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2-Nitrochlorobenzene-4-Sulfonic Acid
Linshang Chemical
|
HS Code |
569633 |
| Chemical Formula | C6H4ClNO5S |
| Molecular Weight | 237.62 |
| Appearance | usually in solid form |
| Color | pale yellow to light brown |
| Odor | characteristic odor |
| Solubility In Water | slightly soluble |
| Solubility In Organic Solvents | soluble in some organic solvents |
| Melting Point | around 130 - 135 °C |
| Boiling Point | decomposes before boiling |
| Acidity | acidic due to sulfonic acid group |
| Reactivity | reactive towards nucleophiles |
As an accredited 2-Nitrochlorobenzene-4-Sulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25 - kg bags for 2 - nitrochlorobenzene - 4 - sulfonic Acid packaging. |
| Storage | 2 - Nitrochlorobenzene - 4 - sulfonic acid should be stored in a cool, dry, well - ventilated area, away from heat sources and ignition points. It should be separated from oxidizing agents, reducing agents, and bases due to potential reactivity. Keep it in tightly - sealed containers to prevent moisture absorption and ensure proper labeling for easy identification and safety compliance. |
| Shipping | 2 - nitrochlorobenzene - 4 - sulfonic Acid is shipped in well - sealed containers. These are typically drums or barrels, safeguarded from physical damage, moisture, and heat during transit to prevent leakage and ensure safety. |
Competitive 2-Nitrochlorobenzene-4-Sulfonic Acid 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.
We will respond to you as soon as possible.
Tel: +8615365006308
Email: info@alchemist-chem.com
Where to Buy 2-Nitrochlorobenzene-4-Sulfonic Acid in China?
As a trusted 2-Nitrochlorobenzene-4-Sulfonic Acid manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery.
Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading 2-Nitrochlorobenzene-4-Sulfonic Acid supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the main uses of 2-nitrochlorobenzene-4-sulfonic Acid?
2-Nitrochlorobenzene-4-sulfonic acid has a wide range of main uses. In the dye industry, this is a key intermediate. Gain can be derived from a series of delicate chemical reactions, resulting in many colorful dyes, such as reactive dyes, acid dyes and the like. Such dyes are bright in color and have good fastness. They are widely used in the field of fabric dyeing and printing. They can give fabrics rich and diverse colors and satisfy the world's pursuit of beauty in clothing and fabrics.
In addition, in the pharmaceutical industry, it also has important uses. It can be used as a starting material for the synthesis of specific drugs. With the ingenious design and exquisite craftsmanship of chemists, it can be converted into compounds with specific pharmacological activities through multiple steps. Such compounds may become good medicines for treating certain diseases and contribute to human health and well-being.
In the pesticide industry, 2-nitrochlorobenzene-4-sulfonic acid is also indispensable. It can be used as an important intermediate for the synthesis of pesticides, and the prepared pesticides play a key role in agricultural production. It can effectively kill pests, inhibit the growth of pathogens, ensure the thriving growth of crops, and improve food yield and quality, which is fundamental to people's livelihood.
In addition, it is also common in the preparation process of some fine chemical products. Or it is used to synthesize special surfactants, additives, etc. Such fine chemical products can improve the properties of substances and have unique value in many industrial fields and the production of daily necessities.
In summary, 2-nitrochlorobenzene-4-sulfonic acid plays a pivotal role in many important fields such as dyes, pharmaceuticals, pesticides, and fine chemicals, providing key support for the development of various industries.
In addition, in the pharmaceutical industry, it also has important uses. It can be used as a starting material for the synthesis of specific drugs. With the ingenious design and exquisite craftsmanship of chemists, it can be converted into compounds with specific pharmacological activities through multiple steps. Such compounds may become good medicines for treating certain diseases and contribute to human health and well-being.
In the pesticide industry, 2-nitrochlorobenzene-4-sulfonic acid is also indispensable. It can be used as an important intermediate for the synthesis of pesticides, and the prepared pesticides play a key role in agricultural production. It can effectively kill pests, inhibit the growth of pathogens, ensure the thriving growth of crops, and improve food yield and quality, which is fundamental to people's livelihood.
In addition, it is also common in the preparation process of some fine chemical products. Or it is used to synthesize special surfactants, additives, etc. Such fine chemical products can improve the properties of substances and have unique value in many industrial fields and the production of daily necessities.
In summary, 2-nitrochlorobenzene-4-sulfonic acid plays a pivotal role in many important fields such as dyes, pharmaceuticals, pesticides, and fine chemicals, providing key support for the development of various industries.
What are the physical properties of 2-nitrochlorobenzene-4-sulfonic Acid?
2-Nitrochlorobenzene-4-sulfonic acid, this is an organic compound with specific physical properties. In terms of its color state, it is often white to light yellow crystalline powder, and it is fine in appearance. It looks like it flickers under sunlight or in a faint light.
When talking about the melting point, it is about 120-125 ° C. When heated to this temperature range, the energy of the material lattice is enough to break the original arrangement and gradually melt from the solid state to the liquid state. This process is smooth and orderly, just like melting under the warm sun.
Solubility is also an important physical property. In water, 2-nitrochlorobenzene-4-sulfonic acid can exhibit a certain solubility. Due to the presence of polar sulfonic acid groups in the molecule, which can be attracted to water molecules through hydrogen bonds, etc., and the presence of non-polar benzene rings, nitro groups, chlorine atoms and other groups, its solubility is not infinite, but moderately dissolved to form a uniform dispersion system. In organic solvents, such as ethanol and acetone, the solubility is also different. Organic solvents with certain polarities such as ethanol can interact with some of the groups of the compound, so that they can be better dissolved. However, the degree of solubility is also affected by the complexity of the molecular structure.
Furthermore, its density is slightly higher than that of water compared with water. When it is placed in water, it can be seen that it is slowly sinking, just like a heavy object entering water and sinking at the bottom. Due to the relative mass of the molecules and the degree of structure accumulation, its unit volume mass is higher than that of water.
The physical properties of 2-nitrochlorobenzene-4-sulfonic acid are determined by the synergistic action of various groups in the molecular structure, and these properties play a crucial role in many fields such as chemical production, scientific research and experiments, and in its separation, purification, and application.
When talking about the melting point, it is about 120-125 ° C. When heated to this temperature range, the energy of the material lattice is enough to break the original arrangement and gradually melt from the solid state to the liquid state. This process is smooth and orderly, just like melting under the warm sun.
Solubility is also an important physical property. In water, 2-nitrochlorobenzene-4-sulfonic acid can exhibit a certain solubility. Due to the presence of polar sulfonic acid groups in the molecule, which can be attracted to water molecules through hydrogen bonds, etc., and the presence of non-polar benzene rings, nitro groups, chlorine atoms and other groups, its solubility is not infinite, but moderately dissolved to form a uniform dispersion system. In organic solvents, such as ethanol and acetone, the solubility is also different. Organic solvents with certain polarities such as ethanol can interact with some of the groups of the compound, so that they can be better dissolved. However, the degree of solubility is also affected by the complexity of the molecular structure.
Furthermore, its density is slightly higher than that of water compared with water. When it is placed in water, it can be seen that it is slowly sinking, just like a heavy object entering water and sinking at the bottom. Due to the relative mass of the molecules and the degree of structure accumulation, its unit volume mass is higher than that of water.
The physical properties of 2-nitrochlorobenzene-4-sulfonic acid are determined by the synergistic action of various groups in the molecular structure, and these properties play a crucial role in many fields such as chemical production, scientific research and experiments, and in its separation, purification, and application.
What are the chemical properties of 2-nitrochlorobenzene-4-sulfonic Acid?
2-Nitrochlorobenzene-4-sulfonic acid is one of the organic compounds. Its chemical properties are quite unique.
This compound is acidic. Because of its sulfonic acid group, it can ionize hydrogen ions in water, exhibit the characteristics of acid, and can neutralize with bases to form corresponding salts and water.
It contains nitro and chlorine atoms, which are active in nature. Nitro has strong electron absorption, which can reduce the electron cloud density of the benzene ring and reduce the electrophilic substitution activity of the benzene ring, but can enhance the reactivity of ortho and para-substituents. Although chlorine atoms also have electron-absorbing induction effects, they can be conjugated with benzene rings due to their lone pair of electrons, resulting in special properties in some reactions.
In nucleophilic substitution reactions, chlorine atoms can be replaced by nucleophilic reagents. For example, when co-heated with sodium hydroxide solution, chlorine atoms can be replaced by hydroxyl groups to form 2-nitro-4-hydroxybenzene sulfonic acid.
In addition, the sulfonic acid groups of the compound can also undergo many reactions, such as esterification with alcohols under appropriate conditions to form sulfonates.
Due to the interaction of various functional groups in its structure, 2-nitrochlorobenzene-4-sulfonic acid is widely used in the field of organic synthesis. It can be used as a synthetic intermediate for a variety of organic compounds and participate in the preparation of dyes, drugs and other fine chemicals.
This compound is acidic. Because of its sulfonic acid group, it can ionize hydrogen ions in water, exhibit the characteristics of acid, and can neutralize with bases to form corresponding salts and water.
It contains nitro and chlorine atoms, which are active in nature. Nitro has strong electron absorption, which can reduce the electron cloud density of the benzene ring and reduce the electrophilic substitution activity of the benzene ring, but can enhance the reactivity of ortho and para-substituents. Although chlorine atoms also have electron-absorbing induction effects, they can be conjugated with benzene rings due to their lone pair of electrons, resulting in special properties in some reactions.
In nucleophilic substitution reactions, chlorine atoms can be replaced by nucleophilic reagents. For example, when co-heated with sodium hydroxide solution, chlorine atoms can be replaced by hydroxyl groups to form 2-nitro-4-hydroxybenzene sulfonic acid.
In addition, the sulfonic acid groups of the compound can also undergo many reactions, such as esterification with alcohols under appropriate conditions to form sulfonates.
Due to the interaction of various functional groups in its structure, 2-nitrochlorobenzene-4-sulfonic acid is widely used in the field of organic synthesis. It can be used as a synthetic intermediate for a variety of organic compounds and participate in the preparation of dyes, drugs and other fine chemicals.
What is the production method of 2-nitrochlorobenzene-4-sulfonic Acid?
The method of making 2-nitrochlorobenzene-4-sulfonic acid, although the ancient book "Tiangong Kaiwu" does not contain this specific matter, it can be described according to the general principles of chemical products.
The method is often based on 2-nitrochlorobenzene as the starting material and is prepared by sulfonation. The sulfonation process requires a sulfonating agent, and sulfuric acid is often the first choice. Under suitable temperature and reaction conditions, the sulfonic acid group (-SO-H) of sulfuric acid can replace the hydrogen atom at a specific position of the 2-nitrochlorobenzene ring, resulting in 2-nitrochlorobenzene-4-sulfonic acid.
During the reaction, temperature control is crucial. If the temperature is too low, the reaction will be slow and the yield will not be high; if the temperature is too high, side reactions will easily occur, resulting in impure products. Usually, the reaction temperature should be controlled in a certain range, depending on the specific reaction device and the proportion of reactants, roughly between tens of degrees Celsius and hundreds of degrees Celsius.
For the reaction vessel, choose an acid-resistant material, such as glass or a specific metal alloy device, to prevent the vessel from being damaged by acid corrosion and to ensure the stable progress of the reaction.
The ratio of the reactants must also be precisely prepared. 2 - The ratio of nitrochlorobenzene to sulfuric acid is related to the reaction process and product purity. If the amount of sulfuric acid is too small, the sulfonation will not be complete; if the amount is too much, the subsequent separation and purification steps will be cumbersome
After the reaction is completed, the product often contains unreacted raw materials, by-products and reaction media. It needs to be separated and purified, such as crystallization, filtration, washing, drying and other steps, to obtain pure 2-nitrochlorobenzene-4-sulfonic acid. During crystallization, the appropriate solvent and crystallization conditions can be selected according to its solubility characteristics to precipitate the product. Filtration removes insoluble impurities, washes to remove residual impurities, dries to remove moisture, and finally obtains a pure target product.
The method is often based on 2-nitrochlorobenzene as the starting material and is prepared by sulfonation. The sulfonation process requires a sulfonating agent, and sulfuric acid is often the first choice. Under suitable temperature and reaction conditions, the sulfonic acid group (-SO-H) of sulfuric acid can replace the hydrogen atom at a specific position of the 2-nitrochlorobenzene ring, resulting in 2-nitrochlorobenzene-4-sulfonic acid.
During the reaction, temperature control is crucial. If the temperature is too low, the reaction will be slow and the yield will not be high; if the temperature is too high, side reactions will easily occur, resulting in impure products. Usually, the reaction temperature should be controlled in a certain range, depending on the specific reaction device and the proportion of reactants, roughly between tens of degrees Celsius and hundreds of degrees Celsius.
For the reaction vessel, choose an acid-resistant material, such as glass or a specific metal alloy device, to prevent the vessel from being damaged by acid corrosion and to ensure the stable progress of the reaction.
The ratio of the reactants must also be precisely prepared. 2 - The ratio of nitrochlorobenzene to sulfuric acid is related to the reaction process and product purity. If the amount of sulfuric acid is too small, the sulfonation will not be complete; if the amount is too much, the subsequent separation and purification steps will be cumbersome
After the reaction is completed, the product often contains unreacted raw materials, by-products and reaction media. It needs to be separated and purified, such as crystallization, filtration, washing, drying and other steps, to obtain pure 2-nitrochlorobenzene-4-sulfonic acid. During crystallization, the appropriate solvent and crystallization conditions can be selected according to its solubility characteristics to precipitate the product. Filtration removes insoluble impurities, washes to remove residual impurities, dries to remove moisture, and finally obtains a pure target product.
2-nitrochlorobenzene-4-sulfonic Acid during storage and transportation
2-Nitrochlorobenzene-4-sulfonic acid is commonly used in the chemical industry. When storing and transporting, pay attention to many matters to ensure its safety.
First words storage. Although this material is not extremely active, it needs to be placed in a cool, dry and well-ventilated place. Due to high temperature and humidity, it may change its properties or cause chemical reactions. The temperature of the warehouse should be controlled within a certain range to prevent overheating or overcooling. And it should be stored separately from oxidizing agents, reducing agents, alkalis, etc., and must not be mixed. Because it meets them, it is easy to react violently and endanger safety. At the same time, the storage place should be prepared with suitable materials for containing leaks for emergencies.
As for transportation, it should not be ignored. Appropriate means of transportation should be selected to ensure that the packaging is complete and the loading is safe. During transportation, it should be protected from exposure to the sun, rain, and high temperature. Transportation vehicles should be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. When driving, drivers must drive cautiously and avoid violent actions such as sudden braking and sharp turns to prevent material leakage caused by package damage. If transported by railway, it should be equipped in strict accordance with regulations and must not violate regulations.
In short, 2-nitrochlorobenzene-4-sulfonic acid should be treated with caution and follow norms during storage and transportation, from environmental control, item isolation to transportation operations, so as to ensure the safety of personnel and the integrity of materials.
First words storage. Although this material is not extremely active, it needs to be placed in a cool, dry and well-ventilated place. Due to high temperature and humidity, it may change its properties or cause chemical reactions. The temperature of the warehouse should be controlled within a certain range to prevent overheating or overcooling. And it should be stored separately from oxidizing agents, reducing agents, alkalis, etc., and must not be mixed. Because it meets them, it is easy to react violently and endanger safety. At the same time, the storage place should be prepared with suitable materials for containing leaks for emergencies.
As for transportation, it should not be ignored. Appropriate means of transportation should be selected to ensure that the packaging is complete and the loading is safe. During transportation, it should be protected from exposure to the sun, rain, and high temperature. Transportation vehicles should be equipped with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. When driving, drivers must drive cautiously and avoid violent actions such as sudden braking and sharp turns to prevent material leakage caused by package damage. If transported by railway, it should be equipped in strict accordance with regulations and must not violate regulations.
In short, 2-nitrochlorobenzene-4-sulfonic acid should be treated with caution and follow norms during storage and transportation, from environmental control, item isolation to transportation operations, so as to ensure the safety of personnel and the integrity of materials.
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