Linshang Chemical
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2-Bromo-1-Chloro-3-Methylbenzene
Linshang Chemical
|
HS Code |
824196 |
| Chemical Formula | C7H6BrCl |
| Molar Mass | 207.48 g/mol |
| Appearance | Liquid (usually) |
| Boiling Point | Around 217 - 219 °C |
| Density | Approximately 1.59 - 1.62 g/cm³ |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in common organic solvents like ethanol, ether, etc. |
| Flash Point | Likely around 90 - 95 °C |
| Odor | Characteristic aromatic odor |
As an accredited 2-Bromo-1-Chloro-3-Methylbenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100 - gram bottle of 2 - bromo - 1 - chloro - 3 - methylbenzene, well - sealed for storage. |
| Storage | 2 - bromo - 1 - chloro - 3 - methylbenzene should be stored in a cool, dry, well - ventilated area away from heat sources and open flames. Keep it in a tightly sealed container to prevent vapor leakage. Store it separately from oxidizing agents, strong acids, and bases as it may react with them. Use appropriate storage cabinets designed for hazardous chemicals. |
| Shipping | 2 - bromo - 1 - chloro - 3 - methylbenzene is shipped in well - sealed, corrosion - resistant containers. Shipment follows strict chemical transportation regulations, ensuring proper labeling and safety measures to prevent spills and exposure during transit. |
Competitive 2-Bromo-1-Chloro-3-Methylbenzene prices that fit your budget—flexible terms and customized quotes for every order.
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What is the Chinese name of 2-bromo-1-chloro-3-methylbenzene?
2-Bromo-1-chloro-3-methylbenzene, this is the name of an organic compound. According to the ancient expression of "Tiangong Kaiwu", it should be interpreted in the following way.
The name of an organic compound is related to the identification of the characteristics and structure of chemical substances. In 2-bromo-1-chloro-3-methylbenzene, "benzene" is a hexagonal cyclic hydrocarbon parent structure with special stability. The hydrogen atom on the ring can be replaced by different atoms or groups.
"2-bromo" means that the hydrogen on the second carbon atom of the benzene ring is replaced by the bromine atom. Bromine, one of the halogen elements, is often used as an active check point in organic synthesis to affect the reactivity of compounds. "1-chlorine" indicates that the hydrogen on the first carbon atom of the benzene ring is replaced by the chlorine atom. Chlorine is also a halogen element, similar to bromine, which imparts specific chemical properties to the compound.
"3-methyl" refers to the hydrogen on the third carbon atom of the benzene ring being replaced by methyl. Methyl is the simplest alkyl group, and its presence alters the electron cloud distribution of the benzene ring, which in turn affects the physical and chemical properties of the compound.
This naming clearly shows the position and type of each substituent in the compound, allowing chemists to accurately identify and study the substance. Through this naming, its structural characteristics can be known, which lays the foundation for chemical research such as organic synthesis and property exploration, and also provides a universal and accurate language for communication in the field of chemistry.
The name of an organic compound is related to the identification of the characteristics and structure of chemical substances. In 2-bromo-1-chloro-3-methylbenzene, "benzene" is a hexagonal cyclic hydrocarbon parent structure with special stability. The hydrogen atom on the ring can be replaced by different atoms or groups.
"2-bromo" means that the hydrogen on the second carbon atom of the benzene ring is replaced by the bromine atom. Bromine, one of the halogen elements, is often used as an active check point in organic synthesis to affect the reactivity of compounds. "1-chlorine" indicates that the hydrogen on the first carbon atom of the benzene ring is replaced by the chlorine atom. Chlorine is also a halogen element, similar to bromine, which imparts specific chemical properties to the compound.
"3-methyl" refers to the hydrogen on the third carbon atom of the benzene ring being replaced by methyl. Methyl is the simplest alkyl group, and its presence alters the electron cloud distribution of the benzene ring, which in turn affects the physical and chemical properties of the compound.
This naming clearly shows the position and type of each substituent in the compound, allowing chemists to accurately identify and study the substance. Through this naming, its structural characteristics can be known, which lays the foundation for chemical research such as organic synthesis and property exploration, and also provides a universal and accurate language for communication in the field of chemistry.
What are the chemical properties of 2-bromo-1-chloro-3-methylbenzene?
2-Bromo-1-chloro-3-methylbenzene is one of the organic compounds with unique chemical properties. Its properties have attracted much attention in the field of organic synthesis and can be used as intermediates to produce a variety of complex organic molecules.
The first word is the nucleophilic substitution reaction. Because of the bromine and chlorine halogen atoms on the benzene ring, the halogen atoms have strong electron-absorbing properties, resulting in a decrease in the electron cloud density of the benzene ring, especially the ortho and para-sites. However, under the action of nucleophiles, the halogen atoms can be replaced by nucleophilic groups. In case of strong nucleophilic reagents, such as sodium alcohol, amines, etc., bromine or chlorine atoms can be replaced by alkoxy groups and amino groups, resulting in the generation of new organic compounds, which is of great significance in the creation of new drugs and materials.
The second discussion on the electrophilic substitution reaction. Although the halogen atom is an electron-withdrawing group, the electron cloud density of the benzene ring decreases and the reactivity decreases, but the methyl group is the power supply group, which can cause the electron cloud density of the benzene ring to increase in its adjacent and para-position. Therefore, when the electrophilic reagent attacks, it is easy to replace the methyl group in the adjacent and para-position. Such as nitrification reaction, using the mixture of concentrated nitric acid and concentrated sulfuric acid as the nitrifying agent, nitro groups can be introduced at specific positions in the benzene ring to obtain
There are free radical reactions. When excited by external energy, such as light or heat, the halogen atoms in 2-bromo-1-chloro-3-methyl benzene can be uniformly split into free radicals, triggering a series of free radical reactions. This has unique uses in some special organic synthesis pathways, assisting chemists in constructing special structures of organic molecules.
In addition, the physical properties of 2-bromo-1-chloro-3-methyl benzene also affect its reactivity. It is a volatile liquid with good solubility in organic solvents. This property affects the choice of reaction conditions, product separation and purification during organic synthesis operations. Chemists need to choose the appropriate solvent, reaction temperature and time according to their properties to achieve the best reaction effect.
The first word is the nucleophilic substitution reaction. Because of the bromine and chlorine halogen atoms on the benzene ring, the halogen atoms have strong electron-absorbing properties, resulting in a decrease in the electron cloud density of the benzene ring, especially the ortho and para-sites. However, under the action of nucleophiles, the halogen atoms can be replaced by nucleophilic groups. In case of strong nucleophilic reagents, such as sodium alcohol, amines, etc., bromine or chlorine atoms can be replaced by alkoxy groups and amino groups, resulting in the generation of new organic compounds, which is of great significance in the creation of new drugs and materials.
The second discussion on the electrophilic substitution reaction. Although the halogen atom is an electron-withdrawing group, the electron cloud density of the benzene ring decreases and the reactivity decreases, but the methyl group is the power supply group, which can cause the electron cloud density of the benzene ring to increase in its adjacent and para-position. Therefore, when the electrophilic reagent attacks, it is easy to replace the methyl group in the adjacent and para-position. Such as nitrification reaction, using the mixture of concentrated nitric acid and concentrated sulfuric acid as the nitrifying agent, nitro groups can be introduced at specific positions in the benzene ring to obtain
There are free radical reactions. When excited by external energy, such as light or heat, the halogen atoms in 2-bromo-1-chloro-3-methyl benzene can be uniformly split into free radicals, triggering a series of free radical reactions. This has unique uses in some special organic synthesis pathways, assisting chemists in constructing special structures of organic molecules.
In addition, the physical properties of 2-bromo-1-chloro-3-methyl benzene also affect its reactivity. It is a volatile liquid with good solubility in organic solvents. This property affects the choice of reaction conditions, product separation and purification during organic synthesis operations. Chemists need to choose the appropriate solvent, reaction temperature and time according to their properties to achieve the best reaction effect.
What are the main uses of 2-bromo-1-chloro-3-methylbenzene?
2-Bromo-1-chloro-3-methylbenzene is one of the organic compounds. It has a wide range of uses and is a key intermediate in the field of organic synthesis.
First, it is often used as a starting material in the synthesis of medicine. Due to the specific substitution pattern of bromine, chlorine and methyl on the benzene ring, this compound has unique reactivity and spatial structure. It can introduce other functional groups through many chemical reactions, such as nucleophilic substitution, coupling reactions, etc., and then construct complex molecular structures with biological activities, laying the foundation for the development of new drugs.
Second, it also has important applications in the field of materials science. After a specific chemical reaction, it can be integrated into the structure of the polymer material. In this way, the properties of the polymer material may be improved, such as thermal stability, mechanical properties and optical properties. The presence of halogen atoms and methyl groups in this compound can interact with other molecules or materials to achieve precise regulation of material properties.
Third, in the pesticide synthesis industry, 2-bromo-1-chloro-3-methylbenzene is also indispensable. Due to its structural properties, it can undergo a series of chemical transformations to generate compounds with insecticidal, bactericidal or herbicidal activities. By modifying and optimizing its structure, more efficient, low-toxic and environmentally friendly pesticide products can be developed.
In conclusion, although 2-bromo-1-chloro-3-methylbenzene is a small organic molecule, it has shown important application value in many fields such as medicine, materials, and pesticides. It is actually a compound worthy of in-depth study and utilization in the field of organic chemistry.
First, it is often used as a starting material in the synthesis of medicine. Due to the specific substitution pattern of bromine, chlorine and methyl on the benzene ring, this compound has unique reactivity and spatial structure. It can introduce other functional groups through many chemical reactions, such as nucleophilic substitution, coupling reactions, etc., and then construct complex molecular structures with biological activities, laying the foundation for the development of new drugs.
Second, it also has important applications in the field of materials science. After a specific chemical reaction, it can be integrated into the structure of the polymer material. In this way, the properties of the polymer material may be improved, such as thermal stability, mechanical properties and optical properties. The presence of halogen atoms and methyl groups in this compound can interact with other molecules or materials to achieve precise regulation of material properties.
Third, in the pesticide synthesis industry, 2-bromo-1-chloro-3-methylbenzene is also indispensable. Due to its structural properties, it can undergo a series of chemical transformations to generate compounds with insecticidal, bactericidal or herbicidal activities. By modifying and optimizing its structure, more efficient, low-toxic and environmentally friendly pesticide products can be developed.
In conclusion, although 2-bromo-1-chloro-3-methylbenzene is a small organic molecule, it has shown important application value in many fields such as medicine, materials, and pesticides. It is actually a compound worthy of in-depth study and utilization in the field of organic chemistry.
What are the preparation methods of 2-bromo-1-chloro-3-methylbenzene?
There are several ways to prepare 2-bromo-1-chloro-3-methylbenzene.
First, 3-methylaniline is used as the starting material. First, 3-methylaniline is salted with hydrochloric acid, and then diazonium is reacted with sodium nitrite at low temperature to obtain diazonium salt. Subsequently, the diazonium salt is reacted with a mixture of cuprous bromide and hydrobromic acid to undergo a Sandmeier reaction, and bromine atoms can be introduced to obtain 2-bromo-3-methylaniline. Then, 2-bromo-3-methylaniline is chlorinated, and a suitable chlorination reagent is selected, such as chlorine gas. Under specific conditions, chlorine atoms can be introduced at suitable positions in the benzene ring to obtain 2-bromo-1-chloro-3-methylbenzene.
Second, m-cresol is used as the starting material. M-cresol first interacts with phosphorus tribromide, and the phenolic hydroxyl group is replaced by the bromine atom to generate 3-methylbromobenzene. Afterwards, in the presence of a suitable catalyst, such as iron powder or ferric chloride, 3-methylbromobenzene undergoes an electrophilic substitution reaction with chlorine gas. Because methyl is an ortho-para-locator, the reaction conditions can be controlled so that the chlorine atom can mainly replace the ortho-site of the bromine atom to obtain the target product 2-bromo-1-chloro-3-methylbenzene.
Third, 1-chloro-3-methylbenzene is used as the raw material. In an appropriate reaction system, such as in an organic solvent, with peroxide as the initiator, under light or heating conditions, 1-chloro-3-methyl benzene and N-bromosuccinimide (NBS) undergo radical substitution reaction, bromine atoms can be introduced into the benzene ring, and 2-bromo-1-chloro-3-methyl benzene can be obtained after proper separation and purification. The above methods have their own advantages and disadvantages. According to the actual situation, the factors such as the availability of raw materials, the difficulty of reaction conditions, and the high yield should be weighed, and the appropriate method should be selected for preparation.
First, 3-methylaniline is used as the starting material. First, 3-methylaniline is salted with hydrochloric acid, and then diazonium is reacted with sodium nitrite at low temperature to obtain diazonium salt. Subsequently, the diazonium salt is reacted with a mixture of cuprous bromide and hydrobromic acid to undergo a Sandmeier reaction, and bromine atoms can be introduced to obtain 2-bromo-3-methylaniline. Then, 2-bromo-3-methylaniline is chlorinated, and a suitable chlorination reagent is selected, such as chlorine gas. Under specific conditions, chlorine atoms can be introduced at suitable positions in the benzene ring to obtain 2-bromo-1-chloro-3-methylbenzene.
Second, m-cresol is used as the starting material. M-cresol first interacts with phosphorus tribromide, and the phenolic hydroxyl group is replaced by the bromine atom to generate 3-methylbromobenzene. Afterwards, in the presence of a suitable catalyst, such as iron powder or ferric chloride, 3-methylbromobenzene undergoes an electrophilic substitution reaction with chlorine gas. Because methyl is an ortho-para-locator, the reaction conditions can be controlled so that the chlorine atom can mainly replace the ortho-site of the bromine atom to obtain the target product 2-bromo-1-chloro-3-methylbenzene.
Third, 1-chloro-3-methylbenzene is used as the raw material. In an appropriate reaction system, such as in an organic solvent, with peroxide as the initiator, under light or heating conditions, 1-chloro-3-methyl benzene and N-bromosuccinimide (NBS) undergo radical substitution reaction, bromine atoms can be introduced into the benzene ring, and 2-bromo-1-chloro-3-methyl benzene can be obtained after proper separation and purification. The above methods have their own advantages and disadvantages. According to the actual situation, the factors such as the availability of raw materials, the difficulty of reaction conditions, and the high yield should be weighed, and the appropriate method should be selected for preparation.
What impact does 2-bromo-1-chloro-3-methylbenzene have on the environment?
2-Bromo-1-chloro-3-methylbenzene is one of the organic compounds. Its impact on the environment is quite complex and cannot be ignored.
First of all, its physical properties, this compound has a certain volatility, under room temperature, or emitted in the atmosphere, mixed with the air. However, its volatility is weaker than that of volatile organic compounds of small molecules, so the diffusion rate in the atmosphere is slightly slower. And because of its halogen atoms, it is slightly toxic. If people breathe air containing this compound, or cause respiratory discomfort, they may damage the lungs and nervous system if they stay in this environment for a long time.
Furthermore, in the aquatic environment, 2-bromo-1-chloro-3-methylbenzene is insoluble in water, and the density is slightly higher than that of water, so it may sink to the bottom after entering the water. However, it can be adsorbed by suspended particles in the water and migrate with the water flow. If aquatic organisms are exposed to this compound, they may be harmed. For example, it may interfere with the physiological and metabolic processes of aquatic organisms, damage the gill tissue of fish, hinder their respiration; or affect the photosynthesis of algae, and destroy the ecological balance of water bodies.
As for the soil environment, 2-bromo-1-chloro-3-methylbenzene can be adsorbed by soil particles, causing it to remain in the soil. This compound may inhibit the activity of soil microorganisms, hinder the decomposition and transformation of organic matter in the soil, and then affect soil fertility and structure. If plant roots come into contact with soil containing this compound, or absorb it and accumulate it in the body, it will affect plant growth and development, and even change the genetic characteristics of plants.
And because of its halogen atoms, it is highly stable in the environment, and natural degradation is quite difficult. Natural factors such as sunlight and microorganisms have limited decomposition effects on it, or they remain in the environment for a long time, causing a wider range of pollution and increasing harm.
It is important to note that 2-bromo-1-chloro-3-methylbenzene can cause negative effects in the atmosphere, water and soil environment, threatening ecological balance and biological health. Therefore, it is necessary to pay attention to it. Proper methods should be found to control its emissions and reduce its residues in the environment.
First of all, its physical properties, this compound has a certain volatility, under room temperature, or emitted in the atmosphere, mixed with the air. However, its volatility is weaker than that of volatile organic compounds of small molecules, so the diffusion rate in the atmosphere is slightly slower. And because of its halogen atoms, it is slightly toxic. If people breathe air containing this compound, or cause respiratory discomfort, they may damage the lungs and nervous system if they stay in this environment for a long time.
Furthermore, in the aquatic environment, 2-bromo-1-chloro-3-methylbenzene is insoluble in water, and the density is slightly higher than that of water, so it may sink to the bottom after entering the water. However, it can be adsorbed by suspended particles in the water and migrate with the water flow. If aquatic organisms are exposed to this compound, they may be harmed. For example, it may interfere with the physiological and metabolic processes of aquatic organisms, damage the gill tissue of fish, hinder their respiration; or affect the photosynthesis of algae, and destroy the ecological balance of water bodies.
As for the soil environment, 2-bromo-1-chloro-3-methylbenzene can be adsorbed by soil particles, causing it to remain in the soil. This compound may inhibit the activity of soil microorganisms, hinder the decomposition and transformation of organic matter in the soil, and then affect soil fertility and structure. If plant roots come into contact with soil containing this compound, or absorb it and accumulate it in the body, it will affect plant growth and development, and even change the genetic characteristics of plants.
And because of its halogen atoms, it is highly stable in the environment, and natural degradation is quite difficult. Natural factors such as sunlight and microorganisms have limited decomposition effects on it, or they remain in the environment for a long time, causing a wider range of pollution and increasing harm.
It is important to note that 2-bromo-1-chloro-3-methylbenzene can cause negative effects in the atmosphere, water and soil environment, threatening ecological balance and biological health. Therefore, it is necessary to pay attention to it. Proper methods should be found to control its emissions and reduce its residues in the environment.
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