Products

4-Amino-2-Chloro Toluene-5-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code

356069

Chemical Formula C7H8ClNO3S
Molar Mass 221.66 g/mol
Appearance Light yellow to brown solid
Solubility In Water Soluble
Solubility In Organic Solvents Moderately soluble in some organic solvents
Melting Point Approx. 158 - 162 °C
Boiling Point Decomposes before boiling
Acidity Acidic due to sulfonic acid group
Odor Odorless or faint odor
Stability Stable under normal conditions, but may react with strong oxidizing agents
Packing & Storage
Packing 25 - kg bags for 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid packaging.
Storage 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances. Store in tightly sealed containers to prevent moisture absorption and contamination. Avoid storage near oxidizing agents to ensure chemical stability.
Shipping 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid is shipped in tightly sealed, corrosion - resistant containers. Shipment adheres to strict chemical transport regulations, ensuring safety during transit to prevent any leakage or hazard.
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4-Amino-2-Chloro Toluene-5-Sulfonic Acid
General Information
Historical Development
4-Amino-2-chlorotoluene-5-sulfonic acid is also a chemical product. It originated from the research and exploration of the past. In the early years, chemists worked hard to study the method of organic synthesis, hoping to achieve something. In the long road of search, after countless trials and errors, this compound was obtained. At first, the synthesis method was complicated and the yield was meager, and it was only prepared in a small range in the laboratory.
and technology are gradually improved, the process is improved, the yield is gradually increasing, and the application is also becoming more and more extensive. In the dye industry, it shines brightly, providing key raw materials for fresh-colored dyes. And in the field of medicine, it has emerged and helped the research and development of new drugs. Its development path is like sailing against the current. Although it is difficult, the perseverance of chemists has gradually turned it from a treasure in the laboratory to a treasure in the industrial world. It has made extraordinary achievements in many fields, and it is expected to expand into more uses and create a new situation in the future.
Product Overview
4-Amino-2-chlorotoluene-5-sulfonic acid, Product Overview
4-amino-2-chlorotoluene-5-sulfonic acid, this is an important compound in chemical research. It has a unique chemical structure and is widely used in the field of organic synthesis.
From the perspective of chemical properties, its amino group, chlorine atom and sulfonic acid group endow special reactivity. Amino groups can participate in many nucleophilic substitution reactions, providing the possibility for the introduction of various functional groups; chlorine atoms are also a key check point for specific reactions; sulfonic acid groups give the compound certain water solubility and ionic properties.
In the industrial production level, it is often prepared by a specific synthesis path. Through careful selection of raw materials and control of reaction conditions, high-purity products are obtained. It plays an important role in the synthesis of dyes and pharmaceutical intermediates. In dye synthesis, it can be used as a key intermediate to construct specific chromophore groups, endowing dyes with excellent color and stability; in the field of pharmaceutical intermediates, it lays the foundation for the synthesis of specific drug molecules.
In summary, 4-amino-2-chlorotoluene-5-sulfonic acid occupies an important position in chemical research and industrial production due to its unique properties and wide range of uses.
Physical & Chemical Properties
4-Amino-2-chlorotoluene-5-sulfonic acid, its physical and chemical properties are crucial. The appearance of this substance may be a specific color state and has a unique odor. In terms of solubility, it may be soluble in some solvents, but not in others, which is related to the interaction between its molecular structure and solvents. Its melting point and boiling point are also inherent and determined by intermolecular forces. In terms of chemical activity, it can participate in many reactions because it contains amino groups, chlorine atoms and sulfonic acid groups. Amino groups are nucleophilic and can react with electrophilic reagents; chlorine atoms can be replaced; sulfonic acid groups are acidic and can neutralize with bases. These physical and chemical properties have a significant impact on the process of preparation and application, and are relevant to the design of the process and the performance of the product.
Technical Specifications & Labeling
Today, there is a 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid system, and its technical regulations and identification (commodity parameters) are the key. The technical regulations are related to the choice of materials, the ratio is accurate, and the reaction temperature, time and pressure are all fixed. If the material must be pure, the ratio should be according to the formula, the reaction temperature should be controlled in a certain area, and the length of time and pressure can be followed. The marker should specify the properties, color, taste and shape of the product, and also note its danger, storage method, and use. In this way, the best products can be obtained, and they can be used safely and stored properly. In the chemical industry, clear technical regulations and labels are fundamental, which are related to effectiveness and safety.
Preparation Method
The preparation method of 4-amino-2-chlorotoluene-5-sulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The selection of raw materials is very critical, starting with a specific proportion of chlorotoluene and reagents containing amino and sulfonic acid groups.
The first step is to place chlorotoluene in a special reactor, control the temperature to a suitable range, and slowly add amino-containing reagents. This process requires precise regulation of the reaction rate and temperature to prevent side reactions.
Then, when the amino reaction reaches the expected degree, a sulfonic acid-containing reagent is introduced. The control of temperature and reaction time at this stage is crucial, which is related to the purity of the product.
As for the catalytic mechanism, a high-efficiency catalyst should be selected to promote the efficient progress of the reaction and reduce energy consumption and cost. And the whole reaction process needs to be closely monitored to ensure that each step is accurate, in order to obtain high-purity 4-amino-2-chlorotoluene-5-sulfonic acid.
Chemical Reactions & Modifications
Today there is a chemical substance called 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid. In the field of chemistry, its reaction and modification are very important.
To investigate its reaction, it is necessary to understand the structure of its molecules and explore the change of its bonds. The reaction of this substance often involves the movement of functional groups, or nucleophilic, or electrophilic, depending on the reaction environment. Or in contact with alkali, or in contact with acid, it changes differently.
As for modification, it aims to increase its properties and expand its uses. New groups can be added to change its properties by means of substitution. Or adjust its dissolution, or change its stability, so as to meet the needs of diversity.
The wonders of chemistry are to study the changes of substances and seek their novelty, so as to benefit the world. The reaction and modification of this substance is the important way of chemical exploration, waiting for our generation to study it in depth.
Synonyms & Product Names
4-Amino-2-chlorotoluene-5-sulfonic acid, which is widely used in the chemical industry. There are also many synonymous names. In the past, the Fang family called it by another name, such as a certain place at a certain time, called "a certain name", because of the situation and habits at that time. Or according to its characteristics and production methods, it has another name that is appropriate. Its trade name also changes with the trade name and market. There are trade names that sell it under a "certain trade name" to show its characteristics and distinguish it from other products. The synonymous name and trade name are both to clarify its nature and facilitate its use. Although the names are different, they all refer to this 4-amino-2-chlorotoluene-5-sulfonic acid, which is used in the chemical industry to help it prosper.
Safety & Operational Standards
4-Amino-2-chlorotoluene-5-sulfonic acid is also a chemical product. Its safe operation is essential.

It is necessary to pay attention to general matters. The operator must first take precautions, such as masks, gloves, protective clothing, etc., to prevent themselves from being harmed.

The place where it is stored should be placed in a place where it is dry and common, and it is a source of fire and fire. Do not combine oxidizing substances, such as oil, to prevent it from reacting and causing damage.
The use of oil, according to the amount of fine oil, can not be used. If you accidentally wash the skin or eyes with a large amount of water quickly, the serious case will be treated immediately. In case of fire, it is appropriate to use the appropriate heat, such as dry powder and carbon dioxide.
All workers who work with this thing are familiar with its safe operation. Only with small caution can we ensure that the product can be used without accidents.
Application Area
4-Amino-2-chlorotoluene-5-sulfonic acid has a wide range of application fields. In the field of dye preparation, it can be used as a key intermediate to help dyeers prepare colorful dyes, adding colorful colors to fabrics, making clothes and silk bright and moving. In the field of medicine and chemical industry, it is also important to help synthesize specific drug ingredients, provide help for doctors to heal patients, or lay the foundation for the development of new drugs. In the manufacture of pigments, it can give unique properties to pigments, and the painter can get this, the color under the pen is brighter and longer-lasting, and the painting adds a lot of color. From this point of view, 4-amino-2-chlorotoluene-5-sulfonic acid plays a key role in many application fields and has far-reaching impact on the development of related industries.
Research & Development
About the research and use of 4-amino-2-chlorotoluene-5-sulfonic acid
Fu 4-amino-2-chlorotoluene-5-sulfonic acid is an important product in the chemical world. To study its quality, it is related to chemical properties and conformation, to explore the secrets of molecules, to clarify its physical and chemical characteristics, such as the number of melting boils and the state of solubility. This is the basis.
To observe its use, it is effective in the dyeing industry. It is an essential material for making dyes. It is fresh and firm in color, and the fabric is dyed and shiny. It also has contributions in the pharmaceutical industry, participating in the formation of pharmaceuticals, or involved in the road of antibacterial and disease treatment.
As for the progress of research and application, in this world, seek efficient and environmentally safe methods. New technologies are emerging, to optimize the art of synthesis, to reduce pollution and increase the rate. And explore its new uses, hope to expand in new fields, like the genus of the material family. Over time, it will surely shine in all industries and benefit the world.
Toxicity Research
Toxicity Study of 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid
The 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid is also a chemical substance. In this world, its use is good, but the study of its toxicity cannot be ignored.
I began to use the method to determine its toxicity. Put this thing in a suitable environment and observe the shadow of its tiny matter. It can inhibit the colonization of microorganisms and make the flora disappear. And use the substance to reduce it, the rat, to serve it. It is difficult to find out how to eat and how to move. Its coat color is not bright, and it is difficult to move, or there is a abdominal disease.
Analyze its rationale, this substance or the substitute of dry oil, the activity of the enzyme, and the physiological method. Therefore, 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid is toxic, and it exists in human environments. Use it with caution, for safety and benefit.
Future Prospects
Prospects of the future, in 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid, this material is very important. Today, this compound has many uses and has been involved in many fields.
Not yet, it may make a big impact in chemical engineering. Can be improved, with the rapid progress of science and technology, its synthesis process will be refined day by day, improving efficiency and reducing consumption, cost or reduction. And in terms of materials science and other aspects, it is also expected to open up new paths and derive more high-performance materials.
In addition, it is guaranteed to thrive, and its production process or color will be improved. Researchers strive to explore the raw materials of harm, so as to meet the idea of sustainable development. In this way, 4 - Amino - 2 - Chloro Toluene - 5 - Sulfonic Acid will be an indispensable force for the development of technology and technology.
Frequently Asked Questions
What are the main uses of 4-Amino-2-Chloro Toluene-5-Sulfonic Acid?
4-Amino-2-chlorotoluene-5-sulfonic acid has a wide range of uses. In the dye industry, it is a crucial intermediate. Due to its unique chemical structure, it can derive many colorful dyes through a series of delicate chemical reactions. For example, the synthesis of some bright and light-resistant azo dyes, which are often used in the dyeing process of fabrics, can give fabrics a lasting and bright color, satisfying the world's pursuit of clothing and fabric aesthetics.
In the field of medicine, it also plays a role that cannot be ignored. It may be used as a key starting material for the synthesis of specific drugs. With the ingenious modification and transformation of its chemical structure, it is expected to create drugs with unique pharmacological activities to cure various diseases and contribute to human health and well-being.
In the manufacture of pigments, it also plays an important role. With the appropriate synthesis path, pigments with excellent performance can be generated. Such pigments have good hiding power and color fastness, and can be widely used in paints, inks and other industries, making related products exhibit better color performance and stability.
In addition, in the field of organic synthetic chemistry, 4-amino-2-chlorotoluene-5-sulfonic acid, as a unique organic compound, is often used as the cornerstone for the construction of more complex organic molecules. Chemists use their special functional groups and reactivity to carefully design and implement various organic synthesis reactions, expand the types and functions of organic compounds, and promote the continuous development of the field of organic synthetic chemistry.
What are the physical properties of 4-Amino-2-Chloro Toluene-5-Sulfonic Acid
4-Amino-2-chlorotoluene-5-sulfonic acid, which has unique properties. It is a white to light gray powder with certain solubility, partially soluble in water, weakly acidic, due to the sulfonic acid group. Its melting point is quite high, and it melts into a liquid state at a specific temperature. This property is very critical in the chemical process, which can help control the reaction temperature and state changes.
Furthermore, 4-amino-2-chlorotoluene-5-sulfonic acid has relatively active chemical properties. Amino groups can participate in a variety of reactions, such as interacting with acylating reagents to form amide compounds. Although the chlorine atom is relatively stable, it can also undergo a substitution reaction under specific conditions, such as strong alkalinity and high temperature, and can be replaced by other functional groups. Although the sulfonic acid group is weakly acidic, it can react with the base to form a salt, which has better solubility in water. This property is often used in dyes, medicine and other industries to help disperse and transport substances.
In addition, its stability is affected by the environment. Light, high temperature or contact with specific chemicals may cause decomposition or other reactions, resulting in changes in structure and properties. Therefore, when storing, it is necessary to avoid strong light, high temperature, and keep away from incompatible chemicals to ensure stable quality and performance. In short, 4-amino-2-chlorotoluene-5-sulfonic acid is rich in physical properties, and it needs to be rationally used and treated according to its characteristics when used in many fields.
Is 4-Amino-2-Chloro Toluene-5-Sulfonic Acid Chemically Stable?
4-Amino-2-chlorotoluene-5-sulfonic acid, the stability of this substance is related to many aspects. Looking at its chemical structure, there are amino groups, chlorine atoms, methyl groups and sulfonic acid groups connected to the benzene ring. The amino group is electron-giving, the sulfonic acid group is strongly acidic and hydrophilic, and the chlorine atom and methyl groups also affect its properties.
Under normal conditions, if stored in a suitable environment, that is, dry, cool and dark, this substance is still stable. When it is solid, if there are no external chemicals, high temperature, strong oxidants and other factors, the structure is not easy to change.
In special circumstances, its stability is challenged. In case of high temperature, the sulfonic acid group may be dehydrated and decomposed, and the amino group may also react, causing structural changes. Strong oxidants can oxidize amino groups and methyl groups, destroying their original structures. In a strong acid-base environment, due to the acid-base properties of amino groups and sulfonic acid groups, they will react with acid and base, changing the nature of the substance.
And the stability of this substance in solution is different. In aqueous solution, the sulfonic acid group is ionized, causing the substance to exist in an ionic state. The stability is affected by the pH value of the solution, the ionic strength and other solutes. If the pH is too high or too low, it may initiate the reaction of amino groups or sulfonic acid groups, reducing the stability.
In summary, the stability of 4-amino-2-chlorotoluene-5-sulfonic acid is not absolute, and its stability depends on external environmental conditions. Proper storage and operation can maintain its stability.
What is the production process of 4-Amino-2-Chloro Toluene-5-Sulfonic Acid?
The production process of 4-amino-2-chlorotoluene-5-sulfonic acid has been followed in ancient times. In the past, to prepare this product, an appropriate amount of toluene was taken as the base material and placed in a specific reactor. The atmosphere in the kettle needs to be strictly controlled, and an appropriate amount of chlorine gas is introduced. Under precise temperature and pressure, chlorine gas reacts with toluene to obtain 2-chlorotoluene.
Then, 2-chlorotoluene is introduced into another reaction device and mixed with fuming sulfuric acid. This process also requires strict control of temperature, pressure and reaction time. The sulfonic acid group of sulfuric acid cleverly replaces the hydrogen atom at a specific position of toluene to obtain 2-chlorotoluene-5-sulfonic acid. Subsequently, 2-chlorotoluene-5-sulfonic acid reacts with ammonia under suitable conditions. The amino group in ammonia successfully replaces the chlorine atom at the adjacent position of the sulfonic acid group. After a series of complicated operations, such as separation and purification, impurities are removed, and pure 4-amino-2-chlorotoluene-5-sulfonic acid is finally obtained.
Today, the process continues to improve, or new catalysts are introduced to improve the reaction rate and product yield; or reaction equipment is improved to make the control of reaction conditions more accurate, and strive to produce 4-amino-2-chlorotoluene-5-sulfonic acid with high efficiency and high quality to meet the needs of all parties.
What is the price range of 4-Amino-2-Chloro Toluene-5-Sulfonic Acid in the market?
The price range of 4-amino-2-chlorotoluene-5-sulfonic acid in the market is difficult to determine. The price often varies due to various factors, such as the price of raw materials, supply and demand, difficulty in preparation, quality, purchase quantity, and even fluctuations in market conditions and regional differences.
In the past, if the raw materials are abundant and the production method is advanced, the price may stabilize. However, if the raw materials are scarce, the supply is tight, and the demand is still strong, the price will rise. Those with good quality often have higher prices than ordinary ones; those who buy in bulk may get preferential prices.
According to past market conditions, the price of this product fluctuates quite significantly. In some seasons, due to the stable price of raw materials and the lack of a sharp increase in demand, the price may hover at a low level of several yuan per ton; in the event of a shortage of raw materials or a surge in demand, the price may rise sharply to a high level of tens of thousands of yuan per ton.
As for the exact price range, it is difficult to say precisely because there is no current detailed market information. To know the details, you need to constantly observe the chemical market conditions, or consult chemical product suppliers and distributors to obtain the latest and accurate price range.