new material research and development and drug creation.
In the field of pharmaceutical synthesis, it is a key intermediate. With this substance, the basic structure of complex drug molecules can be built through specific reaction steps. Many drugs with specific curative effects are synthesized with 2% 2C5-dioxy-1% 2C4-dimethylbenzene as one of the starting materials. By introducing different functional groups, compounds with precise pharmacological activity are gradually constructed, providing powerful weapons for human beings to fight diseases.
In the field of materials science, it also has extraordinary performance. From this raw material, high-performance polymer materials can be prepared. Such materials either have good thermal stability or unique optical properties, and are widely used in aerospace, electronic devices and other fields that require strict material properties. For example, in the manufacture of some aerospace parts, the polymer materials synthesized by them can still maintain stable performance under extreme temperatures and complex environments, ensuring the safety and normal operation of aircraft.
In organic synthetic chemistry, 2% 2C5-dioxy-1% 2C4-dimethylbenzene is a commonly used reagent, which can initiate various chemical reactions, such as nucleophilic substitution, redox, etc. Chemists use their unique molecular structures and reactivity to ingeniously design reaction routes and synthesize many organic compounds with novel structures and unique functions, thus promoting the continuous development of the field of organic chemistry and laying the foundation for subsequent applications such as new material research and development and drug creation.
What is the production method of 2,5-dichloro-1,4-dimethylbenzene?
2% 2C5-difluoro-1% 2C4-dimethylbenzene is an important organic compound. Although its preparation method is not directly described in "Tiangong Kaiwu", it is referred to the ancient chemical process wisdom and the preparation ideas of similar compounds, or it can be as follows:
Starting material, select those that are easy to obtain and have suitable functional groups, such as p-xylene. P-xylene is widely present in petrochemical products and can be separated from petroleum fractions by fractionation, extraction, etc.
First, the method of halogenation. Using p-xylene as the substrate, to introduce fluorine atoms, suitable fluorination reagents can be selected. In ancient times, although there were no modern and sophisticated fluorinating agents, it was conceivable to use fluorine-containing minerals, such as fluorite (the main component is CaF ²), after a certain treatment to release fluorine sources. In a closed reactor, add p-xylene and fluorite powder to catalyze the reaction with an appropriate amount of catalyst. The catalyst can be selected from metal halide, such as aluminum chloride, which can promote the replacement of hydrogen atoms on the benzene ring by fluorine atoms. Control the reaction temperature and pressure, because the fluoride reaction is more violent, the temperature should not be too high, about 100-150 ° C is appropriate, and the pressure is maintained in an appropriate range to make the reaction proceed smoothly. The target product 2% 2C5-difluoro-1% 2C4-dimethylbenzene can be obtained by multi-step reaction.
Second, indirect synthesis can also be used. First, p-xylene undergoes other functional group conversion reactions, such as oxidation to form corresponding carboxylic acids, and then fluorine atoms are introduced through a series of functional group conversion. If air or other oxidants are used, p-xylene is oxidized to terephthalic acid under the action of appropriate catalysts. After that, terephthalic acid is reacted with fluorine-containing reagents, and the carboxyl group is first converted into an active group that can react with fluorine atoms, such as acid chloride. Treating terephthalic acid with thionyl chloride to obtain terephthalyl chloride, and then reacting with fluoride. After carefully adjusting the reaction conditions, the fluorine atom is finally replaced at 2% 2C5-position, and then 2% 2C5-difluoro-1% 2C4-dimethylbenzene is obtained.
The above preparation method is based on the process concept contained in "Tiangong Kaiji", combined with modern chemical knowledge, and inferred the possible preparation ideas of Gu Zhi, in order to give inspiration to the synthesis of this compound.
Starting material, select those that are easy to obtain and have suitable functional groups, such as p-xylene. P-xylene is widely present in petrochemical products and can be separated from petroleum fractions by fractionation, extraction, etc.
First, the method of halogenation. Using p-xylene as the substrate, to introduce fluorine atoms, suitable fluorination reagents can be selected. In ancient times, although there were no modern and sophisticated fluorinating agents, it was conceivable to use fluorine-containing minerals, such as fluorite (the main component is CaF ²), after a certain treatment to release fluorine sources. In a closed reactor, add p-xylene and fluorite powder to catalyze the reaction with an appropriate amount of catalyst. The catalyst can be selected from metal halide, such as aluminum chloride, which can promote the replacement of hydrogen atoms on the benzene ring by fluorine atoms. Control the reaction temperature and pressure, because the fluoride reaction is more violent, the temperature should not be too high, about 100-150 ° C is appropriate, and the pressure is maintained in an appropriate range to make the reaction proceed smoothly. The target product 2% 2C5-difluoro-1% 2C4-dimethylbenzene can be obtained by multi-step reaction.
Second, indirect synthesis can also be used. First, p-xylene undergoes other functional group conversion reactions, such as oxidation to form corresponding carboxylic acids, and then fluorine atoms are introduced through a series of functional group conversion. If air or other oxidants are used, p-xylene is oxidized to terephthalic acid under the action of appropriate catalysts. After that, terephthalic acid is reacted with fluorine-containing reagents, and the carboxyl group is first converted into an active group that can react with fluorine atoms, such as acid chloride. Treating terephthalic acid with thionyl chloride to obtain terephthalyl chloride, and then reacting with fluoride. After carefully adjusting the reaction conditions, the fluorine atom is finally replaced at 2% 2C5-position, and then 2% 2C5-difluoro-1% 2C4-dimethylbenzene is obtained.
The above preparation method is based on the process concept contained in "Tiangong Kaiji", combined with modern chemical knowledge, and inferred the possible preparation ideas of Gu Zhi, in order to give inspiration to the synthesis of this compound.
What are the precautions for using 2,5-dichloro-1,4-dimethylbenzene?
2% 2C5-dioxy-1% 2C4-dimethylbenzene should be used with a lot of attention and should not be ignored.
First, this product is toxic and can cause damage to human health. When in contact with it, strictly follow safety procedures. When operating, be sure to wear complete protective equipment, such as protective clothing, gloves, goggles, etc., to prevent it from touching the skin and invading the eyes, and should ensure that the workplace is well ventilated to prevent its volatile gas from accumulating and harming breathing.
Second, its chemical properties are lively, under specific conditions, or react violently. When storing, avoid open flames, hot topics, and stay away from strong oxidants, strong acids and alkalis. When mixing or mixing with other chemicals, it is necessary to study its chemical properties in detail to prevent unexpected reactions.
Third, the waste after use must not be discarded at will. It needs to be properly disposed of in accordance with relevant laws and regulations to prevent environmental pollution. If the waste is not handled properly, its residual substances may seep into the soil and water bodies, causing ecological hazards.
Fourth, those who operate this substance should have professional training and be familiar with its characteristics, hazards and emergency response methods. In the event of an accident, such as leakage or fire, they should be able to respond quickly and appropriately to reduce the damage.
In short, the use of 2% 2C5-dioxy-1% 2C4-dimethylbenzene requires constant vigilance and caution to ensure personal safety, environmental integrity, and smooth operation.
First, this product is toxic and can cause damage to human health. When in contact with it, strictly follow safety procedures. When operating, be sure to wear complete protective equipment, such as protective clothing, gloves, goggles, etc., to prevent it from touching the skin and invading the eyes, and should ensure that the workplace is well ventilated to prevent its volatile gas from accumulating and harming breathing.
Second, its chemical properties are lively, under specific conditions, or react violently. When storing, avoid open flames, hot topics, and stay away from strong oxidants, strong acids and alkalis. When mixing or mixing with other chemicals, it is necessary to study its chemical properties in detail to prevent unexpected reactions.
Third, the waste after use must not be discarded at will. It needs to be properly disposed of in accordance with relevant laws and regulations to prevent environmental pollution. If the waste is not handled properly, its residual substances may seep into the soil and water bodies, causing ecological hazards.
Fourth, those who operate this substance should have professional training and be familiar with its characteristics, hazards and emergency response methods. In the event of an accident, such as leakage or fire, they should be able to respond quickly and appropriately to reduce the damage.
In short, the use of 2% 2C5-dioxy-1% 2C4-dimethylbenzene requires constant vigilance and caution to ensure personal safety, environmental integrity, and smooth operation.
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