P-Xylene-2-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	549593
Chemical Formula	C8H10O3S
Molar Mass	186.23 g/mol
Appearance	Solid
Color	Typically white to off - white
Solubility In Water	Soluble
Pka Value	Around 0.7 (approximate, depending on conditions)
Boiling Point	Decomposes before boiling
Melting Point	113 - 116 °C
Density	1.32 - 1.36 g/cm³ (approximate)
Odor	Odorless or very faint odor

Packing & Storage

Packing	5 - kg pack of P - Xylene - 2 - Sulfonic Acid in a sealed, corrosion - resistant container.
Storage	P - Xylene - 2 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat sources and ignition sources. Keep it in a tightly - sealed container to prevent moisture absorption and contact with air, which could potentially lead to decomposition or reaction. Store it separately from incompatible substances like strong oxidizing agents to avoid dangerous chemical reactions.
Shipping	P - Xylene - 2 - Sulfonic Acid should be shipped in tightly - sealed, corrosion - resistant containers. It must be handled with care to prevent spills. Follow all hazardous chemical shipping regulations to ensure safe transport.

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General Information

Historical Development

P - Xylene - 2 - Sulfonic Acid is also a chemical product. At the beginning, people did not know this, but only gradually explored its properties in the process of chemical research. At the beginning, the researcher devoted himself to thinking about it, hoping to solve its secrets. Over time, after repeated trials and errors between experiments, the method of making it can be understood.
First, the technique is not refined, and the amount of production is small and the quality is not good. However, the researcher is unremitting, and he studies it over the years. With the passage of time, knowledge gradually accumulates, and the technique advances day by day. The method of making this thing is better, and the output also increases, which can meet the needs of all industries. In the field of chemical industry, its use is gradually widening, and it is an indispensable material in the industry. From this perspective, the development of P-Xylene-2-Sulfonic Acid is the result of the efforts of researchers and an important chapter in the history of chemical industry.

Product Overview

P-Xylene-2-Sulfonic Acid is also used as a chemical compound. Its characteristics are low, and the color may be clear or nearly dark. It has the characteristics of sulfonic acid groups and is acidic.
The use of this compound is good. In the field of work, it can be used as an important medium for the synthesis of many chemical compounds. For chemical performance, it can help to determine certain formulations. In printing and dyeing, it can promote the adsorption of dyes and improve the dyeing effect.
The method is often obtained by sulfonation of xylene as the starting material. The reaction needs to be controlled, such as the degree of resistance, reaction quality and the amount of catalysis, all of which are related to the degree of resistance of the compound. Therefore, the status of P-Xylene-2-Sulfonic Acid in the chemical phase cannot be ignored.

Physical & Chemical Properties

P-Xylene - 2 - Sulfonic Acid is an important chemical substance. Its physical and chemical properties are particularly critical. Looking at its shape, it may be white crystalline under normal conditions, with fine texture. When it comes to solubility, it can be moderately dissolved in water, which makes it well dispersed in many chemical processes. Its melting point also has a specific value, which can be accurately determined to be a certain temperature. This melting point is related to the change of its physical state. As for chemical properties, it has a certain acidity and can show corresponding activity in chemical reactions. It can neutralize and react with alkali substances to form specific salt products. And because its structure contains specific groups, it can participate in a variety of organic synthesis reactions, and is widely used in the chemical industry. It plays an indispensable role in the preparation of many fine chemicals.

Technical Specifications & Labeling

There are chemical products today, named P-Xylene-2-Sulfonic Acid. Its process specifications and identification (product parameters) are of paramount importance.
For process specifications, from the selection of raw materials, it is necessary to be pure and free of impurities, and to meet specific standards. The reaction process, temperature control, speed regulation, and timing are all based on precise methods. If the kettle is combined, the temperature should be constant at a certain degree, with a slight difference. The speed of stirring is related to the uniformity of fusion, and it cannot be ignored.
In terms of identification (product parameters), the amount of content must be accurately determined to clarify its quality. Appearance color, there are also fixed rules, or clear and transparent, or a certain color state. And on the packaging, the label is clear, from the name, content to the warning language, so that the user can see at a glance, without the risk of misuse, to ensure that this chemical product is smooth in all industrial affairs.

Preparation Method

To prepare p-xylene-2-sulfonic acid (P-Xylene-2-Sulfonic Acid), the method is as follows:
Raw materials and production process: Take p-xylene as the raw material, and use concentrated sulfuric acid as the sulfonating agent. The two are mixed in a specific container in an appropriate ratio.
Reaction steps: The mixed material is slowly heated and the temperature is controlled to a suitable range to fully react p-xylene with concentrated sulfuric acid. Continuous stirring is required to ensure a uniform reaction.
Catalytic mechanism: Concentrated sulfuric acid acts as a catalyst in this reaction to reduce the activation energy of the reaction, promote the sulfonation of p-xylene, and produce p-xylene-2-sulfonic acid. After the reaction is completed, the pure product can be obtained by separation and purification. In this way, it is also a method for preparing p-xylene-2-sulfonic acid.

Chemical Reactions & Modifications

Taste the technology of chemical industry, the wonderful thing is to change the properties of substances and become a novel product. Today there is P-Xylene-2-Sulfonic Acid, which is related to chemical reactions and modifications, and is really the key to research.
Its chemical reaction is like the sympathetic reaction of yin and yang, between the elements, P-Xylene-2-Sulfonic Acid is produced. The reaction conditions, temperature, pressure, and catalyst are all key, and there is a slight difference, or it may not be positive.
As for modification, we want to improve its performance and wide application. Or change its stability so that it can survive in different environments; or change its activity, suitable for various processes.
Our chemical researchers should be well-reasoned and clear-cut in order to improve the performance of P-Xylene-2-Sulfonic Acid and contribute to the chemical industry, so that this product can benefit the world and live up to the heart of research.

Synonyms & Product Names

I have heard that P-Xylene-2-Sulfonic Acid has many different names. The world may call it p-xylene-2-sulfonic acid, and it is also called 2-sulfonic acid-p-xylene. The names of goods in the market also have their own differences, but they all refer to the same thing. It is widely used in the field of chemical industry and is a key raw material for many products. Although the names are different, the essence of it is one. Chemical industry professionals, in all kinds of names, should be familiar with it, in order to be able to walk freely in the industry, identify its quality and use, so as not to be confused, so as to promote the smooth operation of the chemical industry and benefit the prosperity of the industry.

Safety & Operational Standards

"P-Xylene-2-Sulfonic Acid" is an important product of the chemical industry. When it comes to its safety and operating standards, it should not be careless.
When storing, choose a cool, dry and well-ventilated place. Although this product has certain properties, it is prone to change in case of moisture and heat. If placed in a damp place, it may cause quality damage and even cause unexpected chemical changes. And it should be separated from oxidized and reduced substances to prevent mutual reactions and cause disasters.
When operating, it is necessary to wear suitable protective equipment. Protective clothing, gloves and eyepieces are indispensable. This product may hurt the skin and erode the eyes. If you accidentally touch it, rinse it with clean water quickly, and seek medical attention for those who are serious. The operation room is well ventilated to prevent gas from gathering and poisoning people. When operating, the method should be stable and accurate. According to the established procedures, do not increase or decrease the steps or change the dose. The order of dosing and the degree of heating are all fixed, otherwise it will be dangerous.
Furthermore, the disposal of waste should not be ignored. Do not discard it in the field at will, or pour it into a ditch. It must be sorted and disposed of in accordance with environmental protection regulations to make it harmless. In this way, the safety of production, the peace of the environment, and the health of personnel can be guaranteed. This is the "P - Xylene - 2 - Sulfonic Acid" product safety and operating standards are important, practitioners, should keep in mind, practice.

Application Area

P-Xylene-2-Sulfonic Acid is also an essential chemical product. It is widely used and involved in various fields. In the dyeing and weaving industry, it can be used as a dyeing aid to make the color uniform and firm, and the color of the fabric is beautiful and does not fade for a long time. In the pharmaceutical industry, it can be used as an intermediate to help make all kinds of good medicines to help the world's diseases. In the preparation of fragrances, it can also participate in the process, helping to adjust the fragrance, resulting in a rich and unique aroma. As for leather tanning, it can help the leather to be flexible and increase its durability. In the field of industry and people's livelihood, its effectiveness is recognized, and it is an indispensable chemical product.

Research & Development

In recent years, we have studied P-Xylene-2-Sulfonic Acid, which has great potential in various fields. We have devoted ourselves to studying it. At first, we explored its physicochemical properties, analyzed its molecular structure, and understood its reaction rules. Then, we tried different methods to make it, seeking high efficiency and purity. During this period, we encountered various problems, such as the low yield and the disturbance of impurities, but we were not discouraged. After repeated trials and pondering, we gradually got better methods. Today, we have been able to make this product more stably, and the quality has increased. Looking to the future, we hope that it will be widely used in industry, medicine and other fields to promote the progress of various industries, and become a bright fruit on our scientific research road, adding brilliance to the academic and industry. We also hope that more researchers will explore it together and promote its long-term development.

Toxicity Research

The toxicity of P-Xylene-2-Sulfonic Acid is of great significance. This substance is becoming more and more widely used in industry, but its toxicity is unknown, so we need to investigate it in detail.
The chemical structure of the substance was initially observed, containing benzene ring and sulfonic acid group, or with special chemical activity. In animal experiments, an appropriate amount of the substance was administered to observe its physiological response. The test animals showed a slight difference in eating, activity, or mild listlessness.
The effect of the substance on cells was re-analyzed. In vitro cell culture, after adding the substance, the cell growth rate decreased slightly and the morphology also changed subtly. From this point of view, P-Xylene-2-Sulfonic Acid may have certain toxicity, and further research is needed to investigate its toxicological mechanism in detail to clarify its potential harm to organisms and the environment, and to provide a solid basis for safe production and application.

Future Prospects

P-Xylene-2 - Sulfonic Acid is also a new product in chemical engineering. Today, it is a product with excellent performance and great use. In the field of engineering, it can be used as a raw material for multi-synthesis, which holds great promise.
It has not been developed yet, and it is expected that it will be able to show its skills in the fine chemical industry. With the development of science and technology, research and refinement can be improved, or more fields can be developed. Its production technology is also improving day by day, improving efficiency and reducing consumption, and achieving excellence.
And under the consideration of the guarantee, if this product can conform to the concept of colorization, it will definitely be able to be developed. Or in the cutting-edge fields such as new materials and materials, we can expand our color, transform our work, add more tiles, and become a bright pearl that has not yet been developed.

Frequently Asked Questions

What are the main uses of P-Xylene-2-Sulfonic Acid?

P-xylene-2-sulfonic acid is widely used. In the chemical industry, it is often used as an intermediary in organic synthesis. For example, when preparing dyes with special structures, it can be used as a key raw material. By virtue of its own structural characteristics, it participates in complex chemical reactions. After delicate transformation, it builds the core structure of dye molecules and gives the dye its unique color, light and stability.
In the field of pharmaceutical synthesis, it also plays an important role. Some compounds with specific pharmacological activities are prepared, and p-xylene-2-sulfonic acid can play a unique catalytic or guiding role, helping to precisely synthesize target drug molecules, improving the purity and activity of drugs, and laying a solid foundation for pharmaceutical research and development and production.
In addition, it is also involved in the field of surfactant creation. By making specific chemical modifications to it, surfactants with special properties can be prepared to improve the interfacial properties of substances, such as enhancing wettability and dispersibility. It shows indispensable value in the manufacture of products such as detergents and emulsifiers, and is widely used in industrial production and daily life.

What are the physical properties of P-Xylene-2-Sulfonic Acid?

p-Xylene-2-sulfonic acid, this substance has different properties and unique physical properties.
Looking at its appearance, it is often white crystalline and has a fine texture, like finely crushed jade. This shape is easy to observe and handle. In many chemical operations, it is easy to measure and mix because of its stable shape.
In terms of solubility, it exhibits good solubility properties in water. Water is a common and widely used solvent, and p-xylene-2-sulfonic acid can be soluble in water. This property makes it uniformly dispersed in chemical reactions or preparation processes using water as a medium, which is conducive to the full progress of the reaction. And the dissolution process is accompanied by energy changes, but the heat of dissolution is moderate, neither intense exothermic cause the temperature of the system to rise sharply, nor excessive endothermic cause the system to cool down, which provides convenience for the stability of the reaction environment.
When it comes to melting point, p-xylene-2-sulfonic acid has a specific melting point range. This melting point is its inherent property and reflects the strength of intermolecular forces. At a specific temperature, the solid and liquid states reach equilibrium conversion. The accurate determination of this temperature is of great significance to material processing, purification and molding processes in chemical production. By controlling the temperature, the solid and liquid state transition can be accurately realized to ensure product quality and production efficiency.
In addition, the density of p-xylene-2-sulfonic acid is also a key physical property. The density data provides a reference for its storage, transportation and mixing operations. Substances of different densities are distributed differently in the system. According to the density of p-xylene-2-sulfonic acid, the storage container capacity and transportation mode can be reasonably planned to ensure the accurate quantity of materials and the safety of transportation.
In summary, the physical properties of p-xylene-2-sulfonic acid, from appearance, solubility, melting point to density, lay the foundation for its application in the chemical industry, and are extremely important for the control of related process design and operation.

What are the chemical properties of P-Xylene-2-Sulfonic Acid?

P-Xylene-2-Sulfonic Acid (P-Xylene-2-Sulfonic Acid) is a genus of organic compounds. It is active and has the commonality of sulfonic acid groups.
Looking at its acidity, the sulfur atom in the sulfonic acid group is connected to several oxygen atoms, and the electron cloud deviation causes hydrogen atoms to be easily dissociated, so it is strongly acidic and can be better ionized in water to release hydrogen ions. This acidity enables it to neutralize with alkali substances, such as interacting with sodium hydroxide to form p-xylene-2-sulfonic acid and water. This reaction is rapid and complete, following the principle of acid-base neutralization.
When it comes to nucleophilic substitution reactions, the sulfonic acid group can be replaced by nucleophilic reagents. The sulfonic acid group is a good leaving group. When encountering appropriate nucleophilic reagents, such as halogen ions, alkoxy ions, etc., the sulfonic acid group leaves, and the nucleophilic reagent replaces it to form a new organic compound. In this process, the control of reaction conditions is crucial. Temperature, solvent properties, etc. can affect the reaction rate and product selectivity.
Its solubility is also a characteristic. Due to the strong hydrophilicity of the sulfonic acid group, p-xylene-2-sulfonic acid has a certain solubility in water. However, its molecule also contains the hydrophobic part of p-xylene, so its solubility is not infinite. In organic solvents, the solubility varies depending on the polarity and structure of the solvent. In polar organic solvents, if the solubility is higher than that of non-polar solvents, the Gein sulfonic acid group can form hydrogen bonds or other intermolecular forces with polar solvent molecules.
And because of its benzene ring structure, it has certain stability and aromatic properties. The conjugate system of benzene rings imparts certain electronic delocalization characteristics to molecules, which affects their chemical activity and spectral properties. P-xylene-2-sulfonic acid is rich in chemical properties and has important uses in many fields of organic synthesis and chemical production. It can be used as an intermediate to prepare a variety of organic compounds.

What are the preparation methods of P-Xylene-2-Sulfonic Acid?

The method of preparing p-xylene-2-sulfonic acid (P-Xylene-2-Sulfonic Acid) is the method of sulfonation in the past. The cover is based on p-xylene, and the appropriate sulfonating agent is selected. The common ones are concentrated sulfuric acid or fuming sulfuric acid, both of which have strong sulfonation energy.
When using concentrated sulfuric acid as a sulfonating agent, pour p-xylene into concentrated sulfuric acid gradually, and make it fully react at a specific temperature and time. Temperature control is crucial. If it is too high, side reactions will be plentiful, and if it is too low, the reaction will be slow. Usually the temperature is controlled in a moderate range, or stirring is required to promote mass transfer and make the reaction uniform. In this process, the sulfonic acid group (-SOH) of sulfuric acid reacts with the specific position of p-xylene to form p-xylene-2-sulfonic acid.
If fuming sulfuric acid is used, because it contains higher concentrations of sulfur trioxide, the sulfonation activity is stronger and the reaction rate may be faster. However, it is also necessary to fine-tune the reaction conditions to prevent excessive sulfonation. During operation, add p-xylene slowly to the fuming sulfuric acid, and pay close attention to the release of the reaction heat to prevent the temperature from getting out of control.
After the reaction is completed, the separation and purification of the product is also the key. Neutralization, crystallization, filtration, etc. can be used. First neutralize the excess acid with basic substances and adjust it to a suitable pH value. Then cooling crystallization, so that p-xylene-2-sulfonic acid crystallized, and finally filtered to obtain a pure product.

P-Xylene-2-Sulfonic Acid What are the precautions during use?

P-Xylene-2-Sulfonic Acid, that is, p-xylene-2-sulfonic acid. During use, all precautions are essential.
First of all, safety protection must be comprehensive. This acid is corrosive and will cause serious burns if it touches the skin or eyes. Therefore, when taking it, wear strict protective equipment, such as acid and alkali resistant gloves, protective glasses and laboratory clothes. If accidentally contaminated, rinse with plenty of water immediately and seek medical attention as soon as possible.
Second, storage should also be cautious. It should be placed in a cool, dry and well-ventilated place, away from fire and heat sources, to prevent danger. At the same time, it should be stored separately from oxidants, alkalis, etc., and should not be mixed to avoid chemical reactions.
Furthermore, the operation process must be standardized. Perform relevant operations in the fume hood to prevent acid mist from escaping and endangering human health. When configuring the solution, the acid should be slowly poured into the water and stirred constantly. Do not pour the water into the acid, otherwise the liquid will splash due to severe heat release.
In addition, after use, the disposal of its waste should not be ignored. It is necessary to follow relevant environmental protection regulations, properly dispose of it, and do not dump it at will to avoid polluting the environment.
In conclusion, when using P-Xylene-2-Sulfonic Acid, all the above precautions should be taken with care and must not be neglected to ensure safe operation and avoid accidents.