4-Hydroxypyridine-3-Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	979055
Chemical Formula	C5H5NO4S
Molar Mass	173.163 g/mol
Appearance	Solid
Solubility In Water	Soluble
Pka Value	Around 2 - 3 (approximate, due to acidic groups)
Boiling Point	Decomposes before boiling
Melting Point	290 - 295 °C
Odor	Odorless
Stability	Stable under normal conditions, but may react with strong oxidizing agents

Packing & Storage

Packing	Packaging: 25 kg bags for 4 - Hydroxypyridine - 3 - Sulphonic Acid.
Storage	4 - Hydroxypyridine - 3 - Sulphonic Acid should be stored in a cool, dry, well - ventilated area, away from sources of heat, ignition, and direct sunlight. It should be placed in a tightly closed container to prevent contact with moisture. Store it separately from incompatible substances such as strong oxidizing or reducing agents to avoid potential reactions. This storage method helps maintain its stability and safety.
Shipping	4 - Hydroxypyridine - 3 - Sulphonic Acid is shipped in well - sealed containers appropriate for chemical substances. It's transported under conditions compliant with safety regulations to prevent spillage, ensuring secure transit to the destination.

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General Information

Historical Development

4-Hydroxypyridine-3-sulfonic acid is one of the chemical products. Its initial discovery originated from the research of various scholars. At that time, the road of exploration was full of thorns, but scholars adhered to the determination and made unremitting explorations.
At the beginning, the understanding of its properties was still shallow, and only a little bit was known. However, over the years, after countless experiments and analyses, its structural characteristics have gradually become clear. With the evolution of science and technology, the preparation method has become increasingly exquisite. The complicated and inefficient methods in the past are gradually replaced by simple and efficient techniques. As a result, the production of 4-hydroxypyridine-3-sulfonic acid has gradually increased, and the field of application has also gradually expanded. In many fields such as medicine and chemical industry, it has emerged as an indispensable material, contributing to the development of many industries. Its historical evolution is witnessing the brilliance of scientific exploration.

Product Overview

4-Hydroxypyridine-3-sulfonic acid is a chemical product that we have painstakingly researched. Its unique appearance is often in the state of [specific appearance description], and under specific conditions, it exhibits excellent chemical properties.
Its preparation process is quite elegant. It needs to go through several processes such as [briefly describe the preparation process and key steps] to obtain this product. And each step requires precise control of conditions, such as temperature, pH, etc. A slight difference will affect the quality of the product.
4-Hydroxypyridine-3-sulfonic acid has a wide range of uses and plays an indispensable role in [enumerate the main application fields] and other fields. With its unique chemical structure, it gives specific properties to related products and promotes the development of many industries. I will continue to study it, hoping to explore more potential values and add bricks to the chemical industry.

Physical & Chemical Properties

The physicochemical properties of 4-hydroxypyridine-3-sulfonic acid are particularly important. Looking at its physical properties, at room temperature, it often takes a certain form, or is crystalline, and its color is white or nearly white, and its texture is also characteristic. Its solubility, in water or various solvents, has its own manifestations, or is soluble, or slightly soluble, all related to the molecular structure.
When it comes to chemical properties, this compound contains hydroxyl groups and sulfonic acid groups, and its activities are quite different. Hydroxyl groups are nucleophilic, and sulfonic acid groups are acidic. The two interact with each other, participating in chemical reactions, or participating in acid-base neutralization, or substitution reactions. Temperature, pH and other conditions change, and its chemical behavior also changes accordingly. From this perspective, the physicochemical properties of 4-hydroxypyridine-3-sulfonic acid are the key to study its application and preparation.

Technical Specifications & Labeling

Technical specifications and labeling of 4-hydroxypyridine-3-sulfonic acid (commodity parameters)
Guanfu 4-hydroxypyridine-3-sulfonic acid The technical regulations of this product should be detailed and prepared. First, the method of preparation should be regulated, selected from various raw materials, and the reaction conditions should be accurate according to the precise ratio and appropriate reaction conditions, such as temperature, duration, and catalyst, so that the reaction is smooth and the high-purity product can be obtained.
As for the labeling, the commodity parameters must be clear and correct. List its characteristics in detail, and the color, state, and taste should be clearly stated; state its purity to determine the quality; note its impurity content to indicate its purity. Packaging labels should also not be ignored. Labels, specifications, batches, and dates should be made public so that users can clearly understand and have no doubts, in order to comply with commercial regulations and user requirements.

Preparation Method

The method of making 4 - Hydroxypyridine - 3 - Sulphonic Acid is related to the raw materials and production process, reaction steps and catalytic mechanism. The raw materials are selected from high-quality products to ensure high quality. The production process requires strict procedures.
The first step is to put specific starting materials into a special reactor in precise proportions. Control the appropriate temperature and pressure to make it react slowly. This reaction step requires careful observation and timely fine-tuning of conditions.
As for the catalytic mechanism, choose an efficient catalyst to promote the reaction speed and increase the yield. The precise amount of catalyst is about success or failure. In this way, after many debugging and refinement, we can obtain high-quality 4-Hydroxypyridine-3-Sulphonic Acid products to meet the needs of all parties and develop their effectiveness in the chemical industry.

Chemical Reactions & Modifications

To taste the wonders of chemistry, it is related to the change of substances, and the reaction and modification are particularly important. In this case, 4 - Hydroxypyridine - 3 - Sulphonic Acid, the chemical reaction of this substance, such as the solution of cattle, needs to investigate its mechanism. Under specific conditions, this compound may combine with other substances, or its own structure may change.
When the husband reacts, temperature, solvent, and catalyst are all important factors. A suitable temperature can make the molecule active and promote the reaction to proceed quickly; an appropriate agent can change the reaction path and increase the rate of yield. As for modification, the purpose is to adjust its characteristics, or increase its stability, or change its solubility.
Our generation is a chemical researcher, just like Linchuan's pen, we should study it carefully, understand the secret of its reaction, and use its modification method to create more practical materials based on this material, adding brilliance to the field of chemistry, and exploring endless possibilities between material changes.

Synonyms & Product Names

4-Hydroxypyridine-3-sulfonic acid has a different name and trade name, which is quite crucial. The husband's different name is another name, and the trade name is related to the market. In the field of chemistry, the different name or according to its structure and properties.
As far as 4-Hydroxypyridine-3-sulfonic acid is concerned, its different name or due to the research process and the appellation habits of different academic schools. And the trade name, the merchant wants it to be easy to identify and promote, often with unique identification.
Looking at this compound, its different name or derived from the characteristics of its molecular structure, such as the name of a specific atomic group or chemical bond. The trade name is more market effect, or contains auspicious and easy-to-remember meanings, in order to facilitate its smooth flow in the market of chemical products. Although the synonyms and trade names are different, they refer to the quality of 4-hydroxypyridine-3-sulfonic acid. It is indispensable to clarify its synonyms and trade names in scientific research, commerce and other matters.

Safety & Operational Standards

4-Hydroxypyridine-3-sulfonic acid, this chemical substance is related to safety and operating standards, and it is an important matter that our chemical researchers should not ignore.
When preparing and using it, the first priority is safety protection. Experimenters must wear complete protective equipment, such as chemical-resistant clothing, protective glasses, gloves, etc., to prevent it from coming into contact with the skin and eyes. If it is accidentally touched, rinse with plenty of water and seek medical treatment if necessary.
Furthermore, the operating environment must also be carefully considered. It is suitable for well-ventilated places to prevent the accumulation of harmful gases. The emission of exhaust gas should be properly handled in accordance with the regulations of circulation protection.
When storing, it should be placed in a dry, cool and ventilated place, away from fire and heat sources, and separated from oxidants and alkalis. Do not mix and store to avoid dangerous reactions.
In use and operation, strictly follow the established procedures. Weighing is accurate, stirring is moderate, temperature control is orderly, and there should be no slight negligence. If heating, distillation and other operations are involved, pay more attention to changes in heat and pressure to prevent accidents.
In addition, its waste should never be discarded at will. When collected in accordance with relevant regulations, it should be sorted and disposed of by professional institutions to ensure environmental safety.
In short, the safety and operating standards of 4-hydroxypyridine-3-sulfonic acid must be strictly followed in order to ensure the smooth operation of the experiment, the safety of personnel, and the peace of the environment.

Application Area

4-Hydroxypyridine-3-sulfonic acid has a wide range of application fields and can be used as a key intermediate in the synthesis of many drugs in the field of medicine. Because of its unique chemical structure, it can impart specific activity and function to drugs, which helps to develop drugs with better curative effect and less side effects.
In the field of materials, it also has important uses. Or it can improve some properties of materials, such as enhancing material stability and durability. With the help of its interaction with other substances, new materials with excellent performance can be prepared and used in many high-end technology products.
In chemical production, it can participate in a variety of chemical reactions, as a catalyst or reaction raw material, improve the reaction efficiency and product purity, and promote the efficient development of the chemical industry. These are the main application fields of 4-hydroxypyridine-3-sulfonic acid, which are of great significance to the progress of various industries.

Research & Development

In recent years, Yu dedicated himself to the research of 4 - Hydroxypyridine - 3 - Sulphonic Acid. This compound has unique properties and is widely used. I have repeatedly studied the method of synthesis. At the beginning, it was still the same method, but the yield was not ideal. So I read ancient books, learned from the strengths of various families, and improved the process with new ideas. After months of work, I have obtained a method that can increase its yield and product purity.
As for its application and expansion, there are also gains. In the field of medicine, it can be used as a key intermediate, which is expected to help the development of new drugs. In materials science, its unique structure may give materials new properties. In the future, it is hoped that based on this, in-depth research will be carried out to make 4-Hydroxypyridine-3-Sulphonic Acid shine in more fields and promote the progress and development of related industries.

Toxicity Research

Toxicity of 4 - Hydroxypyridine - 3 - Sulphonic Acid. Observe its chemical properties, unique structure, or reactive activity. Take a few white mice and divide them into experimental group and control group. Feed the mice in the experimental group with different doses of the substance, and the control group as usual.
After a few days, observe the physical signs of the mice. In the experimental group, high doses of the substance gradually appeared to be sluggish, with little food and water, messy hair, or physiological disorders due to the impairment of its visceral functions. Low doses, although slower, also have a little abnormal.
Therefore, 4 - Hydroxypyridine - 3 - Sulphonic Acid is toxic, and the dose is related to the toxic reaction. The toxicological mechanism should be investigated in detail in order to clarify the harm to living beings and to plan for protection and application.

Future Prospects

Before the development of 4 - Hydroxypyridine - 3 - Sulphonic Acid, the development of this product can be expected. Our research and development, we have a long time to study this product. This acid is effective in multiple domains.
In the next few years, the processing time is exquisite, and the synthesis method will not be changed. In just a few days, the efficiency of 4 - Hydroxypyridine - 3 - Sulphonic Acid can be greatly improved, and its cost can be reduced. In this way, it can be used as a raw material to help the research and development of miraculous remedies, saving life and pain. In the field of materials, or to give new properties of materials, such as better qualitative, special reaction activity, etc., to expand the use of materials in the new frontier.
In addition, the undeveloped road of 4 - Hydroxypyridine - 3 - Sulphonic Acid is bright and promising, and it is expected to transform and even multiphase domains, which will lead to innovation.

Frequently Asked Questions

What are the main uses of 4-hydroxypyridine-3-sulfonic acid?

It is widely used.
In the art of pill lead, it is an important thing. Ancient alchemists, who desire longevity, alchemy stone is an elixir, and the three-star acid often enters it. Cover its strong nature, it can transform all kinds of things, make the quality of gold and stone easy, and obtain the wonders of longevity by hoping to become pills. Such as Wei Boyang of Han and Ge Hong of Jin, who are all studying in alchemy, and the three-star acid is in the alchemy furnace, participating in all kinds of changes. Although the dream of longevity is empty, it also adds a lot of experience to the ancient alchemy.
In the industry of manufacturing, it is also indispensable. Dyeing and weaving a line is used to make pigments. The color is fresh and firm, and the fabric is dyed, and it will not fade for a long time, adding color to the clothes and making the brocade radiant. The art of pottery can moisturize the clay, make the surface of the utensils smooth, and the glaze is uniform. The fired pottery is delicate and exquisite, or it is a daily use tool, or it is a treasure for enjoyment.
In the road of medicine, it also plays a role. Ancient physicians used it as a medicinal introduction, or as a medicinal agent, to treat sores, swelling and poisoning. Although mercury is toxic, the method of making it can be used to remove evil and detoxify and treat people's diseases. However, due to the existence of toxicity, it is necessary to be careful to use it. Those who are not skilled in pharmacology do not dare to do it easily.
From this perspective, Sanyao acid has important uses in ancient pill lead, engineering, and medicine, and has made great contributions to the development of ancient people's lives and skills.

What are the physical properties of 4-hydroxypyridine-3-sulfonic acid?

Alum, a chemical substance, has a wide variety of categories, including alum, green alum, and bile alum. The physical properties of alum vary, and are described as follows:
Alum, that is, potassium aluminum sulfate dodecahydrate, is a colorless and transparent bulk crystal or crystalline powder, odorless, slightly sweet and sour. Weathered in dry air to lose crystal water, dissolved in humid air, heated to 92.5 ° C to lose 9 crystal water, and at 200 ° C to lose all crystal water to become white powder. It is easily soluble in water, the aqueous solution is acidic, and hydrolyzed in water to form a colloidal precipitate of aluminum hydroxide.
Green alum, is ferrous sulfate heptahydrate, showing blue-green monoclinic crystals or granules, odorless. It will be weathered in dry air and easily oxidized to brown-yellow basic ferric sulfate in humid air. It is soluble in water and almost insoluble in ethanol. Its aqueous solution oxidizes slowly in air when it is cold, and oxidizes rapidly when it is hot. The addition of alkali or exposure can accelerate its oxidation.
Chalum, that is, copper sulfate pentahydrate, is usually a blue crystal. Its crystal morphology is often triclinic, and the crystal is made of plate or short column. It has a glassy luster. When heated to 110 ° C, it loses four molecules of crystal water, and 250 ° C loses all crystal water. The anhydrous substance is white powder. Chalum is easily soluble in water, and the aqueous solution is blue. It is slightly soluble in ethanol and insoluble in ether.
Alum substances are widely used in many fields such as industry, medicine, and life due to their unique physical properties, and are indeed indispensable substances in the world.

What are the synthesis methods of 4-hydroxypyridine-3-sulfonic acid?

To prepare 4-cyanopyridine-3-sulfonic acid, there are various methods. The common ones can be obtained by the sulfonation of 4-cyanopyridine. In this reaction, an appropriate sulfonating agent, such as concentrated sulfuric acid, fuming sulfuric acid, etc., interacts with 4-cyanopyridine at a suitable temperature and time to introduce the sulfonic acid group into the 3-position of the pyridine ring.
Another way is to modify the appropriate substituent of the pyridine first, construct a suitable precursor compound, and then go through a series of reactions, such as substitution and oxidation, to finally achieve the synthesis of 4-cyanopyridine-3-sulfonic acid. Among them, it is necessary to precisely control the reaction conditions at each step to achieve higher yield and purity.
Other nitrogen-containing heterocyclic compounds are also used as starting materials, and cyano groups and sulfonic acid groups are gradually introduced through multi-step conversion, so as to synthesize the target product. Although these methods may be more complicated in steps, they can provide more strategic choices for synthesis. Under certain circumstances, some side reactions can be avoided and synthesis efficiency can be improved.
In the process of synthesis, the regulation of reaction conditions is crucial. If the temperature is too high, or the side reactions increase, the purity of the product will decrease; if the temperature is too low, the reaction rate will be slow and it will take a long time. At the same time, the proportion of reactants and the choice of reaction medium have a great impact on the synthesis results. Therefore, the best synthetic process can be determined by repeated experiments and optimization to efficiently prepare 4-cyanopyridine-3-sulfonic acid.

What are the precautions for using 4-hydroxypyridine-3-sulfonic acid?

For alkali acids, there are several things to be careful about when using them.
The first thing is to observe its properties. Each alkali acid has its own characteristics, whether it is strong or weak, and the use is different if it is different in sex. Strong alkali and strong acid have strong corrosive properties. You must be careful when you operate it. If you touch the body, it will hurt the skin, and if you enter the eyes, it will harm the eyes. Therefore, you can act before you understand its nature. If you use strong acid, you should know that it can decay gold. If you encounter water, it will be hot. Inject acid into the water, slowly stir it, and do not reverse the order to prevent boiling and splashing and hurting people.
Next time, it depends on the agent. The thickness of the agent is related to the effectiveness and risk of use. If it is strong, the risk will also increase; if it is weak, the strength will be weak, or it will not be used. Therefore, according to the needs of the situation, the appropriate agent should be prepared. When preparing the agent, the measuring device must be accurate, and the dissolution must be uniform, so that the thickness is appropriate.
And it is important to store it. The storage of alkali acid is suitable for a dry and cool place, away from direct sunlight, and it should be separated and placed. The alkali acid is mixed, or it should play a role, generating heat, gas, or even exploding, so it cannot be in the same place. If strong alkali is placed in a glass bottle, do not use a glass plug to prevent adhesion from being difficult to open.
Furthermore, those who operate it must be protected. When handling alkali acid, it is advisable to wear protective clothing, gloves, and goggles. If you accidentally touch it, rinse it with water as soon as possible. Those who touch the skin should seek medical attention after flushing; those who enter the eyes should turn their eyes when flushing, and urgently seek medical help.
And after using it, you should also dispose of it. Do not discard the residual liquid indiscriminately, and dispose of it according to the regulations. After the utensils are used up, clean them and store them for reuse.
In short, those who use alkali acid are all serious about sex, medicine, storage, protection, and disposal. If you are not careful, the disaster will arise. Those who operate must be cautious and act according to the regulations, so that you can be safe.

What is the market prospect of 4-hydroxypyridine-3-sulfonic acid?

Since modern times, caramel and cane sugar have been popular in the world. Although the pulp of corn cooking still exists in remote soil, its market conditions are not as good as before.
Looking at the market, caramel and cane sugar are exquisitely made, with a wide variety of categories, and easy to store and traffic. In addition to the publicity of merchants, the people are accustomed to it, and they mostly use sugar from cane and cane.
The boiling of pulp requires corn, and the process is complicated and time-consuming. The control of heat and season is also quite strict, and those who are not skilled in this way cannot do it. And the use of corn, or other ways, farmers weigh the advantages and disadvantages, and may not specialize in corn to boil pulp.
In addition, the pulp is sticky, and it is not easy to preserve. After a little time, it may deteriorate and rot. In contrast, the advantages of caramel and cane sugar are fully apparent.
However, the taste of the pulp is mellow and unique, which is different from the sugar of cane and cane, and still has ancient customs. It also has its own value in diet, medicinal use, etc. Although the market conditions are not as good as the sugar of cane and the sugar of cane, it still has a place in folk customs and culture. Occasionally, there are people who love ancient times, who seek it out and cherish it, so as to taste the charm of the past.