4-Chloroaniline-2-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	641732
Chemical Formula	C6H6ClNO3S
Molar Mass	207.64 g/mol
Appearance	White to off - white solid
Solubility In Water	Slightly soluble
Melting Point	Around 178 - 182 °C
Boiling Point	Decomposes before boiling
Pka Value	Indicates acidic nature related to the sulphonic acid group
Density	Specific density data would depend on the physical state and measurement conditions
Odor	May have a faint, characteristic odor
Stability	Stable under normal conditions, but may react with strong oxidizing agents

Packing & Storage

Packing	50 - kg sacks of 4 - Chloroaniline - 2 - Sulphonic Acid, well - sealed for chemical protection.
Storage	4 - Chloroaniline - 2 - Sulphonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat, flames, and sources of ignition as it may pose a fire risk. Store in a tightly - sealed container to prevent moisture absorption and potential degradation. Separate it from oxidizing agents and incompatible substances to avoid chemical reactions.
Shipping	4 - Chloroaniline - 2 - Sulphonic Acid is shipped in suitable, tightly - sealed containers to prevent leakage. Transport must comply with hazardous chemical shipping regulations, ensuring proper ventilation and secure handling during 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

4-Chloroaniline-2-sulfonic acid, the origin of this substance can be traced back to the past. The chemical technology of the past was not as sophisticated as it is today, but those who were interested in chemical explorers have already revealed their intention to study it.
At the beginning, everyone in the laboratory gradually explored the way of its synthesis with exquisite methods. After countless attempts, or due to the choice of raw materials, or due to the control of conditions, they were repeatedly frustrated. However, the researchers are determined to grind it repeatedly.
With the passage of time, chemical technology has advanced by thousands of miles. The research on 4-chloroaniline-2-sulfonic acid is also gradually improving. The synthesis method is improving day by day, and the yield is also rising steadily. Its application field has also gradually expanded with the deepening of research, showing its skills in dyes, medicine and other industries, contributing to the development of various industries, and leaving a unique track in the long history of chemistry.

Product Overview

4-Chloroaniline-2-sulfonic acid is an important substance in chemical research. Its unique properties are white to off-white crystalline powder with a certain solubility in water. This compound plays a key role in the field of dye synthesis. It is often used as a raw material for the preparation of dyes of specific colors, which can make the dyes bright and stable. During the reaction, its chemical activity is quite good, and it can be skillfully combined with a variety of reagents. After specific reaction steps, the desired product can be precisely generated. In terms of storage, it needs to be placed in a dry, cool place to avoid moisture and high temperature to prevent its properties from changing. In this way, it can ensure that this compound can play its due role in various applications and promote the progress of related chemical research and industrial production.

Physical & Chemical Properties

4-Chloroaniline-2-sulfonic acid is also a chemical substance. Its physical and chemical properties can be quite studied. Looking at its color, it is often white to light yellow, if the powder is crystalline, the shape is different. If you smell it, the breath is very small and almost invisible.
In terms of its solubility, it is slightly soluble in water, but it also has different performances in organic solvents such as alcohols and ethers. This is because of its molecular structure, containing chlorine, amino groups, and sulfonic acid groups. Each has its own properties and interacts, resulting in its solubility.
As for its stability, it is still stable under normal circumstances. However, in the case of strong acids and bases, or hot topics, the molecular structure is volatile and chemical reactions occur. Therefore, the physical and chemical properties of 4-chloroaniline-2-sulfonic acid are closely related to its molecular structure. To understand this material, it is necessary to study them in detail.

Technical Specifications & Labeling

4-Chloroaniline-2-sulfonic acid is an important product in the chemical industry. Its process specifications and standards (commodity parameters) are related to the quality and use of the product.
To make this product, strict methods need to be followed. The choice of raw materials must be pure, and the ratio must also be accurate. When reacting, temperature and duration are the key. Temperature control in a suitable area and punctuality in a predetermined period can promote the smooth reaction and obtain high-quality products.
There are also criteria for the identification of its quality. Looking at its color, it should be pure and free of impurities; measuring its properties, all parameters should meet the standards. The content of impurities must be strictly controlled at a low limit, so as not to affect its performance. Only process compliance, identification method, this 4 - chloroaniline - 2 - sulfonic acid can be used in industry, to show its ability, live up to expectations.

Preparation Method

The method of making 4-chloroaniline-2-sulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. First take an appropriate amount of aniline as raw material, dissolve it in a specific organic solvent, and stir evenly. In a low temperature environment, slowly add chlorosulfonic acid dropwise. This process requires careful control of the dropwise speed and temperature to prevent the reaction from being too violent. After the dropwise addition is completed, maintain a certain temperature and continue to stir the reaction for several hours. When the reaction is initially completed, heat up to a suitable temperature for deep reaction to make the reaction more complete.
The catalytic mechanism used in the reaction, the selection of a high-efficiency catalyst can speed up the reaction rate and improve the product generation efficiency. After the reaction is completed, the crude product is obtained through subsequent processing steps such as cooling and filtration The high purity product of 4-chloroaniline-2-sulfonic acid is obtained by refining and removing impurities in an appropriate way. In this preparation method, each step is linked, and the selection of raw materials, the control of reaction conditions and the use of catalytic mechanisms are all key to obtain high-quality products.

Chemical Reactions & Modifications

4 - Chloroaniline - 2 - Sulphonic Acid is also a chemical substance. Its chemical and reverse modification is the main concern of those who study it.
In the chemical and reverse reaction, 4 - Chloroaniline - 2 - Sulphonic Acid is often involved in the general reaction. Or because of its chlorine group, amino group and sulfonic acid group characteristics, it can cause nuclear substitution and acid reaction of other substances. In case of sulfonic acid, the sulfonic acid group may be acidic and neutralized; chlorine group may be attacked by the chemical nucleus, resulting in the generation of substitution and reaction.
For modification, it can be improved by chemical means. Or introduce other groups to reduce its physical and chemical properties. Such as access to specific functions, change its solubility and characterization. This can make 4-Chloroaniline-2-Sulphonic Acid more useful for work and scientific research. The author should deeply study its anti-modification theory in order to improve the new research environment and make this product more beneficial to the world.

Synonyms & Product Names

4-Chloroaniline-2-sulfonic acid has many synonymous names. In the past, the names of various sages in the chemical industry were different, some were famous for their chemical structure characteristics, and some were also commonly used in the industry.
Or the name is p-chloro-aminobenzenesulfonic acid, because of its molecular structure, the chlorine atom is in the opposite position of the amino group, and the sulfonic acid group is adjacent to the amino group, so it has this name. It is also called 2-sulfonic acid-4-chloroaniline, which is named from different perspectives according to the chemical naming rules.
In the field of industry and commerce, various merchants also have their own names, and all want to promote this product under the name of simplicity and easy to remember. Although the names are different, they all refer to this 4-chloroaniline-2-sulfonic acid. All different names are the embodiment of different stages and different groups' cognition in the development process of chemical industry, but their essence has not changed.

Safety & Operational Standards

Safety and Handling Specifications for 4-Chloroaniline-2-Sulfonic Acid
For 4-chloroaniline-2-sulfonic acid, chemical products are also used. When preparing, storing and using it, follow safety and handling specifications to prevent hazards.
When preparing, all raw materials and reagents should be accurately weighed and properly mixed. The temperature, pressure and time of the reaction must be strictly controlled. Operators, in front of suitable protective equipment, such as protective clothing, gloves, goggles, etc., to avoid contact between raw materials and products with skin, eyes, and injury.
During the storage period, the product should be placed in a cool, dry and well-ventilated place, away from fire, heat and oxidants. Do not mix with acids, alkalis and other substances to prevent reaction. Packaging should be intact, with clear labels, and the name of the product, its nature, hazards and emergency disposal methods should be clearly written.
When using, the operation should be slow and careful. Do it in a fume hood to prevent the accumulation of harmful gases. The amount used should be taken as needed, and it should not be wasted. If it is accidentally splashed on the skin or eyes, rinse with plenty of water quickly and seek medical attention in time.
When discarded, it should be properly disposed of in accordance with relevant laws and regulations, and should not be discarded at will to avoid polluting the environment.
In conclusion, the safety and operating standards of 4-chloroaniline-2-sulfonic acid are related to the safety of personnel and the well-being of the environment, and all practitioners should keep it in mind and abide by it.

Application Area

4-Chloroaniline-2-sulfonic acid is an important category of chemical industry. Its application field is quite wide. In the dye production industry, this product can be used as a key raw material. Based on it, it can produce colorful dyes, dye the color of fabrics, make them bright and moving, and the color will not fade for a long time.
In the field of pharmaceutical synthesis, it is also indispensable. Through fine chemical changes, it can be converted into pharmaceutical ingredients with special curative effects, helping to heal pain. Furthermore, in the preparation of some special chemical preparations, 4-chloroaniline-2-sulfonic acid can also play a unique role and assist in the preparation of the unique properties of the preparation. From this point of view, it plays a pivotal role in many application fields and has a profound impact on the development of chemical, pharmaceutical and other industries.

Research & Development

The rise of modern chemistry is in the study of matter and the pursuit of daily essence. 4 - Chloroaniline - 2 - Sulphonic Acid This thing is also important to scholars.
We study it to explore its properties and its system. At the beginning, we want to understand its physical characteristics, such as color, state, taste, degree of melting and boiling, and the number of solubilities. Next, we study its chemical properties, correspond to various things, and find out how to change them.
As for the method of preparation, we have tried it all. Or use ancient methods to improve, or explore new ways. After repeated experiments, observe the influence of various factors, such as temperature, pressure, and the amount of agent. Hope to obtain an efficient and pure method.
Looking to the future, I hope this material will be widely used in the fields of industry, agriculture and medicine. With our research and pursuit, we will promote its development and contribute to the progress of the world, so that the brilliance of this science will shine on all directions.

Toxicity Research

Study on the toxicity of 4-chloroaniline-2-sulfonic acid
The taste of the substance is related to safety. Today, the study of the toxicity of 4-chloroaniline-2-sulfonic acid is quite important.
The toxicity of this substance is related to human health. It may enter the body through the mouth and nose, damaging the function of the viscera. The viscera are the root of human beings. If they are harmed by it, the qi and blood are not smooth, and various diseases are prone to occur. It is also irritating to the skin and mucous membranes. Touch it, the skin or swelling is red, itchy, and the mucous membranes are uncomfortable, affecting life.
And this substance is also harmful in the environment. It is difficult for aquatic organisms to survive in water bodies, sewage sources, and aquatic organisms. In the soil, the soil quality is bad, and the growth of plants is hindered.
Therefore, studying its toxicity and understanding its harm can be used as evidence for protection, to ensure people's safety and protect the environment. Keep living people away from its harm, and all things coexist harmoniously.

Future Prospects

Husband 4 - Chloroaniline - 2 - Sulphonic Acid, it is also a thing of transformation. Today, I will study its research and development, and hope for its future development.
This object is used in the field of chemical application. Or it can be used in the manufacture of dyes, because of its characteristics, it can make the color of dyes better and the fastness is better. And in the way of material research, it also has its own capabilities. Or it can be used in the process, to help the new generation, the first step of the process.
In the future, we hope that the synthesis method can be more exquisite. Strive to improve efficiency and reduce consumption, in order to conform to the concept of colorization. And in the exploration of performance, we also hope to be more efficient. In this way, 4 - Chloroaniline - 2 - Sulphonic Acid will surely be able to expand its color and promote the prosperity of many fields.

Frequently Asked Questions

What are the main uses of 4-chloroaniline-2-sulfonic acid?

4-Bromothiophene-2-carboxylic acid is a crucial raw material in organic synthesis and is widely used in many fields.
First, in the field of medicinal chemistry, this compound is often used as a key intermediate to synthesize pharmaceutical molecules with specific biological activities. For example, in the development of antibacterial and anti-inflammatory drugs, 4-bromothiophene-2-carboxylic acid can be introduced into the molecular structure of the drug through a series of chemical reactions, which in turn endows the drug with unique pharmacological properties to achieve the purpose of treating corresponding diseases.
Second, in the field of materials science, it also has important uses. It can be used to prepare functional materials, such as organic optoelectronic materials. With its special chemical structure, through appropriate chemical modification and synthesis process, materials with unique photoelectric properties can be constructed, which can be used in organic Light Emitting Diode (OLED), solar cells and other devices to improve their performance and efficiency.
Third, in the field of pesticide chemistry, 4-bromothiophene-2-carboxylic acid can be used as a key starting material for the synthesis of new pesticides. By reacting with other compounds, pesticide products with high efficacy against pests and relatively friendly to the environment can be prepared, providing strong support for pest control in agricultural production.
In summary, 4-bromothiophene-2-carboxylic acid plays an indispensable role in many fields such as drugs, materials, and pesticides due to its unique chemical structure, which has greatly promoted the development and progress of related industries.

What are the physical properties of 4-chloroaniline-2-sulfonic acid?

Acid is one of the most acidic acids, with general physical properties. Under normal conditions, it is a transparent liquid, but the workmanship may be slightly light-colored due to the pressure. Acid has a strong and irritating taste, and this taste is pungent. If people are in the environment of acid steaming, the nasal cavity, throat and other parts will not feel good.
Acid is highly acidic, and it is placed in the open. Chlorination escapes from the acid, and water steams in the air to combine to form small droplets of acid, which form white water at the mouth of the bottle. This phenomenon is very clear and can be used as the basis for acid.
Its density is also special. Generally speaking, the density of acid is higher than that of water. And the density of acid is different from that of water. The higher the degree, the greater the density. For example, the commonly used acid has a density of 1.19g/cm ³.
The acid is easily soluble in water, and it can be mutually soluble regardless of the proportion of water mixed. In the dissolution process, put a certain amount. If the acid is dilute, it is necessary to slowly inject the acid into the water along the wall of the container, and mix it with the glass rod. In order to make the amount disperse evenly, prevent the local high temperature from causing the liquid to malfunction and endanger safety.
The boiling degree of the acid is different, generally the boiling degree of the acid is 108.6 ° C. And its melting degree also varies, about -27.32 ° C.
In addition, the physical properties of acid are very important in many fields such as chemical, industrial and biological, etc. It is important because of its characteristics. However, due to its irritation, decay, etc., it is also necessary to pay special attention to safety when using acid.

Is 4-chloroaniline-2-sulfonic acid chemically stable?

Those who observe acid have a calm and stable nature. Although they are not as strong as gold and stone, they can maintain their own nature under ordinary circumstances.
Observe the reactions, and compare with the lively quality, observe the sudden change of acid. In a warm and normal environment, its state is quiet, and it is not easy to combine with the surrounding objects. If it encounters alkalis, it will also gradually merge, forming salt and water, without the appearance of violence.
Try to burn it with fire, and the acid will not change significantly. It boils and dissolves gas, which also follows the normal law, unlike other things that catch fire and suddenly ignite or explode. In the air, the acid is also less invaded by oxygen, and can maintain its original state for a long time, and is not quickly changed by foreign objects.
And observe its response to various metals, unlike strong acids, which erode rapidly. When it encounters with some metals, or retards hydrogen, or melts and remains in the liquid, it is not an urgent change. This all proves that the acid is stable, and in general chemical situations, it can maintain its quality and is not easily changed. However, if it is in a special situation, such as strong catalysis, high temperature and high pressure, or there are other responses, it is seen in this abnormal state, so it is often said that the chemical properties of the acid are relatively stable.

What is the synthesis method of 4-chloroaniline-2-sulfonic acid?

The synthesis of 4-bromopyridine-2-carboxylic acid is an important topic in chemical preparation. There are many methods, each with its advantages and disadvantages, and it should be selected according to the specific situation and needs.
First, pyridine is used as the starting material, through bromination reaction, bromine atoms are introduced at the 4th position of the pyridine ring, and then carboxylation reaction is used to introduce carboxyl groups at the 2nd position. In this way, the bromination step can choose suitable brominating agents, such as bromine, N-bromosuccinimide (NBS), etc., depending on the reaction conditions and yield requirements. When carboxylation, metal-organic reagents, such as Grignard reagent or lithium reagent, can be used to react with carbon dioxide to introduce carboxyl groups. Range's reagent requires anhydrous and oxygen-free conditions, and the operation is slightly complicated.
Second, starting from 2-pyridine carboxylic acid, bromine atoms are introduced at the 4th position by halogenation reaction. The starting material of this path already has a carboxyl group, and the focus is on the halogenation step. The choice of halogenating agent and the control of reaction conditions are very important to achieve high yield and high selectivity. For example, with appropriate halogenating agent and catalyst, the reaction temperature, time and other parameters are optimized.
Third, other compounds containing pyridine structure are also used as starting materials to construct target molecules through a series of reactions. Such as specific substituted pyridine derivatives, through functional group conversion, rearrangement and other reactions, the synthesis of 4-bromopyridine-2-carboxylic acid is achieved. This approach may require careful design and preparation of the starting material, but it may have unique advantages, such as avoiding certain side reactions and improving the purity of the product.
In short, there are various methods for the synthesis of 4-bromopyridine-2-carboxylic acid. Researchers need to weigh the availability of raw materials, the difficulty of reaction conditions, the yield and the purity of the product, and find the optimal solution to achieve the purpose of efficient, economical and environmentally friendly synthesis.

What are the precautions for 4-chloroaniline-2-sulfonic acid in storage and transportation?

Silicon-based storage and transmission, in the case of silicon-containing glass, everyone should pay attention to it.
When storing, the temperature and humidity of the environment are the first priority. If the temperature is high and the humidity is high, the performance of the storage device made of silicon-containing glass may be damaged, and the data may also be lost. Therefore, it is necessary to install constant-temperature greenhouses to ensure its stability. And to avoid strong shocks, silicon is brittle, and it is easy to crack when shocked, causing storage to be destroyed.
Furthermore, to prevent electromagnetic interference. Silicon-containing glass is in the place of electromagnetic disturbance, or causes data disturbance, so it should be shielded from electromagnetic intrusion.
When transmitting, speed and stability are essential. Although the transmission channel constructed by silica glass has a good transmission speed, it is also necessary to check whether it is blocked or damaged. If there is a fine injury, the signal may be attenuated or interrupted. Therefore, check it often to ensure its smooth flow.
Also, cleanliness is also a priority. If dirt accumulates on the surface of silica glass, it will not only affect the light efficiency of transmission, but also the quality of storage. When it is cleaned with a clean device and properly cleaned, do not hurt its surface.
In addition, human handling is also important. Operators must be familiar with the art, follow the procedures, do not act rashly, do not make mistakes, so as to keep the silica glass in storage and transmission, to the fullest of its function, without any mistakes.