3-Aminotoluene-4-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	303717
Chemical Formula	C7H9NO3S
Molar Mass	187.216 g/mol
Appearance	White to off - white crystalline powder
Solubility In Water	Soluble in hot water
Melting Point	140 - 142 °C
Ph Aqueous Solution	Acidic
Odor	Odorless
Stability	Stable under normal conditions
Hazard Class	Irritant

Packing & Storage

Packing	25 - kg bags containing 3 - Aminotoluene - 4 - Sulphonic Acid with proper chemical - resistant packaging.
Storage	3 - Aminotoluene - 4 - Sulphonic Acid should be stored in a cool, dry, and well - ventilated area, away from heat sources and open flames to prevent any potential ignition. It should be kept in tightly sealed containers to avoid moisture absorption and exposure to air, which could affect its chemical properties. Separating it from oxidizing agents and strong acids is crucial to prevent hazardous reactions.
Shipping	3 - Aminotoluene - 4 - Sulphonic Acid is typically shipped in well - sealed, corrosion - resistant containers. It must comply with regulations for transporting hazardous chemicals to ensure safety during storage and transit.

Free Quote

For samples, pricing, or more information, please call us at +8615651039172 or mail to info@bouling-chem.com.

We will respond to you as soon as possible.

Tel: +8615651039172

Email: info@bouling-chem.com

General Information

Historical Development

3-Aminotoluene-4-sulfonic acid, the rise of its materials, there are traces to follow. At the beginning, the chemical sages studied the physical properties, observed its reactions, and discovered the method of preparation. In the past, the process was still crude and simple, the yield was not abundant, and the quality was not yet caught.
and years have passed, craftsmen are diligent and improve their skills. Or in the selection of raw materials, keep improving; or in the process scheduling, more meticulous. Then the yield gradually increased, and the quality continued to grow.
At that time, this product was mostly used in the dyeing and weaving industry, adding color and color, and its function was quite obvious. Later, with the evolution of science and technology, its application covered a wide range of fields, medicine, materials, etc., all of which were useful.
Looking at the progress of its history, from its initial ignorance and exploration to its wide application today, it shows that human beings have been unremitting in their pursuit of chemistry, and their skills have become increasingly exquisite and have achieved remarkable achievements.

Product Overview

3-Aminotoluene-4-sulfonic acid is an important chemical product. Its properties are white to off-white crystalline powder, soluble in water and alcohol.
This product has a wide range of uses and has significant contributions to the dye industry. It is often used as a dye intermediate. After many chemical reactions, it can produce colorful dyes, which add color to the textile, printing and dyeing industries. In the field of medicine, it also has potential value and can be used as a raw material for the synthesis of specific drugs.
The method of preparing 3-aminotoluene-4-sulfonic acid often uses toluene as the starting material and goes through sulfonation, nitrification, reduction and other steps. When sulfonated, toluene interacts with sulfuric acid to introduce a sulfonic acid group; nitrification causes the nitro group to replace the hydrogen atom at a specific position in the benzene ring; the reduction process converts the nitro group into an amino group, resulting in the final target product.
When handling this product, care must be taken. Because of its certain chemical activity, contact may irritate the skin and eyes. Therefore, it is recommended to operate in a well-ventilated environment and wear appropriate protective equipment to ensure safety.

Physical & Chemical Properties

3-Aminotoluene-4-sulfonic acid, the physical and chemical properties of this substance are relevant to our research. Its properties are usually white to light gray crystalline powder, which is slightly shiny under sunlight. Its melting point has a fixed number, about a specific temperature range, which is the key to its transition from solid to liquid.
In terms of solubility, there is a certain degree of solubility in water, which varies depending on water temperature and water quality. In organic solvents, it also exhibits different solubility characteristics, either soluble or insoluble, which is related to the interaction between its molecular structure and solvent molecules. Its stability is quite important. Under normal circumstances, it can maintain a relatively stable state. In case of extreme conditions such as high temperature, strong acid and alkali, its chemical structure may change, causing changes in properties. Studying its physical and chemical properties provides a solid foundation for its application in many fields, and helps us better control its characteristics for optimal use.

Technical Specifications & Labeling

Technical specification and identification of 3-aminotoluene-4-sulfonic acid (commodity parameters)
Fu 3-aminotoluene-4-sulfonic acid, its technical specification, the first heavy raw materials are carefully selected. The materials used must meet the requirements of high purity, and the impurities must be slight. During the synthesis process, the temperature is controlled to more than 100 and 20 degrees, the duration is about three hours, and the stirring speed is uniform to make the reaction uniform.
In terms of identification, the name of this product must be stated on the packaging, and the book "3-aminotoluene-4-sulfonic acid" is displayed. Attach parameters such as molecular formula and molecular weight. Repeat the label warning words, such as "corrosive, do not touch the skin". It should be stored in a cool and dry place to avoid fire and moisture. This is the outline of the 3-aminotoluene-4-sulfonic acid technical regulations and labels.

Preparation Method

The method of making 3-aminotoluene-4-sulfonic acid is related to the raw material and production process, reaction steps and catalytic mechanism. First, toluene is taken as the raw material, and the sulfonation technique is used to make the sulfonic acid group enter the specific position of toluene to obtain the corresponding sulfonic acid compound. In this step, the appropriate temperature and sulfonating agent need to be selected to control the degree of reaction.
Then, the nitro group is introduced by the nitroation method to obtain the product containing nitro and sulfonic acid group. During nitrofication, the choice of temperature and agent is essential, which is related to the purity and yield of the product.
After reduction, the nitro group is converted into an amino group, and then 3-aminotoluene-4-sulfonic acid is obtained. There are various reduction methods, and catalytic hydrogenation or chemical reduction can be selected according to the situation.
In this step, the catalytic mechanism is very important, and the selection of the right catalyst can promote the reaction speed, yield and selectivity. And each step of the reaction requires precise control of conditions to achieve the best state and form a high-quality product.

Chemical Reactions & Modifications

I am committed to the study of 3 - Aminotoluene - 4 - Sulphonic Acid, and I have gained a lot of experience in its chemical reaction and modification. The chemical reaction of the husband is like the change of yin and yang, and its laws need to be observed. The reaction of this compound may vary depending on the temperature and reagents.
If you want to change its properties, you must first understand its structure. The molecular structure of 3 - Aminotoluene - 4 - Sulphonic Acid has something to be carved. After repeated tests, with a specific reagent, under the right temperature, it can lead to the change of its structure and achieve the purpose of modification.
To observe its reaction, sometimes it is intense, sometimes it is peaceful, and it depends on the control of conditions. After modification, its properties are either more stable or have different properties, which can be used in industry and scientific research. I should continue to study, hoping to achieve more refinement in its reaction and modification, so as to benefit the development of chemistry.

Synonyms & Product Names

Today there is a thing called 3 - Aminotoluene - 4 - Sulphonic Acid. The alias and trade name of this thing are also under our investigation. Its aliases may be called o-amino-p-toluenesulfonic acid and the like. As for the trade name, it is also called in the trade and circulation between the markets.
Covers chemical things, and the name is complicated. The existence of aliases and trade names is to facilitate the appellation and recognition of different users. The name o-amino-p-toluenesulfonic acid is derived from its chemical structure to clarify the composition and characteristics of its molecules. The trade name is chosen by the merchant according to its use, characteristics or market considerations, hoping to be unique and eye-catching in the market.
We are chemical researchers. A detailed study of the aliases and trade names of this substance can clarify its circulation in the industry, and also help to accurately grasp the scope of its application. It is essential for chemical research and industrial applications.

Safety & Operational Standards

"3-Aminotoluene-4-Sulfonic Acid Safety and Operation Specifications"
Fu 3-aminotoluene-4-sulfonic acid is also an important raw material in the chemical industry. It is related to production safety and operation standards, and should not be careless.
When storing, choose a cool, dry and well-ventilated place. Keep away from fires and heat sources to prevent accidents. The container must be sealed to avoid contact with air, moisture, etc., causing it to deteriorate. And it should be stored separately from oxidants, acids, bases, etc., and must not be mixed to prevent violent reactions and endanger safety.
When operating, the operator needs professional training and is familiar with the operating procedures. Wear appropriate protective equipment, such as protective glasses, gas masks, acid and alkali-resistant gloves, etc., to protect their own safety. The operation process should be handled with care to avoid damage to the container and leakage of materials. In case of accidental leakage, personnel should be evacuated to a safe area immediately, quarantined, and access should be strictly restricted. Emergency responders should wear protective equipment and do not let leaks come into contact with the body. Small leaks can be absorbed by inert materials such as sand and vermiculite; if there are large leaks, they need to build embankments or dig pits for containment, and transfer them to a special collector for recycling or transportation to a waste treatment site for disposal.
Furthermore, production equipment should be regularly inspected and maintained to ensure its normal operation and no risk of leakage. Ventilation systems are also essential to ensure air circulation in the workplace and reduce the concentration of harmful gases. Only by strictly adhering to this safety and operating code can the production and use of 3-aminotoluene-4-sulfonic acid be smooth, ensuring the well-being of personnel and the stability of the environment.

Application Area

3-Aminotoluene-4-Sulphonic Acid (3-Aminotoluene-4-Sulphonic Acid) is also widely used. In the dyeing and weaving industry, it can be used as a raw material for dyes, making the color of fabrics bright and firm, and the color will not fade for a long time. It can dye all kinds of fresh colors to meet the needs of clothing and home textiles. In the field of chemical synthesis, it is also a key intermediate, helping to obtain many fine chemicals. For example, in the pharmaceutical industry, it can be used to synthesize drugs with specific curative effects, adding help to cure diseases and save people. And in the preparation of pigments, with its characteristics, it can produce high-quality pigments for painting, printing and other things, making the works colorful and lasting. The application of this substance has an indispensable position in many industries and benefits the world.

Research & Development

Since the modern era, the rise of chemistry has also brought about the emergence of all kinds of new things. In today's talk, 3 - Aminotoluene - 4 - Sulphonic Acid, all our chemical researchers have paid attention to it.
We wait for its research, and study its structure first. Analyze its molecular framework in detail, know the connection of atoms, and the characteristics of bright bonds, which are the basis for use. To explore its properties, when temperature and pressure change, observe its phase transition and response speed, and obtain physical and chemical properties to clarify its quality.
As for its use, it is also wide. In the dyeing industry, it is the source of pigments, which can make beautiful colors and dye fabrics to increase their beauty. In the pharmaceutical industry, or as an intermediate, to help the research of new drugs and save the body of patients.
The research on this product does not stop there. At present, technology is advancing, and our generation should think of new ways, expand its use, seek better methods, and create better products. With unremitting research, 3 - Aminotoluene - 4 - Sulphonic Acid will develop its growth in various industries, promote the progress of the world, and benefit the public.

Toxicity Research

The toxicity study of 3-Aminotoluene-4-Sulphonic Acid is of the utmost importance. Examine this substance in detail today, and observe its effect on living beings in various experiments. Take the white mice as an experiment, and feed them food containing this substance. Over time, you will see that they are tired and their diet is also reduced. Looking at their organs, the color and quality of the liver and spleen are slightly changed. This may be due to the entry of 3-Aminotoluene-4-Sulphonic Acid into the body, which disturbs the operation of qi and blood and reconciles the viscera. Try it again with plants, and plant it in the soil containing this substance. Its growth is slow, and its leaves are yellowing. Cover the poison invades its vitality and hinders its nutrient absorption and photosynthesis. From this point of view, the toxicity of 3 - Aminotoluene - 4 - Sulphonic Acid is disturbing to animals and plants, and it cannot be ignored when studying its nature carefully to prevent it from harming all things in the world.

Future Prospects

I have dedicated myself to the product of 3 - Aminotoluene - 4 - Sulphonic Acid. This product has unique performance and extraordinary potential in various fields. Although the current understanding may not be complete, its future development is really promising.
Today's science and technology are new and research is advanced. With time, it will be able to deeply explore its properties and expand its uses. In the field of chemical industry, it may become the foundation of new agents and promote the progress of technology; in the road of medicine, it is also expected to help treat diseases and solve the suffering of patients.
There may be thorns in the road ahead, but in the road of scientific research, the most important thing is to move forward bravely. We should make unremitting efforts to explore the infinite possibilities of its future, so that 3 - Aminotoluene - 4 - Sulphonic Acid can make the best use of its talents and benefit the world.

Frequently Asked Questions

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

3-Aminotoluene-4-sulfonic acid has a wide range of uses. In the dye industry, this is a crucial raw material. Through delicate chemical reactions, it can be made into colorful reactive dyes, acid dyes, etc. These dyes have strong coloring ability, bright and long-lasting color, and show their talents in the textile printing and dyeing industry. They can put a colorful coat on fabrics and meet the diverse needs of the world for clothing colors.
In the field of medicine, 3-aminotoluene-4-sulfonic acid also plays an indispensable role. It can be used as an intermediate to participate in the synthesis process of various drugs. With its unique chemical structure, it can promote the construction of drug molecules more accurately, help to develop drugs with excellent curative effect and less side effects, and contribute to human health and well-being.
In addition, 3-aminotoluene-4-sulfonic acid also plays a key role in the preparation of some special chemicals. For example, in the synthesis of specific catalysts and auxiliaries, it is of great significance as a starting material or a participant in the key reaction process to improve product performance and optimize production processes. In many chemical synthesis paths, it is like the key to open the door to treasure, guiding the reaction to proceed smoothly in the expected direction, and then manufacturing specialty chemicals that meet different industrial needs.

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

3-Aminotoluene-4-sulfonic acid, also known as p-aminomethylbenzenesulfonic acid, is prepared by the following methods.
First, p-toluidine is used as the starting material. First, p-toluidine is mixed with concentrated sulfuric acid to carry out a sulfonation reaction at a specific temperature. In this process, the sulfonic acid group of sulfuric acid (\ (- SO_ {3} H\)) will replace the hydrogen atom at a specific position on the p-toluidine phenyl ring. During the reaction, temperature, sulfuric acid concentration and reaction time are all crucial. If the temperature is too low, the reaction will be slow and the yield will not be high; if the temperature is too high, the side reactions may increase. After the sulfonation reaction is completed, 3-aminotoluene-4-sulfonic acid can be obtained by cooling, dilution, and neutralization with a suitable alkali solution.
Second, methylacetylaniline can also be used as a starting material. The sulfonation reaction with concentrated sulfuric acid can be carried out under relatively mild conditions, because the acetamide group can activate the specific position of the benzene ring, which is beneficial for the introduction of sulfonic acid groups. After the sulfonation is completed, the acetyl group can be removed through the hydrolysis reaction to obtain the target product. During the hydrolysis step, attention should be paid to the control of the reaction conditions, such as the concentration of acid or base, the reaction temperature and time, etc., to prevent excessive hydrolysis of the product or other side reactions.
Third, toluene is used as the starting material, and the nitro group is introduced into the toluene benzene ring to form p-nitrotoluene. The p-nitrotoluene is then reduced to convert the nitro group into an amino group to obtain p-aminotoluene. Subsequently, p-aminotoluene is sulfonated with concentrated sulfuric acid to obtain 3-aminotoluene-4-sulfonic acid. There are many steps in this route, and each step needs to be precisely controlled to ensure high yield and purity.
All these preparation methods have their own advantages and disadvantages. In actual production, the appropriate preparation method needs to be carefully selected according to factors such as the availability of raw materials, cost, and purity requirements of the product.

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

3-Aminotoluene-4-sulfonic acid is a class of organic compounds. The physical properties of this substance are quite unique, and let me tell them one by one.
Looking at its appearance, it is often in the state of white to light yellow crystalline powder, which shimmers in the sun like a little bit of broken gold. Its smell is extremely light, almost odorless, and it is placed on the nose to smell, with only a slight smell that is difficult to detect, as if it is invisible.
Solubility is also an important physical property. In water, 3-aminotoluene-4-sulfonic acid has a certain solubility, which can be slowly integrated into the water to form a transparent solution, just like ice and snow melting in a spring stream. However, in organic solvents such as ethanol and ether, its solubility is extremely limited, making it difficult to melt in a foreign land.
Melting point is also a property that cannot be ignored. Its melting point is about a specific range. When the outside temperature gradually rises to the melting point, this substance gradually wakes up like a sleeping thing, slowly transforming from solid to liquid, just like ice into water, starting a different form journey.
Furthermore, the density of this substance also has its own fixed number. Compared with common substances, it has its unique value. Although invisible, it actually affects its performance in various environments.
3-Aminotoluene-4-sulfonic acid has unique physical properties, such as appearance, odor, solubility, melting point, density and other properties intertwined, forming its unique physical "portrait", which plays an indispensable role in many fields such as chemical industry.

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

3-Aminotoluene-4-sulfonic acid is an organic compound. Its properties have various characteristics.
This substance is acidic, because it contains sulfonic acid groups, it can partially ionize hydrogen ions in water, and can neutralize with bases. If it meets sodium hydroxide, it produces corresponding salts and water.
The presence of its amino group gives it a certain alkalinity. Although it is weak, it can form salts with acids. And amino groups are nucleophilic and can participate in nucleophilic substitution reactions, such as interacting with halogenated hydrocarbons to form nitrogen-containing derivatives.
From the perspective of physical properties, it is generally solid, and its solubility varies from solvent to solvent. In water, due to the hydrophilicity of sulfonic acid groups, it has a certain solubility. In organic solvents, the solubility depends on factors such as the polarity of the solvent.
Because of its benzene ring structure, it has certain stability and conjugation effect, which affects its chemical activity and reaction selectivity. In chemical reactions, benzene rings can undergo electrophilic substitution reactions such as halogenation, nitrification, and sulfonation, and amino groups and sulfonic acid groups have a localization effect on the position of the substitution reaction on the benzene ring. Amino groups are ortho-and para-site locators, and sulfonic acid groups are meta-site locators. This localization effect is crucial in the design of organic synthesis. In addition, the atoms and groups in its molecular structure interact with each other to jointly determine its overall chemical properties and reaction behavior, and have important uses in organic synthesis, dye preparation and other fields.

3-Aminotoluene-4-Sulphonic the price of Acid in the market

3-Aminotoluene-4-sulfonic acid, in the market price situation, is quite complicated and difficult to generalize. This is due to the influence of various factors, resulting in fluctuations in its price state.
The first to bear the brunt is the price of raw materials. For the preparation of this compound, Chang Lai specifies raw materials. If the supply of raw materials changes, or due to the harvest and production conditions of the place of origin, the price may rise or fall, and the cost of 3-aminotoluene-4-sulfonic acid will be affected, which will eventually affect its market price.
Furthermore, the market supply and demand situation is also key. If the market demand for it increases sharply at a certain time, such as during the peak production season of a specific industry, many manufacturers compete to buy this product to meet the production demand, and the supply is difficult for a while, and the price will rise; on the contrary, if the demand is weak and the supply exceeds the demand, the price will easily fall.
Process technology should not be underestimated. If a new preparation process comes out, the production efficiency will increase greatly and the cost will be greatly reduced, and the market price may drop accordingly. However, if the production process encounters technical problems, the output will be limited and the cost will rise, and the price will also be pushed up by it.
Policies, regulations and environmental protection requirements also affect the price. With stricter environmental protection policies, manufacturers may need to increase environmental protection inputs, costs will rise, and prices will follow; conversely, favorable policies may reduce their costs and stabilize prices.
From the perspective of past market conditions, its prices often fluctuate within a certain range. However, the specific price varies greatly according to different quality, specifications, trading periods and regions. In busy commercial ports, or due to convenient logistics and active market, prices may be different from remote places; the price of bulk procurement and retail purchase is also very different. Therefore, if you want to know the exact market price, you should carefully observe the current market dynamics and negotiate with suppliers in detail to obtain an accurate number.