2-Amino-5-Chlorobenzenesulfonic Acid

Lingxian Chemical

Specifications

HS Code	117937
Chemical Formula	C6H6ClNO3S
Molar Mass	207.64 g/mol
Appearance	Solid
Color	White to off - white
Solubility In Water	Moderate solubility
Melting Point	175 - 180 °C
Pka Value	Indicates acidic nature
Boiling Point	Decomposes before boiling
Odor	Odorless or faint odor
Density	Data specific to pure substance needed

Packing & Storage

Packing	25 - kg bags of 2 - Amino - 5 - Chlorobenzenesulfonic Acid, well - sealed for protection.
Storage	2 - Amino - 5 - Chlorobenzenesulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in tightly sealed containers to prevent moisture absorption and contamination. Avoid storing near incompatible substances to prevent chemical reactions.
Shipping	2 - Amino - 5 - Chlorobenzenesulfonic Acid is shipped in well - sealed containers, often drums or bags. It's transported in accordance with chemical shipping regulations, ensuring protection from moisture, heat, and physical damage during transit.

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General Information

Historical Development

2-Amino-5-chlorobenzenesulfonic acid is also a chemical product. Its origin can be traced back to the early days of chemical technology. At that time, all the sages worked hard to study the mystery of chemistry.
At the beginning, there were intelligent people who explored the secrets of this compound in the laboratory with exquisite methods. After countless attempts, the essentials of preparation were obtained. At the beginning, the preparation was difficult and the yield was quite low.
However, the aspirations of scholars were not discouraged. With the passage of time and the advancement of science and technology, the preparation method became more and more sophisticated. From the initial crude, to the later maturity of the process, the yield was also greatly improved. Its application has also become more and more extensive, playing an important role in many fields such as dyes and medicine. It is a shining pearl in the history of chemical development.

Product Overview

About 2-Amino-5-chlorobenzenesulfonic acid
Now there is a thing called 2-Amino-5-chlorobenzenesulfonic acid. Its shape or the state of crystal powder, the color is often nearly white, and it is slightly discernible. This material is very different, and it is slightly soluble in water, just like a fish playing with a shallow stream, and it is difficult to form a seamless trend; when heated, it should be, like a spiritual object sensing temperature, and its characteristics change.
It is widely used. In the dyeing industry, it is an essential agent for making colors, and if the painter's ink color, it adds the gorgeous color of the fabric. In the way of medicine, it is the cornerstone of the recipe, like a craftsman making a building, indispensable.
Preparation of the road, mostly by chemical magic. Benzene-based, supplemented by chlorine, ammonia genus, after clever preparation, and finally get this product. However, when preparing, we must abide by the procedures, such as the abyss, prevent unexpected changes, and ensure quality assurance.

Physical & Chemical Properties

2-Amino-5-chlorobenzenesulfonic acid is a unique compound. Its physical and chemical properties are worthy of in-depth study. Looking at its shape, it often appears in a crystalline state, with a color as white as snow or slightly yellow.
As for its physical properties, the melting point is one of the keys. After accurate measurement, its melting point is in a specific range. This property is crucial for the identification and purification process. Its solubility is also characteristic. It is slightly soluble in water, but it is better dissolved in some organic solvents.
In terms of its chemical properties, it has the characteristics of amphoteric groups because it contains amino groups and sulfonic acid groups. The amino group can be basic and can combine with acids to form corresponding salts; the sulfonic acid group is acidic and can neutralize with bases. And the chlorine atom on its benzene ring can initiate a substitution reaction under suitable conditions, which is an opportunity for organic synthesis to create new compounds. These properties constitute its unique chemical behavior, which is important in the chemical industry and scientific research fields.

Technical Specifications & Labeling

Technical Specifications and Labeling of 2-Amino-5-Chlorobenzenesulfonic Acid (Commodity Parameters)
2-Amino-5-Chlorobenzenesulfonic Acid is an important product in the chemical industry. Its technical specifications are related to the selection of raw materials, which must be pure and free of impurities to ensure quality. The method of synthesis must follow precise steps, control the temperature and be timely, so that the reaction is sufficient. The reaction equipment also needs to be clean and adapted to avoid impurities.
As for the label, when the product parameters are stated. Indicate its chemical composition, the proportion of elements contained in the standard definition; note its purity geometry to show the quality. On the packaging, the method of storage should be indicated, and it should be placed in a dry and cool place to avoid fire and moisture to prevent its qualitative change. In this way, the essence of the square technical specification and logo makes this object safe for industrial use.

Preparation Method

To prepare 2-amino-5-chlorobenzenesulfonic acid, the method is as follows:
Raw materials and production process: Starting with chlorobenzene, after sulfonation, p-chlorobenzenesulfonic acid is obtained, and then nitrified with mixed acids to obtain 2-nitro-5-chlorobenzenesulfonic acid.
Reaction steps: 2-nitro-5-chlorobenzenesulfonic acid is reduced to iron powder or sulfide base, and the nitro group is changed to amino group to obtain 2-amino-5-chlorobenzenesulfonic acid.
Catalytic mechanism: During the reaction process, the catalyst can promote the speed of sulfonation, nitration and reduction, and reduce the reaction temperature and energy consumption. Selecting the appropriate catalyst and reaction conditions can increase the Thus, 2-amino-5-chlorobenzenesulfonic acid was prepared accordingly.

Chemical Reactions & Modifications

Since modern times, chemistry has become more and more refined, and the study of this compound in 2 - Amino - 5 - Chlorobenzenesulfonic Acid is quite detailed. Its chemical reaction is what chemists have been trying their best to think about.
Initially, the preparation of this compound, the reaction conditions are harsh, and the yield is not ideal. Chemists have repeatedly inferred, observing the ratio of reactants, temperature, and pressure changes, hoping to obtain an optimization method. After repeated experiments, it was found that adjusting the amount of a reactant, controlling the temperature in a specific range, and the reaction rate and yield are improved.
And its chemical properties can also be investigated. In order to improve its properties, chemists tried it with various reagents, observed its reaction phenomenon, and analyzed its product structure. Finally, the results were obtained. After specific treatment, the stability of this substance was greatly increased, and the application range was also expanded.
This is the unremitting research of chemists, so that the chemical reaction and performance improvement of 2 - Amino - 5 - Chlorobenzenesulfonic Acid have gradually become better, and are widely used in various fields, contributing to the progress of the world.

Synonyms & Product Names

On July 1, 2024, 2-amino-5-chlorobenzenesulfonic acid is very important in my chemical research. There are many different names, also known as 2-amino-5-chlorobenzenesulfonic acid, which is also a scientific name. Intercity names, or different, trade names, each with its own characteristics, but all refer to this thing.
It is necessary for our generation to study this chemical and be familiar with its various different names. Different names are circulated differently in the chemical industry. Or due to differences in regions, or due to differences in habits, their names are different. However, their essence is 2-amino-5-chlorobenzenesulfonic acid.
Therefore, as a chemist, it is necessary to scrutinize his name carefully, whether it is a scientific name or a common name, and to distinguish it. During the discussion and exchange, there should be no confusion, so as to facilitate the smooth flow of chemical research, and also to make chemical things progress in an orderly manner.

Safety & Operational Standards

Safety and Handling Specifications for 2-Amino-5-chlorobenzenesulfonic Acid
Fu2-Amino-5-chlorobenzenesulfonic Acid is a common compound in chemical research. In its experiment and production process, safety and operating standards are of paramount importance.
For storage, choose a cool, dry and well-ventilated place. Keep away from fire and heat sources to prevent accidents. Because of its certain chemical activity, it may come into contact with oxidants, acids, alkalis and other substances, or react violently. Therefore, all kinds of chemicals should be stored in categories, and mixed storage is strictly prohibited.
When operating, the operator must strictly abide by the procedures, wear protective clothing, protective gloves and goggles. If it comes into contact with the skin, quickly rinse with plenty of water, followed by soap; if it enters the eye, immediately open the eyelids, rinse with flowing water or normal saline, and seek medical attention.
In experimental or production sites, ventilation equipment must be complete to disperse harmful gases. During operation, do not eat, drink, or smoke to prevent harmful substances from ingesting into the body.
Waste disposal should not be underestimated. It must be collected in accordance with relevant regulations, classified, and handed over to professional institutions for treatment. It must not be discarded at will to avoid polluting the environment.
All these safety and operating standards are to ensure the safety of personnel, the environment is not damaged, and the experimental production is carried out smoothly. Chemical researchers should keep it in mind and practice it meticulously.

Application Area

2-Amino-5-chlorobenzenesulfonic acid is also an important product in the chemical industry. Its application field is quite extensive. In the dye industry, it can be used as a color developing agent, which helps the dye to be gorgeous, dyes fabrics and lasts for a long time. In the field of medicine, it is a raw material for synthesizing various medicines, or has antibacterial and anti-inflammatory effects, and treats patients' diseases. It is also used in the system of pesticides, which can increase the effect of pesticides and protect crops from insect pests.
This chemical, with its unique nature, is very useful in various application fields. It can add color to industry, help medicine and health, and escort agricultural harvest. It is an indispensable product in chemical research.

Research & Development

Today there is 2 - Amino - 5 - Chlorobenzenesulfonic Acid, which is very important in the field of my chemical research. The properties of this substance are related to the principle of reaction and the method of preparation, which are all important for our investigation.
To understand its research, first examine the way of its preparation. After many tests, find different paths, or from the selection of raw materials, or adjust the temperature and pressure of the reaction, observe its changes, and analyze the results. Only by obtaining a good method can its yield and quality be improved.
Furthermore, explore its application. It is useful in medicine, dyeing and weaving and other industries. In medicine, it can be the key to making good medicines; in dyeing and weaving, it can be a wonderful agent for adding color.
We should study it unremittingly to understand more of its mysteries, promote its development, and make it play a greater role in various industries, contributing to the progress of the world.

Toxicity Research

Modern chemistry is advanced, and the study of toxicants is particularly important. In today's view, the toxicity of 2-Amino-5-Chlorobenzenesulfonic Acid cannot be ignored.
Examine this compound in detail, its molecular structure is unique, or it contains a toxic base. Although it looks ordinary, it may have hidden harm in the body of living things. After various experiments, observe its effect on microorganisms, or cause their growth to slow down and their movements to be abnormal.
Also observe on plants, apply a liquid containing this substance, or turn the color of the leaves yellow, and lose vitality. As for higher animals, a small amount of contact may cause discomfort, and a large amount may endanger their lives.
Therefore, it is necessary to study the toxicity of this substance. It is necessary to collect extensive data and deeply investigate its reasons in order to understand its harm, protect the safety of all living beings, and avoid the danger of toxic substances.

Future Prospects

Husband 2 - Amino - 5 - Chlorobenzenesulfonic Acid, it is also a chemical thing. In this world, its research and application have never been seen.
Today's chemical craftsmen are exhausted in their wisdom, and want to explore more properties of this compound. Or can be used in the field of, its new use. Investigate its properties, or can make special effects, so as to save life and disease.
Or use the material as a way to develop its capabilities. Use its characteristics to create new types of materials, and use them in general equipment and equipment to make the equipment more refined and better.
Furthermore, in the synthesis of chemicals, there may be innovations. With its foundation, new methods are being developed to make the synthesis process more efficient and efficient, making great strides forward. This is the untapped promise of 2 - Amino - 5 - Chlorobenzenesulfonic Acid, which is still waiting to be seen.

Frequently Asked Questions

What are the main uses of 2-Amino-5-Chlorobenzenesulfonic Acid?

2-Amino-5-chlorobenzenesulfonic acid has a wide range of uses and is used in all fields of chemical industry.
It is used in the dye industry and can be a key raw material. The production of dyes depends on many compounds for their brilliant color. 2-Amino-5-chlorobenzenesulfonic acid can undergo specific chemical changes to participate in the construction of dye molecules. Taking reactive dyes as an example, this compound can introduce specific groups to make the dye and fiber materials can be tightly bound, so that the color fastness of the dye is good, and the color is also bright and lasting.
It is also important in the field of pharmaceutical and chemical industry. Drug synthesis often requires delicate molecular design and construction. The structural characteristics of 2-amino-5-chlorobenzenesulfonic acid enable it to be used as a pharmaceutical intermediate for the synthesis of certain pharmacological activities. After a multi-step reaction, it can be converted into pharmaceutical ingredients that have curative effects on specific diseases, such as in the synthesis of some antibacterial and anti-inflammatory drugs.
Furthermore, it is also indispensable for the manufacture of pesticides. To effectively remove pests and diseases, pesticides need a precise chemical structure. 2-amino-5-chlorobenzenesulfonic acid can be chemically modified to produce pesticide products with insecticidal, bactericidal or herbicidal effects. The pesticide molecules it participates in can be prepared by a specific mechanism for use in pests, bacteria or weeds to ensure the healthy growth of crops.
In addition, in the fields of surfactants and catalysts, 2-amino-5-chlorobenzenesulfonic acid may also have its uses. In the research and development of surfactants, it may affect the hydrophilic-lipophilic balance of molecules and optimize surface activity; in the field of catalysis, it may play a catalytic role in promoting certain chemical reactions by virtue of its special structure. In short, the multiple uses of this compound in the chemical industry make it an important chemical raw material.

What are the physical properties of 2-Amino-5-Chlorobenzenesulfonic Acid?

2-Amino-5-chlorobenzenesulfonic acid is an important category of organic compounds. It has the following physical properties:
This substance is usually in the state of white to light gray crystalline powder, which is fine in appearance. The powder appearance is conducive to its full participation in many chemical reactions, increasing the contact area between the reactants, making the reaction more efficient.
In terms of solubility, it has a certain solubility in water. This property is very important. Because many chemical processes are carried out in aqueous media, being soluble in water means that it can participate in various aqueous reactions, or use it as a carrier for reactants and catalysts in the aqueous phase. However, its solubility is not very high, and at a certain temperature and solvent ratio, it will reach a dissolution equilibrium.
When it comes to melting point, 2-amino-5-chlorobenzenesulfonic acid has a specific melting point value. The melting point is the inherent physical property of the substance, which can be used to identify the purity of the substance. If the purity is quite high, the melting point will appear in a relatively narrow temperature range; if it contains impurities, the melting point may decrease and the melting range becomes wider. Its melting point characteristics also affect its existence and stability under different temperature conditions.
In addition, 2-amino-5-chlorobenzenesulfonic acid has a certain hygroscopicity. In an environment with high humidity, it is easy to absorb moisture in the air, causing its own state to change, such as agglomeration. This characteristic requires special attention during storage and use. It should be placed in a dry environment to prevent moisture absorption from affecting its quality and performance.
Its density is also one of the important physical properties. Density reflects the mass of a substance per unit volume. In chemical production, transportation and other links, density data is of great significance to material measurement and equipment selection. Knowing its density can accurately plan the amount of materials in the production process and choose suitable storage and transportation containers.

What are the synthetic methods of 2-Amino-5-Chlorobenzenesulfonic Acid?

The synthesis method of 2-amino-5-chlorobenzenesulfonic acid has been known since ancient times. There are many methods and each has its own strengths. Today, it is detailed for you.
One of them can be prepared by reduction of 2-nitro-5-chlorobenzenesulfonic acid. In the past, people often used iron powder and hydrochloric acid as reducing agents to convert nitro groups into amino groups. In this reaction, under appropriate temperature and time, iron powder slowly interacts with hydrochloric acid to produce new hydrogen, which gradually reduces the nitro group in 2-nitro-5-chlorobenzenesulfonic acid to obtain 2-amino-5-chlorobenzenesulfonic acid. However, in this method, the amount of iron powder is quite large, and the subsequent treatment is complicated, resulting in a lot of iron mud, which is easy to cause environmental pollution.
Second, catalytic hydrogenation is also a commonly used method. In the presence of suitable catalysts, such as palladium carbon, platinum carbon, etc., hydrogen is introduced to make 2-nitro-5-chlorobenzenesulfonic acid hydrogenation and reduction reaction. This method has relatively mild reaction conditions, high product purity, and is environmentally friendly, resulting in very little waste. However, the catalyst cost is high, and it needs to be properly recycled to reduce costs.
Third, 2-aminobenzenesulfonic acid is used as the starting material, and the target product can be obtained by chlorination reaction. In the past, chlorine was mostly used as a chlorinating agent. Under the action of suitable solvents and catalysts, chlorine atoms replaced hydrogen atoms at specific positions on the benzene ring to generate 2-amino-5-chlorobenzenesulfonic acid. However, chlorine is more toxic, and extra caution is required during operation, and the control of reaction selectivity is also difficult.
Fourth, 5-chloro-2-acetaminobenzenesulfonic acid is also used as an intermediate, and the acetyl group is first hydrolyzed to obtain 2-amino-5-chlorobenzenesulfonic acid. This path can effectively protect the amino group and make the reaction more selective. However, the total yield may be affected due to the increase of reaction steps.
All these synthesis methods have advantages and disadvantages. It is necessary to weigh and choose according to actual needs, such as cost, product quality, environmental protection and other factors.

2-Amino-5-Chlorobenzenesulfonic Acid in storage and transportation

2-Amino-5-chlorobenzenesulfonic acid is a chemical substance, and many matters should be carefully paid attention to during storage and transportation.
Its nature or activity, and it is easy to react with other substances. Therefore, when storing, it is necessary to choose a dry, cool and well-ventilated place to avoid direct sunlight. Covering sunlight can cause it to heat up and promote the reaction. And it needs to be stored separately with oxidants, bases and other substances. Because of contact with it, it is easy to react violently and cause danger.
Where it is stored, the control of temperature and humidity is crucial. Too high temperature may increase its reactivity, and too low temperature may cause its physical state to change, which affects the quality. When the humidity is high, it may absorb moisture and deteriorate, so the temperature and humidity must be constant.
During transportation, the packaging must be solid and tight to prevent its leakage. Choose suitable transportation tools, according to their chemistry and danger, and comply with relevant regulations and standards. When loading and unloading, operators should be cautious. Wear protective equipment, such as protective clothing, gloves, goggles, etc., to avoid contact with skin and eyes. If they accidentally touch it, they should quickly rinse it with a lot of water and seek medical treatment.
Transportation route planning should not be ignored. Avoid densely populated areas and environmentally sensitive areas. If there are accidents such as leaks on the way, take emergency measures as soon as possible, evacuate the crowd, seal the scene, and report to relevant departments for handling. Therefore, Fangbao 2-amino-5-chlorobenzenesulfonic acid is safe during storage and transportation.

2-Amino-5-Chlorobenzenesulfonic impact of Acid on the environment

2-Amino-5-chlorobenzenesulfonic acid is an organic compound. Its impact on the environment is quite complex and cannot be ignored.
If this compound flows into the water body, it may cause water pollution. Because of its specific chemical structure, or it has adverse effects on the survival and reproduction of aquatic organisms. Aquatic organisms, such as fish, shellfish and plankton, may be disturbed by their physiological functions. Or affect their important life activities such as respiration, feeding, reproduction, etc., or even cause changes in population numbers and destroy the balance of water ecology.
In the soil environment, if 2-amino-5-chlorobenzenesulfonic acid accumulates too much, or changes the physical and chemical properties of the soil. It may affect the community structure and function of soil microorganisms, hinder the activities of microorganisms involved in material circulation and nutrient transformation in the soil, and then affect the absorption of nutrients by plant roots, which is unfavorable to the growth and development of vegetation, or indirectly affect various organisms that depend on plants for survival.
And in the atmospheric environment, although it has little direct volatilization effect, if the relevant production process is not properly handled, the exhaust gas emissions containing this compound will be diffused through the atmosphere, or settled to the ground and water bodies, which will also have a chain impact on the environment. In short, 2-amino-5-chlorobenzenesulfonic acid may have negative effects on many aspects of the environment, and its production, use and discharge need to be properly controlled to protect the ecological environment.