4-Aminotoluene-3-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	766600
Chemical Formula	C7H9NO3S
Molar Mass	187.22 g/mol
Appearance	White to off - white crystalline powder
Solubility In Water	Soluble in water
Ph Aqueous Solution	Acidic
Melting Point	124 - 126 °C
Boiling Point	Decomposes before boiling
Stability	Stable under normal conditions, but may react with strong oxidizing agents

Packing & Storage

Packing	25 - kg bags for packaging 4 - Aminotoluene - 3 - Sulphonic Acid.
Storage	4 - Aminotoluene - 3 - Sulphonic Acid should be stored in a cool, dry, and well - ventilated area, away from sources of heat and ignition. Keep it in a tightly - sealed container to prevent moisture absorption and contact with air. Store separately from incompatible substances like strong oxidizing agents. This helps maintain its quality and prevent potential chemical reactions or degradation.
Shipping	4 - Aminotoluene - 3 - Sulphonic Acid is shipped in well - sealed containers to prevent leakage. Hazmat protocols are followed. Transport must be compliant with regulations for handling of chemical substances to ensure safety during transit.

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General Information

Historical Development

4-Aminotoluene-3-sulfonic acid has a considerable development process throughout the ages. At the beginning, people occasionally found traces of this compound on the road of chemical exploration. At that time, the understanding of it was still shallow, and only a little bit of its characteristics were known.
Then the years passed, and many talented people devoted themselves to research. With the improvement of experiments and technological evolution, the understanding of 4-aminotoluene-3-sulfonic acid has become more and more profound. Know that it has extraordinary potential in dyes, medicine and other fields.
To this day, with the experience accumulated by countless predecessors and the help of contemporary technology, the production process of this compound has become more mature and its application has become more extensive. Its development process is like a magnificent chemical epic, witnessing the resolute pace of human pursuit of knowledge and exploration.

Product Overview

4-Aminotoluene-3-sulfonic acid This compound has the shape of a crystal. It is white and pure in color, has a specific melting point, and has a stable temperature when melting.
This compound has a wide range of uses in the field of organic synthesis. In the production of dyes, it can be an important intermediate, giving dyes a bright color and firmness. In its structure, the position of the amino group and the sulfonic acid group affects its chemical properties and reaction ability.
Synthesis method, through a specific reaction path. With suitable raw materials, follow rigorous steps to control the reaction conditions, such as temperature and pH, to obtain this substance. However, when preparing, it is also necessary to pay attention to safety rules to prevent the growth of harmful substances and maintain the cleanliness of the environment.

Physical & Chemical Properties

4-Aminotoluene-3-sulfonic acid, with unique properties. Its shape, often crystalline, white or nearly white, pure and translucent.
On its physical and chemical properties, the melt is about a specific temperature, this temperature also marks the change of its physical state. In water, it has a certain solubility, depending on the water temperature and other conditions.
Its chemical properties are also active, containing amino groups and sulfonic acid groups, both of which can react with various substances. In case of alkali, amino group or sulfonic acid group and the sum, into a new compound. Because of its properties, it is more useful in dyeing and pharmaceutical industries. In the dyeing industry, it is an essential material for making dyes, with strong color-giving power and strong color. In the pharmaceutical industry, synthetic pharmaceuticals are used to help health. Looking at this substance, it has unique physical and chemical properties and has a wide range of uses.

Technical Specifications & Labeling

4-Aminotoluene-3-sulfonic acid is also a chemical product. Its technical specifications and identification (product parameters) are related to the quality and application of this product.
Viewing its properties, the one with pure color and uniform quality is better. If the color is heterogeneous, quality or impure, it will be used later. Its content is also the key, and the higher one has better utility.
In the logo, the name must be identified and cannot be confused. Detailed product parameters, such as melting point, solubility, etc., are all evidence for identification. Users can judge its quality according to this specification and logo, and choose and use it to get good results. In this way, in industry and scientific research, it can go smoothly and avoid mistakes.

Preparation Method

"Preparation Method of 4-Aminotoluene-3-Sulfonic Acid"
To make 4-aminotoluene-3-sulfonic acid, the raw materials and production process are very critical. Toluenesulfonic acid is used as the initial raw material, and nitro groups can be introduced through nitration reaction. This step requires precise control of the reaction conditions, such as temperature, reaction time and ratio of reactants. The reaction temperature should be maintained in a moderate range. If it is too high, side reactions will occur frequently, and if it is too low, the reaction will be delayed.
Then a reduction step is carried out to convert the nitro group into an amino group. A suitable reducing agent can be selected, such as the combination of iron powder and hydrochloric acid. The reduction process also requires attention to the reaction conditions to ensure that the reaction is complete and the product is pure
Furthermore, the separation and purification links in the production process are indispensable. By means of crystallization and filtration, impurities are removed to obtain high-purity 4-aminotoluene-3-sulfonic acid. During the whole preparation process, the reaction steps and catalytic mechanisms are interrelated, and each link is finely regulated to produce high-quality products efficiently.

Chemical Reactions & Modifications

In the field of chemistry, its chemical reaction and modification are very important.
The reaction of this compound may involve electrophilic substitution, because its structure contains an electron-rich aromatic ring, which can attract the attack of electrophilic reagents. And its amino group and sulfonic acid group have unique reactivity. The amino group can participate in the reactions of acylation and alkylation, while the sulfonic acid group can be changed into salt and dehydration.
As for the modification, or add a substituent to adjust its physical and chemical properties. Such as increasing its solubility, stability, or changing its reactivity. This move can expand its application in medicine, dyes, materials and other industries.
Chemists often study the reaction mechanism and modification of this substance, hoping to improve its properties, expand its uses, and develop their talents in various fields, making it available to the world.

Synonyms & Product Names

4-Aminotoluene-3-sulfonic acid, the synonym and trade name of this substance, are all studied in detail by our generation. Its synonyms, or according to its chemical structure and characteristics, such as a name named after the main part of its molecular composition, or because of the situation of past discovery and research. As for the trade name, merchants enter the market for it, or take the name of easy to remember and highlight the characteristics, hoping to win people's attention in the city.
Fu 4-aminotoluene-3-sulfonic acid, in the field of chemistry, scientific researchers use it as a research material, or explore its reaction mechanism, or seek new synthesis methods. And the industrial world, because of its unique nature, is also used in dyes, medicine and other industries. The clarity of its synonyms and trade names is of great benefit to the academic and industrial circles, which can make communication unimpeded and research and production proceed in an orderly manner. Therefore, it is necessary to study these two in detail.

Safety & Operational Standards

Safety and Operation Specifications for 4-Aminotoluene-3-Sulfonic Acid
4-Aminotoluene-3-Sulfonic Acid is a common compound in the chemical industry. To investigate its safety and operation specifications, it should be handled with caution and rigor.
In storage regulations, it is necessary to choose a cool, dry and well-ventilated place. Keep away from fires and heat sources to avoid the risk of accidents. This compound should be stored separately from oxidants, acids, bases and other substances, and must not be mixed to prevent interaction and danger. The storage place must also have suitable materials to contain leaks for emergencies.
When operating, the operator must undergo professional training and be familiar with the operation procedures. Ensure smooth ventilation in the operation room to disperse possible harmful gases. Wear protective clothing, protective gloves and goggles, which are all necessary for your own safety. When taking it, handle it with care to avoid material leakage caused by damage to the container.
If a leak unfortunately occurs, the first thing to do is to quickly evacuate the personnel from the contaminated area to a safe area and isolate them, strictly restricting access. Emergency personnel need to 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 or a pit should be built to contain it, and it should be transferred to a tanker or a special collector by pump, recycled or transported to a waste treatment site for disposal.
In short, the safety and operating standards of 4-aminotoluene-3-sulfonic acid are related to personal safety and production stability, and cannot be ignored or disobeyed. Practitioners should keep it in mind and practice it to ensure that everything goes smoothly and there is no disaster.

Application Area

4-Aminotoluene-3-sulfonic acid has a wide range of uses. In the field of printing and dyeing, it can be used as a dye intermediate. Based on this, it can produce colorful dyes, dye fabrics with bright color and good fastness. In the pharmaceutical industry, it also has its uses. Or it is a key raw material for the synthesis of specific drugs, helping medicine to overcome difficult diseases. In the field of chemical synthesis, it provides the cornerstone for the synthesis of many fine chemicals. It can participate in the construction of complex organic compounds and expand the variety of chemical products. It has a wide range of uses and plays a pivotal role in many fields, promoting the progress and development of related industries.

Research & Development

4-Aminotoluene-3-sulfonic acid is an important object of chemical research. We are committed to the research and development of this substance, and hope to gain insight into its many properties and applications through unremitting research.
In the initial stage, we focused on exploring its chemical structure, analyzing its molecular composition and clarifying the mystery of atomic arrangement with fine instruments and methods.
Then, in-depth study of its physical and chemical properties, such as solubility and stability, laid the foundation for subsequent applications.
At the application level, explore its potential uses in dyes, medicine and other fields. In the dye industry, we hope to develop new dyes with bright colors and durability due to their unique properties. In the field of medicine, we explore the possibility of using them as drug intermediates to assist in the development of new drugs.
In the research process, we also pay attention to optimizing the synthesis process, improving yield, reducing costs, and striving to achieve the goal of industrial production.
We uphold a rigorous scientific attitude and are committed to promoting the research and development of 4-aminotoluene-3-sulfonic acid, and contributing to the progress of the chemical field.

Toxicity Research

Nowadays, there is a chemical substance 4 - Aminotoluene - 3 - Sulphonic Acid. As a chemical researcher, I am focusing on its toxicity research. This substance is widely used in many fields of industry, but its potential toxicity cannot be ignored.
After repeated experimental investigations, a variety of experimental organisms were used as objects to observe their effects on this substance. The changes in cell morphology and physiological functions were observed, and the interference with key enzyme activities in organisms was also detected.
At the beginning of the study, many phenomena showed that this substance may have certain toxicity. The growth rate of organisms is slow, some cell structures are damaged, and enzyme activities are disordered. However, the toxicity is closely related to the dose and duration of exposure. Short-term exposure to low doses has a slightly weaker effect; long-term exposure to multiple doses increases the damage sharply.
Our chemical researchers must study carefully and analyze the data in detail to clarify the toxic nature of 4-Aminotoluene-3-Sulphonic Acid, provide a solid basis for its safe application, environmental risk control, and ensure ecological and human safety.

Future Prospects

Guanfu 4 - Aminotoluene - 3 - Sulphonic Acid Although this product has not yet reached its peak, its future prospects are really exciting.
In today's world, science and technology are new, and the field of chemical industry is also changing. 4 - Aminotoluene - 3 - Sulphonic Acid has emerged in many industries with its unique characteristics. Although there may be some obstacles at the moment, this is an opportunity to forge ahead.
Looking forward to the future, it may shine brightly on the road of material innovation. It can make the material more tough and light, and is used in aviation and automobiles to help traffic flow smoothly and soar in the sky. It is also expected to open up new paths in the road of pharmaceutical research and development. For the treatment of diseases, add a sharp tool to solve the suffering of everyone.
Or in the industry of environmental protection, develop its capabilities. Help clean sewage, clear exhaust gas, and return the world to blue, leaving heaven and earth to be clear.
Although there may be thorns in the road ahead, but uphold the heart of research and forge ahead, we will be able to make the functions of 4-Aminotoluene-3-Sulphonic Acid fully apparent in the world in the years to come, becoming an extraordinary cause and opening a brilliant chapter.

Frequently Asked Questions

What are the main uses of 4-Aminotoluene-3-Sulphonic Acid?

4-Aminotoluene-3-sulfonic acid, which is widely used in industry and many fields.
In the dye industry, this is a key intermediate. After a series of chemical transformations, a variety of dyes can be produced. Gu Yun: "The art of dyeing is based on materials." 4-Aminotoluene-3-sulfonic acid can give fabrics a brilliant color through ingenious chemical reactions, satisfying the world's pursuit of beautiful clothing and fabrics. Whether it is court clothes or folk cloth, the color of dyes depends on such intermediates to lay the foundation.
In the field of pharmaceutical synthesis, it also plays an important role. "Medicine is subtle, and drugs are tools." It participates in part of the drug synthesis process, or is a key link in the construction of the active structure of the drug, helping to develop a cure and save people, and escorting human health.
Furthermore, it is also indispensable in the manufacture of some special chemicals. It can be used as a reaction raw material or auxiliary agent to affect product performance and quality. In the field of fine chemicals, such as the preparation of special additives, it plays a unique role, just like a unique tool in the hands of exquisite craftsmen, helping to create high-quality fine chemical products. In short, 4-aminotoluene-3-sulfonic acid plays a key role in many industries, promoting industrial development and improving the quality of life.

What are the physical properties of 4-Aminotoluene-3-Sulphonic Acid?

4-Aminotoluene-3-sulfonic acid, its physical characteristics are quite important and related to many practical applications. The appearance of this substance is often white to light gray crystalline powder, like fine snow condensed in the mortal world, with fine texture.
In terms of solubility, it has a certain solubility in water, just like a fish entering water, it can blend with water, and it also has a certain solubility in polar organic solvents, but it has little solubility in non-polar organic solvents, which seems to be out of place in a non-polar environment.
Its melting point has a fixed number. At a specific temperature, it is like ice in the warm sun, gradually melting from a solid state to a liquid state. This melting point is one of its important physical properties and has a great impact on its processing and application.
Furthermore, density is also one of its physical properties. The given density makes the substance have a unique sedimentation and floating behavior in different media, just like a boat traveling in water, which varies depending on the density.
In addition, 4-aminotoluene-3-sulfonic acid has a certain stability. Under normal temperature and pressure, it is just like a stable person and is not easy to change. In case of specific conditions, such as high temperature, strong acid and alkali, etc., it will also change in the face of changes, and corresponding chemical reactions will occur to change its own properties.
The above is the main physical properties of 4-aminotoluene-3-sulfonic acid, which are the cornerstones of its application in industry, scientific research and other fields.

4-Aminotoluene-3-Sulphonic Acid is chemically stable?

The chemical properties of 4-aminotoluene-3-sulfonic acid are still stable. This compound has a specific structure, and the amino group and the sulfonic acid group are combined at a specific position of toluene. The amino group has a certain electron donor, while the sulfonic acid group is acidic.
From the perspective of reactivity, the amino group can participate in a variety of electrophilic substitution reactions, because it can provide an electron cloud, which makes the benzene ring more susceptible to attack by electrophilic reagents. However, the presence of sulfonic acid groups affects the regioselectivity of the reaction to a certain extent. Sulfonic acid is basically acidic and stable, and can maintain its ionic state in many systems, and can also form corresponding salts with metal ions.
Under normal conditions, the structure and properties of 4-aminotoluene-3-sulfonic acid remain relatively stable without extreme conditions such as strong oxidizing agents and strong acids and bases. It is often used as an important intermediate in the field of organic synthesis. It participates in multi-step reactions with stable properties and helps to generate various complex organic compounds. However, it should be noted that if there are substances in the environment that can specifically interact with their amino or sulfonic acid groups, their stability may be damaged, triggering corresponding chemical reactions.

What are the production methods of 4-Aminotoluene-3-Sulphonic Acid?

4-Aminotoluene-3-sulfonic acid, also known as p-aminotoluene-3-sulfonic acid, is prepared by the following methods.
First, p-toluidine is used as the starting material. First, p-toluidine is reacted with sulfuric acid, usually at specific temperatures and conditions, so that the two are fully functional. The amino group in the p-toluidine molecule can react with sulfuric acid to form the corresponding salt. Then, in the presence of an appropriate catalyst, a sulfonic acid group is introduced. In this process, factors such as reaction temperature, time and proportion of reactants need to be carefully regulated. If the temperature is too high or the reaction time is too long, side reactions may increase, affecting the purity and yield of the product; if the ratio is not correct, it is difficult to obtain the desired result. For example, strictly controlling the reaction temperature in a certain range allows the sulfonic acid group to precisely replace the methyl ortho-position of toluidine, thereby preparing 4-aminotoluene-3-sulfonic acid.
Second, p-methylacetaniline can also be used as a raw material. First, p-methylacetaniline is sulfonated with fuming sulfuric acid. Fuming sulfuric acid has strong sulfonation ability, and under suitable reaction conditions, the sulfonic acid group can be introduced into a specific position of p-methylacetaniline molecule. After the sulfonation is completed, the acetyl group is removed through a hydrolysis reaction, and then the amino group is restored, and the final product 4-aminotoluene-3-sulfonic acid is obtained. In the hydrolysis step, suitable hydrolysis reagents and conditions need to be selected to ensure the smooth progress of the reaction without affecting the structure of the sulfonic acid group and amino group.
Third, it can also be prepared by multi-step reaction from other compounds containing benzene rings and with suitable substituents. However, such methods are usually complicated in steps, high in cost, and relatively rarely used in actual production.
When preparing 4-aminotoluene-3-sulfonic acid, each method has its own advantages and disadvantages. It is necessary to carefully select the appropriate preparation method according to actual needs, such as product purity requirements, cost considerations, production scale and other factors, in order to achieve the purpose of efficient production and high-quality products.

4-Aminotoluene-3-Sulphonic Acid in storage and transportation

4-Aminotoluene-3-sulfonic acid, this is a chemical substance, and many matters need to be taken care of during storage and transportation.
First words storage, because it has a certain chemical activity, it should be stored in a cool, dry and well-ventilated place. If it is in a humid place, it is easy to be damp and deteriorate, causing its chemical properties to change, affecting subsequent use. And because it may be corrosive to some materials, storage containers should be carefully selected, and corrosion-resistant materials should be used, such as specific plastic or glass containers. Metal containers that are easy to react with should never be used to avoid danger. And it should be kept away from fire and heat sources to prevent it from decomposing or triggering other chemical reactions due to excessive temperature.
As for transportation, it is necessary to act in strict accordance with relevant regulations and standards. The transportation vehicle should be clean and dry, with no other substances that may react with it. During loading and unloading, the operator must be careful and handle it with care to avoid damage to the container and leakage. Once leaked, it will not only waste materials, but also may pollute the environment and endanger surrounding organisms. In case of high temperature weather during transportation, there should be corresponding cooling measures to keep it at a suitable temperature. At the same time, the transportation personnel should also know its characteristics and emergency treatment methods. In case of an accident, they can respond quickly and correctly to reduce the harm.