Linshang Chemical
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2-Chloro-1,3-Dimethylbenzene
Linshang Chemical
|
HS Code |
440269 |
| Chemical Formula | C8H9Cl |
| Molar Mass | 140.61 g/mol |
| Appearance | Colorless to pale - yellow liquid |
| Odor | Aromatic odor |
| Density | 1.07 g/cm³ |
| Boiling Point | 197 - 199 °C |
| Melting Point | -25 °C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in many organic solvents like ethanol, ether |
| Flash Point | 75 °C |
| Vapor Pressure | 0.13 kPa (25 °C) |
As an accredited 2-Chloro-1,3-Dimethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500 - gram bottle of 2 - chloro - 1,3 - dimethylbenzene, securely sealed. |
| Storage | 2 - Chloro - 1,3 - dimethylbenzene should be stored in a cool, well - ventilated area away from heat, sparks, and open flames. Keep it in a tightly closed container made of compatible materials, such as steel or certain plastics. Store it separately from oxidizing agents, strong acids, and bases to prevent potential reactions. |
| Shipping | 2 - Chloro - 1,3 - dimethylbenzene is shipped in tightly sealed, corrosion - resistant containers. It's labeled properly as a hazardous chemical. Shipments follow strict regulations to ensure safe transportation and prevent spills or exposure. |
Competitive 2-Chloro-1,3-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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What are the chemical properties of 2-chloro-1,3-dimethylbenzene?
2-Chloro-1,3-dimethylbenzene is an organic compound with unique physical and chemical properties and is widely used in the chemical industry.
Looking at its physical properties, 2-chloro-1,3-dimethylbenzene is mostly liquid at room temperature and has a special odor. Due to its molecular structure containing chlorine atoms and methyl groups, it is insoluble in water, but can be miscible with many organic solvents, such as ethanol and ether. Its boiling point and melting point are also determined by intermolecular forces, and the specific values can be accurately determined by experiments.
As for chemical properties, the presence of benzene rings makes 2-chloro-1,3-dimethylbenzene have the commonality of aromatic hydrocarbons. The electron cloud density of the benzene ring is high, and it is easily attacked by electrophilic reagents, and then electrophilic substitution reactions occur. For example, under certain conditions, it can undergo bromination reaction with bromine, and bromine atoms will replace hydrogen atoms on the benzene ring. At the same time, due to the influence of chlorine atoms, the electron cloud density of adjacent and para-sites on the benzene ring changes, making electrophilic substitution reactions more likely to occur at these locations.
In addition, the chlorine atom of 2-chloro-1,3-dimethylbenzene can participate in nucleophilic substitution reactions. Under appropriate nucleophilic reagents and reaction conditions, the chlorine atom can be replaced by other groups, thereby deriving compounds with diverse structures. This property is of great significance in organic synthesis and can be used to construct various complex organic molecules.
Furthermore, its methyl group also has certain reactivity. Under the action of specific oxidants, methyl groups can be oxidized to other functional groups such as carboxyl groups, which further enriches the chemical reaction paths and product types of this compound.
In short, the chemical properties of 2-chloro-1,3-dimethylbenzene are rich, providing a broad space for organic synthesis and chemical production. Many studies and applications based on its properties continue to emerge, promoting the development of the chemical field.
Looking at its physical properties, 2-chloro-1,3-dimethylbenzene is mostly liquid at room temperature and has a special odor. Due to its molecular structure containing chlorine atoms and methyl groups, it is insoluble in water, but can be miscible with many organic solvents, such as ethanol and ether. Its boiling point and melting point are also determined by intermolecular forces, and the specific values can be accurately determined by experiments.
As for chemical properties, the presence of benzene rings makes 2-chloro-1,3-dimethylbenzene have the commonality of aromatic hydrocarbons. The electron cloud density of the benzene ring is high, and it is easily attacked by electrophilic reagents, and then electrophilic substitution reactions occur. For example, under certain conditions, it can undergo bromination reaction with bromine, and bromine atoms will replace hydrogen atoms on the benzene ring. At the same time, due to the influence of chlorine atoms, the electron cloud density of adjacent and para-sites on the benzene ring changes, making electrophilic substitution reactions more likely to occur at these locations.
In addition, the chlorine atom of 2-chloro-1,3-dimethylbenzene can participate in nucleophilic substitution reactions. Under appropriate nucleophilic reagents and reaction conditions, the chlorine atom can be replaced by other groups, thereby deriving compounds with diverse structures. This property is of great significance in organic synthesis and can be used to construct various complex organic molecules.
Furthermore, its methyl group also has certain reactivity. Under the action of specific oxidants, methyl groups can be oxidized to other functional groups such as carboxyl groups, which further enriches the chemical reaction paths and product types of this compound.
In short, the chemical properties of 2-chloro-1,3-dimethylbenzene are rich, providing a broad space for organic synthesis and chemical production. Many studies and applications based on its properties continue to emerge, promoting the development of the chemical field.
What are the physical properties of 2-chloro-1,3-dimethylbenzene?
2-Chloro-1,3-dimethylbenzene is an organic compound. It has the following physical properties:
Viewed at room temperature, it is a colorless to light yellow transparent liquid, clear and translucent, free of suspended impurities, and no precipitation. It is not beautiful, but it contains chemical mysteries.
Smell it and emit an aromatic smell, but this smell is not pleasant and has a certain irritation. If people are exposed to an environment containing this substance, the nasal cavity and respiratory tract may feel uncomfortable, so they need to avoid it.
Its boiling point is about 198-200 ° C. When heated to this temperature, the substance gradually converts from liquid to gas, and the molecules are energized to break free from the liquid phase. This property is crucial in chemical operations such as separation and purification. Distillation can be used to separate the mixture according to the difference in boiling point to obtain pure 2-chloro-1,3-dimethylbenzene.
Melting point is about -27 ° C. Below this temperature, the substance changes from liquid to solid state, and the molecular arrangement tends to be ordered from disorder to form a solid lattice. The exact value of the melting point is affected by purity. The higher the purity, the closer the melting point is to the theoretical value.
The density is about 1.07 g/cm ³, which is heavier than water. If mixed with water, it will sink to the bottom of the water. This density difference can be used in some separation processes. In terms of solubility, it is slightly soluble in water, because it is an organic compound with weak molecular polarity, while water is a polar solvent. According to the principle of "similarity and miscibility", the two are incompatible. However, it is soluble in many organic solvents, such as ethanol, ether, acetone, etc., and can be miscible with these organic solvents in any ratio. This property makes it often used as a solvent or reaction medium in organic synthesis and chemical production.
In addition, 2-chloro-1,3-dimethylbenzene is flammable, and can be burned in the event of an open flame or hot topic. When burned, the flame is bright, and it may be accompanied by black smoke. Due to its above-mentioned physical properties, it is necessary to take corresponding safety measures according to its characteristics during storage, transportation and use to prevent fires, leaks and other accidents, and to ensure the safety of personnel and the environment from pollution.
Viewed at room temperature, it is a colorless to light yellow transparent liquid, clear and translucent, free of suspended impurities, and no precipitation. It is not beautiful, but it contains chemical mysteries.
Smell it and emit an aromatic smell, but this smell is not pleasant and has a certain irritation. If people are exposed to an environment containing this substance, the nasal cavity and respiratory tract may feel uncomfortable, so they need to avoid it.
Its boiling point is about 198-200 ° C. When heated to this temperature, the substance gradually converts from liquid to gas, and the molecules are energized to break free from the liquid phase. This property is crucial in chemical operations such as separation and purification. Distillation can be used to separate the mixture according to the difference in boiling point to obtain pure 2-chloro-1,3-dimethylbenzene.
Melting point is about -27 ° C. Below this temperature, the substance changes from liquid to solid state, and the molecular arrangement tends to be ordered from disorder to form a solid lattice. The exact value of the melting point is affected by purity. The higher the purity, the closer the melting point is to the theoretical value.
The density is about 1.07 g/cm ³, which is heavier than water. If mixed with water, it will sink to the bottom of the water. This density difference can be used in some separation processes. In terms of solubility, it is slightly soluble in water, because it is an organic compound with weak molecular polarity, while water is a polar solvent. According to the principle of "similarity and miscibility", the two are incompatible. However, it is soluble in many organic solvents, such as ethanol, ether, acetone, etc., and can be miscible with these organic solvents in any ratio. This property makes it often used as a solvent or reaction medium in organic synthesis and chemical production.
In addition, 2-chloro-1,3-dimethylbenzene is flammable, and can be burned in the event of an open flame or hot topic. When burned, the flame is bright, and it may be accompanied by black smoke. Due to its above-mentioned physical properties, it is necessary to take corresponding safety measures according to its characteristics during storage, transportation and use to prevent fires, leaks and other accidents, and to ensure the safety of personnel and the environment from pollution.
What are the main uses of 2-chloro-1,3-dimethylbenzene?
2-Chloro-1,3-dimethylbenzene, also known as o-chloro-m-xylene, is a widely used raw material and intermediate in the field of organic compounds. Its main uses can be divided into the following:
First, it has made a lot of achievements in the field of pesticides. It can be used as a key intermediate in the synthesis of a variety of pesticides. If it is converted into a pesticide ingredient with high insecticidal and bactericidal properties through a specific chemical reaction, it is of great significance to protect crops from pests and diseases and improve the yield and quality of agricultural products. This is because the chemical structure of the compound gives it unique reactivity, which can be cleverly combined with many other compounds to generate pesticide products with specific biological activities.
Second, it also has extraordinary performance in pharmaceutical synthesis. As a pharmaceutical intermediate, it is indispensable in the synthesis of various drugs. Its chemical properties can participate in complex organic synthesis reactions, help to build the specific structure of drug molecules, and lay the foundation for the development and production of new drugs. For example, for some drugs with specific therapeutic effects, the synthesis path involves the participation of 2-chloro-1,3-dimethylbenzene.
Third, it has also emerged in the field of materials science. It can be used to synthesize special polymer materials. Due to its special structure, polymerization or other reactions can endow polymer materials with unique properties, such as higher thermal stability and chemical stability. Such special polymer materials are widely used in high-end fields such as aerospace, electronics and electrical appliances, and can meet their strict performance requirements for materials. Fourth, as an important raw material for organic synthesis, it can further derive various organic compounds with different functions and structures through a series of chemical reactions, such as substitution reactions, addition reactions, etc., providing a rich material basis for the development of organic synthetic chemistry and promoting the continuous development of scientific research and industrial production in related fields.
First, it has made a lot of achievements in the field of pesticides. It can be used as a key intermediate in the synthesis of a variety of pesticides. If it is converted into a pesticide ingredient with high insecticidal and bactericidal properties through a specific chemical reaction, it is of great significance to protect crops from pests and diseases and improve the yield and quality of agricultural products. This is because the chemical structure of the compound gives it unique reactivity, which can be cleverly combined with many other compounds to generate pesticide products with specific biological activities.
Second, it also has extraordinary performance in pharmaceutical synthesis. As a pharmaceutical intermediate, it is indispensable in the synthesis of various drugs. Its chemical properties can participate in complex organic synthesis reactions, help to build the specific structure of drug molecules, and lay the foundation for the development and production of new drugs. For example, for some drugs with specific therapeutic effects, the synthesis path involves the participation of 2-chloro-1,3-dimethylbenzene.
Third, it has also emerged in the field of materials science. It can be used to synthesize special polymer materials. Due to its special structure, polymerization or other reactions can endow polymer materials with unique properties, such as higher thermal stability and chemical stability. Such special polymer materials are widely used in high-end fields such as aerospace, electronics and electrical appliances, and can meet their strict performance requirements for materials. Fourth, as an important raw material for organic synthesis, it can further derive various organic compounds with different functions and structures through a series of chemical reactions, such as substitution reactions, addition reactions, etc., providing a rich material basis for the development of organic synthetic chemistry and promoting the continuous development of scientific research and industrial production in related fields.
What are the synthesis methods of 2-chloro-1,3-dimethylbenzene?
There are several methods for synthesizing 2-chloro-1,3-dimethylbenzene.
First, 1,3-dimethylbenzene is used as the starting material and can be obtained by halogenation reaction. In a suitable reaction vessel, put 1,3-dimethylbenzene, add an appropriate amount of catalyst, such as iron trichloride or iron powder. Then, under a certain temperature and stirring conditions, slowly introduce chlorine gas. This reaction mechanism is that chlorine atoms replace hydrogen atoms on the benzene ring under the action of catalysts to generate 2-chloro-1,3-dimethylbenzene. During the reaction process, care should be taken to control the reaction temperature and the rate of chlorine gas penetration to prevent the formation of polychlorinated compounds.
Second, it can be prepared from 2-nitro-1,3-dimethylbenzene by reduction, diazotization and chlorination. First, 1,3-dimethylbenzene is nitrified. Under suitable conditions, a mixed acid of nitric acid and sulfuric acid is used to nitrate 1,3-dimethylbenzene to form 2-nitro-1,3-dimethylbenzene. Next, the nitro group is reduced to an amino group by using a reducing agent, such as iron powder and hydrochloric acid, to obtain 2-amino-1,3-dimethylbenzene. After that, a diazotization reaction is carried out, and at low temperature, it interacts with sodium nitrite and hydrochloric acid to form a diazoic salt. Finally, under the action of cuprous chloride and other catalysts, the diazo group is replaced by chlorine atoms to obtain the target product 2-chloro-1,3-dimethylbenzene. Although there are many steps in this method, the purity and yield of the product can be improved through fine regulation of the reaction conditions of each step.
Third, using 1-chloro-3-methylbenzene as raw material, it can also be synthesized by methylation reaction. In a suitable reaction system, add 1-chloro-3-methylbenzene, methylating reagents such as iodomethane or dimethyl sulfate, and bases such as potassium carbonate. Under the appropriate temperature and reaction time, methyl in the methylating reagent replaces the hydrogen atom at a specific position on the benzene ring under the action of alkali to generate 2-chloro-1,3-dimethylbenzene. This process requires the selection of suitable methylating reagents and bases, and the control of reaction conditions to ensure the smooth progress of the reaction and good selectivity.
First, 1,3-dimethylbenzene is used as the starting material and can be obtained by halogenation reaction. In a suitable reaction vessel, put 1,3-dimethylbenzene, add an appropriate amount of catalyst, such as iron trichloride or iron powder. Then, under a certain temperature and stirring conditions, slowly introduce chlorine gas. This reaction mechanism is that chlorine atoms replace hydrogen atoms on the benzene ring under the action of catalysts to generate 2-chloro-1,3-dimethylbenzene. During the reaction process, care should be taken to control the reaction temperature and the rate of chlorine gas penetration to prevent the formation of polychlorinated compounds.
Second, it can be prepared from 2-nitro-1,3-dimethylbenzene by reduction, diazotization and chlorination. First, 1,3-dimethylbenzene is nitrified. Under suitable conditions, a mixed acid of nitric acid and sulfuric acid is used to nitrate 1,3-dimethylbenzene to form 2-nitro-1,3-dimethylbenzene. Next, the nitro group is reduced to an amino group by using a reducing agent, such as iron powder and hydrochloric acid, to obtain 2-amino-1,3-dimethylbenzene. After that, a diazotization reaction is carried out, and at low temperature, it interacts with sodium nitrite and hydrochloric acid to form a diazoic salt. Finally, under the action of cuprous chloride and other catalysts, the diazo group is replaced by chlorine atoms to obtain the target product 2-chloro-1,3-dimethylbenzene. Although there are many steps in this method, the purity and yield of the product can be improved through fine regulation of the reaction conditions of each step.
Third, using 1-chloro-3-methylbenzene as raw material, it can also be synthesized by methylation reaction. In a suitable reaction system, add 1-chloro-3-methylbenzene, methylating reagents such as iodomethane or dimethyl sulfate, and bases such as potassium carbonate. Under the appropriate temperature and reaction time, methyl in the methylating reagent replaces the hydrogen atom at a specific position on the benzene ring under the action of alkali to generate 2-chloro-1,3-dimethylbenzene. This process requires the selection of suitable methylating reagents and bases, and the control of reaction conditions to ensure the smooth progress of the reaction and good selectivity.
What should be paid attention to when storing and transporting 2-chloro-1,3-dimethylbenzene?
2-Chloro-1,3-dimethylbenzene is an organic compound. When storing and transporting, the following numbers should be paid special attention to:
First, it is related to storage:
This substance has certain toxicity and volatility, and should be stored in a cool and well-ventilated place. If placed in a high temperature environment, its volatility will not only cause material loss, but also volatile gases will accumulate in the air, or cause safety accidents such as poisoning. The temperature of the warehouse should be strictly controlled, generally not more than 30 ° C. At the same time, it should be kept away from fire and heat sources, because the compound is flammable, and it is easy to burn and explode in case of open flames and hot topics. The lighting, ventilation and other facilities in the warehouse must be explosion-proof, and the switch should also be set outside the warehouse, so as to avoid danger caused by sparks generated by electrical equipment. It also needs to be stored separately from oxidants, acids, alkalis, etc., and must not be mixed. Because contact with these substances may cause severe chemical reactions, resulting in danger. The storage area should be regularly inspected to check whether the packaging is damaged. If there is leakage, it must be properly handled in a timely manner to prevent the spread of leaked substances from causing environmental pollution and safety hazards.
Second, regarding transportation:
Before transportation, it is necessary to ensure that the packaging is complete and well sealed. Packaging materials should have good corrosion resistance and pressure resistance to prevent the leakage of goods due to package damage during transportation. During transportation, it is necessary to strictly follow the relevant regulations on the transportation of dangerous goods, and select transportation enterprises and vehicles with corresponding qualifications. Vehicles should be equipped with necessary fire-fighting equipment and leakage emergency treatment equipment, so that they can take prompt response measures in case of emergencies. During transportation, always pay attention to traffic safety to avoid vehicle collisions, tipping and other accidents. Drivers and escorts need to undergo professional training and be familiar with the properties, hazards and emergency treatment methods of 2-chloro-1,3-dimethylbenzene. Transportation routes should try to avoid sensitive areas such as densely populated areas and water sources to reduce the harm that may be caused in the event of an accident.
All these precautions are to ensure the safety of 2-chloro-1,3-dimethylbenzene during storage and transportation, and to avoid unnecessary damage to personnel and the environment.
First, it is related to storage:
This substance has certain toxicity and volatility, and should be stored in a cool and well-ventilated place. If placed in a high temperature environment, its volatility will not only cause material loss, but also volatile gases will accumulate in the air, or cause safety accidents such as poisoning. The temperature of the warehouse should be strictly controlled, generally not more than 30 ° C. At the same time, it should be kept away from fire and heat sources, because the compound is flammable, and it is easy to burn and explode in case of open flames and hot topics. The lighting, ventilation and other facilities in the warehouse must be explosion-proof, and the switch should also be set outside the warehouse, so as to avoid danger caused by sparks generated by electrical equipment. It also needs to be stored separately from oxidants, acids, alkalis, etc., and must not be mixed. Because contact with these substances may cause severe chemical reactions, resulting in danger. The storage area should be regularly inspected to check whether the packaging is damaged. If there is leakage, it must be properly handled in a timely manner to prevent the spread of leaked substances from causing environmental pollution and safety hazards.
Second, regarding transportation:
Before transportation, it is necessary to ensure that the packaging is complete and well sealed. Packaging materials should have good corrosion resistance and pressure resistance to prevent the leakage of goods due to package damage during transportation. During transportation, it is necessary to strictly follow the relevant regulations on the transportation of dangerous goods, and select transportation enterprises and vehicles with corresponding qualifications. Vehicles should be equipped with necessary fire-fighting equipment and leakage emergency treatment equipment, so that they can take prompt response measures in case of emergencies. During transportation, always pay attention to traffic safety to avoid vehicle collisions, tipping and other accidents. Drivers and escorts need to undergo professional training and be familiar with the properties, hazards and emergency treatment methods of 2-chloro-1,3-dimethylbenzene. Transportation routes should try to avoid sensitive areas such as densely populated areas and water sources to reduce the harm that may be caused in the event of an accident.
All these precautions are to ensure the safety of 2-chloro-1,3-dimethylbenzene during storage and transportation, and to avoid unnecessary damage to personnel and the environment.
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