4-Amino Diphenylamine-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	904856
Chemical Formula	C12H12N2O3S
Molecular Weight	264.30
Appearance	reddish - brown crystalline powder
Solubility In Water	slightly soluble
Solubility In Organic Solvents	soluble in ethanol, slightly soluble in benzene
Melting Point	164 - 166 °C
Pka Value	about 1.8 (sulfonic acid group)
Color Reaction	gives color reactions with metal salts
Stability	stable under normal conditions, but may decompose on heating
Usage	used in the manufacture of dyes, as an indicator in analytical chemistry

Packing & Storage

Packing	25 - kg bag packaging for 4 - Amino Diphenylamine - 2 - Sulfonic Acid.
Storage	4 - Amino Diphenylamine - 2 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store in tightly closed containers to prevent moisture absorption. Avoid storing near incompatible substances to prevent chemical reactions. This helps maintain its stability and safety during storage.
Shipping	4 - Amino Diphenylamine - 2 - Sulfonic Acid is shipped in sealed, corrosion - resistant containers. These are carefully packaged to prevent spills and ensure safety during transportation, following strict chemical shipping regulations.

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General Information

Historical Development

The formation of 4-aminodiphenylamine-2-sulfonic acid has been known since ancient times. At the beginning, the chemical technology was not refined, and it was difficult to obtain this thing. At that time, scholars exhausted their heads and studied unremitting.
As the years went by, science and technology gradually improved. All kinds of instruments became more and more exquisite, and the principles of chemistry became clearer and clearer. On the way of experimentation, people repeatedly explored and improved the production method. Or adjust the temperature, or change the ratio of materials, through countless hardships.
And now, the production method is very good. Those who sought it in the past but couldn't get it can now be produced in batches. From ancient times to the present, in order to obtain this 4-aminodiphenylamine-2-sulfonic acid, scholars have worked tirelessly to achieve today's results, which is a brilliant stroke in the history of chemistry.

Product Overview

4-Aminodiphenylamine-2-sulfonic acid, one of the chemical products. Its shape or powder shape, color is often light gray or the like. This product has a specific chemical structure, containing amino groups, sulfonic acid groups and other functional groups. In industrial use, it is often the key raw material for dye synthesis. After a specific chemical reaction, it can be prepared with bright color and good fastness dyes, dyeing fabrics and other materials to add color and color. And in some analytical chemistry fields, it can also be used as an indicator to measure the chemical reaction process or material composition by means of its color change. The preparation method involves several steps of chemical synthesis and careful regulation of reaction conditions, such as temperature, pH, etc., to obtain products with suitable purity. This product is indispensable to the development of the chemical industry.

Physical & Chemical Properties

4-Aminodiphenylamine-2-sulfonic acid, this material property is unique. Its color may be light, and the shape is fixed. Easily soluble in some agents, the properties of water are different. Stability in heat, the experiment is detailed. Its chemical activity is lively, and the reaction is many strange. Can combine with other substances, new substances are born from this. The road of chemistry is wide, and scientific research is not light. In various fields, the effect shows its ability. Physical and chemical properties, exploring the endless period, only by unremitting intensive research can we understand its mysteries, which is the foundation of learning, and this is clearly proved.

Technical Specifications & Labeling

4-Aminodiphenylamine-2-sulfonic acid is an important product of the chemical industry. Its process specifications and identification (commodity parameters) are related to the quality and quality, and are also important to the industry.
The process specifications of this product, the selection of raw materials must be excellent, and the temperature, pressure and time of the reaction must be fixed. For example, when preparing, all materials are fed according to the ratio, the temperature is controlled to be appropriate, and the reaction is moderate, so as to ensure the purity of the product.
In terms of identification (commodity parameters), color, state, purity, and impurity content are all key. When the color is pure, the state should be uniform, the purity must be high, and there are few impurities. In this way, it is suitable for the market and is beneficial for work. Strictly abide by the process specifications, clear identification (commodity parameters), 4-aminodiphenylamine-2-sulfonic acid production, will be able to meet the world's demand, promote the prosperity of the industry.

Preparation Method

To prepare 4 - Amino Diphenylamine - 2 - Sulfonic Acid, the method is as follows: Prepare raw materials, take aniline, p-nitrochlorobenzene, etc. as binders. In the reactor, control the temperature, mix aniline and p-nitrochlorobenzene in an appropriate proportion, add a catalyst, and through condensation reaction, obtain an intermediate. Then, in a specific process, the intermediate is placed in a suitable environment, interacts with sulfonating reagents, and precisely controls the reaction steps. After sulfonation, the impurities are removed by separation and purification to obtain a pure product. During this period, the temperature, time, and dosage of each reaction need to be strictly regulated to ensure the quality and quantity of the product. In this process, the raw materials are coordinated with the production process, the reaction steps are interlocking, and there is a specific catalytic mechanism to obtain this product.

Chemical Reactions & Modifications

Husband 4 - Amino Diphenylamine - 2 - Sulfonic Acid is also a matter of transformation. Its transformation and inversion are of great importance to our researchers.
At first, in order to obtain this compound, it is often done by means of the method. However, the method may be difficult, and the inversion is harsh, and the rate is not good.
and, the researchers think about it, and seek ways to improve it. Explore different effects, and the degree and efficiency of the inversion. Fortunately, the new approach has made the inversion easier to control, and the rate has also increased.
This transformation and inversion, do not increase the cost of this thing, and clarify the principle. We, the researchers, are seeking further steps, hoping that the research of this product will assist the research of this product and be used by the world.

Synonyms & Product Names

4-Aminodiphenylamine-2-sulfonic acid is also a chemical substance. Its synonymous name is also explored by everyone. This substance also has the name of various commodities in the industry.
The books of Guanfu in the past, although they did not contain this thing in detail, are deduced from the way of chemistry today. Its synonymous name may be derived from the similarity of chemical structure and properties. The name of the product is set up by merchants for the purpose of distinction and promotion. In today's world, chemical refinement has deepened the understanding of 4-aminodiphenylamine-2-sulfonic acid, and its synonymous names and trade names are signs of chemical research and production, helping us understand its characteristics and uses, so as to make good use of it and seek well-being for the development of the world.

Safety & Operational Standards

Code for safety and operation of 4-aminodiphenylamine-2-sulfonic acid
4-aminodiphenylamine-2-sulfonic acid is also used in chemical research. Its safety and operation standards must not be ignored.
In the way of storage, it must be placed in a cool, dry and well ventilated place. Keep away from fire and heat sources to prevent accidents. If this substance is mixed with oxidants, it may react violently, so it must be stored in categories and must not be mixed.
When operating, the operator should wear suitable protective clothing, protective gloves and goggles to prevent contact injuries. Work in a well-ventilated environment. If there is dust rising, effective dust removal equipment should be prepared to avoid inhalation.
If it accidentally touches the skin, it should be rinsed with a large amount of flowing water as soon as possible; if it enters the eyes, it should also be rinsed with flowing water or normal saline immediately and seek medical attention as soon as possible. If it is accidentally inhaled, it should be moved to a fresh air place to maintain smooth breathing. If necessary, perform artificial respiration and seek medical attention.
Furthermore, when transporting, it should be properly packaged in accordance with relevant regulations to ensure that there is no risk of leakage. During transportation, load and unload with care to prevent impact and damage.
In short, in the research and use of 4-aminodiphenylamine-2-sulfonic acid, it is necessary to strictly abide by safety and operation standards in order to ensure the safety of personnel, avoid accidents, and make the research go smoothly.

Application Area

4-Aminodiphenylamine-2-sulfonic acid is also a chemical product. It has a wide range of uses. In the field of dyes, it can be used as an important raw material for dyeing fabrics, making them colorful and lasting. In analytical chemistry, it also has its place. It can be used as an indicator to accurately indicate the process of the reaction, determine its end point, and help the accuracy of the experiment. In terms of rubber additives, it can be added to the rubber to increase its performance, making the rubber tough and wear-resistant, and has good anti-aging performance. With its unique properties, this substance has developed its growth in many application fields, contributing to the progress of industry and the beauty of life. It is an important material in the chemical industry.

Research & Development

In modern times, chemistry has flourished, and all kinds of new substances have emerged one after another. 4 - Amino Diphenylamine - 2 - Sulfonic Acid This substance is the key to chemical research. We dedicate ourselves to studying its properties and preparation methods.
Initially, many attempts have been made, and after twists and turns, the preparation method has been obtained. In the reaction conditions, the temperature and reagent ratio are carefully considered, and it is difficult to make a good product if there is a slight difference.
During the research process, gain insight into its chemical properties, and record the reactions in different environments. Also consider the use of this substance, or it can be used for dyes to make the color more gorgeous; or it can be used for medicine to help heal.
Today, although some progress has been made, there is still a long way to go. In the future, we hope to optimize the production method, increase the yield, and expand the use. Make 4 - Amino Diphenylamine - 2 - Sulfonic Acid shine in more fields and contribute to the development of chemistry and the well-being of mankind.

Toxicity Research

Today, there is a substance called 4 - Amino Diphenylamine - 2 - Sulfonic Acid. I am a chemical researcher and study its toxicity. This substance is used in various fields of chemical industry and has a wide range of uses. However, the study of toxicity is crucial.
After many experiments, it may be potentially harmful to organisms. Enter the animal body, or disturb the order of physiology. Observing its cellular response, abnormal changes can be seen, or cause cell damage and metabolic disorders.
Although the current data are incomplete, signs of toxicity have emerged. In the future, rigorous methods should be used to collect data to deeply explore its effects on various organisms in different environments and doses. Only by understanding its toxic mechanism can we seek safety measures for the world when using this substance, avoid the risk of harm, and protect the ecological and human safety.

Future Prospects

I have tried to study chemical products, and now I am thinking about the future of this product 4 - Amino Diphenylamine - 2 - Sulfonic Acid. On the road of chemical industry, science and technology are changing day by day. This product may be able to show its brilliant color in the field of dyes, making the color of the dye fresh and lasting. In the genus of analytical reagents, it may help researchers to accurately understand and solve the secrets of substances. Or in the way of medicine, it paves the stone for the way of health. Its properties may be improved, its efficacy is increasing, and it is widely used. Although the road ahead is uncertain, I hope it will shine in the future, be used by the world, benefit the country and the people, and open a new chapter in chemical industry.

Frequently Asked Questions

What are the main uses of 4-aminodiphenylamine-2-sulfonic acid?

4-Hydroxybenzophenone-2-sulfonic acid, this substance is used in various fields such as printing and dyeing, medicine, etc.
The way of printing and dyeing, it can be used as a high-efficiency light stabilizer. When the fabric is dyed, this agent is added, which can efficiently absorb and dissipate ultraviolet energy with its special molecular structure, so that the fabric is protected from ultraviolet rays and fading and aging. The color is bright and bright, and the texture is as tough as ever, which greatly extends the service life of the fabric. When printing and dyeing delicate fabrics such as silk and cotton, it can be significantly effective when added in an appropriate amount.
It is also useful in the road of medicine. In some drug synthesis, it can be used as a key intermediate. With its unique chemical properties, it helps to build complex drug molecular structures, and then develop new drugs with specific curative effects. For example, in the development of sunscreen drugs, this substance can be used as a basic ingredient, and after reasonable modification and combination, sunscreen drugs with excellent protective properties can be obtained, adding a sharp weapon to resist ultraviolet damage to the skin.
In addition, in the cosmetics industry, it can be used as a sunscreen component. Because it can effectively resist ultraviolet rays, protect the skin from sunburn and tanning, and reduce the risk of skin cancer, it is widely used in many sunscreen, barrier cream and other products, becoming an important ingredient to protect skin health.
In summary, 4-hydroxybenzophenone-2-sulfonic acid plays an indispensable role in many fields such as industry, medicine and cosmetics, and is of great significance in promoting the development of various industries and improving product quality and efficacy.

What are the physical properties of 4-aminodiphenylamine-2-sulfonic acid?

4-Hydroxybenzophenone-2-sulfonic acid is an organic compound with unique physical properties and is widely used in many fields.
Looking at its appearance, it is mostly white to light yellow crystalline powder under normal conditions. This form is easy to store and transport, and it is also easy to disperse and mix in subsequent processing.
In terms of solubility, 4-hydroxybenzophenone-2-sulfonic acid has a certain water solubility. Due to the presence of a sulfonic acid group in its molecular structure, the group is hydrophilic, which promotes the compound to be soluble in water to a certain extent. However, its solubility is not very high, and it is obviously affected by temperature. When the temperature increases, the solubility tends to increase. Moderate stirring can also accelerate its dissolution rate. In organic solvents, it has good solubility in some polar organic solvents, such as ethanol, acetone, etc. This property makes it soluble in organic solvents in the preparation of coatings, inks, etc., and uniformly dispersed in the system.
Melting point is also an important physical property. The melting point of 4-hydroxybenzophenone-2-sulfonic acid is relatively high, which indicates that its intermolecular force is strong and its structure is relatively stable. The high melting point makes it able to maintain a solid state at room temperature and under general processing conditions, which is conducive to long-term storage and specific process operations. When the temperature rises above the melting point, the compound will change from a solid state to a liquid state. At this time, it can be subjected to special processing such as molding and casting.
4-Hydroxybenzophenone-2-sulfonic acid also has hygroscopicity. Because the sulfonic acid group is easy to interact with water molecules, it will absorb moisture in the air in a high humidity environment. Hygroscopicity requires its storage conditions, and it needs to be stored in a dry environment to prevent agglomeration and deterioration due to moisture absorption, which will affect the performance of use.

Is the chemical properties of 4-aminodiphenylamine-2-sulfonic acid stable?

4-Hydroxybenzophenone-2-sulfonic acid, its chemical properties are stable? This is also related to the characteristics of chemical substances.
4-Hydroxybenzophenone-2-sulfonic acid has unique chemical properties. It is still stable under normal conditions. Because of its molecular structure, the benzene ring system gives it a certain stability. The benzene ring conjugate system can disperse the electron cloud, reduce the molecular energy, and is not easily disturbed by external factors.
However, the stability is not absolute. In case of a specific chemical environment, its properties may change. In case of strong oxidizing agent, due to the hydroxyl group in the molecule, the hydroxyl group has a certain degree of reduction, or can be oxidized, causing the molecular structure to change, and the chemical properties will also change. And if it is in a strong acid and strong base environment, the sulfonic acid group or hydroxyl group may react with the acid base. Sulfonic acid is basically acidic. In a strong base, the hydrogen of the sulfonic acid group can be replaced by alkali metal ions to form corresponding salt compounds; and the hydroxyl group may undergo reactions such as protonation under the action of strong acid, thus affecting the chemical activity and stability of the whole molecule.
In addition, physical factors such as temperature and light will also affect its stability. Under high temperature, the thermal motion of the molecule intensifies, or the vibration of the chemical bond intensifies. When it reaches a certain extent, the chemical bond may break, causing the chemical properties to change. Under lighting conditions, if the light energy is absorbed by the molecule, it may also destroy the original stability of the molecule.
Therefore, the chemical properties of 4-hydroxybenzophenone-2-sulfonic acid can be said to be stable in conventional environments. However, under special chemical and physical conditions, its stability depends on the specific situation, and cannot be generalized to absolute stability.

What is the production process of 4-aminodiphenylamine-2-sulfonic acid?

The production process of 4-hydroxybenzophenone-2-sulfonic acid is quite delicate. The method is as follows:
First take an appropriate amount of starting material, which needs to be carefully screened to ensure high quality and few impurities. Then it is placed in a special reactor, which is made of excellent material and can withstand the temperature and pressure required for the reaction. A specific catalyst is added to the kettle, which is the key to the reaction, which can significantly speed up the reaction process and increase the rate of product formation.
Subsequently, the reaction temperature and pressure are precisely adjusted. The temperature needs to be maintained in a specific range. If it is too low, the reaction will be slow, and if it is too high, side reactions may breed and affect the purity of the product. The pressure also needs to be appropriate, so that the reaction system is in the best physical state. Under the appropriate temperature and pressure, the reactants interact, and the molecules undergo wonderful recombination and transformation.
During the reaction process, the reaction process needs to be closely monitored. With the help of advanced analytical instruments, the content changes of each component in the reaction system can be detected in real time. When the reaction is carried out to a predetermined level, the reaction is stopped. At this time, the product has taken shape, but it still contains impurities and needs to be further purified.
Move the reaction product to a separation device, and use delicate separation techniques, such as extraction, filtration, distillation, etc., to remove impurities. During extraction, a specific extractant is selected, which has a strong affinity for impurities and has little effect on the target product. Filtration uses filter materials with suitable pore sizes to precisely intercept solid impurities. During distillation, the product and impurities are separated according to the difference in boiling point of each component.
After this series of complicated and fine processes, high-purity 4-hydroxybenzophenone-2-sulfonic acid can be obtained. Its high quality can meet the strict needs of many fields. The whole production process is like a delicate dance in the microscopic world. All links are closely linked, and none of them are indispensable to obtain this excellent product.

What are the precautions for 4-aminodiphenylamine-2-sulfonic acid in storage and transportation?

4-Hydroxybenzophenone-2-sulfonic acid, when storing and transporting, there are many points to pay attention to.
Its nature or more active, when storing, the first choice of environment. It should be placed in a cool, dry and well-ventilated place, protected from direct sunlight, by the heat and energy of sunlight, or cause it to undergo chemical changes and damage its quality. And it needs to be kept away from fires and heat sources to prevent accidental explosion. Because if it is heated, it may cause unstable reactions.
Furthermore, the storage place should be separated from oxidants, acids, bases, etc., and must not be mixed. This is due to the chemical structure of the substance, or chemical reactions with the above types, resulting in changes in composition and loss of its original characteristics.
During transportation, the packaging must be tight and stable. Choose suitable packaging materials to withstand certain external shocks and environmental changes. And during transportation, the driving should be stable to avoid bumps and vibrations too much to prevent package damage and material leakage.
Escort people also need to be familiar with its characteristics and emergency treatment methods. In case of leakage, etc., it can be properly disposed of quickly to avoid greater harm. Transportation vehicles should also be clean, with no residual other chemicals, to avoid cross-contamination. And drive according to the designated route to avoid densely populated and environmentally sensitive areas. In case of an accident, the damage can be minimized. Therefore, Fangbao 4-hydroxybenzophenone-2-sulfonic acid is safe during storage and transportation.