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5-Chloro-2-Methoxybenzenediazonium Chloride, Zinc Chloride Double Salt
Linshang Chemical
|
HS Code |
254883 |
| Chemical Formula | C7H7Cl2N2O.ZnCl2 |
| Molecular Weight | 348.25 g/mol |
| Appearance | usually a solid |
| Color | might be off - white or light - colored |
| Physical State At Room Temperature | solid |
| Solubility In Water | moderate to low solubility |
| Solubility In Organic Solvents | soluble in some polar organic solvents |
| Stability | unstable, decomposes on heating or exposure to light |
| Reactivity | reactive, used in diazo coupling reactions |
| Hazard Class | corrosive and potentially explosive |
As an accredited 5-Chloro-2-Methoxybenzenediazonium Chloride, Zinc Chloride Double Salt factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 5 - chloro - 2 - methoxybenzenediazonium chloride, zinc chloride double salt, 100g in sealed chemical - grade packaging. |
| Storage | Store 5 - chloro - 2 - methoxybenzenediazonium chloride, zinc chloride double salt in a cool, dry place, away from heat sources and direct sunlight. Keep it in a tightly - sealed container to prevent moisture absorption and decomposition. This compound is sensitive, so store it separately from incompatible substances like reducing agents, organic materials, and bases to avoid potential reactions. |
| Shipping | 5 - chloro - 2 - methoxybenzenediazonium chloride, zinc chloride double salt should be shipped in well - sealed containers, protected from heat and light. Follow all relevant chemical shipping regulations to ensure safe transport. |
Competitive 5-Chloro-2-Methoxybenzenediazonium Chloride, Zinc Chloride Double Salt prices that fit your budget—flexible terms and customized quotes for every order.
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What are the chemical properties of 5-chloro-2-methoxybenzene diazonium chloride and zinc chloride double salt?
The reaction of 5-bromo-2-methoxybenzene diazobromide with cuprous bromide is the category of Sandmayer reactions. It exhibits unique chemical properties, which are described in detail below.
5-bromo-2-methoxybenzene diazobromide, with a diazo group, is extremely active. Under certain conditions, the diazo group is easy to leave and form a stable nitrogen molecule. This property makes it an excellent leaving group. The bromine atom and methoxy group in the molecule are also affected. The methoxy group as the power supply group can increase the electron cloud density of the benzene ring, especially in the ortho and para-position, which selectively affects the reaction check point and makes the benzene ring more prone to electrophilic substitution; although the bromine atom is an electron-withdrawing group, it has lone pair electrons at the same time, which can be conjugated with the benzene ring and also affects the electron cloud distribution of the benzene ring.
Cuprous bromide acts as a catalyst in this reaction. Copper ions can react with diazonium salts in oxidation and reduction, promoting the conversion of diazonium groups into aryl radicals. Aryl radicals are very active and can further react with cuprous bromide in the system to eventually generate corresponding halogenated aromatics.
When 5-bromo-2-methoxybenzene diazobromate reacts with cuprous bromide, the diazo group is affected by copper ions, loses nitrogen and forms 5-bromo-2-methoxyphenyl radical. This radical quickly binds to the bromine atom in the cuprous bromide to form 1-bromo-4-methoxy-2-bromobenzene. This reaction has good regioselectivity, mainly due to the influence of methoxy groups on the electron cloud density distribution of the benzene ring, so that the reaction mainly occurs in the methoxy ortho-position. Overall, this reaction provides an effective way for the construction of halogenated aromatics. It is of great significance in the field of organic synthesis to realize the halogenation reaction at a specific location by using the reactivity of diazonium salts and the catalytic system of copper.
5-bromo-2-methoxybenzene diazobromide, with a diazo group, is extremely active. Under certain conditions, the diazo group is easy to leave and form a stable nitrogen molecule. This property makes it an excellent leaving group. The bromine atom and methoxy group in the molecule are also affected. The methoxy group as the power supply group can increase the electron cloud density of the benzene ring, especially in the ortho and para-position, which selectively affects the reaction check point and makes the benzene ring more prone to electrophilic substitution; although the bromine atom is an electron-withdrawing group, it has lone pair electrons at the same time, which can be conjugated with the benzene ring and also affects the electron cloud distribution of the benzene ring.
Cuprous bromide acts as a catalyst in this reaction. Copper ions can react with diazonium salts in oxidation and reduction, promoting the conversion of diazonium groups into aryl radicals. Aryl radicals are very active and can further react with cuprous bromide in the system to eventually generate corresponding halogenated aromatics.
When 5-bromo-2-methoxybenzene diazobromate reacts with cuprous bromide, the diazo group is affected by copper ions, loses nitrogen and forms 5-bromo-2-methoxyphenyl radical. This radical quickly binds to the bromine atom in the cuprous bromide to form 1-bromo-4-methoxy-2-bromobenzene. This reaction has good regioselectivity, mainly due to the influence of methoxy groups on the electron cloud density distribution of the benzene ring, so that the reaction mainly occurs in the methoxy ortho-position. Overall, this reaction provides an effective way for the construction of halogenated aromatics. It is of great significance in the field of organic synthesis to realize the halogenation reaction at a specific location by using the reactivity of diazonium salts and the catalytic system of copper.
In which reactions are 5-chloro-2-methoxybenzene diazonium chloride and zinc chloride double salts commonly used?
5-Bromo-2-methoxyphenyl diazobromide and cuprous bromide double salt are commonly used in the Sandmeyer Reaction. Named after the outstanding German chemist Trager Sandmeyer, this reaction occupies a key position in the field of organic synthesis and is an important means of preparing aromatic halides from aromatic diazoates through substitution reactions.
In the Sandmeyer reaction, the diazoyl group (-N 2 🥰) carried by 5-bromo-2-methoxyphenyl diazobromide is highly active, and the cuprous bromide double salt acts as a catalyst here. The specific reaction process is as follows: Under the catalysis of the diazonium salt under the action of the copper salt, the diazonium group is replaced by the bromine atom, thereby efficiently generating halogenated aromatics. Take 5-bromo-2-methoxyphenyl diazonium bromide as an example. When it reacts with the cuprous bromide double salt, the diazonium group leaves, and the bromine atom precisely occupies the position where the original diazonium group is located, resulting in the corresponding bromoaromatic hydrocarbon product.
The subtlety of this reaction is that it can be achieved under relatively mild reaction conditions, with excellent regioselectivity and functional group compatibility. This makes it an unparalleled advantage in the synthesis of aromatic halides with specific structures, and is widely used in the synthesis and manufacturing processes of many fine chemicals such as medicines, pesticides, and dyes. Through the clever use of Sandmeier reactions and the combination of 5-bromo-2-methoxyphenyl diazobromate and cuprous bromide double salts, chemists can ingeniously construct a wide variety of complex organic compounds, contributing to the vigorous development of organic synthetic chemistry.
In the Sandmeyer reaction, the diazoyl group (-N 2 🥰) carried by 5-bromo-2-methoxyphenyl diazobromide is highly active, and the cuprous bromide double salt acts as a catalyst here. The specific reaction process is as follows: Under the catalysis of the diazonium salt under the action of the copper salt, the diazonium group is replaced by the bromine atom, thereby efficiently generating halogenated aromatics. Take 5-bromo-2-methoxyphenyl diazonium bromide as an example. When it reacts with the cuprous bromide double salt, the diazonium group leaves, and the bromine atom precisely occupies the position where the original diazonium group is located, resulting in the corresponding bromoaromatic hydrocarbon product.
The subtlety of this reaction is that it can be achieved under relatively mild reaction conditions, with excellent regioselectivity and functional group compatibility. This makes it an unparalleled advantage in the synthesis of aromatic halides with specific structures, and is widely used in the synthesis and manufacturing processes of many fine chemicals such as medicines, pesticides, and dyes. Through the clever use of Sandmeier reactions and the combination of 5-bromo-2-methoxyphenyl diazobromate and cuprous bromide double salts, chemists can ingeniously construct a wide variety of complex organic compounds, contributing to the vigorous development of organic synthetic chemistry.
What is the preparation method of 5-chloro-2-methoxybenzene diazonium chloride and zinc chloride double salt?
To prepare 5-bromo-2-methoxybenzene diazobromate, first take 2-methoxyaniline, place it in an appropriate amount of hydrochloric acid solution, stir at low temperature, and fully dissolve it. Then prepare a solution of sodium nitrite, slowly drop it into the above solution, control the temperature, do not make it too high, to prevent side reactions from occurring. The dropwise addition process needs to be stirred continuously, and when the reaction is complete, a solution containing diazosalt can be obtained, and then an appropriate amount of sodium bromide is added to form a 5-bromo-2-methoxybenzene diazobromate precipitation. After separation, washing and drying, the desired product is obtained.
As for the preparation of cuprous bromide double salt, first dissolve copper sulfate in water, add an appropriate amount of sodium bisulfite, stir the reaction, and copper sulfite is formed. Then add potassium bromide and continue to stir. Copper sulfite reacts with potassium bromide to form a cuprous bromide double salt precipitation. The precipitation is separated, washed with specific reagents, removed impurities, and then dried to obtain a pure cuprous bromide double salt. In this process, the reaction conditions of each step, such as temperature, reagent dosage ratio, etc., need to be precisely controlled to ensure the purity and yield of the product. When operating, also pay attention to safety, because some reagents are corrosive or toxic.
As for the preparation of cuprous bromide double salt, first dissolve copper sulfate in water, add an appropriate amount of sodium bisulfite, stir the reaction, and copper sulfite is formed. Then add potassium bromide and continue to stir. Copper sulfite reacts with potassium bromide to form a cuprous bromide double salt precipitation. The precipitation is separated, washed with specific reagents, removed impurities, and then dried to obtain a pure cuprous bromide double salt. In this process, the reaction conditions of each step, such as temperature, reagent dosage ratio, etc., need to be precisely controlled to ensure the purity and yield of the product. When operating, also pay attention to safety, because some reagents are corrosive or toxic.
What are the storage conditions for 5-chloro-2-methoxybenzene diazo chloride and zinc chloride double salt?
5-Bromo-2-methoxybenzodiazobromide and cuprous bromide double salt are both chemical substances, and their storage conditions are crucial to the stability and safety of the substance.
5-bromo-2-methoxybenzodiazobromide should be stored in a cool, dry and well-ventilated place. Because it is sensitive to heat, it is easy to decompose when heated, and even causes danger, so it should be kept away from heat sources and open flames. This substance should also be avoided from contact with oxidizing substances to prevent violent chemical reactions. When storing, use a sealed container to reduce contact with air and moisture, because moisture may cause hydrolysis, which affects its chemical properties.
Cuprous bromide double salt, also need to be stored in a dry environment, because of its hygroscopicity, too much moisture absorption will lead to deterioration. It should be placed in a cool place to prevent its properties from being changed due to excessive temperature. At the same time, it should be avoided to coexist with strong oxidants, strong acids and other substances to prevent chemical reactions. The container in which the double salt is stored should also be well sealed to ensure that it is not disturbed by external environmental factors during storage.
When storing these two types of chemicals, they should strictly follow the relevant safety procedures and operating guidelines, and they should be clearly marked for easy access and management to ensure the safety and stability of the storage process.
5-bromo-2-methoxybenzodiazobromide should be stored in a cool, dry and well-ventilated place. Because it is sensitive to heat, it is easy to decompose when heated, and even causes danger, so it should be kept away from heat sources and open flames. This substance should also be avoided from contact with oxidizing substances to prevent violent chemical reactions. When storing, use a sealed container to reduce contact with air and moisture, because moisture may cause hydrolysis, which affects its chemical properties.
Cuprous bromide double salt, also need to be stored in a dry environment, because of its hygroscopicity, too much moisture absorption will lead to deterioration. It should be placed in a cool place to prevent its properties from being changed due to excessive temperature. At the same time, it should be avoided to coexist with strong oxidants, strong acids and other substances to prevent chemical reactions. The container in which the double salt is stored should also be well sealed to ensure that it is not disturbed by external environmental factors during storage.
When storing these two types of chemicals, they should strictly follow the relevant safety procedures and operating guidelines, and they should be clearly marked for easy access and management to ensure the safety and stability of the storage process.
What are the market application fields of 5-chloro-2-methoxybenzene diazonium chloride and zinc chloride double salt?
The complex of 5-bromo-2-methoxyphenyl diazobromide and cuprous bromide has important uses in many fields.
In the context of organic synthesis, its role is quite critical. This complex can be used as a diazo source and participates in a variety of diazo-related reactions. For example, in the arylation reaction, the diazo group in 5-bromo-2-methoxyphenyl diazobromide can react with various unsaturated bonds, such as olefins, alkynes, etc., thereby realizing the construction of carbon-carbon bonds and carbon-heteroatomic bonds, synthesizing organic compounds with diverse structures, and assisting the research and development of new drug molecules and total synthesis of natural products.
also has its uses in the field of materials science. With the help of the reaction participated by this complex, the surface of the material can be modified. For example, the introduction of specific functional groups on the surface of polymer materials imparts unique properties such as hydrophilicity and biocompatibility, and broadens the application of materials in biomedicine, electronic devices and other fields.
In the field of dye chemistry, this complex also plays an important role. Using the reactions it participates in, dye molecules with special structures and properties can be synthesized. Due to the bromine atom, methoxy group and other groups in its structure, it can affect the optical properties of dye molecules such as light absorption and emission, so as to prepare functional dyes that meet different needs, which are used in printing and dyeing, display and other industries.
5-bromo-2-methoxyphenyl diazobromate and cuprous bromide complexes have shown important application value in organic synthesis, materials science, dye chemistry and other fields, providing assistance for the development of many fields.
In the context of organic synthesis, its role is quite critical. This complex can be used as a diazo source and participates in a variety of diazo-related reactions. For example, in the arylation reaction, the diazo group in 5-bromo-2-methoxyphenyl diazobromide can react with various unsaturated bonds, such as olefins, alkynes, etc., thereby realizing the construction of carbon-carbon bonds and carbon-heteroatomic bonds, synthesizing organic compounds with diverse structures, and assisting the research and development of new drug molecules and total synthesis of natural products.
also has its uses in the field of materials science. With the help of the reaction participated by this complex, the surface of the material can be modified. For example, the introduction of specific functional groups on the surface of polymer materials imparts unique properties such as hydrophilicity and biocompatibility, and broadens the application of materials in biomedicine, electronic devices and other fields.
In the field of dye chemistry, this complex also plays an important role. Using the reactions it participates in, dye molecules with special structures and properties can be synthesized. Due to the bromine atom, methoxy group and other groups in its structure, it can affect the optical properties of dye molecules such as light absorption and emission, so as to prepare functional dyes that meet different needs, which are used in printing and dyeing, display and other industries.
5-bromo-2-methoxyphenyl diazobromate and cuprous bromide complexes have shown important application value in organic synthesis, materials science, dye chemistry and other fields, providing assistance for the development of many fields.
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