Para Toluene Sulphonic Acid

Lingxian Chemical

Specifications

HS Code	958086
Name	Para Toluene Sulphonic Acid
Chemical Formula	C7H8O3S
Molar Mass	172.202 g/mol
Appearance	White crystalline solid
Odor	Odorless
Solubility In Water	Soluble
Melting Point	103 - 105 °C
Boiling Point	Decomposes
Density	1.24 g/cm³
Acidity	Strong acid
Pka	-2.8
Stability	Stable under normal conditions

Packing & Storage

Packing	25 - kg bag packaging for Para Toluene Sulphonic Acid chemical.
Storage	Para Toluene Sulphonic Acid should be stored in a cool, dry, and well - ventilated area, away from heat sources and open flames as it is combustible. Keep it in tightly - sealed containers to prevent moisture absorption which can affect its quality. Separate it from oxidizing agents and bases to avoid potential hazardous reactions.
Shipping	Para - Toluene Sulphonic Acid is shipped in tightly - sealed, corrosion - resistant containers. Special handling precautions are in place due to its acidic nature. Shipments follow strict safety regulations for transporting hazardous chemicals.

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General Information

Historical Development

In the field of chemical industry, there is a thing called Para Toluene Sulphonic Acid. Its origin is also unknown to many. At the beginning, researchers used micro-observation to gradually clarify its properties in various experiments.
Years have passed, and the research has deepened. In the past, the technology was not refined, and it took a lot of trouble to make this thing, and the production was also small. However, craftsmen and researchers are reluctant to give up, and they have been working hard for many years. From the perspective of ancient books, the temperature of the reaction and the ratio of the agent have been studied in detail.
To this day, the craftsmanship is improving, and the production of Para Toluene Sulphonic Acid has increased greatly. It is useful in all industries. The genus of dyeing and pharmaceuticals cannot be seen. Looking at the path of its development, it is like a river, from humble to complex, which is the fruit of the sages and adds a chapter to the history of chemical industry.

Product Overview

With the rise of modern chemistry, many new substances have emerged. Among them, Para Toluene Sulphonic Acid is particularly important.
Para Toluene Sulphonic Acid, the color is often close to colorless, crystalline, and stable. It is widely used in various fields of chemical industry. It can be used as a catalyst to promote many reactions quickly, such as esterification, which is very effective, can increase the reaction rate, and improve the purity of the product. In the pharmaceutical industry, it is also indispensable, assisting in the key step of drug synthesis. And in the dyeing and weaving industry, it can be used as an auxiliary agent to help dye evenly, so that the color is uniform.
The preparation method, through several fine processes, temperature control and ratio adjustment, in order to achieve high quality. The characteristics and effectiveness of this product have contributed a lot to today's industrial process, making it a treasure in the chemical industry.

Physical & Chemical Properties

Para Toluene Sulphonic Acid is an important chemical product. Its physical and chemical properties can be studied. Looking at its shape, it is often in the shape of white crystals, and if placed in ordinary environments, the stability is quite good. In terms of its solubility, it can be dissolved in water and alcohols, which makes it a smooth participant in many reaction systems.
Its acidity is significant, and it is often used as a catalyst in the field of organic synthesis. With its acidic power, it can promote the speed of many reactions and increase the efficiency of the reaction. And its chemical activity can vary depending on changes in the surrounding environment, such as temperature and pH. Researchers should scrutinize the changes in physical and chemical properties under different conditions in order to obtain their delicacy and make good use of this product to stimulate the development of chemical industry and promote the progress of science and technology.

Technical Specifications & Labeling

Nowadays, in the production of Para Toluene Sulphonic Acid, the process specification and identification (product parameters) are the key. The process specification requires the selection of raw materials and the degree of mixing, and the order of operation cannot be sparse. The raw materials must be pure, the ratio should be refined, and the operation should be in sequence to ensure the quality.
As for the identification (product parameters), the number of content, purity, color and characteristics, all need to be detailed. The content should be in line with the standard, and the higher the purity, the better. The color should be correct, and the character should be stable. In this way, the process specification and identification (product parameters) are both in place, so that the quality of Para Toluene Sulphonic Acid can be guaranteed, and it is also competitive in the market.

Preparation Method

The preparation of Para Toluene Sulphonic Acid. The raw materials are suitable for toluene and sulfuric acid. The method of preparation is to first take an appropriate amount of toluene, place it in the reaction kettle, slowly inject sulfuric acid into it, control its temperature, and do not overdo it. The two are combined in phase, and the reaction takes several hours.
The step of the reaction is to first mix the two, and the sulfuric acid and toluene come into contact and chemically change. During this period, it needs to be stirred continuously to make it uniform. After the reaction is completed, the initial product is obtained.
Transformation mechanism, the sulfur atom in the sulfuric acid is replaced with the hydrogen atom in the methyl or para-position of toluene to form Para Toluene Sulphonic Acid. The product or impurities, when refined to remove its impurity, can be obtained pure Para Toluene Sulphonic Acid. In this way, it can be prepared.

Chemical Reactions & Modifications

Yu Taste is dedicated to the research of Para Toluene Sulphonic Acid, and is well aware of its chemical reaction and modification. The reaction of this compound is changeable and delicate. In common reactions, it is often a key factor, participating in many chemical processes, affecting the quality and quantity of the product.
To change its properties, it is necessary to clarify its structure and reaction mechanism. By appropriate methods, either adjusting the temperature or changing the reagent, it can cause its properties to change. After repeated tests, the changes are observed, and the rules are studied to achieve the purpose of modification. In this way, the product may have better properties and can play a greater role in industrial production, scientific research and exploration. Although the process is arduous, it is the progress of chemical research, and it is also necessary to make unremitting efforts to make breakthroughs in the chemical reaction and modification of Para Toluene Sulphonic Acid.

Synonyms & Product Names

"About the namesake and trade name of p-toluenesulfonic acid"
The name of p-toluenesulfonic acid is widely used in the field of chemical industry. Its namesake and the name of the product also have their own names.
p-toluenesulfonic acid, also known as 4-methylbenzenesulfonic acid, is named according to its chemical structure. Its trade names are also diverse, and there are many common names in the industry.
This substance is strongly acidic and is often used as a catalyst. It is used in organic synthesis to help smooth the reaction. Although its namesake is different from the trade name, it refers to this important chemical product. Its name varies depending on the region or the industry. However, in essence, they are all p-toluenesulfonic acids, which play a key role in chemical production, scientific research and exploration, and contribute to the progress of chemistry and the development of industry.

Safety & Operational Standards

There are chemical products today, called Para - Toluene Sulphonic Acid, and the safety and operation standards of its production are of paramount importance and cannot be ignored.
Where this product is involved in the production, the safety of the first place is the most important. The factory building must be spacious and bright, well ventilated to avoid the accumulation of harmful gases. And it is appropriate to set up fire and explosion-proof facilities around, prepare fire extinguishers, and place them in a place that is obviously easy to access. Once there is a police, it can be used immediately to contain the disaster in the bud.
When operating, all procedures must be strictly followed. Operators should wear special protective clothing, goggles and gloves to prevent contact with objects and damage to the skin and eyes. When feeding, it is advisable to pour in slowly to control the rate and not overreact. When stirring, pay attention to the speed, uniform and moderate, to ensure a smooth reaction.
Furthermore, the maintenance of equipment should not be neglected. Regular maintenance to check for damage or leakage. If there is any abnormality, stop the machine immediately for repair, and do not take chances and use it.
As for waste disposal, it is also in accordance with the regulations. Do not dispose of it at will, so as not to pollute the soil and water sources. When collected in a centralized manner, dispose of it properly according to relevant laws.
The production, safety and operation standards of Para - Toluene Sulphonic Acid are interlinked. Everyone abides by this rule to ensure smooth production, safe personnel and a safe environment.

Application Area

All kinds of chemical substances have their own uses. Para Toluene Sulphonic Acid is also an important chemical. Its application field is quite extensive.
In the organic synthesis industry, it is often used as a catalyst. It can promote the progress of many reactions, such as the esterification reaction, which increases its speed and efficiency, and improves the rate of product.
In the production of coatings, it is also involved. It can adjust the dryness of coatings, make their film formation uniform, increase their adhesion, and help coatings prevent corrosion and corrosion.
The art of papermaking also depends on its work. It can change the quality of the pulp, make the paper smooth and flexible, and improve the quality of the paper.
Therefore, Para Toluene Sulphonic Acid has key functions in many fields of chemical industry, making great contributions to the prosperity of industry.

Research & Development

Since modern times, chemical refinement has made progress, and the research of various substances has become increasingly prosperous. Today there is Para Toluene Sulphonic Acid, which is an important chemical product. We have dedicated ourselves to our research to clarify its properties and make good use of it in order to achieve the development environment.
Initial observation of its properties, Para Toluene Sulphonic Acid has strong acidity and is a key catalyst in many reactions. Its participation in organic synthesis can often increase the reaction rate and increase the rate. In industry, in the fields of polyester preparation and drug synthesis, it all depends on its work.
We also study the method of production and strive to improve the process. Improve the process, hoping to reduce consumption and improve production, and reduce its impact on the ring. After repeated experiments and research, some progress has been made. In the future, we should continue to unremitting, expand its use, improve quality, and do our best to meet the needs of the world, for the development of chemistry and the prosperity of industry.

Toxicity Research

Since modern times, the chemical industry has flourished, and products such as Para Toluene Sulphonic Acid have become more and more widely used. However, the study of its toxicity should not be ignored.
Para Toluene Sulphonic Acid is acidic. When it comes into contact, it may hurt the skin or the eyes. If taken by mistake, it will damage the viscera and even endanger life. Its qi is also irritating, and it can hurt the lungs and respiratory tract if smelled for a long time.
Today's researchers should carefully investigate the mechanism of its toxicity, and study the impact on organisms under different concentrations and environments. It is also necessary to think about prevention strategies to ensure the safety of workers and users. The stage can clarify its toxicity to avoid its harm, use it properly, and benefit the chemical industry.

Future Prospects

In the field of chemical industry today, Para Toluene Sulphonic Acid has extraordinary properties and a wide range of uses. In industrial affairs, its achievements are great.
Looking to the future, science and technology are new, and the development of this product has great potential. Or it can be improved in the preparation method, reduce its cost, improve its purity, and double the production efficiency. On the application, it is also expected to open up new horizons. In the fields of medicine and materials, find more fit and shine.
Our chemical researchers should have great ambitions, study physics, and use innovation as a blade to break the hard problem. With unremitting efforts, Para Toluene Sulphonic Acid will have infinite possibilities in the future, be used by the world, and benefit everyone.

Frequently Asked Questions

What are the common uses of p-toluenesulfonic acid?

The common uses of Ejiao to show acid probably have the following ends.
One of them is to use it as medicine. It has been recorded in the "Shennong Materia Medica" for a long time that Ejiao is listed as the top grade, which is called "taking it for a long time to lighten the body and nourish qi". Doctors mostly use Ejiao to treat various blood disorders, such as vomiting blood, hemorrhage, blood in the stool, etc., all because Ejiao has the ability to replenish blood and stop bleeding. Blood belongs to yin, and if there is yin deficiency, the blood will move abnormally. Ejiao nourishes yin and nourishes blood, so that the blood can be returned. This is the way to use it in blood disorders. And the disease of women's collapse and leakage is mostly due to the lack of stability in rushing, and the loss of qi and blood. Ejiao can fix and adjust qi and blood to stop collapse and leakage
Second, health diet. Folks often use Ejiao to make plaster recipes and take them in winter to achieve nourishing effects. Often matched with red dates, walnuts, black sesame seeds, etc. Red dates nourish the spleen and blood, walnuts nourish the kidney and solidify essence, black sesame seeds nourish the liver and kidney, nourish the essence and blood, and together with Ejiao, nourish qi and blood, and nourish the viscera. Ordinary people, this plaster nourishes the body in winter, resists cold evils, fills the qi and blood, and is full of energy.
Third, beauty and beauty. Women are blood-based, and if they are full of qi and blood, their complexion will be ruddy and their skin will be delicate. Ejiao nourishes blood and nourishes yin, which can nourish the skin with blood. In ancient times, there were ladies who used Ejiao for beauty. Regular use can make the face look good and delay aging. Or a mask can be made with whitening medicinal materials such as Angelica dahurica and Bletilla dahurica, which can be used externally to moisturize the skin, and also has a certain effect.
All these are common uses of Ejiao acid, or used in medicine for disease treatment, or diet and health, or beauty and beauty, which are beneficial to the health and appearance of people in the world.

What are the physical properties of p-toluenesulfonic acid?

p-Methylsuccinic acid, also known as succinic acid, has the following physical properties:
Methylsuccinic acid is a colorless crystal at room temperature, in the shape of a monoclinic prism or leaf shape, with a weak odor and a very sour taste. Its melting point is between 185 and 187 ° C. At this temperature, it will change from a solid state to a liquid state. The boiling point is as high as 235 ° C (decomposition). When this temperature is reached, a decomposition reaction will occur. The density is 1.572g/cm ³, which makes it have a relatively specific mass at the same volume.
In terms of solubility, 1g of methylsuccinic acid can be soluble in 13ml cold water and 1ml boiling water, indicating that its solubility in hot water is much higher than that in cold water. This property is related to the thermal movement of water molecules and the interaction between methylsuccinic acid molecules and water molecules. It is also soluble in 18.5ml ethanol, 6.3ml methanol, and also has certain solubility in acetone. It can be soluble in 6ml acetone, but it is difficult to dissolve in non-polar organic solvents such as benzene, carbon tetrachloride, ether and petroleum ether. This is because the methylsuccinic acid molecule has a certain polarity, and according to the principle of similar miscibility, it is more soluble in polar or weakly polar solvents.
In addition, methylsuccinic acid has sublimation, and under specific conditions, it can directly change from a solid state to a gaseous state without passing through a liquid state. These physical properties make it useful in different fields for separation, purification, and other operations.

What are the precautions when using p-toluenesulfonic acid?

When using methionine, pay attention to many matters. Methionine is mild in nature, although it is good for the human body, it still needs to be used with caution.
First, the control of the amount is very important. If it is too little, it will be difficult to achieve the expected effect; if it is too much, it may cause an imbalance of yin and yang in the body, involving the viscera. Just like a farmer irrigation the field, if there is less water, the seedlings will wither, and if there is more water, the field will be flooded. Just right, you can do your best. Therefore, the dosage should be accurately determined according to the person's physique and illness, and it should not be increased or decreased.
Second, the method of compatibility should not be underestimated. When methionine is used in combination with other drugs, it may complement each other or hinder each other. If it is mixed with some medicines of heat and heat, it may help fire and generate heat; when combined with cold and cool medicines, it is also considered to damage the yang and damage the qi. Therefore, it is necessary to carefully review the taste and meridian of the medicine, and weigh the advantages and disadvantages to make the compatibility appropriate, in order to increase the effect and reduce the harm.
Third, you need to observe the reaction of the human body when using it. After taking the medicine, pay attention to your own changes, such as whether you are uncomfortable with cold and heat, stuffy chest and abdomen, abnormal stools, etc. If there is an adverse reaction, you should stop taking it immediately and seek medical treatment without delay.
Fourth, different people have different constitutions, and their tolerance to methionine is also different. The old and weak people are deficient in qi and blood, and the functions of the viscera are gradually declining, so the dosage should be light; the young and middle-aged people are full of qi and blood, so they can increase it slightly as appropriate. And women should be especially cautious during menstruation and pregnancy. A little carelessness may endanger the fetal essence and menstrual blood.
Using methionine is like carving beautiful jade with good craftsmanship, and it is meticulous. Pay attention to the amount, compatibility methods, human body reactions and individual differences, so that the medicine can be used to its fullest extent and protect their health.

What are the storage conditions for p-toluenesulfonic acid?

Menaquinoic acid is a kind of substance with unique chemical structure and biological activity. Its storage conditions are quite critical, which is related to the stability and utility of this substance. From the perspective of "Tiangong Kaiwu", although menaquinoic acid was not accurately recorded at that time, according to the wisdom of the ancients on the preservation of various substances, relevant suitable conditions can be deduced.
Drying of the first environment. Menaquinoic acid is easily affected by moisture, and humid gas can easily cause it to chemically react and then deteriorate. Ancient treasures often choose dry places, such as soil kilns used in the north, to avoid water and moisture. Menaquinoic acid should also be placed in a dry place to keep its composition stable.
The second is the appropriate temperature. Overheating can easily accelerate the decomposition of menaquinoic acid, and overcooling may affect its physical properties. In ancient times, there were cellars in the ground in winter and in the shade in summer. The storage temperature of menaquinoic acid should be moderate, about room temperature and protected from direct sunlight. Direct sunlight can easily cause the temperature to rise, and ultraviolet rays may trigger photochemical reactions of menaquinoic acid, which will damage its quality.
Furthermore, the choice of container should not be underestimated. Materials that do not react with menaquinoic acid should be selected. Ancient treasures, such as pottery pots and bamboo tubes, are all stable due to their properties. For menadioquinic acid, glass or special plastic containers can be a good choice if the material is inert and does not interact with menadioquinic acid. At the same time, the container should be well sealed to prevent the intrusion of air, moisture, etc.
In addition, the storage place should be protected from odors or volatile chemicals. Menadioquinic acid or adsorbs odors, and if there are volatile substances around, or gas phase reaction with it. Such as ancient Tibetan incense, it is often stored separately to prevent odor and deterioration. Menadioquinic acid also needs a separate space to ensure that its storage environment is pure. In this way, the quality of menadioquinic acid can be maintained so that it can play its due role in subsequent applications.

What is the mechanism of action of p-toluenesulfonic acid in different reactions?

Acetaminophen has different mechanisms of action in various reactions.
In the antipyretic reaction, the body's temperature regulation center is located in the hypothalamus. During normal times, the body's heat production and heat dissipation maintain a balance. In case of evil heat invasion, endogenous heat-producing substances, such as prostaglandins (PGE), increase, acting on the hypothalamus temperature regulation center, causing the setting point to move up and the body temperature to rise. Acetaminophen can inhibit the activity of prostaglandin synthetase (COX), especially the inhibition of COX-2, reduce the synthesis and release of PGE, reduce the setting point of the thermoregulatory center to a normal level, dilate blood vessels on the surface of the body, increase sweating and heat dissipation, and lower body temperature. This is the mechanism of its antipyretic.
In the analgesic response, when tissue damage or inflammation is stimulated, local pain-causing substances such as histamine, bradykinin, and PGE are generated and released. In addition to its own pain-causing effects, PGE can also increase the sensitivity of pain receptors to other pain-causing substances. Acetaminophen inhibits COX activity, reduces PGE synthesis, and reduces the sensitivity of pain receptors, resulting in peripheral analgesia. And it can penetrate the blood-brain barrier, act on the central nervous system, inhibit the synthesis of central PGE, and also help analgesia, which is the mechanism of its analgesia.
In terms of anti-inflammatory effect, acetaminophen has a weaker anti-inflammatory effect than other non-steroidal anti-inflammatory drugs. Although it can inhibit COX activity, its selectivity for COX-1 and COX-2 is not high, and in vitro experiments, higher concentrations are required to inhibit PGE synthesis. At the same time, its regulatory effect on many cytokines and inflammatory mediators in the inflammatory response is limited, so the anti-inflammatory effect is far less than that of aspirin and other drugs, which is the characteristic and mechanism of its anti-inflammatory effect.