2-Amino-5-Nitrobenzenesulphonic Acid

Lingxian Chemical

Specifications

HS Code	319883
Chemical Formula	C6H6N2O7S
Molar Mass	246.19 g/mol
Appearance	Yellow - brown crystals or powder
Solubility In Water	Slightly soluble
Solubility In Organic Solvents	Soluble in some polar organic solvents
Melting Point	Around 280 - 285 °C
Boiling Point	Decomposes before boiling
Acidity	Acts as an acid due to the presence of -SO3H group
Stability	Stable under normal conditions, but can decompose on heating or in contact with strong oxidizers

Packing & Storage

Packing	25 kg/bag of 2 - Amino - 5 - Nitrobenzenesulphonic Acid packaged in sturdy paper sacks.
Storage	2 - Amino - 5 - Nitrobenzenesulphonic Acid should be stored in a cool, dry, well - ventilated area, away from direct sunlight. It should be kept separately from oxidizing agents, reducing agents and incompatible substances to prevent reactions. Store in tightly closed containers to avoid moisture absorption and contamination, ensuring safe and long - term preservation.
Shipping	2 - Amino - 5 - Nitrobenzenesulphonic Acid is shipped in well - sealed containers. Compliance with regulations for hazardous chemicals ensures safe transport to prevent spills and exposure during transit.

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General Information

Historical Development

Ancient scholars, who study chemical things, often aspire to explore their origins and understand their rise and fall. Today's words 2 - Amino - 5 - Nitrobenzenesulphonic Acid This thing also has its historical evolution.
At the beginning, the academic community was still shallow in its understanding, and only slightly observed its appearance. However, as the years went on, the wise men worked hard, and the method of inquiry gradually refined. Begin with simple instruments, roughly measure its nature, and then, the technology was updated, its structure was analyzed, and its chemical signs were understood.
The road to research in the past was not lacking in difficulties. Everyone groped in the dark, or because of the lack of good law, or because of the lack of refinement of the device, and suffered repeated setbacks. However, he was determined to make progress in the end. From the initial ignorance, to the later being able to ripen this thing, and it is clear that it is used in various fields of industry and scientific research, which is really the work of the ages. Its development process is like the transfer of stars, from micro to micro, and it is the foundation of later chemical industry, which cannot be ignored.

Product Overview

2-Amino-5-nitrobenzenesulfonic acid is an important product in chemical products. Its color may be light yellow and crystalline, and it is widely used in many chemical fields.
The preparation method of this product is formed by a specific chemical reaction. Beginning with benzenesulfonic acid, it can be obtained by carefully adjusting the reaction conditions, such as temperature, pH, etc.
Its properties are stable and can last for a long time in a suitable environment. In the dye industry, it is often the key raw material for the manufacture of a variety of bright dyes. After clever synthesis, it can make the fabric color gorgeous and lasting. In medical research, it may also have potential value, providing the possibility for the synthesis of specific pharmaceutical ingredients.
However, when preparing and using, caution is required, because some reactions are dangerous, and the product may have potential effects on the environment and human health. It must be carried out in accordance with regulations to ensure safety and environmental excellence.

Physical & Chemical Properties

2-Amino-5-nitrobenzenesulfonic acid is also a chemical product. Its quality has special physical and chemical properties. Looking at its shape, it is often crystalline, and the color is white or yellowish. If it is under light, it can be seen that its crystal is bright. Its melting temperature is about tens of degrees. It melts when heated and melts in a specific temperature range.
As for its solubility, it has a certain solubility in water and can be soluble with water, but it also varies depending on the temperature and the amount of agent. In organic agents, such as ethanol and ether, the dissolution situation is different, depending on the nature of the agent.
In addition, its chemical activity is active, and it can be used in the environment of acid and alkali. It contains amino groups and nitro groups, both of which are in the chemical reaction, which are important parts of the reaction. It can be used in various ways to form different compounds. It is widely used in the chemical industry and is an important raw material in the chemical production.

Technical Specifications & Labeling

"On the Process Specification and Identification (Product Parameters) of Diaminopentanitrobenzenesulfonic Acid"
Fuji diaminopentanitrobenzenesulfonic acid is an important product of chemical industry. Its process specification is related to the quality. When preparing, the ratio of raw materials must be accurate, and the reaction temperature and duration must be fixed. If the raw materials are mixed, they must be done in sequence, so that the various substances are fully integrated, so that the reaction can be promoted smoothly.
As for the marking end, the product parameters should be clear outside. Its purity geometry and impurity content are all key. On the packaging, its characteristics and hazards should be marked in a significant way. In this way, users can see at a glance that when operating, they can follow its specifications to ensure safety and stability, and also ensure the stability of product quality. In the chemical industry, they can play their due role.

Preparation Method

In the process of preparing 2 - Amino - 5 - Nitrobenzenesulphonic Acid, the raw materials and production process, reaction steps and catalytic mechanism are the key. First, take nitrobenzene sulfonic acid as the raw material, and add an appropriate amount of amination reagent in a specific reactor according to the precise ratio. The temperature is controlled at an appropriate value, about ten degrees Celsius, to prevent side reactions. At the beginning of the reaction, the raw materials are slowly blended, and the chemical bonds are gradually rearranged with the help of catalysts. As the reaction advances, the molecular structure is remodeled and gradually becomes the target product. After the reaction is completed, the impurities are removed through separation and purification to obtain pure 2 - Amino - 5 - Nitrobenzenesulphonic Acid. The whole process needs to be strictly followed to ensure quality and yield.

Chemical Reactions & Modifications

2 - Amino - 5 - Nitrobenzenesulphonic Acid is commonly used in chemical industry. Its chemical reaction and modification research is of great value.
In the past, the synthesis of this compound followed the traditional path, but its reaction conditions were harsh and the yield was not ideal. Today's chemical researchers are determined to improve. Or try new catalysts, hoping to reduce the reaction temperature and increase the reaction rate; or explore other reaction media, hoping to make the reaction more efficient and good selectivity.
In terms of modification, it aims to optimize its physical and chemical properties. Or by introducing specific functional groups to make it more stable in specific environments; or modifying its structure to meet the needs of different industries. Through these various efforts, we hope that this compound can play a greater role in the fields of dyes, medicine, etc., adding new vitality to the chemical industry and promoting the progress of related industries.

Synonyms & Product Names

2-Amino-5-nitrobenzenesulfonic acid, a chemical product. Its synonymous name, known as m-nitroaniline o-sulfonic acid. Inter-market trade, also known as the world.
This substance is used in chemical industries and has a wide range of uses. It can be used as a raw material for the preparation of dyes, or in the synthesis of medicine. Its properties are stable, and it can be stored for a long time in an appropriate environment.
Looking back at the past, chemists studied its properties and came to know it today. At the beginning, it was explored its quality, and after difficulties, its structure and function were clarified. Today's industry, based on this achievement, produces a large number to meet the needs of all parties. Therefore, 2-amino-5-nitrobenzenesulfonic acid, under different names, is used in the field of chemical industry and is used by the world.

Safety & Operational Standards

2-Amino-5-nitrobenzenesulfonic acid safety and operating specifications
2-Amino-5-nitrobenzenesulfonic acid, this chemical substance is related to safety and operation, and has regulations and should not be ignored.
For storage, a cool, dry and well-ventilated place must be selected. Keep away from fire and heat sources, which is essential to prevent ignition and explosion. It needs to be stored in isolation from oxidants, acids, alkalis, etc., and must not be mixed to prevent violent chemical reactions and endanger safety.
When using, the operator must strictly follow the operating procedures. Wear appropriate protective equipment, such as protective glasses, to protect your eyes from splashes; gas masks, to block the inhalation of harmful gases; acid and alkali-resistant gloves, to protect the hand skin from contact with substances.
The operating environment is also exquisite. Ventilation facilities must be complete to allow air circulation and avoid the accumulation of harmful gases. The operation process should be rigorous and meticulous, and handled with care to prevent material leakage caused by damaged packaging. If a leak occurs, quickly evacuate unrelated personnel to a safe area and isolate them, strictly restricting access. Emergency responders should wear professional protective equipment and do not expose themselves to danger. Small leaks can be mixed with sand, dry lime or soda ash and collected in a dry, clean, covered container. If there is a large amount of leakage, a dike should be built or a pit should be dug to contain it, and it should be transferred to a tank car or a special collector by pump, and recycled or transported to a waste disposal site for disposal.
After use, the disposal of residual materials and appliances should not be ignored. Residual materials should not be discarded at will, and should be properly disposed of in accordance with relevant regulations. Utensils should be thoroughly cleaned to ensure that there is no residue for safe use next time.
In this way, during the operation and use of 2-amino-5-nitrobenzene sulfonic acid, strict safety and operating standards should be adhered to to to ensure the safety of personnel and the environment.

Application Area

Today there is a thing called 2 - Amino - 5 - Nitrobenzenesulphonic Acid. This thing has its uses in various fields.
In the dyeing and weaving industry, it can be used as a raw material for dyes. Through exquisite craftsmanship, it can produce dyes with brilliant color and good fastness, and dye fabrics with bright and long-lasting color, adding a lot of color to clothing and home textiles.
In the way of pharmaceutical research and development, it also has its own influence. Its structural characteristics may help chemists create new drugs, contributing to the healing of diseases and the protection of health.
In addition, in the path of scientific research and exploration, it is often used as an important reagent. Researchers use its unique properties to explore the reaction mechanism and open up new frontiers of chemical cognition.
From this point of view, 2 - Amino - 5 - Nitrobenzenesulphonic Acid is widely used and indispensable in practical fields.

Research & Development

I am committed to the research of 2 - Amino - 5 - Nitrobenzenesulphonic Acid. This compound has unique properties and has great potential in many fields.
At the beginning, I explored its synthesis method. After several trials, I adjusted the ratio of raw materials, reaction temperature and duration. The process is difficult, but I have been working hard. Finally, I have a stable synthesis path to improve the yield and purity.
Then look at its application, in the dye industry, it can be used as a key intermediate, giving bright and lasting color. In the field of medicine, after in-depth research, it may have potential medicinal value.
I am convinced that continued research on this compound and expanding its application range will surely bring new development opportunities to the chemical, pharmaceutical and other industries, and promote scientific and technological progress.

Toxicity Research

Today there is a substance called 2 - Amino - 5 - Nitrobenzenesulphonic Acid. As a chemical researcher, I often study the nature of poisons. The toxicity of this substance, I study it carefully.
Look at its structure, the basis of nitrogen and oxygen, or toxic. In the experimental environment, the white rat was tested. Feeding food containing this substance, within a few days, the white rat gradually showed a different state. Its mind was tired, its diet was reduced, and its hair lost its luster.
After analysis, this substance entered the body, or disrupted the order of its metabolism, disturbing the cells. Although it did not cause death, it will hurt health if it is touched for a long time. We study the toxicity of this thing to avoid harm for the world, and use it carefully to avoid disasters. Later generations will be more aware of the nature of this thing, and use it well to avoid disasters.

Future Prospects

Fu 2 - Amino - 5 - Nitrobenzenesulphonic Acid, it is also a thing of transformation. It is not yet developed, and it can be used.
In today's world, science and technology are changing, and this compound may be used in many new domains. Together, it may be able to help research new materials, so as to reduce diseases and reduce the pain of life. With the source of materials, or it can be used to make new materials, so that the materials have special characteristics and different needs.
Our researchers, we study the principles, explore the micro, and seek its use. In the future, it can be developed to avoid its shortcomings, so that the power of 2-Amino-5-Nitrobenzenesulphonic Acid can be used in the world. Make our lives better because of it, and make the science and technology of the world benefit because of it. The unfinished development can be expected.

Frequently Asked Questions

What are the main uses of 2-Amino-5-Nitrobenzenesulphonic Acid?

2-Amino-5-nitrobenzenesulfonic acid, which has a wide range of uses. In the dye industry, it is a key intermediate. It can be chemically converted to produce a variety of dyes with bright color and good fastness, such as acid dyes, direct dyes, etc. Such dyes are widely used in fabric printing and dyeing, which can endow fabrics with rich color and maintain stable color under conditions such as light and washing.
In the field of pharmaceutical synthesis, 2-amino-5-nitrobenzenesulfonic acid also has important value. It participates in the construction of some drug molecules, and by virtue of its own structural characteristics, it endows drugs with specific activity and function, and plays an active role in the treatment of certain diseases.
Furthermore, it is often used as a raw material or reagent in the study of organic synthesis chemistry. Because of its amino, nitro and sulfonic acid groups, it can participate in various organic reactions, such as substitution reactions, reduction reactions, etc., helping chemists synthesize complex and novel organic compounds and promoting the development of organic synthesis chemistry.

What are the physical properties of 2-Amino-5-Nitrobenzenesulphonic Acid?

2-Amino-5-nitrobenzenesulfonic acid, its physical state is solid and relatively stable at room temperature. Looking at its color, it is often in the form of a white to light yellow powder, fine and uniform, which is conducive to many chemical operations.
Smell, the substance does not emit a special strong odor. This characteristic is used in production and use scenarios to avoid pungent odors from disturbing personnel and the environment.
When it comes to solubility, 2-amino-5-nitrobenzenesulfonic acid can exhibit certain solubility properties in water. In hot water, its solubility is slightly higher, while in cold water, the amount of solubility is relatively small. This property is of critical significance in the separation, purification, and choice of reaction media in chemical processes.
Looking at its melting point, which is about a specific temperature range, this melting point data is an important physical indicator of the substance. In the chemical synthesis and subsequent processing process, when the controlled temperature approaches or reaches the melting point, the state of the substance will change, and it will melt from a solid state to a liquid state. This transition is extremely important for molding and other processes.
Its density is also an important parameter. The given density makes the material have a clear basis for space occupation and weight consideration when storing and transporting. When mixed with other substances, the density difference will also affect the uniformity of mixing and the performance of the final product.
The optical properties of 2-amino-5-nitrobenzenesulfonic acid cannot be ignored. Under the action of light, its absorption and reflection characteristics of different wavelengths of light affect the visual appearance of its appearance and color. At the same time, in some optical materials or analytical testing fields, this optical property can be exploited.

What is the preparation method of 2-Amino-5-Nitrobenzenesulphonic Acid?

2-Amino-5-nitrobenzenesulfonic acid, the preparation method of which was followed by many chemists in the past.
First, nitrobenzenesulfonic acid is used as the starting material. First, nitrobenzenesulfonic acid is added to a specific reactor, and an appropriate amount of ammonia is added. The amount of ammonia in this must be precisely controlled. At least the reaction is difficult, and at most, it will increase the cost. When the temperature is adjusted to a certain range, it is often warm but not too hot. Because the temperature is too high, it may cause side reactions to cluster and damage the purity of the product; if the temperature is too low, the reaction will be slow and take a long time. Under these conditions, ammonia gradually reacts with nitrobenzenesulfonic acid, and the amino group replaces the ortho or para-position of the sulfonic acid group. After a few hours, 2-amino-5-nitrobenzenesulfonic acid may be obtained. However, in this process, it is necessary to strictly measure the reaction process, and use various detection methods, such as chromatography, to observe the formation of the product, and stop the reaction at the right time to prevent the deterioration of the product due to excessive reaction.
Second, start from aniline sulfonic acid. First, use an appropriate nitrifying agent, such as a mixed acid of nitric acid and sulfuric acid, and add aniline sulfonic acid. The ratio of mixed acid and the rate of addition are all critical. Slowly drop in the mixed acid to obtain nitro from the benzene ring of anil When nitrifying, the temperature should also be controlled. This temperature may be lower than the former, about several degrees to ten degrees, to prevent excessive damage to the structure of aniline sulfonic acid. After the reaction is completed, the separation and purification method can remove impurities and precipitate the product, and 2-amino-5-nitrobenzene sulfonic acid can also be obtained. Purification method, or recrystallization technique, with a suitable solvent, dissolves the product, cools and crystallizes to make the product pure.
Or there are other methods, but they are all inseparable from the selection of raw materials, the control of reaction conditions, and the purification of the product. This is a common method for preparing 2-amino-5-nitrobenzenesulfonic acid in the past, and various parties choose the appropriate one according to the actual needs, the convenience of raw materials, and the cost.

2-Amino-5-Nitrobenzenesulphonic Acid to pay attention to when storing and transporting

2-Amino-5-nitrobenzenesulfonic acid, this is a chemical substance. When storing and transporting, many matters need to be paid attention to.
First words storage, because it may be chemically active, it needs to find a cool, dry and well-ventilated place. If it is in a humid place, it is easy to interact with water vapor, causing its quality to change. And because it may be sensitive to temperature, under high temperature, or chemically react, damaging its properties, the temperature should be controlled in a moderate range. In addition, it should be separated from oxidizing agents, reducing agents and other incompatible substances to prevent mutual reaction and cause danger.
As for transportation, suitable packaging materials are required. The packaging should be sturdy and can prevent collision and extrusion to ensure its integrity. And the packaging should be clearly marked with warning labels to make the transporter aware of its characteristics and risks. During transportation, pay attention to environmental conditions, maintain stable temperature and humidity, and avoid excessive bumps and vibrations. If the transportation vehicle passes through a high temperature area or the weather is extremely hot, cooling measures are required; in case of humid weather, there should also be moisture-proof methods. In this way, the safety of 2-amino-5-nitrobenzenesulfonic acid during storage and transportation will not be caused by accidents or poor quality due to improper operation.

2-Amino-5-Nitrobenzenesulphonic impact of Acid on the environment

2-Amino-5-nitrobenzenesulfonic acid, this substance has a serious impact on the environment. If it is released into the environment, the first one is the aquatic ecology. In rivers, lakes and seas, this compound may endanger aquatic organisms. Its toxicity or cause physiological disorders in fish, shellfish and other organisms, growth is hindered, and even death, destroying the balance of water ecology and causing a sharp decrease in biodiversity.
Furthermore, the soil is also damaged by it. If the waste containing this acid is dumped into the soil, or changes the chemical properties of the soil, it will affect the activity of soil microorganisms. Soil microorganisms are essential for the maintenance of soil fertility and material circulation. Damage to their activity will cause soil fertility to decline, affecting plant growth and crop yield.
And it is also a potential threat to the atmospheric environment. During the production or treatment of this substance, if it evaporates, it forms an aerosol, which can be inhaled by humans, or damage the respiratory system and cause respiratory diseases. And because of its certain chemical activity, it is in the atmosphere or participates in complex chemical reactions, which affects the chemical composition of the atmosphere and has adverse effects on air quality.
In summary, 2-amino-5-nitrobenzenesulfonic acid has potential hazards to water, soil and gas in the environment. It needs to be properly disposed of and strictly controlled to prevent it from causing major disasters to the ecological environment.