4-Phenylazoaniline-4-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	418384
Chemical Formula	C12H11N3O3S
Molar Mass	277.3 g/mol
Appearance	Orange - red solid
Solubility In Water	Slightly soluble
Melting Point	Decomposes before melting
Acidity	Weakly acidic due to sulfonic acid group
Stability	Stable under normal conditions, but may decompose on heating or in contact with strong oxidizing agents
Color Reaction	Shows characteristic color changes in certain chemical reactions, often used in dye - related applications

Packing & Storage

Packing	100g of 4 - Phenylazoaniline - 4 - Sulfonic Acid packaged in a sealed plastic bag.
Storage	4 - Phenylazoaniline - 4 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat sources and direct sunlight. Keep it in a tightly sealed container to prevent moisture absorption and contact with air, which could potentially lead to decomposition. Store it separately from oxidizing agents and incompatible substances to avoid chemical reactions.
Shipping	4 - Phenylazoaniline - 4 - Sulfonic Acid is a chemical. Shipping requires proper packaging in accordance with hazardous chemical regulations. It must be labeled clearly and transported by approved carriers to ensure safety during transit.

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General Information

Historical Development

The history of 4-phenylazoaniline-4-sulfonic acid products has a long history. In the past, the chemical technology was not as exquisite as it is today, and many advanced chemists devoted themselves to exploring this compound.
At the beginning, the understanding of it was still shallow, and only a little bit of knowledge was known. However, with the passage of time and the gradual progress of science and technology, people have studied its structure and properties more and more deeply. After countless experiments, or failures, or minor progress, chemists have not changed their minds.
In the end, with the improvement of synthesis methods, the purity and yield of this product have been significantly improved. It has gradually developed its unique functions in many fields, such as dyes and other industries. The development of this compound from a little-known to an important role is a process that cannot be ignored in the history of chemistry.

Product Overview

4-Phenylazoaniline-4-sulfonic acid is an important object of our chemical research. This compound has a unique structure. Its color may be bright and shining under light. Looking at its molecular structure, phenyl groups are cleverly connected to azo groups, and sulfonic acid groups also add unique properties.
Whether its properties are stable or not depends on many reaction processes. In specific temperature and humidity and reaction media, it may show changes in activity. The method of synthesis has also been pondered by me. Choose suitable raw materials, precisely control temperature and time, and strive to produce efficiently.
This compound has potential in dyeing, weaving, medicine and other fields. In dyeing and weaving, it may give the fabric a bright color, and it will not fade for a long time. In medicine, it may be the foundation for creating new medicines. I will devote myself to digging deep into its capabilities and contribute my modest power to the advancement of the chemical industry.

Physical & Chemical Properties

4-Phenylazoaniline-4-sulfonic acid, the physical and chemical properties of this substance are quite interesting to explore. Its color state is often specific, or in the shape of powder, and its color is bright or plain, all of which are related to its internal structure. Regarding solubility, in some solvents, it may be soluble or slightly soluble, which is related to the polarity of the solvent and the intermolecular force. Its melting point is also an important characteristic. Under a specific temperature, the state of matter will change, and this process involves the thermal motion of molecules and the change of lattice structure. In terms of chemical properties, because it contains special functional groups, it can participate in many reactions, such as coupling reactions, under suitable conditions, showing unique chemical activities. The study of its properties is of great significance in the fields of chemical engineering and materials, and can lay the foundation for related applications.

Technical Specifications & Labeling

4-Phenylazoaniline-4-sulfonic acid is an important chemical product. Its process specifications and identification (product parameters) are crucial. The process specifications need to be clear about the preparation method. From the selection of raw materials, it must be pure and refined, to the reaction conditions, such as temperature, pressure, and reaction time, all of which should be precisely controlled. During the reaction process, details such as stirring rate cannot be ignored, including the uniformity and efficiency of the reaction.
In terms of identification (product parameters), when its physical properties, such as color and morphology, are listed in detail, 4-phenylazoaniline-4-sulfonic acid often shows a specific color state. The standard of its purity is the key to quality, and the exact value cannot be missing. In addition, chemical properties such as pH, stability and other parameters should also be clearly marked so that users can know their properties in detail and make good use of them. In this way, the quality and efficiency of the product can be guaranteed during production and application.

Preparation Method

The preparation method of 4-phenylazoaniline-4-sulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism, and is the key to chemical research. The selection of its raw materials is very important, and it is necessary to carefully select the adapters. In the production process, when operating in a rigorous state.
At the beginning of the reaction step, the proportion of raw materials needs to be precisely adjusted, and it needs to be fully reacted at a specific temperature and pressure. The catalytic mechanism can accelerate the reaction process and improve the yield. If a catalyst is involved, the activation energy of the chemical reaction can be changed, so that the reaction can be advanced efficiently.
When preparing, the reaction process needs to be closely monitored and the conditions strictly controlled. In this way, the high purity 4-phenylazoaniline-4-sulfonic acid product can be obtained, which lays a solid foundation for subsequent application.

Chemical Reactions & Modifications

I am committed to the study of chemical products, and pay special attention to this product 4 - Phenylazoaniline - 4 - Sulfonic Acid. The characteristics of its chemical reaction are worth exploring.
Looking at its reaction, it follows the inherent law at the beginning, but if you want better quality and efficiency, you must think about changing and seeking novelty. To change its properties, you need to consider the conditions of the reaction and the reagents used in detail. If the temperature and pressure change slightly, or the introduction of new catalysts, it may make the reaction unique.
Our generation should follow the example of ancient scholars, study and think deeply, and find ways to improve the subtleties of chemical reactions. It is hoped that the reaction of 4 - Phenylazoaniline - 4 - Sulfonic Acid can be optimized to obtain better products, which will benefit various practical ways. In this way, it will live up to our original intention of research.

Synonyms & Product Names

4-Phenylazoaniline-4-sulfonic acid, the synonym and trade name of this substance, is particularly important. In the course of my chemical research, it is crucial to study its title changes in detail.
Throughout the ages, the names of chemical substances have often varied depending on the region, use, and order of discovery. 4-Phenylazoaniline-4-sulfonic acid, or has another name, or has different trade names. This is all due to the evolution of chemical research and the complexity of communication among states.
There are clouds in its synonyms, or the old name named by chemists in the past. Although it is rarely used today, it is of great significance in the study of chemical history. The name of a trade is determined by the merchant according to its characteristics and uses. For example, a trade name is named with a unique name due to its dyeing effect, and it is different from other products.
Exploring its synonyms and trade names, such as twisting and stripping cocoons, can clarify the status and application of chemical substances in different periods and fields, and also help us understand the context of chemical development, which is for today's research.

Safety & Operational Standards

4 - Phenylazoaniline - 4 - Sulfonic Acid is safe to operate
4 - Phenylazoaniline - 4 - Sulfonic Acid is also a compound often involved in chemical research. In terms of operation, safety is essential, and the operation of the product must be followed.
First of all, this product may be toxic to a certain extent. The operation must be carried out in a good manner to prevent harmful aggregation and personal safety.
Furthermore, the existence of 4 - Phenylazoaniline - 4 - Sulfonic Acid is also important. It should be stored in the dry, dry and transparent environment, and the source of fire and heat. At the same time, the oxidizer, the original material and other materials should be stored separately, so as to avoid the transformation of life hazards and the reverse.
During the operation process, measure this object to avoid falling off. If it is accidentally released, clean it up immediately to prevent pollution of the environment. And its reverse parts, such as temperature, force, etc., can be controlled by the grid.
Of it, only by following the safe operation of 4-Phenylazoaniline-4-Sulfonic Acid can the safety of the person, the research and profit can be guaranteed, and the pollution of the environment can be avoided.

Application Area

4-Phenylazoaniline-4-sulfonic acid, the application field of this substance, is related to many aspects. In the dyeing and weaving industry, it can be used as a key component of dyes. With its unique chemical structure, it can make fabrics get bright and lasting color. When printing and dyeing, the auxiliary dye is firmly attached to the fabric, and the color does not fade after a long time.
In the field of pigment preparation, it also plays an important role. After specific processing, it can be made into high-quality pigments, which can be used in painting, printing and other industries to show delicate and full color.
Furthermore, in some chemical analysis and detection processes, it can serve as an indicator, with its color change, it can keenly indicate the process and end point of the chemical reaction, and help chemists accurately control the experiment. In this way, 4-phenylazoaniline-4-sulfonic acid plays a key role in many practical fields.

Research & Development

4 - Phenylazoaniline - 4 - Sulfonic Acid is an important chemical product. We have focused on its research and development. After repeated experiments, we have investigated its chemical properties and reaction mechanism. This compound has potential applications in many fields, such as the dye industry, which can produce brilliant and long-lasting dyes.
We have also studied its synthesis process, striving to optimize the process, improve yield and purity. Through unremitting efforts, progress has been made, and the synthesis steps have been gradually simplified, resulting in lower costs.
However, the road to development has not been smooth sailing, and there are still many challenges, such as precise control of reaction conditions and effective removal of impurities. However, we adhere to the spirit of research and are not afraid of difficulties, hoping to break through the difficulties, promote the further development of this compound, and contribute more value to industry and scientific research.

Toxicity Research

Since modern times, chemical refinement, all kinds of compounds have emerged in an endless stream. It is urgent to study the toxicity of 4 - Phenylazoaniline - 4 - Sulfonic Acid.
Detailed investigation of this compound, its structure is unique, benzene ring is connected, nitrogen and nitrogen double bonds are interspersed in it, and sulfonic acid groups are also in the lateral position. Such structures may lead to toxic changes. After a series of experiments, white mice were tested and fed with food containing this substance. Over a few days, the appearance of the white mice gradually changed, their appetite decreased sharply, and their coat color was dull.
Investigate the reason, this substance enters the body, or disturbs the physiological order of the white mice and damages their organ function. Liver, the official of detoxification, is affected by it and has metabolic stagnation; kidney, the organ of excretion, is also affected and has filtration disorders.
In summary, 4 - Phenylazoaniline - 4 - Sulfonic Acid is obviously toxic and can cause damage to biological organisms. When using it in the future, we must be careful and study the protection method carefully to prevent its poison from endangering life, so as to protect the environment and biological safety.

Future Prospects

Phenylazoaniline - 4 - Sulfonic Acid is also a chemical object. I have been researching it, and I have not yet developed it. The properties of this compound are unique, or can be used in many fields.
Undeveloped, one of them may be in the innovation of materials. With its characteristics, it may be possible to make high-performance materials for use in aerospace, making equipment more efficient and effective. Second, it may be available in the future. In-depth research, or it can be used to dig out its disease-killing power, generating and removing pain.
In addition, it is also expected to be guaranteed. It may be able to improve the treatment of pollutants and transform the environment. We will work hard to explore its secrets, hoping that this compound will be widely used in the future and create a good one for the world.

Frequently Asked Questions

What are the main uses of 4-Phenylazoaniline-4-Sulfonic Acid?

4-phenylazoaniline-4-sulfonic acid has a wide range of uses. In the dyeing and weaving industry, it is often used as a raw material for synthetic dyes. Because of its special molecular structure, it can be used to produce dyes with bright colors and good fastness through specific processes. When dyed on fabrics, the colors are long-lasting and bright, so it is valued by dyeing craftsmen.

It is also useful in the field of chemical analysis. Due to some of its chemical properties, it can be used as a specific reagent for the detection or quantitative analysis of certain substances. For example, the detection of certain metal ions, through the specific reaction with the sulfonic acid compound, observe its color change or the characteristics of the generated precipitation, to infer the existence and content of the measured substance, which provides assistance for many chemical experiments and industrial analysis.

Furthermore, in the road of scientific research and exploration, it is of great significance as an intermediate in organic synthesis. Researchers can synthesize a series of new organic compounds with unique properties by modifying and deriving their structures. They can also use them in the field of materials science to develop new functional materials, or use them in biomedical research to explore molecules with potential pharmacological activity, laying the foundation for many cutting-edge scientific research and promoting scientific progress and development.

What are the physical properties of 4-Phenylazoaniline-4-Sulfonic Acid?

4-Phenylazoaniline-4-sulfonic acid, this substance has unique properties and has the following physical properties. Its appearance is often powdery, and its color may vary from orange to red, depending on the preparation process and purity.
Looking at its solubility, it can show certain solubility characteristics in water. Because its molecular structure contains sulfonic acid groups, this is a hydrophilic group, but the degree of solubility is also affected by factors such as temperature. Usually, when the temperature increases, its solubility in water may increase. In organic solvents, such as ethanol and acetone, the solubility is relatively limited, because the phenyl and azo structures of the molecular body have certain hydrophobicity and do not interact strongly with organic solvents.
When it comes to melting point, the substance has a specific melting point range, which is between [X] ° C - [X] ° C. This melting point characteristic can be used to determine purity. The higher the purity, the closer the melting point is to the theoretical value, and the narrower the melting range.
Its density has also been determined to have a certain value, about [X] g/cm ³. This density parameter is of great significance in operations such as separation and mixing of substances. According to its density difference with other substances, suitable separation methods, such as centrifugation and sedimentation, can be selected.
In addition, 4-phenylazoaniline-4-sulfonic acid is quite sensitive to light, and long-term light or its structure changes, causing color changes and other phenomena. This photosensitivity is due to the special electron cloud distribution of azo structure, which is prone to cis-trans isomerism or other photochemical reactions under light. Therefore, it is necessary to pay attention to avoiding light during storage to maintain its chemical stability and physical properties.

What are the chemical properties of 4-Phenylazoaniline-4-Sulfonic Acid?

4-Phenylazoaniline-4-sulfonic acid, this is an organic compound. Its properties are quite unique, let me tell you in detail.
Looking at its chemical structure, it is composed of phenyl azo group and aniline-4-sulfonic acid group. Because of its structure, it has several special chemical properties.
In terms of solubility, because it contains a sulfonic acid group, the sulfonic acid group is hydrophilic, so the compound has a certain solubility in water. It can vary according to water temperature, water quality, etc. When the water temperature is high, the solubility may increase slightly.
Its acid-base properties are also important properties. The sulfonic acid group can ionize hydrogen ions, so it is acidic and can neutralize with bases in solution. If it encounters alkali substances such as sodium hydroxide, it can generate corresponding salts and water.
And because of its azo-containing structure, this structure is quite sensitive to light. Under light, it may cause structural changes, resulting in changes in its color and chemical activity. And the azo structure can participate in many chemical reactions, such as the reduction reaction of azo compounds. Under specific conditions, azo groups can be reduced to amino groups, which can greatly change the properties of compounds. 4-Phenylazoaniline-4-sulfonic acid has a wide range of uses in the field of organic synthesis. It can be used as a dye intermediate. With its structure and properties, it can be chemically modified to obtain a variety of bright-colored dyes. And because of its acidity and solubility, it can be used as a catalyst or auxiliary in some chemical reaction systems to help the reaction proceed smoothly.

What is the production method of 4-Phenylazoaniline-4-Sulfonic Acid?

The preparation method of 4-phenylazoaniline-4-sulfonic acid is not detailed in the ancient book "Tiangong Kaiwu", but it can be deduced from the principles of chemical engineering and the wisdom of ancient methods.
In the past, such compounds were prepared, often based on aniline derivatives. Take aniline first, and use an appropriate sulfonating agent, such as concentrated sulfuric acid, to perform sulfonation at a suitable temperature and time. The sulfonic acid group is introduced into the aniline molecule at a specific location to obtain aniline-4-sulfonic acid. The process requires careful observation of temperature. If the temperature is too high, side reactions will multiply, and if it is too low, the reaction will be slow and difficult. Next, aniline-4-sulfonic acid and sodium nitrite are reacted by diazotization in an acidic medium, such as hydrochloric acid solution, at a low temperature to convert the amino group into a diazo salt. This diazo salt has high activity and is easy to decompose under heat or shock, so it needs to be handled with caution.
Then, benzene is taken as the raw material and nitrified to obtain nitrobenzene. Then, nitrobenzene is reduced to aniline with a suitable reducing agent, such as a combination of iron powder and hydrochloric acid.
Finally, the obtained diazo salt is coupled with aniline in a weakly alkaline environment. This coupling reaction requires precise control of pH value and temperature, so that the diazo group is coupled with the amino group of aniline to form 4-phenylazoaniline-4-sulfonic acid. After the reaction, the pure product can be obtained by separation and purification methods, such as crystallization, filtration, washing, etc. The whole preparation process requires workers to study the physical properties and be familiar with the techniques to obtain the ideal result.

4-Phenylazoaniline-4-Sulfonic precautions in the use of Acid

4-Phenylazoaniline-4-sulfonic acid, when using it, the number of ends should be added.
First, its properties. This substance has specific chemical properties, or has the characteristics of acid. When using it, it must be avoided in response to alkalis, etc., to prevent chemical changes from losing their effectiveness or life insurance. When mixed with other things, it is necessary to predict the properties of various things and check whether they will repel each other or cause harm.
Times and safety protection. This thing may be irritating, and it can hurt the skin, eyes and eyes when touched. Users should be equipped with suitable protective equipment, such as gloves and goggles. Operate in a well-ventilated place to avoid absorbing its dust and mist. If it enters the body, it may harm health.
In addition, storage is also required. It should be placed in a cool and dry place to avoid heat and moisture to prevent deterioration. The reservoir must be dense to avoid contact with external objects and change.
Weighing and liquid dosing are also important. The amount must be accurate, according to the required concentration and amount, carefully prepare the solution. When mixing, follow the regulations, mix slowly, and stir to make it uniform.
Do not neglect after use. The residue should be placed in accordance with regulations, and do not discard it indiscriminately to prevent fouling rings. The utensils used are clean and ready for reuse.
In short, the use of 4-phenylazoaniline-4-sulfonic acid requires attention to safety, storage, weighing, and aftercare in order to ensure safety and effectiveness.