Products

O-Nitroaniline-P-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code

115859

Chemical Formula C6H6N2O6S
Molecular Weight 234.19 g/mol
Appearance Yellow crystals or powder
Solubility In Water Slightly soluble
Melting Point 275 - 280 °C (decomposes)
Density Approx. 1.7 g/cm³
Ph Acidic in solution
Stability Stable under normal conditions
Hazard Class Irritant
Packing & Storage
Packing 25 - kg bags for packaging O - Nitroaniline - P - Sulfonic Acid chemical.
Storage O - Nitroaniline - P - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in a tightly sealed container to prevent moisture absorption and contact with air. Store separately from oxidizing agents and reducing agents to avoid potential chemical reactions that could pose risks.
Shipping O - Nitroaniline - P - Sulfonic Acid should be shipped in tightly sealed containers, safeguarded from moisture and heat. It must comply with hazardous chemical shipping regulations to ensure safe transportation.
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O-Nitroaniline-P-Sulfonic Acid
General Information
Historical Development
O-Nitroaniline-P-Sulfonic Acid is also a chemical product. Its historical development originated from the chemical exploration of the past. At that time, the chemical sages studied the properties and changes of matter, and worked tirelessly to seek new knowledge.
At the beginning, the understanding of organic compounds was still shallow, and everyone groped forward in the dark. After long-term experiments and thinking, they gradually touched on such compounds. In the process of synthesis, there were many setbacks, but the ambition of scholars was as solid as a rock, and they were not discouraged.
With the passage of time, the chemical technology has improved day by day, and the understanding of O-Nitroaniline-P-Sulfonic Acid has deepened, and the synthesis method has become more and more exquisite. From the initial crude attempt to the later fine regulation, every step has gathered countless efforts. This compound is gradually used in industry, scientific research and other fields, contributing to the progress of many fields, and eventually becoming a bright pearl in the long river of chemical development.
Product Overview
O-Nitroaniline-P-Sulfonic Acid, it is also an important material for the synthesis of dyes and dyes. Its properties are of special characteristics, and it is important to study. This compound may be light in color and usually solid in powder. Under specific conditions, it can be determined.
The method of synthesis requires precise control of general factors, such as the degree and quantity of dyes, and whether the product is obtained. In the field of engineering, the use is very important, and it is often an important raw material for the synthesis of dyes and dyes.
However, it should be used with caution, because it may have a certain degree of danger, the environment and the human body may be affected. Therefore, in the study of safety, it is necessary to follow the standard rules to ensure safety.
Physical & Chemical Properties
"On the physical and chemical properties of o-nitroaniline p-sulfonic acid"
The two-nitroaniline p-sulfonic acid has its own unique properties among chemical substances. Looking at its color, it is often light-colored, or nearly white, and the texture is mostly crystalline, delicate and shiny.
In terms of its solubility, it has a certain solubility in water, but it is also subject to temperature. When the temperature is high, the solubility increases slightly. This is because the temperature rise makes the molecular activity gradually stronger, and it interacts more densely with water molecules.
As for its chemical activity, the nitro group and the sulfonic acid group are combined in one structure, resulting in different reactivity. The nitro group has strong electricity absorption, and the sulfonic acid group is also active. The two interact with each other and are often the key part in many reactions. In case of alkali, the sulfonic acid group can be phased with the base to form the corresponding salt. In addition, in a specific catalytic environment, the nitro group can be reduced, causing great changes in the structure and properties of the substance. This is also the wonders of the physical and chemical properties of o-nitroaniline sulfonic acid.
Technical Specifications & Labeling
"On the Technical Specifications and Labeling (Commodity Parameters) of O-Nitroaniline-P-Sulfonic Acid"
Today's detailed description O-Nitroaniline-P-Sulfonic the technical specifications and labeling parameters of Acid. Its color is pure and positive, and it has a specific color. There is no variegated color mixed in it. The texture is uniform, the touch is delicate, and there is no risk of uneven particles.
Its chemical purity needs to reach a very high standard, and the impurity content is minimal to ensure the stability of its chemical properties. On the label, the name O-Nitroaniline-P-Sulfonic Acid, and the key chemical composition, molecular weight and other parameters are clearly stated. And it is necessary to attach a clear warning label to inform the user of the matters to be paid attention to during the operation and storage of this object to ensure that it is safe to use and meets the specifications of technical specifications and labels.
Preparation Method
The method of making O-Nitroaniline-P-Sulfonic Acid is to prepare the raw materials first. Take aniline and sulfonate it with sulfuric acid to obtain p-aminobenzenesulfonic acid. Then nitrate with nitric acid. During the reaction, the temperature should be controlled moderately, so as not to overplay and avoid other changes. The reaction steps are as follows: First, in a sulfonation kettle, aniline and sulfuric acid are mixed in an appropriate proportion, heated and stirred to promote sulfonation. Next, move to a nitration kettle, slowly add nitric acid, and strictly observe the reaction conditions. As for the catalytic mechanism, sulfuric acid is used as a catalyst in this sulfonation step to promote the reaction of aniline and sulfuric acid to form sulfonic acid. In the nitrification stage, nitric acid and sulfuric acid cooperate to provide nitro-positive ions, causing p-aminobenzene sulfonic acid to nitrate to obtain O-Nitroaniline-P-Sulfonic Acid. To make this product, raw materials, production process, reaction steps and catalytic mechanism are all key, and need to be carefully controlled to obtain good products.
Chemical Reactions & Modifications
In the field of chemical industry, the preparation of O-Nitroaniline-P-Sulfonic Acid is related to chemical reaction and modification, and it is a matter of great importance. The synthesis of this compound requires a delicate method. In the past, the preparation conditions were often harsh, and the yield was not ideal.
Today, scholars are trying their best to think of ways to improve. In the reaction medium, the suitable solvent is selected to make the reactants blend better and the reaction path smooth. The catalytic agent is also carefully screened to accelerate the reaction and improve the selectivity.
When modifying, the molecular structure is observed, and the chemical method is used to increase its stability and solubility. In this way, it may be able to expand its application in various fields, such as dyes and medicine. This is the direction for chemical researchers to forge ahead, with the hope of using wisdom and hard work to make this compound new and useful to the world.
Synonyms & Product Names
"Identification of Product Names"
The name of an O-Nitroaniline-P-Sulfonic Acid is also a chemical substance. The name of the object involved, the name of the synonym and the name of the commodity cannot be distinguished.
The name of the synonym, so it is clear that its essence is the same. If there are other names, they all refer to the same substance. It is important for academic inquiry to confirm the accuracy of knowledge.
The name of the commodity is related to the ease of circulation in the market. The name of the merchant, or the name, or the name because of its characteristics and uses, is expected to be known to the public and conducive to sales.
For O-Nitroaniline-P-Sulfonic Acid, the name of the synonym should accurately describe its structure and properties according to the rules of chemistry. The name of the commodity needs to consider the needs of the market, which is clear and clear, and can highlight the characteristics.
Therefore, distinguishing between its synonymous name and the name of the commodity is of great benefit to chemical research and industrial operation.
Safety & Operational Standards
On the Safety and Operation Specifications of O - Nitroaniline - P - Sulfonic Acid
For O - Nitroaniline - P - Sulfonic Acid, the preparation and use of chemical products are also related to safety and should not be careless. To clarify its safety and operation specifications, it is necessary to carefully review various matters.
When preparing, the choice of raw materials must be pure, if impurities are present, or there may be unexpected changes. All kinds of instruments must also be intact and seamless. If there is a leak in a distillation vessel, steam will escape, which will not only damage the output, but also cause the spread of toxic substances and endanger the well-being of the operator.
When operating, protective gear is indispensable. The operator wears special clothes to resist the erosion of chemical substances; wears protective glasses to protect the eyes from splashing liquid; wears protective gloves to prevent the skin from being poisoned. And the operation should be in a well-ventilated place. If it is in a closed place, toxins will accumulate, and inhalation will hurt the lungs.
Furthermore, the reaction conditions must be precisely controlled. If the temperature is too high, the reaction may be out of control, triggering the risk of explosion; if the temperature is too low, the reaction will be slow and it will be difficult to achieve the expected effect. The same is true for the pressure, which is not up to standard and can also cause disaster.
When storing, choose a dry and cool place, away from fire and heat sources. If this product is mixed with other things, or has a chemical reaction, it must be classified and disposed of.
After use, the residue should not be discarded at will. When in accordance with the prescribed laws, properly dispose of it to avoid pollution and the environment, and future disasters.
In short, the safety and operating standards of O-Nitroaniline-P-Sulfonic Acid are interlinked, affecting human life and the environment. Operators must be cautious and follow regulations to ensure that everything goes smoothly and is safe.
Application Area
O-Nitroaniline-P-Sulfonic Acid, it is widely used. In the industry of dyes, it can be used as a chromogen to obtain all kinds of fresh colors, dye fabrics and the color is firm, and it will not fade for a long time. In the field of medicine, it also has its power, which can be used as a raw material to make medicines and treat various diseases. And in the genus of pesticides, it can be a synthetic quality, and can help as a pesticide and herbicide, and keep the harvest abundant. It is indispensable in the chemical industry, and has great contributions to promoting the progress of the industry and the benefit of people's livelihood.
Research & Development
In the field of chemical industry, there is something called O-Nitroaniline-P-Sulfonic Acid, which is very different in nature and has a lot of functions. It is important for the academic community. My generation has been studying it for years, and observing the method of its synthesis requires precise control of various conditions. The ratio of raw materials and temperature are all important.
Initially, based on a certain material, supplemented by other agents, the reaction is gradual. During the process, carefully observe changes and fine-tune parameters to ensure a smooth reaction. After several years of research and improvement of the process, the purity and yield of the product have been improved.
Looking at its application, it has made achievements in printing and dyeing, medicine and other industries. The work of printing and dyeing depends on its fineness; the system of medicine relies on its characteristics. Today, we are still unremitting in our exploration, hoping to expand its use, gain efficacy, and add new achievements to the development of the industry. We are moving forward step by step in the chemical industry, with the goal of achieving success and benefiting the world.
Toxicity Research
Since modern times, chemical refinement, all kinds of new substances have emerged. Today there are O-Nitroaniline-P-Sulfonic Acid this substance, and its toxicity is of paramount importance.
I have carefully observed this substance and tested it in many ways. Observe its sympathies with all kinds of substances, and observe its changes in different situations. This substance touches it, or causes skin discomfort, and is harmful to the eyes. If taken by mistake, the viscera will be involved, the symptoms will be vomiting, abdominal pain, and even life-threatening.
And the gas emitted by this substance, the smell will also hurt the body, and it will be on its side for a long time. From this point of view, O-Nitroaniline-P-Sulfonic Acid toxicity is significant, between production and consumption, we should be cautious to prevent poisoning from flowing to the world and ensure everyone's well-being.
Future Prospects
O-Nitroaniline-P-Sulfonic Acid, it is also possible to transform things. There is no hope for the future prospects of the present. The properties of this compound are special, and it may have new applications in many fields.
It can be used in engineering, or it can be used as the basis for new technologies to improve the efficiency of materials. In scientific research, it may be new and innovative, leading to the innovation of synthesis. In terms of research, there are also possibilities that can be explored, or it may help new research and development, and explore new ways to cure diseases and epidemics.
It is not yet available, O-Nitroaniline-P-Sulfonic Acid is like a jade waiting to be carved, and it is possible to hide it. Our research and development efforts are unremitting, hoping to uncover its secrets, make it powerful, and benefit the world. It is our unseen prospect.
Frequently Asked Questions
What are the main uses of O-Nitroaniline-P-Sulfonic Acid?
O-nitroaniline - p-sulfonic acid, an important chemical substance with a wide range of uses. In the dye industry, it is a key intermediate for the preparation of a variety of dyes. Because it has a specific chemical structure, it can be combined with other compounds through a series of chemical reactions to produce rich-colored and fastness dyes, which can be used for dyeing fabrics, leather and many other materials to make the product colorful and lasting.
In the field of medicine, it also has its uses. It can be used as a raw material for the synthesis of certain drugs. It can participate in the construction of drug molecules by virtue of its chemical properties, which affects the activity and efficacy of drugs and helps to develop drugs for specific diseases.
In pesticides, o-nitroaniline - p-sulfonic acid also plays an important role. It can be used to synthesize some pesticides, enhance the control effect of pesticides on pests and pathogens, ensure the healthy growth of crops, and improve crop yield and quality.
In addition, in the field of organic synthetic chemistry research, it is a commonly used intermediate for chemists to explore new compounds, expand the path of organic synthesis, and promote the development of organic chemistry. In short, o-nitroaniline-p-sulfonic acid occupies an important position in many industries, and is of great significance to industrial production and scientific research.
What are the physical properties of O-Nitroaniline-P-Sulfonic Acid?
O-nitroaniline-p-sulfonic acid is a kind of organic compound. Its physical properties are quite unique.
Looking at its appearance, it often takes the form of a crystalline powder similar to white to light gray. This state is easy to observe and handle, and is conducive to access and resolution in many chemical operations.
When it comes to solubility, it has a certain solubility in water. Water is a common solvent, and its solubility in water makes it possible to carry out related operations in chemical reactions or separation processes using water as a medium. For example, in some reaction systems, its water solubility is used to achieve mixing and reaction of substances; or in separation and purification, it is distinguished from other insoluble substances by its dissolution difference in water.
In terms of melting point, it is about a specific temperature range. Melting point is an important physical parameter of a substance. By measuring the melting point, the purity of the substance can be judged. If the melting point is accurate and the melting range is narrow, it often indicates that the purity of the substance is high; conversely, the wide melting range may suggest that it contains impurities. Knowing the melting point is of great significance for the reaction or treatment process carried out under specific temperature conditions. It can ensure that the reaction is carried out in a suitable temperature range and avoid the change of the state of the substance due to improper temperature affecting the reaction process.
Its density is also a specific value. Density also plays an important role in practical applications. For example, in scenarios involving solution preparation and calculation of the mixing ratio of substances, density data can help to accurately determine the amount of substances and ensure the accuracy of the experiment or production process.
The physical properties of this o-nitroaniline-p-sulfonic acid are of critical significance in many fields such as chemical industry and pharmacy, and provide an important basis for scientific research and production operations in related fields.
O-Nitroaniline-P-Sulfonic the chemical properties of Acid
O-nitroaniline-P-sulfonic acid is a unique presence in organic compounds. Its properties have remarkable characteristics.
This substance often appears solid in appearance, or crystalline, and its color is white or yellowish, depending on the purity. In terms of solubility, its solubility in water is relatively special. Due to the existence of sulfonic acid groups, it has a certain solubility in water. However, the influence of nitro and amino groups limits its solubility and is not very soluble.
Chemical properties, because it contains nitro, amino and sulfonic acid groups, its activity is quite unique. Nitro has strong electron absorption, which reduces the density of the electron cloud of the benzene ring and decreases the activity of the electrophilic substitution of the benzene ring. The amino group is the power supply group, but due to the influence of the nitro group, its basicity is weakened compared with that of simple amines. The sulfonic acid group makes the compound acidic, which can neutralize with the base and generate corresponding salts.
In terms of stability, although it can maintain a certain stability under normal conditions, it is easy to react when exposed to heat, light or specific chemical reagents. At high temperatures, it may cause nitro decomposition, which can lead to danger. And because of the interaction of multi-functional groups in its structure, when participating in organic synthesis reactions, various reactions can occur according to different reaction conditions and reagents, such as substitution, reduction and other reactions. In the field of organic synthesis, it is an important intermediate. It can be reacted in a series to produce a variety of fine chemicals such as medicines, dyes, and pesticides.
What is the production method of O-Nitroaniline-P-Sulfonic Acid?
The preparation method of O-nitroaniline-P-sulfonic acid has been a specific method throughout the ages. In the past, nitrobenzene was often used as the starting material and was formed through several processes such as sulfonation and nitrification.
The first step is sulfonation, which mixes nitrobenzene with fuming sulfuric acid and reacts at a specific temperature and time. In this process, a sulfonic acid group is introduced into the benzene ring of nitrobenzene to form nitrobenzene sulfonic acid. However, this step requires precise temperature control. If the temperature is too high, it is easy to cause frequent side reactions and the product is impure. If the temperature is too low, the reaction will be slow and take a long time.
Then nitrification. The obtained nitrobenzene sulfonic acid is reacted with mixed acid (a mixture of nitric acid and sulfuric acid) under appropriate conditions. The ratio of mixed acid, reaction temperature and time are all key factors. Nitric acid provides nitro positive ions, attacks the benzene ring, and introduces nitro at a suitable check point to obtain O-nitroaniline-P-sulfonic acid. However, the nitrification reaction is violent, and if you are not careful, it will be dangerous, so you must be very cautious when operating.
With the passage of time, the preparation method has also improved. New techniques may use milder reaction conditions or optimize catalysts in order to increase yield and reduce by-products. However, whether new or old methods, they need to be carefully studied in all stages of the reaction to obtain pure and high-yield O-nitroaniline-P-sulfonic acid.
O-Nitroaniline-P-Sulfonic Acid in storage and transportation
For O-nitroaniline-P-sulfonic acid, many matters need to be paid attention to during storage and transportation.
Its nature may be more active, and the first environment to choose when storing. When placed in a cool, dry and well-ventilated place. If it is in a humid environment, it may cause moisture and deterioration, which will affect the quality. And the temperature also needs to be controlled. Excessive temperature may cause its chemical reaction, or even risk safety. It is advisable to avoid direct sunlight, sunlight or promote its decomposition.
During transportation, the packaging must be solid and reliable. To prevent the package from being damaged due to collision and vibration, so that the material leaks. The packaging material used should be compatible with the substance and will not react. The transportation vehicle should also be clean, dry, and free of other sundries that may react with it. And the transportation process should be driven according to the specified route, avoiding high temperature areas and crowded places.
Furthermore, because of its risk, the operator and the person in contact should be familiar with the relevant safety knowledge and prepare protective equipment, such as protective gloves, glasses, protective clothing, etc., to protect their own safety. In this way, O-nitroaniline-P-sulfonic acid is safe in storage and transportation.