Pyridine-3-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	563701
Name	Pyridine-3-Sulphonic Acid
Chemical Formula	C5H5NO3S
Molar Mass	159.16 g/mol
Appearance	White to off - white crystalline powder
Solubility In Water	Soluble
Melting Point	280 - 282 °C
Pka Value	~0.74
Odor	Odorless
Stability	Stable under normal conditions

Packing & Storage

Packing	Pyridine - 3 - Sulphonic Acid packaged in 5 - kg bags for easy handling.
Storage	Pyridine - 3 - Sulphonic Acid should be stored in a cool, dry place. Keep it in a tightly - sealed container to prevent moisture absorption and contamination. Store away from incompatible substances like strong oxidizing agents. Choosing a well - ventilated storage area is crucial, minimizing risks of exposure to heat sources that could initiate decomposition or unwanted reactions.
Shipping	Pyridine - 3 - Sulphonic Acid is shipped in tightly sealed containers, typically made of corrosion - resistant materials. Shipments follow strict hazardous chemical regulations, ensuring proper handling and safety during transit to prevent spills and environmental hazards.

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General Information

Historical Development

The industry of chemical industry is changing with each passing day. There is a thing called Pyridine-3-Sulphonic Acid, which is quite useful in various fields of chemical industry.
Looking back in the past, the initial appearance of this thing depends on the research of various sages. At the beginning, the road of inquiry was full of thorns. If you want to analyze its nature and understand its use, it is not possible to do it day and night. The public worked hard and went through countless experiments to get something.
At the beginning, I only knew a little about its characteristics, and I was still exploring the way of application. However, with the passage of time, the number of researchers has increased, and their understanding has gradually deepened. The method of self-synthesis and the detailed investigation of nature have all improved. The field of its application has also become more extensive since it was narrow, and it has emerged in the pharmaceutical, dyeing and weaving industries, contributing to the prosperity of industry. The development process of Pyridine-3-Sulphonic Acid is really the cohesion of the efforts of many scholars, and it also adds a brilliant chapter to the history of chemical industry.

Product Overview

Pyridine-3-sulfonic acid is also a chemical compound. Its shape is often solid, and the color is either white or nearly white. This material is soluble in water and has a certain degree of acidity.
Its method is the way to multi-chemical synthesis. Start with a specific material, and it can only be obtained by carefully controlling the components, such as degree and catalysis.
The use of pyridine-3-sulfonic acid is very important. It can be used as an important medium and aid for molecular construction. In some materials, it is also indispensable to improve the properties of materials. It plays an important role in chemical research and engineering, and promotes the development of multiphase technology.

Physical & Chemical Properties

The physical and chemical properties of pyridine-3-sulfonic acid are particularly important. Looking at its shape, at room temperature, it mostly shows a white crystalline state, like a fine powder, pure and positive color. Its melting point is quite considerable, about a specific value, this property is very critical when distinguishing and purifying.
Solubility is also its significant characteristic, soluble in water, just like fish get water, this is because of the wonderful molecular structure, and it is in harmony with water molecules. As for chemical properties, it is acidic and sulfonic acid. In chemical reactions, it can be used as an acid to participate, neutralizing with alkali substances, just like yin and yang, forming salt compounds. And its stability is also good. Under normal conditions, it is not easy to decompose and deteriorate, and can be stored for a long time for experiments and applications. It is a substance that cannot be ignored in chemical research and industrial production.

Technical Specifications & Labeling

This is the technical specifications and labeling (product parameters) of Pyridine-3-Sulphonic Acid. The properties of this product are white crystalline powder with a slight odor. Its purity is the key, and it needs to be above 99% to meet the specifications. The melting point range should be between 340-345 ° C, and the error should not be too large.
In terms of labeling, the packaging must be marked with the words "Pyridine-3-Sulphonic Acid", and a warning label is attached to warn safety. The weight of each package is usually 25 kg, with an error of ± 0.5 kg. Storage is also particular. It should be kept in a cool and dry place, protected from heat and moisture, to prevent quality changes. In this way, the product quality and application safety can be guaranteed.

Preparation Method

"Method of Making Pyridine-3 - Sulphonic Acid"
To make Pyridine-3 - Sulphonic Acid, the raw materials and production process, reaction steps and catalytic mechanism are the key. Prepare Pyridine as the base material, take an appropriate amount, and place it in a special reactor. With concentrated sulfuric acid as the sulfonating agent, slowly inject it into the kettle, stir while injecting, control its rate, and prevent overreaction.
The reaction steps are rigorous, and the temperature is raised to a suitable temperature, about 150-180 degrees Celsius, to maintain a constant temperature. At this temperature, pyridine and concentrated sulfuric acid undergo a sulfonation reaction. During the period, observe closely to observe its reaction signs.
The catalytic mechanism is also heavy. Adding a little specific catalyst can accelerate the reaction and improve the yield. After the reaction is completed, a series of post-treatments, such as neutralization and purification, are obtained to obtain the finished product of Pyridine-3-Sulphonic Acid. In this way, the product has good purity and can meet various needs.

Chemical Reactions & Modifications

I have tried to study Pyridine-3-Sulphonic Acid. Its chemical reaction and modification are related to many wonders.
At the beginning, I wanted to find the best state of its chemical reaction, and tried many paths. Or adjust the temperature, or change the amount of reagent, but the effect is not as expected. Its properties seem to be stable, and it is difficult to move.
After thinking about the method of the ancients, refer to the theory of ancient books, and change to catalysis. Choose a suitable catalyst and enter it into the reaction system. Anomalies begin to appear, and the reaction becomes more and more active.
And above solvents, there is also an exquisite study. Easy to use different solvents, and observe their effects on chemical reaction and physical properties. Select the good agent to increase the reaction speed and the quality of the product is also excellent.
After various explorations, I have a little experience in the transformation and modification of Pyridine-3-Sulphonic Acid. The nature of the material is variable, and the transformation should be adjusted according to the method. This is what should be realized when studying chemistry.

Synonyms & Product Names

"Congeners and Product Names of Pyridine-3-Sulfonic Acid"
Pyridine-3-sulfonic acid is also a chemical substance. The names of its congeners are also many. Or 3-pyridine sulfonic acid, which is directly called according to its structure, indicating that its sulfonic acid group is attached to the third position of pyridine. Also known as pyridine - β - sulfonic acid, it is represented by the Greek letter β.
As for the trade name, it is also another name in the chemical market. However, it all refers to the same substance. This substance is widely used in the chemical industry and can be used as a raw material for organic synthesis to help form a variety of fine chemicals. Therefore, it is crucial for chemical practitioners and researchers to clarify the names and trade names of their equivalents, so as to avoid communication and misunderstanding, and to gain a smooth understanding of research and production.

Safety & Operational Standards

Pyridine-3 - Sulphonic Acid is also a chemical substance. The raw material should be used in a safe manner, and the operation should be followed before it can be used.
It is necessary to wear the clothes used in the construction, and the people who work should keep the safety. When entering the building, you must wear the clothes you use, and wear the gloves you wear to prevent the accumulation of harmful materials. There is also a fixed method for the storage of raw materials. Pyridine-3 - Sulphonic Acid should be placed in a dry place to avoid the source of fire, and it should be distributed to prevent mutual reaction.
The operation is very important. According to the established process, control the degree of reversal and the ratio of reversal. Every step should not be neglected. If there is a bad pool, the quality of the product will be poor, and the safety will be seriously endangered.
Once the product is ready, the package should not be small. The package must be shipped, and the warning should be clearly indicated. On the way, in a proper way, shock absorption and collision will be exposed.
And in the use of the location, it must be explained before use, and it should be operated according to the method of protection.
As for the safe operation of Pyridine-3 - Sulphonic Acid, it involves manufacturing, storage, and use. All those who work hard are committed to their hearts and obey them, so that they can maintain the safety of life, the safety of the environment, and promote the orderly development of work.

Application Area

Pyridine - 3 - Sulphonic Acid is also used to transform things. Its use, in the field of

Research & Development

I have been studying pyridine-3-sulfonic acid for a long time. This compound is unique and has a wide range of applications. At first, I observed its exquisite structure, and I thought it would be of great use. Then I immersed myself in the study, wanting to explore the mystery.
Begin to study the method of its synthesis. Try all kinds of paths, either because the raw materials are rare, or because the steps are cumbersome, but no good results have been obtained. However, I was not discouraged, and I tried again and again. After repeated investigation, I found a method. Although there are difficulties, I was able to eventually make this product.
Both obtained and studied its properties. Observe its physical characteristics, measure its chemical properties, and record them in detail. Then think about its application, and try it in the fields of medicine and materials. In medicine, it may help to develop new drugs and relieve diseases for patients; in materials, it may add new properties and make materials better.
At present, the research of pyridine-3-sulfonic acid has gradually progressed, but the road ahead is still far away. I will make unremitting efforts to make it more rational and widely used, adding luster to Xuelin and helping the world.

Toxicity Research

The toxicity of pyridine-3-sulfonic acid in this study is of great significance. Examine this substance in detail, and observe its impact on living things in various experiments. If you try it on rats, if you ingest this product, you may be tired and your diet will gradually become sparse; in severe cases, your limbs will tremble and your life will be worried.
And look at its effect on plants, sown in the soil, the germination is slow, the stems and leaves are weak, and the growth potential is greatly inhibited. In the environment, if this product flows into the water source, aquatic things will not be spared, or the population will wither.
However, the test of toxicity is not achieved overnight, and it needs to go through many inquiries, considering dosage, duration, and environmental variables, in order to accurately clarify its harm. Therefore, for the sake of today's plan, we should carefully study its toxicity to preserve the safety of life and the environment.

Future Prospects

In today's world, science and technology are changing day by day, and in the field of chemistry, there is no shortage of fantastic ideas. Pyridine-3-Sulphonic Acid, the future prospect of this product, is really eagerly awaited.
This product is also in various industries, or it can make a name for itself. In medicine and chemical industry, it can be the foundation for creating new drugs, helping to overcome difficult diseases and save people from illness. In material science, it can optimize material properties, making utensils more tough and durable, and can be used in various fields, such as aerospace equipment and vehicle parts.
And its research should also strive for excellence. If a better synthesis path can be explored, the yield can be improved, and the cost can be reduced, it will be widely used. It can also deeply study its characteristics and explore unknown applications. In the future, it may be able to shine on the road of green chemistry and make outstanding contributions to the environmental protection industry.
Our generation of chemical researchers, when we work hard to open up its unseen territory, hope to see it widely spread in the world and benefit the common people in the future, this is our hope for the future development of Pyridine-3 - Sulphonic Acid.

Frequently Asked Questions

What are the main uses of Pyridine-3-Sulphonic Acid?

Pyridine-3-sulfonic acid has a wide range of uses. In the field of medicine, it is a key synthetic raw material. Cover the preparation of many drugs, rely on it as a starting material, through a series of delicate chemical reactions, to obtain the required active ingredients. For example, some antibacterial drugs, the structural characteristics of pyridine-3-sulfonic acid can make the synthetic drug have good antibacterial activity, help it penetrate the bacterial cell wall, inhibit bacterial growth and reproduction.
In the dye industry, it also has important functions. It can be used as a key intermediate for the synthesis of specific dyes. Due to its unique chemical structure, after modification and transformation, it can endow the dye with excellent dyeing properties, such as good light resistance and washing resistance. The dyes made on its basis are bright and long-lasting, and are widely used in fabric dyeing and other fields to make fabrics colorful and long-lasting.
In the manufacture of pesticides, pyridine-3-sulfonic acid is also indispensable. It is often an important component in the synthesis of high-efficiency pesticides. Through clever chemical synthesis, pesticides with efficient control of crop diseases and insect pests can be prepared. Such pesticides can not only precisely kill pests and inhibit pathogens, but also have little impact on the environment, contributing to the sustainable development of agriculture.
In addition, in the fields of materials science, pyridine-3-sulfonic acid has also emerged. Or used to synthesize polymer materials with special properties, improve the physical and chemical properties of materials, such as enhancing the stability and mechanical properties of materials, and contribute to the progress of materials science. In short, pyridine-3-sulfonic acid has key uses in many fields, promoting the development and progress of various industries.

What are the physical properties of Pyridine-3-Sulphonic Acid?

Pyridine-3-sulfonic acid is an organic compound. Its physical properties are quite important, let me talk about them one by one.
Looking at its appearance, under room temperature and pressure, it mostly shows a white to light yellow crystalline powder state. This appearance is clearly recognizable, which is the first characterization of this substance.
When it comes to solubility, pyridine-3-sulfonic acid exhibits good solubility in water. This is due to the sulfonic acid group in the molecular structure. The sulfonic acid group has strong hydrophilicity and can interact with water molecules through hydrogen bonding, making the substance easily soluble in water. In organic solvents, its solubility varies depending on the type of solvent. In polar organic solvents such as methanol and ethanol, the solubility is acceptable, but in non-polar organic solvents such as benzene and n-hexane, the solubility is poor, which is due to the principle of similar dissolution.
In terms of melting point, pyridine-3-sulfonic acid has a specific melting point value. After experimental determination, its melting point is within a certain range, and this melting point characteristic is of great significance for the identification and purification of the substance. By accurately measuring the melting point, the purity of the substance can be judged. If the purity of the substance is high, the melting point is close to the theoretical value and the melting range is narrow; if it contains impurities, the melting point is reduced and the melting range is widened.
Furthermore, its density is also an important physical property. The substance has a certain density, and this density value reflects its mass per unit volume, which plays a key role in the measurement and ratio of materials in practical applications such as chemical production.
In addition, the chemical properties of pyridine-3-sulfonic acid are relatively stable at room temperature, but under specific conditions such as high temperature, strong acid and alkali environment, the molecular structure may change, triggering corresponding chemical reactions. Although this involves the category of chemical properties, it is related to physical properties. When the physical state is changed due to external conditions, it may also affect its chemical stability. To sum up, the physical properties of pyridine-3-sulfonic acid, from appearance, solubility, melting point to density, are of indispensable significance for its research and application.

What are the synthetic methods of Pyridine-3-Sulphonic Acid?

The synthesis method of pyridine-3-sulfonic acid has existed in ancient times, and is described in detail as follows.
First, pyridine is used as the starting material and obtained by sulfonation reaction. In the reactor, an appropriate amount of pyridine is added, and concentrated sulfuric acid is used as the sulfonation reagent. During the reaction, the temperature needs to be strictly controlled. Start at low temperature, slowly heat up to a specific temperature range, and maintain this temperature for the reaction. In this process, the sulfonic acid group of concentrated sulfuric acid attacks the 3-position of the pyridine ring, and after a series of complex chemical changes, the final product is pyridine-3-sulfonic acid. After the reaction is completed, the product is separated and purified, and methods such as recrystallization can be used to obtain a purified product.
Second, 3-methylpyridine can also be used as a raw material. First, 3-methylpyridine is oxidized, and a suitable oxidant can be selected, such as potassium permanganate. The oxidation process, the conditions are very critical, and the reaction temperature, oxidant dosage and other factors must be paid attention to. The methyl group of 3-methylpyridine is oxidized and converted to a carboxyl group, and then the sulfonation reaction is carried out. Similar to the previous method, pyridine-3-sulfonic acid can be obtained by using concentrated sulfuric acid as a sulfonating agent through reaction, separation, purification and other steps.
Third, there is a method to synthesize pyridine derivatives with specific pyridine derivatives as starting materials through a multi-step reaction. First, the functional groups of the pyridine derivatives are modified, and then the sulfonic acid groups are This process is more complicated, and the reaction conditions of each step need to be carefully regulated to ensure the smooth progress of the reaction and the purity of the product.
All these synthesis methods have their own advantages and disadvantages. With pyridine direct sulfonation, the raw material is easy to obtain, but the reaction selectivity may need to be optimized; with 3-methylpyridine as the raw material, there are a few more steps, but the purity and yield of the product can be improved to a certain extent; with pyridine derivatives as the starting material, although the synthesis method is complicated, it can accurately synthesize the target product according to specific needs. In practical applications, when choosing the best one according to the specific situation, use it.

Which industries are Pyridine-3-Sulphonic Acid used in?

Pyridine-3-sulfonic acid, a particularly important organic compound, has shown significant applications in many industries.
In the pharmaceutical industry, its status is quite important. Due to its unique chemical structure, it can be used as a key intermediate for the synthesis of a wide variety of drugs. For example, in the development of antibacterial drugs, pyridine-3-sulfonic acid can impart specific active groups to drug molecules, enhancing the drug's ability to inhibit and kill bacteria. In the development of anti-cancer drugs, it can also participate in the construction of targeted drug structures, helping to improve the precise strike effect of drugs on cancer cells and reduce damage to normal cells.
In the dye industry, pyridine-3-sulfonic acid also has outstanding performance. With its characteristics that can be combined with a variety of chromophore groups, it can greatly expand the color gamut of dyes, improve the color brightness and fastness of dyes. Whether it is used for dyeing textile fabrics, or for coloring paper, leather and other materials, pyridine-3-sulfonic acid can be used to improve the performance of dyes, making the dyed material lasting and bright.
Furthermore, in the field of pesticides, pyridine-3-sulfonic acid also plays a key role. Pesticides synthesized from it have efficient pest control effects. It can participate in the construction of active ingredients of pesticides, change the physiological and metabolic pathways of pests, and interfere with the growth and reproduction process of pests, so as to achieve good insecticidal and insect repellent effects, providing strong support for the prevention and control of agricultural production.
In addition, in the fine chemical industry, pyridine-3-sulfonic acid is often used to synthesize various special chemicals. Such as high-performance surfactants, catalyst aids, etc., all need to use the special structure and properties of pyridine-3-sulfonic acid to optimize the performance of products and meet the needs of different industrial production and application scenarios.

Pyridine-3-Sulphonic the market outlook for Acid?

Pyridine-3-sulfonic acid is a crucial organic compound in the field of fine chemicals. It has shown broad application prospects in many industries, so the market prospect is quite promising.
In the field of medicine, pyridine-3-sulfonic acid is a key intermediate. With its unique chemical structure, it can be used to synthesize a variety of drugs. For example, in the development of some antimicrobial drugs and drugs for the treatment of cardiovascular diseases, it is often used as a base material to construct molecular structures with specific pharmacological activities through a series of complex chemical reactions. With the growth of the global population and the increasing emphasis on health, the demand for pyridine-3-sulfonic acid in the pharmaceutical industry is expected to rise steadily.
In the dye industry, pyridine-3-sulfonic acid also plays an indispensable role. Because it can endow dyes with unique properties, such as improving dye stability and enhancing dyeing fastness. With the continuous development of textile, printing and dyeing industries, the demand for high-quality dyes is increasing, which in turn drives the market demand for pyridine-3-sulfonic acid. Especially in the field of high-end textiles that pursue bright colors and durability, the importance of pyridine-3-sulfonic acid is becoming increasingly prominent.
In addition, in the field of pesticides, pyridine-3-sulfonic acid can be used as an important raw material for the synthesis of new pesticides. New pesticides need to have high efficiency, low toxicity, environmental protection and other characteristics. The chemical properties of pyridine-3-sulfonic acid enable it to meet these requirements and provide better protection for agricultural production. With the increasing attention to food safety and environmental protection, the development of green pesticides has become a trend, which undoubtedly creates new market opportunities for pyridine-3-sulfonic acid.
However, the market also faces some challenges. The production process of pyridine-3-sulfonic acid is relatively complex and the production cost is high, which limits its marketing activities to a certain extent. However, with the continuous advancement of technology, the new production process is expected to reduce costs and enhance product competitiveness. At the same time, the market competition is also more intense, and many manufacturers need to continuously improve product quality and R & D capabilities to occupy a place in the market.
Overall, the market prospect of pyridine-3-sulfonic acid is optimistic due to its wide application in medicine, dyes, pesticides and other industries. Despite the challenges of cost and competition, with the development of various industries and technological innovation, its market demand is expected to continue to grow and has great development potential.