Para Nitro Aniline-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	950666
Chemical Formula	C6H6N2O5S
Molecular Weight	202.19
Appearance	Yellowish crystals or powder
Solubility In Water	Moderately soluble
Melting Point	Approximately 288 - 290 °C
Ph In Aqueous Solution	Acidic
Density	Data unavailable
Odor	Odorless or faint odor
Stability	Stable under normal conditions
Hazardous Nature	May be harmful if swallowed, inhaled or in contact with skin

Packing & Storage

Packing	25 - kg bags of Para Nitro Aniline - 2 - Sulfonic Acid, well - sealed for chemical protection.
Storage	Para Nitro Aniline - 2 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances like strong oxidizing agents. Store in tightly sealed containers to prevent moisture absorption and potential reactions. Avoid storage near food and beverages to prevent contamination.
Shipping	Para Nitro Aniline - 2 - Sulfonic Acid is shipped in accordance with chemical transportation regulations. It's packed securely in suitable containers to prevent spills, ensuring safe transit to destinations. Special handling due to its chemical nature is adhered to.

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General Information

Historical Development

After checking the Para Nitro Aniline-2-Sulfonic Acid, it can be known as "p-nitroaniline-2-sulfonic acid". The following is a fragment of its historical development in classical Chinese form:
p-nitroaniline-2-sulfonic acid is also a product of chemistry. At the beginning, the academic community did not know about this thing. And with the progress of science, all the sages studied the secrets of chemistry, and gradually gained something. In the past, the way of chemistry was unknown, and the study of this thing was like a fog. Later, the public was exhausted, taking experiments as the path, taking theory as the key, analyzing its properties, and exploring the method of its synthesis. From the beginning of knowledge, to the method of gradual refinement, there were many twists and turns in the meantime. The knowledge and preparation of p-nitroaniline-2-sulfonic acid were clarified from obscurity, laying the foundation for the later chemical industries.

Product Overview

Today there is a product named Para Nitro Aniline - 2 - Sulfonic Acid. Its shape is also unique. This is a product made by chemistry and has a wide range of uses. Looking at its structure, it contains nitro groups, amino groups and sulfonic acid groups, which are linked to each other to form this unique shape.
Its color may be light or nearly colorless, and its texture may be crystalline, delicate and shiny. In the industrial field, it is often used as a raw material for dye synthesis. Due to its special structure, it can make colorful dyes through many reactions, dyeing fabrics and lasting color.
In scientific research, it is an important reagent. With its characteristics, the mechanism of chemistry can be explored and the process of reaction can be clarified. This Para Nitro Aniline - 2 - Sulfonic Acid is indispensable in the field of chemistry.

Physical & Chemical Properties

The industry of chemical industry is related to people's livelihood, and its properties are particularly important. Today there is Para Nitro Aniline - 2 - Sulfonic Acid, which is the key to chemical research. Its physical properties, the color is light, the state is like a powder, delicate and uniform. Under the sun, it has a slight luster and flickering. Its taste is slightly astringent, and it can be known by smell. And its weight is light, and it can be felt in the hand.
As for chemical properties, it is stable when it encounters acid, but when it encounters lye, it reacts, reorganizes molecules, and forms new substances. Under high temperature, there are also changes, the structure is gradually changed, and the characteristics are slightly changed. This is all for those of us who study chemical industry. Only by inspecting its physical and chemical properties can we make good use of this thing, add to the chemical industry, promote advantages and eliminate disadvantages, and benefit all people.

Technical Specifications & Labeling

Taste the technical rules and logos of Para Nitro Aniline - 2 - Sulfonic Acid (commodity parameters). This product is also made with strict technical regulations. Its color should be pure, without variegated dyes; its quality should be uniform, and there is no difference between gathering and dispersing. When making, the matching of materials must be accurate, and the temperature and time control must be appropriate.
As for the logo, list the parameters of the product in detail. Mark its name, correct its name, so that it can be seen. Describe its nature, physical and chemical quality are available, and the method and storage are also appropriate. Show the importance of safety, be vigilant against danger, and make the user cautious. In this way, the technical regulations and the logo are detailed, and the products of Para Nitro Aniline - 2 - Sulfonic Acid are good and safe for the user.

Preparation Method

The method of making Para Nitro Aniline-2 - Sulfonic Acid is related to the raw materials and production process, reaction steps and catalytic mechanism. First, an appropriate amount of aniline is taken, treated with a sulfonic acid agent, so that the sulfonic acid group is ingeniously connected to obtain an intermediate product. This step requires temperature control and speed to achieve a precise reaction. Then, the nitro group is introduced with a nitrifier, and the reaction conditions are carefully adjusted to ensure that the nitro group adheres to a specific position. The raw materials used must be pure, and the reaction equipment must be clean. After each step of the reaction, the product needs to be properly separated and purified. The catalytic mechanism uses a specific catalyst to reduce the reaction energy barrier, promote the reaction speed, and increase the yield of the product. In this way, high-quality Para Nitro Aniline-2 - Sulfonic Acid can be obtained.

Chemical Reactions & Modifications

I dedicated myself to the study of Para Nitro Aniline - 2 - Sulfonic Acid. Looking at the reaction, the reaction was slow at the beginning, the product did not meet expectations, there were many impurities, and the efficacy was not perfect.
The second thought, or because the reaction conditions were not suitable. Gu Yun: "If you want to do something good, you must first sharpen its tool." Then the factors of temperature, pressure, and catalyst were studied in detail. Adjust the temperature to a suitable degree, the pressure should be controlled, and choose the appropriate catalyst.
The reaction rate was greatly increased, the purity of the product was also high, and the performance was improved. From this point of view, the way of chemical application depends on careful observation of the causes and careful adjustment, so that the chemical application can be smooth and the product is excellent. This is what I have obtained from the application and modification of Para Nitro Aniline-2-Sulfonic Acid.

Synonyms & Product Names

Para Nitro Aniline-2-Sulfonic Acid, also known as p-nitroaniline-2-sulfonic acid. Its aliases are many, including p-nitroanthranilic acid.
In the field of chemical industry, although its name is different, it is actually the same thing. Merchants sell it, often with different names, but it refers to this Para Nitro Aniline-2-Sulfonic Acid. Chemical industries, or according to the experimental use and preparation method, take their own names and call them aliases. However, the root of it is the same substance, and there is no difference in reaction mechanism and chemical properties. Although the name is complex, clear its essence, it will not be confused, and everything in the chemical industry can be carried out in an orderly manner.

Safety & Operational Standards

Specifications for safety and operation of p-nitroaniline-2-sulfonic acid
Where p-nitroaniline-2-sulfonic acid is prepared, the first priority is safety. This substance is specific, and when handling it, all the details must be followed carefully.
The preparation site must be well ventilated. Because of its potential to dissipate bad gas, if it gathers in the room, it will be harmful to people's health. And the space should be spacious and bright, and debris should not accumulate to prevent obstruction of passage and avoid exogenesis.
The operator should use appropriate protective equipment. Wear special work clothes to prevent its objects from being contaminated with clothes; wear protective gloves on your hands to avoid personal contact with your skin; cover your face with a mask or mask to prevent its air from entering your lungs. If you accidentally touch it, rinse it with plenty of water quickly, and seek medical attention if it is serious.
All utensils used must be clean and intact. Check carefully before use, and discard if there is any damage. When mixing materials, the rate should be slow and stirring constantly to prevent overreaction. Heating temperature control must be accurate, according to the established procedure, do not make the temperature change suddenly.
Material storage, there are also regulations. It should be placed in a cool and dry place, away from fire sources and oxidants. Classified storage, clear identification, easy to check, and prevent confusion and risk.
Furthermore, be familiar with emergency measures. Have a fire extinguisher nearby and be familiar with the method of use. In case of leakage, quickly cut off the power supply, ban fireworks, enclose the scene, and clean it up properly.
In short, the preparation of p-nitroaniline-2-sulfonic acid is safety-first, and the operation is carried out according to the norms, so as to avoid disasters and ensure all things go smoothly.

Application Area

Modern chemistry has advanced, and various chemical products have been presented in the world. Among them, Para Nitro Aniline - 2 - Sulfonic Acid has a wide range of uses.
In the field of dyes, it can be used as a key raw material. Based on it, dyes with bright colors and good fastness can be prepared, dyed fabrics, bright colors, and it is not easy to fade after years and washing. It is an indispensable position in the clothing printing and dyeing industry.
In the field of medicine, it also has its uses. Through specific reaction and synthesis paths, it can be converted into ingredients with specific pharmacological activities, or assisted in the development and preparation of drugs, contributing to human health.
Furthermore, in the manufacture of some fine chemical products, Para Nitro Aniline - 2 - Sulfonic Acid also plays an important role in helping to improve the quality and performance of products. It can be seen that its application field is wide, and it plays an important role in the development of many industries.

Research & Development

Today there is a chemical substance called Para Nitro Aniline - 2 - Sulfonic Acid. I am a chemical researcher and have been studying it for many years.
At the beginning, I explored the properties of this substance, such as its physical and chemical characteristics, and the changes under different conditions. Then think about the method of its preparation, and find the way to high efficiency and excellent production. Between experiments, there are many difficulties, and the adjustment of formulas and the control of conditions need to be fine.
However, with unremitting efforts, I have gradually gained something. The better the preparation method, the better the yield will gradually increase. And found that it can be used in many fields, such as dyeing and weaving, it can be used as a color enhancer; in medicine, it may have auxiliary properties.
Looking to the future, we should continue to improve. Optimize the preparation process, reduce costs and increase efficiency; expand the application area, so that it can add luster to more industries, contribute to the development of chemical industry, contribute what we have learned, promote the progress of this material, and promote the prosperity of the industry.

Toxicity Research

After tasting the chemical industry, there is a thing called Para Nitro Aniline-2 - Sulfonic Acid, and the study of its nature is related to everyone. My generation studied the toxicity of this thing with great caution.
Examine its properties in detail, and in various experiments, explore its impact on living things. Or enter the water and observe aquatic things; or apply it to the soil and observe the seedlings that grow in the soil. See it either causes the vitality to be depleted, or the body is abnormal.
Although Para Nitro Aniline-2 - Sulfonic Acid is useful in industry, the harm of toxicity must be prevented. We should use rigorous methods to study the principles of toxicity and seek strategies to avoid harm. Hope that this substance can be used properly without causing disasters to living beings and dusting the environment. In this way, it will live up to the original intention of studying toxicity and ensure the peace of the world.

Future Prospects

I have tasted the way of chemical industry, and new products are emerging with each passing day. Para Nitro Aniline - 2 - Sulfonic Acid is the object I have devoted myself to studying. Looking at it at the moment, it has achieved remarkable achievements, but my heart expects it to expand infinitely in the future.
It is expected that in the future, in the field of medicine, it may be able to help doctors develop new drugs that can save people from illness and pain; in the industry of dyeing and weaving, it can bloom colorful brilliance and make fabrics look unique. And with the advancement of science and technology, the preparation process should become more and more exquisite, the cost is reduced and the quality is better.
I firmly believe that with time, Para Nitro Aniline - 2 - Sulfonic Acid will be able to shine, create new trends in various industries, and bring more surprises and benefits to the world. I am looking forward to its future.

Frequently Asked Questions

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

P-nitroaniline-2-sulfonic acid, this substance has a wide range of uses. In the dye industry, it is a key intermediate. With this material, many colorful dyes can be synthesized, such as direct dyes, acid dyes, etc. Such dyes have bright colors and good fastness. They are widely used in the textile printing and dyeing industry, which can make fabrics show colorful colors.
In the field of medicine, p-nitroaniline-2-sulfonic acid also has important uses. It can be used as a raw material for the synthesis of certain drugs, providing a key basic substance for the research and development and production of medicines, and helping to develop more effective drugs for treating diseases.
In the field of organic synthesis, as an important starting material, it can construct complex organic compounds through a series of chemical reactions. These organic compounds play an indispensable role in the fields of materials science, fine chemistry, etc., and can be used to prepare special materials, additives, etc., to meet the special needs of different industries.
With its unique chemical structure and properties, p-nitroaniline-2-sulfonic acid occupies a key position in many important industrial fields, promoting the development and progress of various industries.

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

Para-Nitro-Aniline-2-Sulfonic Acid, that is, p-nitroaniline-2-sulfonic acid, is a class of organic compounds. Its physical properties are unique, let me tell them one by one.
Looking at its properties, it is mostly solid under normal conditions. In terms of color, it is often white to light yellow powder, which is easy to identify. Its melting point is quite critical, about a specific temperature range. This temperature characteristic is an important reference in chemical production and analysis and testing.
In terms of solubility, p-nitroaniline-2-sulfonic acid has limited solubility in water, but it can exhibit certain solubility in some polar organic solvents, such as ethanol and acetone. This difference in solubility makes it possible to choose a suitable solvent according to its characteristics in related chemical operations to achieve the purpose of dissolution, separation and purification.
Furthermore, its density is also an important physical property. The established density value reflects the mass characteristics of the substance per unit volume. It is indispensable for material calculation in chemical processes and reaction vessel design.
In addition, the stability of p-nitroaniline-2-sulfonic acid also needs attention. Under normal conditions, it is still relatively stable, but when it encounters specific environmental factors such as high temperature and strong oxidizing agents, or chemical reactions occur, its structure and properties change.
In summary, the physical properties of p-nitroaniline-2-sulfonic acid, such as properties, color, melting point, solubility, density and stability, are interrelated and together constitute its unique physical property system, which is of great significance for application and research in the chemical industry.

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

Para-Nitro-Aniline-2-Sulfonic Acid, that is, p-nitroaniline-2-sulfonic acid, has unique chemical properties. This substance is acidic, because its sulfonic acid group can ionize hydrogen ions, and it can exhibit the characteristics of acid in water. It can neutralize and react with alkali substances to generate corresponding salts and water.
The stability of p-nitroaniline-2-sulfonic acid is good under certain conditions, but it will also react under high temperatures and strong oxidizing agents. The nitro group in its molecule is a strong electron-absorbing group, which has a significant impact on the electron cloud distribution of the molecule, causing its chemical activity to change.
This substance has a wide range of uses in the field of organic synthesis, and is often used as an intermediate to prepare a variety of dyes, drugs and other compounds. Due to its structural particularity, it can participate in many nucleophilic substitution, coupling and other reactions. By virtue of the activity of sulfonic acid groups and nitro groups, it realizes ingenious connection with other organic molecules, and then builds complex organic structures.
In terms of solubility, due to the hydrophilicity of sulfonic acid groups, p-nitroaniline-2-sulfonic acid has a certain solubility in water, and can also be partially dissolved in polar organic solvents. This property facilitates its participation in chemical reactions of various solution phases and helps chemists better control the reaction process and conditions.

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

The method of preparing nitroaniline-2-sulfonic acid used to follow various ways. One method is to take p-nitroaniline as the starting material and obtain it through sulfonation. When sulfonating, it is often necessary to choose a sulfonating agent, such as sulfuric acid. Sulfuric acid is both a strong acid and has the ability to sulfonate. It is often co-located with p-nitroaniline in its concentrated solution to control its temperature, time history and other conditions.
Temperature control is crucial. At the beginning, it is advisable to start at a lower temperature and gradually heat up to prevent the reaction from being too intense and causing side reactions to cluster. For example, it can start at tens of degrees Celsius, and then gradually rise to hundreds of degrees Celsius. The length of time is also related to the reaction process, and the reaction must be sufficient, that is, by various analytical methods, such as chromatography, to test the consumption of raw materials and the production of products, to determine the end of the reaction.
Another method is to sulfonate aniline first, and then apply nitrogenation. Aniline sulfonation can obtain aniline sulfonic acid, followed by nitrogenation reagents, such as mixed acids (a mixture of nitric acid and sulfuric acid), according to suitable conditions, the nitro group is introduced into a specific position, and then p-nitroaniline-2-sulfonic acid is obtained. In this process, the nitrogenation step also needs to carefully control its conditions, such as the concentration and ratio of acid, the temperature and time of the reaction, all of which are related to the yield and purity of the product.
Or it is obtained by several steps of reaction starting with other compounds. However, no matter what method, it is necessary to weigh the difficulty of each step of reaction, the level of yield, the amount of cost, and the impact on the environment, and strive to prepare p-nitroaniline-2-sulfonic acid by the best method.

Para Nitro Aniline-2-Sulfonic Acid Storage and Transportation

Phu para - Nitro - Aniline - 2 - Sulfonic Acid is also a chemical substance. During storage and transportation, many matters must not be ignored.
First words storage. This substance should be placed in a cool, dry and well-ventilated place. If it is in a humid place, it may come into contact with water vapor, causing its properties to change. And because it may be chemically active, it needs to be kept away from fire and heat sources to prevent accidental explosion. And should be stored separately from oxidizing agents, acids, bases, etc. Because it is mixed with it, it is easy to cause violent chemical reactions, damage the quality of the substance, and worse, endanger safety.
As for transportation, it is necessary to ensure that the packaging is intact. If the packaging is damaged, the substance escapes, or causes pollution, and it is also dangerous to the health of the transportation personnel. The transportation vehicle should be equipped with the corresponding variety and quantity of fire protection equipment and leakage emergency treatment equipment. During driving, it is necessary to protect against sun exposure, rain, and high temperature.
Furthermore, transportation and storage personnel should be familiar with the characteristics and safety precautions of this substance. In case of a situation, it can be properly disposed of according to the established safety procedures to ensure the safety of personnel, the environment and substances. In this way, when storing and transporting para - Nitro - Aniline - 2 - Sulfonic Acid, it is possible to prevent problems before they happen and everything goes smoothly.