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2-Nitrochlorobenzene-4-(N,N-Dimethyl)-Sulphonamide
Linshang Chemical
|
HS Code |
312789 |
| Chemical Formula | C8H9ClN2O4S |
| Molar Mass | 264.69 g/mol |
| Appearance | Solid |
| Color | Off - white to light yellow |
| Odor | Typical organic chemical odor |
| Melting Point | 135 - 138 °C |
| Boiling Point | Decomposes before boiling |
| Solubility In Water | Low solubility |
| Solubility In Organic Solvents | Soluble in some organic solvents like ethanol, acetone |
| Density | Approx. 1.48 g/cm³ |
| Logp | Approx. 2.3 |
As an accredited 2-Nitrochlorobenzene-4-(N,N-Dimethyl)-Sulphonamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25 - kg bags of 2 - nitrochlorobenzene - 4 - (n,n - dimethyl)sulphonamide for packaging. |
| Storage | 2 - nitrochlorobenzene - 4 - (N,N - dimethyl)sulphonamide should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and leakage. Separate it from incompatible substances to avoid potential chemical reactions. |
| Shipping | 2 - nitrochlorobenzene - 4 - (n,n - dimethyl)sulphonamide is shipped in accordance with strict chemical transport regulations. It's packaged securely in suitable containers to prevent leakage during transit, ensuring safety throughout the shipping process. |
Competitive 2-Nitrochlorobenzene-4-(N,N-Dimethyl)-Sulphonamide prices that fit your budget—flexible terms and customized quotes for every order.
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What are the main uses of 2-nitrochlorobenzene-4- (N, N-dimethyl) sulfonamide?
2-% cyanoacetamide-4- (N, N-dimethyl) aminobenzaldehyde is a crucial chemical raw material in the field of organic synthesis. It has a wide range of uses, mainly covering the following ends:
First, it plays a key role in the synthesis of medicine. This compound can be used as an important intermediate for the preparation of a variety of drugs with specific biological activities. For example, in the development of some anti-tumor drugs, the cyano and aminobenzaldehyde parts of the structure can be combined with other active groups through specific chemical reactions to construct a molecular structure with unique pharmacological effects, which helps to improve the targeting and inhibitory effect of drugs on tumor cells.
Second, it has made great contributions in the field of dye industry. Due to its special molecular structure, various types of dyes can be synthesized by appropriate chemical modification. For example, in the process of synthesizing cationic dyes, the conjugated system of 2-% cyanoacetamide-4- (N, N-dimethyl) aminobenzaldehyde can enhance the color performance of the dye, so that it can be applied to textile dyeing, showing a bright color and good dyeing fastness.
Third, it is of great significance for the development of organic optoelectronic devices. Due to its unique photoelectric properties, the compound can be applied to optoelectronic devices such as organic Light Emitting Diode (OLED) and organic solar cells. In OLEDs, it can be used as a luminescent material or auxiliary material to optimize the luminous efficiency and stability of the device; in organic solar cells, it can participate in the generation and transmission of photogenerated charges, and improve the photoelectric conversion efficiency of the battery.
In summary, 2-% cyanoacetamide-4- (N, N-dimethyl) aminobenzaldehyde has shown important application value in many fields such as medicine, dyes, and optoelectronic devices due to its unique chemical structure and properties, providing a key material foundation and technical support for the development of related industries.
First, it plays a key role in the synthesis of medicine. This compound can be used as an important intermediate for the preparation of a variety of drugs with specific biological activities. For example, in the development of some anti-tumor drugs, the cyano and aminobenzaldehyde parts of the structure can be combined with other active groups through specific chemical reactions to construct a molecular structure with unique pharmacological effects, which helps to improve the targeting and inhibitory effect of drugs on tumor cells.
Second, it has made great contributions in the field of dye industry. Due to its special molecular structure, various types of dyes can be synthesized by appropriate chemical modification. For example, in the process of synthesizing cationic dyes, the conjugated system of 2-% cyanoacetamide-4- (N, N-dimethyl) aminobenzaldehyde can enhance the color performance of the dye, so that it can be applied to textile dyeing, showing a bright color and good dyeing fastness.
Third, it is of great significance for the development of organic optoelectronic devices. Due to its unique photoelectric properties, the compound can be applied to optoelectronic devices such as organic Light Emitting Diode (OLED) and organic solar cells. In OLEDs, it can be used as a luminescent material or auxiliary material to optimize the luminous efficiency and stability of the device; in organic solar cells, it can participate in the generation and transmission of photogenerated charges, and improve the photoelectric conversion efficiency of the battery.
In summary, 2-% cyanoacetamide-4- (N, N-dimethyl) aminobenzaldehyde has shown important application value in many fields such as medicine, dyes, and optoelectronic devices due to its unique chemical structure and properties, providing a key material foundation and technical support for the development of related industries.
What are the physical properties of 2-nitrochlorobenzene-4- (N, N-dimethyl) sulfonamide
2-% cyanoxanthracene-4- (N, N-dimethyl) aminobenzophenone is an organic compound. Its physical properties are quite critical and have important uses in many fields.
The appearance of this compound is often solid, and the color may vary from white to light yellow. This color characteristic may help to identify. Its melting point is of great significance for defining purity and structure. After experimental determination, the melting point is usually within a certain range. If the purity is very high, the melting point range will be more narrow. For example, under suitable experimental conditions, the measured melting point value can be used as a key characterization of the compound.
Solubility is also an important physical property. In organic solvents, such as common dichloromethane and chloroform, it exhibits good solubility and can be uniformly dispersed to form a solution. This property is convenient for participating in the reaction as a reactant in organic synthesis reactions. Because it can fully contact with other reagents, it promotes the smooth progress of the reaction. However, in water, its solubility is poor and it is difficult to dissolve in water. This feature limits its application in systems involving the aqueous phase.
The density of this compound is also a physical property. Determined by specific experimental methods, its density is crucial for calculating the dosage when preparing related materials or solutions, and it is related to the reaction ratio and product quality.
In addition, its light absorption at specific wavelengths is also worthy of attention. In the ultraviolet-visible spectral region, there will be a characteristic absorption peak, which is not only used for qualitative analysis to confirm the existence of the compound, but also in quantitative analysis, the content of the compound in the mixture can be determined according to the relationship between absorbance and concentration.
In terms of thermal stability, the compound can maintain structural stability within a certain temperature range, but when the temperature exceeds a specific threshold, or decomposes, structural changes, etc., this thermal stability is very critical to the determination of its storage and use conditions.
The appearance of this compound is often solid, and the color may vary from white to light yellow. This color characteristic may help to identify. Its melting point is of great significance for defining purity and structure. After experimental determination, the melting point is usually within a certain range. If the purity is very high, the melting point range will be more narrow. For example, under suitable experimental conditions, the measured melting point value can be used as a key characterization of the compound.
Solubility is also an important physical property. In organic solvents, such as common dichloromethane and chloroform, it exhibits good solubility and can be uniformly dispersed to form a solution. This property is convenient for participating in the reaction as a reactant in organic synthesis reactions. Because it can fully contact with other reagents, it promotes the smooth progress of the reaction. However, in water, its solubility is poor and it is difficult to dissolve in water. This feature limits its application in systems involving the aqueous phase.
The density of this compound is also a physical property. Determined by specific experimental methods, its density is crucial for calculating the dosage when preparing related materials or solutions, and it is related to the reaction ratio and product quality.
In addition, its light absorption at specific wavelengths is also worthy of attention. In the ultraviolet-visible spectral region, there will be a characteristic absorption peak, which is not only used for qualitative analysis to confirm the existence of the compound, but also in quantitative analysis, the content of the compound in the mixture can be determined according to the relationship between absorbance and concentration.
In terms of thermal stability, the compound can maintain structural stability within a certain temperature range, but when the temperature exceeds a specific threshold, or decomposes, structural changes, etc., this thermal stability is very critical to the determination of its storage and use conditions.
What are the chemical properties of 2-nitrochlorobenzene-4- (N, N-dimethyl) sulfonamide
2-% carboxyethoxynaphthalene-4- (N, N-dimethyl) aminobenzaldehyde is an organic compound. Its chemical properties are as follows:
1. ** Acidic **: 2-carboxyethoxynaphthalene partially contains carboxyl groups and is acidic. The carboxyl group can ionize hydrogen ions and can neutralize with bases. For example, when reacting with sodium hydroxide, the hydrogen in the carboxyl group is replaced by sodium ions to form corresponding carboxylic salts and water. This acidity makes it possible to participate in acid-base equilibrium-related chemical processes under specific conditions. In organic synthesis, functional group conversion or product separation can be achieved by reacting with bases.
2. ** Nucleophilic Substitution Reaction **: In this compound, the aldehyde group of the N, N-dimethylaminobenzaldehyde part has high reactivity. The aldehyde group carbon has a partial positive charge and is vulnerable to attack by nucleophilic reagents. For example, under acid catalysis with alcohols, nucleophilic addition reaction can occur, and Mr. hemiacetal is formed, and then acetal is generated. This property is often used in organic synthesis to construct complex molecular structures and realize functional group modification and transformation.
3. ** Conjugation Effect **: Naphthalene ring, benzene ring and connected double bonds form a conjugated system. The conjugated system delocates the electron cloud within the molecule and enhances molecular stability. At the same time, the conjugate structure affects the electronic spectral properties of the compound, so that it has absorption at a specific wavelength, which can be used for spectral analysis and identification. In chemical reactions, the conjugate effect affects the electron cloud density distribution of the reaction check point, changing the reactivity and selectivity.
4. ** Basic **: The nitrogen atom in N, N-dimethylamino group contains lone pair electrons, making it alkaline to a certain extent. Although the alkalinity is weak, in an acidic environment, the nitrogen atom can accept protons to form quaternary ammonium salt positive ions. This alkalinity enables the compound to react with acids, and in some reaction systems it can be used as a weak base catalyst or participate in acid-base catalytic reactions.
1. ** Acidic **: 2-carboxyethoxynaphthalene partially contains carboxyl groups and is acidic. The carboxyl group can ionize hydrogen ions and can neutralize with bases. For example, when reacting with sodium hydroxide, the hydrogen in the carboxyl group is replaced by sodium ions to form corresponding carboxylic salts and water. This acidity makes it possible to participate in acid-base equilibrium-related chemical processes under specific conditions. In organic synthesis, functional group conversion or product separation can be achieved by reacting with bases.
2. ** Nucleophilic Substitution Reaction **: In this compound, the aldehyde group of the N, N-dimethylaminobenzaldehyde part has high reactivity. The aldehyde group carbon has a partial positive charge and is vulnerable to attack by nucleophilic reagents. For example, under acid catalysis with alcohols, nucleophilic addition reaction can occur, and Mr. hemiacetal is formed, and then acetal is generated. This property is often used in organic synthesis to construct complex molecular structures and realize functional group modification and transformation.
3. ** Conjugation Effect **: Naphthalene ring, benzene ring and connected double bonds form a conjugated system. The conjugated system delocates the electron cloud within the molecule and enhances molecular stability. At the same time, the conjugate structure affects the electronic spectral properties of the compound, so that it has absorption at a specific wavelength, which can be used for spectral analysis and identification. In chemical reactions, the conjugate effect affects the electron cloud density distribution of the reaction check point, changing the reactivity and selectivity.
4. ** Basic **: The nitrogen atom in N, N-dimethylamino group contains lone pair electrons, making it alkaline to a certain extent. Although the alkalinity is weak, in an acidic environment, the nitrogen atom can accept protons to form quaternary ammonium salt positive ions. This alkalinity enables the compound to react with acids, and in some reaction systems it can be used as a weak base catalyst or participate in acid-base catalytic reactions.
What is the synthesis method of 2-nitrochlorobenzene-4- (N, N-dimethyl) sulfonamide?
To prepare 2-cyano-4- (N, N-dimethyl) benzaldehyde, you can follow the following ancient method.
First take an appropriate amount of raw materials, such as p-dimethyl aniline as the starting material, so that it interacts with the cyanide reagent. For the method of cyanidation, you can choose a suitable cyanide agent, such as potassium cyanide or sodium cyanide. Under appropriate reaction conditions, control the temperature, pressure and reaction time, so that the cyanyl group can be smoothly introduced into the benzene ring to obtain the intermediate containing the cyanide group. In this process, the control of temperature is very critical. If the temperature is too high, or side reactions will occur, and the product will be impure. If the temperature is too low, the reaction will be slow and take a long time.
Then, the intermediate is oxidized. The oxidation step requires a suitable oxidizing agent, such as an isothermal oxidizing agent of chromium trioxide-pyridine complex, to oxidize the specific group into an aldehyde group, and the final product is 2-cyano-4- (N, N-dimethyl) benzaldehyde. This oxidation process also needs to be finely regulated, and the cover aldehyde group is active. If the oxidation is excessive, or it is converted to a carboxylic acid, the product does not match the requirements.
After the reaction is completed, it still needs to be separated and purified. The product can be extracted from the reaction system by extraction with a suitable organic solvent, and then further purified by distillation, recrystallization, etc., to remove impurities and obtain a pure target product. The whole preparation process requires caution. Each step is interconnected, and a slight difference will affect the quality and yield of the product.
First take an appropriate amount of raw materials, such as p-dimethyl aniline as the starting material, so that it interacts with the cyanide reagent. For the method of cyanidation, you can choose a suitable cyanide agent, such as potassium cyanide or sodium cyanide. Under appropriate reaction conditions, control the temperature, pressure and reaction time, so that the cyanyl group can be smoothly introduced into the benzene ring to obtain the intermediate containing the cyanide group. In this process, the control of temperature is very critical. If the temperature is too high, or side reactions will occur, and the product will be impure. If the temperature is too low, the reaction will be slow and take a long time.
Then, the intermediate is oxidized. The oxidation step requires a suitable oxidizing agent, such as an isothermal oxidizing agent of chromium trioxide-pyridine complex, to oxidize the specific group into an aldehyde group, and the final product is 2-cyano-4- (N, N-dimethyl) benzaldehyde. This oxidation process also needs to be finely regulated, and the cover aldehyde group is active. If the oxidation is excessive, or it is converted to a carboxylic acid, the product does not match the requirements.
After the reaction is completed, it still needs to be separated and purified. The product can be extracted from the reaction system by extraction with a suitable organic solvent, and then further purified by distillation, recrystallization, etc., to remove impurities and obtain a pure target product. The whole preparation process requires caution. Each step is interconnected, and a slight difference will affect the quality and yield of the product.
What are the precautions for the use of 2-nitrochlorobenzene-4- (N, N-dimethyl) sulfonamide?
2-% cyano-4- (N, N-dimethyl) sulfinamide This substance, during use, need to pay attention to many things.
First, it is related to toxicity and health hazards. This substance may be toxic to a certain extent, and strict protective measures must be taken during operation. Wear suitable protective clothing, protective gloves and goggles to prevent skin contact and eye splashing. If you accidentally touch the skin, you should immediately rinse with plenty of water and seek medical treatment according to the situation; if you splash into the eyes, you should quickly rinse with plenty of water for a few minutes, and then quickly go to the hospital for treatment. At the same time, the operation should be carried out in a well-ventilated place to avoid inhaling its volatile aerosols, which may irritate the respiratory tract and may even cause more serious health problems if inhaled for a long time.
Second, storage should also be paid attention to. It should be stored in a cool, dry and well-ventilated place, away from fire and heat sources. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed to prevent chemical reactions from occurring and causing danger. The storage area should be equipped with suitable containment materials to deal with possible leaks.
Third, according to the operating specifications. The operation process must be rigorous and meticulous to avoid its leakage into the environment. When taking reagents, use precision measuring tools to prevent waste and potential danger caused by excessive use. After the experiment is completed, the remaining reagents should be properly disposed of in accordance with regulations and must not be discarded at will. In the event of a leak, personnel in the contaminated area of the leak should be quickly evacuated to a safe area and quarantined, and access should be strictly restricted. Emergency personnel should wear self-priming filter gas masks (full masks), wear anti-acid and alkali work clothes, and do not let the leakage come into contact with combustible substances (such as wood, paper, oil, etc.). In the case of a small amount of leakage, it can be mixed with sand, dry lime or soda ash and collected in a dry, clean, covered container; in the case of a large amount of leakage, a dike or pit should be built for containment, and transferred to a tanker or a special collector by pump, and recycled or transported to a waste treatment site for disposal.
First, it is related to toxicity and health hazards. This substance may be toxic to a certain extent, and strict protective measures must be taken during operation. Wear suitable protective clothing, protective gloves and goggles to prevent skin contact and eye splashing. If you accidentally touch the skin, you should immediately rinse with plenty of water and seek medical treatment according to the situation; if you splash into the eyes, you should quickly rinse with plenty of water for a few minutes, and then quickly go to the hospital for treatment. At the same time, the operation should be carried out in a well-ventilated place to avoid inhaling its volatile aerosols, which may irritate the respiratory tract and may even cause more serious health problems if inhaled for a long time.
Second, storage should also be paid attention to. It should be stored in a cool, dry and well-ventilated place, away from fire and heat sources. It should be stored separately from oxidants, acids, alkalis, etc., and should not be mixed to prevent chemical reactions from occurring and causing danger. The storage area should be equipped with suitable containment materials to deal with possible leaks.
Third, according to the operating specifications. The operation process must be rigorous and meticulous to avoid its leakage into the environment. When taking reagents, use precision measuring tools to prevent waste and potential danger caused by excessive use. After the experiment is completed, the remaining reagents should be properly disposed of in accordance with regulations and must not be discarded at will. In the event of a leak, personnel in the contaminated area of the leak should be quickly evacuated to a safe area and quarantined, and access should be strictly restricted. Emergency personnel should wear self-priming filter gas masks (full masks), wear anti-acid and alkali work clothes, and do not let the leakage come into contact with combustible substances (such as wood, paper, oil, etc.). In the case of a small amount of leakage, it can be mixed with sand, dry lime or soda ash and collected in a dry, clean, covered container; in the case of a large amount of leakage, a dike or pit should be built for containment, and transferred to a tanker or a special collector by pump, and recycled or transported to a waste treatment site for disposal.
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