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2-Chloro-1,4-Dimethylbenzene
Linshang Chemical
|
HS Code |
934949 |
| Chemical Formula | C8H9Cl |
| Molar Mass | 140.61 g/mol |
| Appearance | Colorless to light yellow liquid |
| Odor | Aromatic odor |
| Density | 1.058 g/cm³ (at 20°C) |
| Boiling Point | 195 - 197°C |
| Melting Point | -25°C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in many organic solvents like ethanol, ether |
| Flash Point | 71°C |
As an accredited 2-Chloro-1,4-Dimethylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2 - chloro - 1,4 - dimethylbenzene in 500 - gram bottles for chemical packaging. |
| Storage | 2 - Chloro - 1,4 - dimethylbenzene should be stored in a cool, well - ventilated area, away from heat sources and open flames as it is flammable. Keep it in a tightly sealed container to prevent vapor leakage. Store it separately from oxidizing agents, as they can react violently. Ensure the storage area has proper spill - containment measures to handle any accidental releases safely. |
| Shipping | 2 - chloro - 1,4 - dimethylbenzene is shipped in well - sealed, corrosion - resistant containers. These are carefully packed in sturdy outer packaging. Shipments follow strict hazardous material regulations to ensure safe transport. |
Competitive 2-Chloro-1,4-Dimethylbenzene prices that fit your budget—flexible terms and customized quotes for every order.
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What is the Chinese name of 2-chloro-1,4-dimethylbenzene?
2-Chloro-1,4-dimethylbenzene is one of the organic compounds. Its naming follows the naming rules of organic chemistry. "2-chloro" indicates that the chlorine atom is at the 2nd position of the benzene ring; "1,4-dimethyl" refers to the two methyl groups at the 1st and 4th positions of the benzene ring, respectively.
The name of this compound, according to the nomenclature, first determine the parent as benzene, and then list the substituents according to the order of order. Both chlorine atoms and methyl groups are common substituents, and their positions on the benzene ring are indicated by numbers. Chlorine atoms are more electronegative, but when naming simple substituents, they are first called "2-chlorine", and then "1,4-dimethyl", which is combined with "2-chloro-1,4-dimethylbenzene". This name accurately describes its structure, which is of great significance in the fields of organic chemistry research, chemical production and other fields, and is convenient for scholars and practitioners to accurately identify and communicate related substances.
The name of this compound, according to the nomenclature, first determine the parent as benzene, and then list the substituents according to the order of order. Both chlorine atoms and methyl groups are common substituents, and their positions on the benzene ring are indicated by numbers. Chlorine atoms are more electronegative, but when naming simple substituents, they are first called "2-chlorine", and then "1,4-dimethyl", which is combined with "2-chloro-1,4-dimethylbenzene". This name accurately describes its structure, which is of great significance in the fields of organic chemistry research, chemical production and other fields, and is convenient for scholars and practitioners to accurately identify and communicate related substances.
What are the physical properties of 2-chloro-1,4-dimethylbenzene?
2-Chloro-1,4-dimethylbenzene, also known as p-chloro-xylene, is an organic compound with unique physical properties, which is described in detail by you today.
Looking at its properties, under room temperature and pressure, this substance appears as a colorless to light yellow liquid, like a quiet and faint spring, placed in front of the eyes, clear and slightly yellowish, with a luster flowing, showing its unique temperament.
When it comes to smell, it exudes a special smell similar to aromatic hydrocarbons, just like the fragrance of flowers, but it is unique, quietly diffusing in the air, if not, attracting people to explore.
Its boiling point is about 196 ° C. When the temperature rises to this point, it is like a butterfly breaking the cocoon, transforming from liquid light to gaseous and rising. The melting point is -17 ° C. At this low temperature, it will solidify, like time freezes, showing a different solid state scene.
2-chloro-1,4-dimethylbenzene has a slightly higher density than water, about 1.06g/cm ³, just like a stable stone. When thrown into water, it slowly sinks and hides under the water.
In terms of solubility, it is insoluble in water, and it is like a solitary guest in water, distinct from water; but it is soluble in most organic solvents such as ethanol, ether, acetone, etc., such as fish water, which can perfectly blend with these organic solvents to form a uniform system.
In addition, this substance is volatile, and in the air, molecules continue to move and escape, gradually diffusing. Its vapor is heavier than air, and it is easy to accumulate in the lower part, like an invisible cloud, quietly settling to the lower part. The physical properties of 2-chloro-1,4-dimethylbenzene determine its use in many fields such as the chemical industry, and also require specific specifications for storage and use to prevent accidents.
Looking at its properties, under room temperature and pressure, this substance appears as a colorless to light yellow liquid, like a quiet and faint spring, placed in front of the eyes, clear and slightly yellowish, with a luster flowing, showing its unique temperament.
When it comes to smell, it exudes a special smell similar to aromatic hydrocarbons, just like the fragrance of flowers, but it is unique, quietly diffusing in the air, if not, attracting people to explore.
Its boiling point is about 196 ° C. When the temperature rises to this point, it is like a butterfly breaking the cocoon, transforming from liquid light to gaseous and rising. The melting point is -17 ° C. At this low temperature, it will solidify, like time freezes, showing a different solid state scene.
2-chloro-1,4-dimethylbenzene has a slightly higher density than water, about 1.06g/cm ³, just like a stable stone. When thrown into water, it slowly sinks and hides under the water.
In terms of solubility, it is insoluble in water, and it is like a solitary guest in water, distinct from water; but it is soluble in most organic solvents such as ethanol, ether, acetone, etc., such as fish water, which can perfectly blend with these organic solvents to form a uniform system.
In addition, this substance is volatile, and in the air, molecules continue to move and escape, gradually diffusing. Its vapor is heavier than air, and it is easy to accumulate in the lower part, like an invisible cloud, quietly settling to the lower part. The physical properties of 2-chloro-1,4-dimethylbenzene determine its use in many fields such as the chemical industry, and also require specific specifications for storage and use to prevent accidents.
What are the chemical properties of 2-chloro-1,4-dimethylbenzene?
2-Chloro-1,4-dimethylbenzene, also known as p-chloro-xylene, is a member of the family of organic compounds. It has unique physical and chemical properties and is widely used in organic synthesis and chemical industry.
Looking at its physical properties, under normal conditions, 2-chloro-1,4-dimethylbenzene is mostly colorless to light yellow liquid with a special aromatic odor. Its boiling point is about 195 ° C, its melting point is about -22 ° C, and its density is nearly 0.99g/cm ³. Due to its limited molecular polarity, it is difficult to dissolve in water, but it is easily soluble in common organic solvents such as ethanol, ether, and acetone.
As for chemical properties, the chlorine atom in this compound is its key activity check point. Due to the electron-withdrawing effect of chlorine atoms, the electron cloud density of benzene rings changes, and the activity of electrophilic substitution reactions changes. For example, under suitable catalyst and reaction conditions, nitrification and sulfuric acid can occur with nitric acid, sulfuric acid and other reagents. Among them, in the nitrification reaction, the nitro group tends to replace the chlorine atom ortho or para-hydrogen atom on the benzene ring to form chlorinated nitroxylene derivatives. This reaction is commonly used in the synthesis of nitrogen-containing organic compounds in fine chemicals.
Furthermore, the chlorine atom in 2-chloro-1,4-dimethylbenzene can participate in the nucleophilic substitution reaction. In case of nucleophilic reagents such as sodium alcohol and amines, chlorine atoms can be replaced by corresponding nucleophilic groups to derive a series of new organic compounds. Like reacting with sodium ethanol, chlorine atoms are replaced by ethoxy groups to obtain ether compounds; reacting with ammonia or amines, nitrogen-containing derivatives are formed, which is of great significance in the field of drug synthesis and pesticide preparation.
In addition, methyl groups on the 2-chloro-1,4-dimethylbenzene ring also have certain reactivity. Under the action of specific oxidants, methyl groups can be oxidized to oxygen-containing functional groups such as carboxyl groups, further expanding their applications in organic synthesis, such as preparing carboxyl-containing aromatic compounds for the synthesis of pharmaceutical intermediates or high-performance polymer monomers.
Looking at its physical properties, under normal conditions, 2-chloro-1,4-dimethylbenzene is mostly colorless to light yellow liquid with a special aromatic odor. Its boiling point is about 195 ° C, its melting point is about -22 ° C, and its density is nearly 0.99g/cm ³. Due to its limited molecular polarity, it is difficult to dissolve in water, but it is easily soluble in common organic solvents such as ethanol, ether, and acetone.
As for chemical properties, the chlorine atom in this compound is its key activity check point. Due to the electron-withdrawing effect of chlorine atoms, the electron cloud density of benzene rings changes, and the activity of electrophilic substitution reactions changes. For example, under suitable catalyst and reaction conditions, nitrification and sulfuric acid can occur with nitric acid, sulfuric acid and other reagents. Among them, in the nitrification reaction, the nitro group tends to replace the chlorine atom ortho or para-hydrogen atom on the benzene ring to form chlorinated nitroxylene derivatives. This reaction is commonly used in the synthesis of nitrogen-containing organic compounds in fine chemicals.
Furthermore, the chlorine atom in 2-chloro-1,4-dimethylbenzene can participate in the nucleophilic substitution reaction. In case of nucleophilic reagents such as sodium alcohol and amines, chlorine atoms can be replaced by corresponding nucleophilic groups to derive a series of new organic compounds. Like reacting with sodium ethanol, chlorine atoms are replaced by ethoxy groups to obtain ether compounds; reacting with ammonia or amines, nitrogen-containing derivatives are formed, which is of great significance in the field of drug synthesis and pesticide preparation.
In addition, methyl groups on the 2-chloro-1,4-dimethylbenzene ring also have certain reactivity. Under the action of specific oxidants, methyl groups can be oxidized to oxygen-containing functional groups such as carboxyl groups, further expanding their applications in organic synthesis, such as preparing carboxyl-containing aromatic compounds for the synthesis of pharmaceutical intermediates or high-performance polymer monomers.
What are the main uses of 2-chloro-1,4-dimethylbenzene?
2-Chloro-1,4-dimethylbenzene, also known as p-chloro-xylene, is a widely used substance. In the field of organic synthesis, it is a key intermediate. It can be derived from many chemical reactions, such as substitution reactions, which can prepare products containing different functional groups, laying the foundation for the synthesis of multiple and complex organic molecules.
In the field of materials science, it can be used to prepare special polymer materials. After a specific polymerization reaction, its structure is integrated into the polymer chain, giving the material unique properties, such as improving the heat resistance and chemical corrosion resistance of the material, which is of great significance in aerospace, electronics and other fields that require strict material properties.
In the fine chemical industry, 2-chloro-1,4-dimethylbenzene is a raw material for the preparation of various fine chemicals. Like the preparation of special-purpose dyes and pigments, they can be modified by their structure to endow dyes and pigments with unique color, light resistance and other properties; in the synthesis of fragrances, they are converted into compounds with special aromas through a series of reactions to enrich the variety of fragrances.
In the field of medicinal chemistry, it also has potential value. As a starting material, the active molecular skeleton of drugs is constructed through multi-step reactions, providing the possibility for the development of new drugs. With its unique chemical structure, 2-chloro-1,4-dimethylbenzene plays a key role in a wide range of fields, contributing significantly to technological development and innovation in various fields.
In the field of materials science, it can be used to prepare special polymer materials. After a specific polymerization reaction, its structure is integrated into the polymer chain, giving the material unique properties, such as improving the heat resistance and chemical corrosion resistance of the material, which is of great significance in aerospace, electronics and other fields that require strict material properties.
In the fine chemical industry, 2-chloro-1,4-dimethylbenzene is a raw material for the preparation of various fine chemicals. Like the preparation of special-purpose dyes and pigments, they can be modified by their structure to endow dyes and pigments with unique color, light resistance and other properties; in the synthesis of fragrances, they are converted into compounds with special aromas through a series of reactions to enrich the variety of fragrances.
In the field of medicinal chemistry, it also has potential value. As a starting material, the active molecular skeleton of drugs is constructed through multi-step reactions, providing the possibility for the development of new drugs. With its unique chemical structure, 2-chloro-1,4-dimethylbenzene plays a key role in a wide range of fields, contributing significantly to technological development and innovation in various fields.
What are the synthesis methods of 2-chloro-1,4-dimethylbenzene?
There are several methods for preparing 2-chloro-1,4-dimethylbenzene. One is to start with 1,4-dimethylbenzene, so that it can be chlorinated with chlorine under appropriate reaction conditions. Among them, suitable catalysts, such as ferric chloride, can be selected to promote the reaction. During the reaction, attention should be paid to temperature control, usually within a certain temperature range, such as room temperature to tens of degrees Celsius, before the chlorine atom can selectively replace the hydrogen atom at a specific position on the benzene ring, so as to obtain the target product 2-chloro-1,4-dimethylbenzene.
There is another way to first convert 1,4-dimethyl benzene into a specific functional group, introducing a group that is easily replaced by chlorine atoms. For example, first make 1,4-dimethyl benzene into the corresponding sulfonate derivative. After this derivative interacts with chlorination reagents, such as thionyl chloride, the sulfonate group can be replaced by chlorine atoms. After subsequent treatment, 2-chloro-1,4-dimethyl benzene can also be obtained.
Furthermore, it can also be achieved through some complex organic synthesis routes. For example, a larger molecule containing 1,4-dimethylbenzene structure is first constructed, and then a series of reactions are carried out to selectively introduce chlorine atoms at specific positions, and then cut off and other steps to obtain the target product. However, this route may be more cumbersome and requires high reaction conditions and operation skills.
The method of preparing 2-chloro-1,4-dimethylbenzene has its own advantages and disadvantages. In practical application, it is necessary to choose carefully according to factors such as the availability of raw materials, the ease of control of reaction conditions, and the purity requirements of the product.
There is another way to first convert 1,4-dimethyl benzene into a specific functional group, introducing a group that is easily replaced by chlorine atoms. For example, first make 1,4-dimethyl benzene into the corresponding sulfonate derivative. After this derivative interacts with chlorination reagents, such as thionyl chloride, the sulfonate group can be replaced by chlorine atoms. After subsequent treatment, 2-chloro-1,4-dimethyl benzene can also be obtained.
Furthermore, it can also be achieved through some complex organic synthesis routes. For example, a larger molecule containing 1,4-dimethylbenzene structure is first constructed, and then a series of reactions are carried out to selectively introduce chlorine atoms at specific positions, and then cut off and other steps to obtain the target product. However, this route may be more cumbersome and requires high reaction conditions and operation skills.
The method of preparing 2-chloro-1,4-dimethylbenzene has its own advantages and disadvantages. In practical application, it is necessary to choose carefully according to factors such as the availability of raw materials, the ease of control of reaction conditions, and the purity requirements of the product.
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