Aniline-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	252982
Chemical Formula	C6H7NO3S
Molar Mass	173.19 g/mol
Appearance	White to light - yellow crystals or powder
Solubility In Water	Soluble in water
Melting Point	136 - 138 °C
Pka	3.28
Density	1.48 g/cm³
Odor	Odorless
Stability	Stable under normal conditions
Flash Point	Non - flammable

Packing & Storage

Packing	Aniline - 2 - Sulfonic Acid: 25 - kg bags, securely sealed for chemical protection.
Storage	Aniline - 2 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in tightly - sealed containers to prevent moisture absorption and exposure to air. Store it separately from oxidizing agents and bases, as it may react with them. Ensure proper labeling for easy identification and follow safety regulations.
Shipping	Aniline - 2 - Sulfonic Acid is shipped in tightly sealed containers to prevent exposure. Hazardous material regulations must be followed, with proper labeling indicating its nature for safe transportation.

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General Information

Historical Development

Aniline - 2 - Sulfonic Acid, the thing that transforms the body. Its origin is at the beginning of the study of the body. In the past, the family studied the physical properties of the body, and wanted to explore the wonders of the body. In the process of research and development, there is no clue to this acid. At the beginning of the study, the general nature of it has been changed, and the heart of the family has been turned into the heart of the family, seeking the whole, and it has not stopped. Years and months, or improve its method, or study its characteristics in depth. From the old to the complex, from the slight to the new, and the research is not limited. Since its inception, the use of it today, its steps are not achieved overnight. It is an important chapter in the history of Huanhua's development that we have achieved today's prosperity through hard work and unremitting research.

Product Overview

Aniline-2-sulfonic acid is also a chemical product. Its properties are specific and it has a wide range of uses. Looking at its shape, it is often in a crystalline state, the color is white or nearly white, and the texture is pure and delicate. In terms of its properties, its solubility in water is acceptable, and it can show its unique chemical properties in specific solvents. In various chemical processes, it is of special importance. It can be used as a key raw material for dye synthesis. After delicate reactions, colorful dyes can be produced. In the field of pharmaceutical synthesis, it also contributes to the preparation of many pharmaceuticals. The preparation of aniline-2-sulfonic acid requires rigorous methods to control precise temperature, pressure and material ratio in order to obtain excellent production. It is an important quality in industry and scientific research, and future exploration and application will be more far-reaching.

Physical & Chemical Properties

Aniline-2-sulfonic acid (Aniline-2-Sulfonic Acid) is a particularly important chemical substance. Its physical properties are unique, its color is white, it often exists in a crystalline state, and it has a certain solubility in water. This characteristic makes it well dispersed and participating in reactions in many chemical reaction systems. In terms of its chemical properties, aniline-2-sulfonic acid has the general properties of acid and can combine with bases to form corresponding salts. The benzene ring structure in its molecule allows it to participate in electrophilic substitution reactions unique to aromatics, such as halogenation and nitrification. The presence of amino groups and sulfonic acid groups interacts with the electron cloud distribution of molecules, which has a significant effect on their reactivity and selectivity. It is often used as a key intermediate in the field of organic synthesis to create a variety of fine chemicals. It plays an indispensable role in the dye, pharmaceutical and other industries.

Technical Specifications & Labeling

Aniline-2-sulfonic acid is also an important chemical product. Its technical regulations and identification (commodity parameters) are related to the quality and efficacy of use. The production of this product must follow a strict method. The choice of materials must be pure, and impurities should not enter, so as not to mess with its quality. The control of temperature is crucial. If it is high, it will be destructive, and if it is low, the reaction will not be complete. The degree of time should not be ignored. Only when it is appropriate can we get the best production. The design of the logo should clarify its nature, quantity and purity. For those who are sexual, such as the stability of chemical properties, it should be in line with other things; for those who are quantitative, what is the weight of geometry and accumulation; for those who are pure, the proportion of miscellaneous. The person who uses it can use it safely and well according to this logo. This technical specification and logo (commodity parameter) are the cornerstone of the industry of aniline-2-sulfonic acid and cannot be ignored.

Preparation Method

To prepare Aniline-2-Sulfonic Acid (Aniline-2-Sulfonic Acid), the method is as follows: Raw materials and production process: Aniline is used as the initial raw material, and sulfuric acid is used as the sulfonating reagent. Take an appropriate amount of aniline and slowly inject it into the container containing sulfuric acid. The ratio of the two needs to be precisely prepared. Reaction steps: Heat the mixture and gradually raise the temperature to a suitable range to fully react with aniline and sulfuric acid. This process requires close attention to temperature changes to avoid overheating or overcooling to ensure smooth progress of the reaction. Catalytic mechanism: Specific catalysts can be added to it to promote the reaction rate and increase the yield. The precise amount of catalyst depends on the scale and conditions of the reaction. Pure aniline-2-sulfonic acid can be obtained by a series of separation and purification methods, such as crystallization and filtration, after the reaction is completed.

Chemical Reactions & Modifications

The preparation of Guanfu Aniline-2-Sulfonic Acid depends on the reaction and change of chemistry. The methods of the past were often inconvenient, the reaction was slow, and the yield was not abundant. Today, we strive to improve and hope for its qualitative change. At the beginning of the reaction, the raw materials need to be carefully selected and the proportions are accurate to achieve the best effect. Catalytic materials are also the key, and good use can promote the reaction to proceed quickly. And the reaction environment, temperature and humidity are all affected, and must be carefully controlled. As for the change, the slight change of structure may make the performance outstanding. For example, the configuration of molecules and the modulation of functional groups are expected to produce products with better performance. After many attempts, the process may be optimized to make the product of Aniline-2-Sulfonic Acid beautiful and abundant, so as to meet all needs and become a new achievement in the field of chemistry.

Synonyms & Product Names

Aniline-2-Sulfonic Acid is also a chemical product. It has the same trade name, which is elegant. In the past, there were many reasons for this product. Or aminobenzenesulfonic acid, which is based on the name of its chemical industry. It is also called by the name of the trade, which has different names due to its use, product, and location. It is used in the field of chemical industry, so the same trade name is also important. Knowing the same name, it is easy to identify and trade and research. It is beneficial to test the same trade name, which is beneficial to chemical research and prosperity.

Safety & Operational Standards

Safe operation of benzidine-2-sulfonic acid For those who use benzidine-2-sulfonic acid, the chemical products should also be used. In the environment of the room and the work environment, the safe operation should be observed to ensure the well-being of people and the safety of the environment. #First, the importance of storage Benzidine-2-sulfonic acid should be used in dry, cool and good places. Avoid the mixing of oxidizing, acid, and sulfonic acid to prevent the reaction of chemicals. The device must be in good condition to prevent the risk of leakage. In the place, the fire protection and leakage equipment of the warehouse. #Second, the operation of the operation of the operation, the appropriate anti-damage, such as clothing, gloves, eyes, etc. If there is a powder, it is appropriate to use a general or suction device to avoid the harm of inhalation. When the solution is prepared, add this product to the solution, and mix it well to prevent the strong reaction. #Third, the leakage Once the leakage is made, the quick separation is low, and the prohibited one is close. A small amount of leakage can be removed by sand, vermiculite, etc., and placed in a suitable container. If there is a large amount of leakage, it needs to be blocked by the embankment, neutralized by the chemical, and then placed according to the protection. #4. First aid If the skin is damaged, quickly wash it with plenty of water and soap. If it enters the eyes, wash it with water immediately and seek medical treatment. If you eat, do not induce vomiting, and send it to the hospital as soon as possible. If you inhale, move to a new air tank, and apply artificial respiration if you are sleepy. Therefore, the safe operation of Aniline-2-Sulfonic Acid is the foundation of health and hygiene. In this way, it can avoid diseases, keep people safe, and keep people safe.

Application Area

Aniline - 2 - Sulfonic Acid is an important chemical product. It has a wide range of application fields. In the dye industry, it can be used as a key raw material to help dyers prepare gorgeous colors. The dyes are colorful, bright and long-lasting, making clothing and fabrics extraordinary. In the field of medicine, it also has its place of use. It can provide assistance for pharmacists to prepare pharmaceuticals, or has specific pharmacological effects, and adds to the healing of diseases. In many industrial processes, this product is often an important auxiliary agent, or helps smooth reaction, or improves product quality. Such applications are of great significance to people's livelihood and industry. It is an indispensable substance in the chemical industry to promote the continuous progress of related industries.

Research & Development

In the field of chemical industry, there is Aniline-2-Sulfonic Acid. As a chemical researcher, I have been dedicated to the research of this substance for a long time. At the beginning, it took a lot of effort to understand its properties and analyze its structure. In the laboratory, various instruments are listed, and there are many drugs. With a rigorous method, observe its response to various things, observe its changes, and record its numbers. Over the years, its characteristics are gradually known. Knowing that it has a wide range of industrial uses, it can be used as a raw material for dyes and medicine. However, the method of its preparation also needs to be refined. I and my colleagues explore new ways and improve the process. Either seek efficient agents, or seek precise control. Hope to reduce its consumption, improve its production, and improve its quality. The research and progress of Aniline-2-Sulfonic Acid is still on the mountain trail. Although it is rugged, it has promising prospects. Hope that there will be more innovations in the future, making it shine in the forest of chemical industry and add luster to various industries.

Toxicity Research

Today there are products of Aniline-2-Sulfonic Acid, and its toxicity research is very important. Our generation is a chemical researcher, and we are dedicated to exploring. This product may exist in many chemical processes, which is related to the safety of everyone and the state of the environment. After careful investigation, under specific reaction conditions, Aniline-2-Sulfonic Acid may exhibit different toxicity characteristics. In its molecular structure, specific groups interact or cause toxicity changes. However, the apparent toxicity is also affected by factors such as surrounding medium, temperature, and concentration. Although current research has made progress, there are still gaps. In the future, when a wide range of samples are sampled, more factors are set up to clarify the full picture of its toxicity. When using this substance for the world, it will avoid harm and profit, protect the environment and personal safety, and make a modest contribution.

Future Prospects

Aniline - 2 - Sulfonic Acid, although it has been used in various research in this world, its future development still has great hope. The progress of science has no end. This compound, or in the field of materials, can assist in the research of new substances, making it more advantageous, such as strong and light, tough and corrosion-resistant, to meet the needs of all kinds of difficulties. In the road of medicine, it may also be the key to inspire new treatments and save the suffering of people from diseases. And the chemical industry depends on its excellence. It may lead to a revolution in craftsmanship, make the product purer, consume less, and gradually lose the ring. Although there may be thorns in the road ahead, with our scientific research heart and perseverance, we will definitely be able to develop in the future of Aniline-2-Sulfonic Acid, open up the path of prosperity, paint gorgeous scenery, and seek immeasurable well-being for future generations.

Frequently Asked Questions

What are the main uses of Aniline-2-Sulfonic Acid?

Aniline-2-sulfonic acid has a wide range of uses. In the dye industry, it is an important intermediate for the preparation of various dyes. For example, when synthesizing azo dyes, it is often relied on as a starting material. After delicate chemical reactions, various dyes with colorful, bright colors and good fastness can be prepared. It is widely used in fabric dyeing and other fields to make fabrics show rich and diverse colors and meet the world's demand for the beauty of clothing and other textiles. In the field of medicine, it also has important uses. It can be used as a key raw material for the synthesis of specific drugs. Through chemical synthesis, the specific structure of drug molecules can be constructed to achieve the effect of treating diseases. Although its application in medicine may not be as extensive as in the dye industry, it is indispensable in the research and development and production of some specific drugs. In addition, in the field of organic synthetic chemistry, aniline-2-sulfonic acid is often used as a reagent for organic synthesis due to its unique chemical structure. It can participate in many organic reactions, such as nucleophilic substitution reactions, condensation reactions, etc., helping chemists to construct more complex molecular structures of organic compounds and contributing to the development of organic synthetic chemistry. In short, aniline-2-sulfonic acid plays an indispensable role in many aspects of industry, medicine and chemical research.

What are the physical properties of Aniline-2-Sulfonic Acid?

Aniline-2-sulfonic acid is one of the organic compounds. It has unique physical properties. Looking at its morphology, under room temperature and pressure, it is mostly white to light yellow crystalline, and the quality is relatively stable. When it comes to solubility, it is soluble in water, which makes it well dispersed and participate in the reaction in many aqueous chemical reaction systems. However, in organic solvents, such as common ether, benzene, etc., the solubility is quite limited. Besides the melting point, its melting point is in a specific range, about [specific melting point value]. This melting point characteristic plays a key role in determining its physical state change during heating. When the temperature rises to the melting point, the substance gradually changes from solid to liquid, which is of great significance in chemical production and related experimental operations, and is related to the precise control of reaction conditions. Its density is also one of the important physical properties, [specific density value], this value reflects the mass of the substance per unit volume, and has an impact on its behavior during storage, transportation, and participation in the mixing system. In addition, the appearance of aniline-2-sulfonic acid shows color and crystalline form, which not only helps to identify and judge it preliminarily in experiments and production, but also reflects its purity and other quality indicators from the side. Its physical properties are interrelated and together affect the application and operation of this substance in chemical, pharmaceutical, and many other fields.

What are the chemical properties of Aniline-2-Sulfonic Acid?

Aniline-2-sulfonic acid is one of the organic compounds. It has unique chemical properties. In terms of acidity, it is acidic due to the sulfonic acid group. This sulfonic acid group can ionize hydrogen ions, exhibit acidic characteristics in aqueous solution, and can neutralize with bases. For example, it interacts with sodium hydroxide to form corresponding salts and water. In terms of solubility, it has a certain solubility in water due to the polar sulfonic acid group. However, the existence of aromatic rings makes its solubility not very high. Usually, the solubility in hot water is greater than that in cold water. In terms of reactivity, the amino group and sulfonic acid group on the benzene ring have a great influence on the electron cloud density of the benzene ring. The amino group is the electron-withdrawing group, and the sulfonic acid group is the electron-withdrawing group. The interaction between the two causes the electron cloud density distribution of the benzene ring to change. This makes the reactivity of some positions of the benzene ring different. For example, during the electrophilic substitution reaction, the electron cloud density of the adjacent and para-position of the amino group is relatively high, and the electrophilic reagents are easy to attack these positions. And amino groups can participate in many reactions, such as reacting with acid chloride to form amides, and reacting with nitrous acid to form diazonium salts. Sulfonic acid groups can also participate in the reaction, such as esterification with alcohols under appropriate conditions. Because its molecular structure contains benzene ring, amino group and sulfonic acid group, it can be used as an important intermediate in the synthesis of a variety of organic compounds, and is widely used in dy In conclusion, the chemical properties of aniline-2-sulfonic acid are determined by the synergistic action of various groups in its structure, presenting diverse and unique characteristics, which are of great value in the fields of organic synthesis.

What is the production method of Aniline-2-Sulfonic Acid?

For aniline-2-sulfonic acid, the method of preparation used to follow the technique of sulfonation in the past. The cover is based on aniline, so that it interacts with sulfuric acid to obtain this acid. First, take an appropriate amount of aniline and slowly inject it into sulfuric acid. The concentration and dosage of sulfuric acid are fixed and must be combined with the law. Concentrated sulfuric acid is usually used, and the ratio of it to aniline varies according to the requirements of the preparation. After mixing, put it in a container and add slight heat to make the two gradually combine. The degree of heat should not be too high, and if it is too high, it is easy to produce side reactions and cause impure products. During the reaction process, the molecular structure gradually changes. On the benzene ring of aniline, the sulfonic acid group gradually enters its position, replaces the hydrogen atom, and finally forms aniline-2-sulfonic acid. The speed of the reaction is related to both temperature and time. If the temperature is appropriate, it should be fast, but if it is too appropriate, it is not good. For a long time, it must wait until the application is finished. When the application is completed, there may be unsuitable raw materials and by-products in the product. In order to obtain pure aniline-2-sulfonic acid, a method of separation and purification should be carried out. According to its physical properties, it can be recrystallized with water or an organic solvent. After crystallization comes out, it is obtained by filtering, and then washed with an appropriate agent to remove its impurities. After drying, it is a pure product. In addition, there are other ways to make it. If you start with a derivative of aniline, you can also achieve this purpose through various reactions. However, the method of sulfonating aniline is relatively simple, so it was used in the past. Although the technique is ancient, it is really important in the preparation of aniline-2-sulfonic acid.

What are the precautions for storage and transportation of Aniline-2-Sulfonic Acid?

Aniline-2-sulfonic acid, when storing and transporting, pay attention to many matters. Its properties have certain particularities and need to be treated with caution. First, storage must be placed in a cool, dry and well-ventilated place. If it is in a humid place, it is easy to be attacked by water vapor, resulting in changes in quality. Cover this substance or react with water, or appear to deliquescence due to high humidity, damaging its inherent properties. And the temperature also needs to be controlled. Excessive temperature can cause chemical changes, or cause decomposition and deterioration, so it should be kept in the appropriate temperature range. Furthermore, the storage place should be kept away from fire and heat sources. Aniline-2-sulfonic acid is a chemical with certain flammability or reactivity. In case of open flames, hot topics, it is dangerous to burn or even explode, endangering the safety of the surroundings. It should also be stored separately from oxidants and alkalis, etc., and should not be mixed. Because of its encounter with oxidants, or a violent oxidation reaction; coexistence with alkalis can also trigger chemical reactions, which can cause changes in material properties or dangerous products. As for transportation, it is necessary to choose the appropriate transportation method and packaging according to its chemical properties and dangerous characteristics. The packaging must be tight and sealed to prevent leakage. During transportation, drive steadily and slowly to avoid bumps and vibrations, so as to avoid damage to the packaging and leakage of materials. The escort should also be familiar with its characteristics and emergency response methods. In case of emergencies, they can respond quickly and minimize harm. And the transportation vehicle should be equipped with corresponding fire and leakage emergency treatment equipment for emergencies. In short, the storage and transportation of aniline-2-sulfonic acid must strictly abide by regulations and operate cautiously to ensure safety.