P-Phenylsulfonic Acid

Lingxian Chemical

Specifications

HS Code	545014
Chemical Formula	C6H6O3S
Molar Mass	158.175 g/mol
Appearance	White to off - white solid
Solubility In Water	Soluble
Odor	Odorless
Ph Aqueous Solution	Acidic
Melting Point	43 - 44 °C
Boiling Point	Decomposes
Density	1.38 g/cm³
Acidity Pka	Strongly acidic

Packing & Storage

Packing	500g of P - Phenylsulfonic Acid packaged in a sealed, corrosion - resistant plastic bottle.
Storage	P - Phenylsulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat sources and open flames. Keep it in tightly closed containers to prevent moisture absorption, as it can react with water. Store it separately from incompatible substances like strong oxidizing agents and bases to avoid chemical reactions that could pose safety risks.
Shipping	P - Phenylsulfonic Acid should be shipped in tightly - sealed, corrosion - resistant containers. It must be transported in accordance with hazardous chemical regulations, avoiding exposure to heat, moisture, and incompatible substances.

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General Information

Historical Development

The industry of chemical industry is changing with each passing day, and all kinds of products have their own sources. P-Phenylsulfonic Acid has its own unique development trajectory in the past. At the beginning, chemists explored physical properties and gradually understood their characteristics. At that time, the conditions were not as complete as they are today, but everyone tried their best. After countless trials, analyze its ingredients and study its production method. Start with simple equipment, conduct difficult experiments, and gradually improve the process. Years pass, technology evolves, and the preparation method becomes more and more exquisite. From the initial ignorance and exploration, to gradually being able to control the subtlety of its reactions, so that the quality of output can be improved. In this process, countless sages dedicated their efforts, eventually resulting in P-Phenylsulfonic Acid gaining a place in the chemical industry, laying the foundation for many future applications.

Product Overview

P - Phenylsulfonic Acid is a genus of organic compounds. Its shape is often white crystalline and has unique characteristics. P - Phenylsulfonic Acid can be obtained by sulfonation of benzene and concentrated sulfuric acid. It is widely used in chemical fields. In the production of dyes, it can be an intermediate, which helps the color of dyes; in the research of drugs, it also has its function, or can be used as a basis for synthesis, promoting the good efficacy of drugs. And its acidic properties, in some chemical reactions, can be used as a catalyst to make the reaction smooth and fast. Looking at its properties, water-soluble and ionized, showing the sign of acidity. In its structure, the benzene ring is connected to the sulfonic acid group, giving it unique chemical activity. This compound is an indispensable material in the chemical industry.

Physical & Chemical Properties

"On the Physical and Chemical Properties of p-toluenesulfonic Acid" p-toluenesulfonic acid is an important chemical substance. Its physical properties are normally white needle-like or powdery crystals with a specific odor. The melting point is about 106-107 ° C, and this temperature characteristic enables it to undergo phase transition under specific conditions. In terms of chemical properties, it has strong acidity. It can be used as a catalyst in many chemical reactions because it can effectively reduce the activation energy of the reaction and accelerate the reaction process. In the field of organic synthesis, it often participates in esterification, dehydration and other reactions. Its acidity is derived from the push electron effect of methyl groups on the benzene ring, which enhances the acidity of the sulfonic acid group. and p-toluenesulfonic acid has good stability. When it encounters a strong oxidant, it will also undergo oxidation reaction. It is widely used in the organic chemistry industry, which is determined by its unique physical and chemical properties.

Technical Specifications & Labeling

The process specification and identification (product parameters) of this research P-Phenylsulfonic Acid. The method of its preparation is to take benzene and concentrated sulfuric acid first, and put them into a special kettle in an appropriate amount. Control its temperature to slow down the reaction. During this period, it is necessary to observe the change of temperature and pressure to ensure that the reaction is stable and smooth. After the reaction is completed, it is refined by various methods. After this process, the product obtained should meet the specific label. Looking at its color, it should be pure and bright; measuring its degree, the purity must reach a high standard; testing its quality, all parameters are in accordance with the established rules. In order to ensure the quality is constant, each batch of production must be checked in detail. P-Phenylsulfonic Acid was prepared according to the process specification and labeling requirements, which can be used in various fields and meet the needs of the industry.

Preparation Method

The raw materials and production process of P-Phenylsulfonic Acid are the key to this product. Take benzene as the raw material, and use concentrated sulfuric acid as the sulfonating agent, and mix the two in an appropriate ratio. Under heating environment, benzene and concentrated sulfuric acid sulfonate. The reaction steps are as follows: first pour benzene into the reaction kettle, slowly inject concentrated sulfuric acid, and heat at controlled temperature to make the two fully react. The catalytic mechanism of this reaction is that the strong oxidation and acidity of concentrated sulfuric acid work together to promote the replacement of hydrogen on the benzene ring by the sulfonic acid group. After the reaction is completed, P-Phenylsulfonic Acid can be obtained through cooling, separation and other processes. In this way, pay attention to the proportion of raw materials, reaction temperature and operation steps to get good products.

Chemical Reactions & Modifications

The wonders of chemical industry are related to reaction and modification, and the same is true for P-Phenylsulfonic Acid products. At the beginning of the chemical reaction, benzene and concentrated sulfuric acid are co-heated, and the sulfonation changes. On the benzene ring, hydrogen is replaced by a sulfonic acid group to obtain P-Phenylsulfonic Acid. This reaction requires temperature control and agent selection to achieve high efficiency. As for modification, in order to increase its water solubility, a hydrophilic group can be introduced next to the sulfonic acid group. If the hydroxyl group and carboxyl group belong to the genus, it will be more easily dispersed in water. Or adjust its acidity and neutralize it to obtain the corresponding salt and change its chemical activity. In this way, P - Phenylsulfonic Acid products due to reaction and modification, a wide range of uses, in printing and dyeing, catalysis, all have extraordinary effect, Zhang chemical energy, benefit the industry.

Synonyms & Product Names

P-Phenylsulfonic Acid, its synonymous name and the name of the commodity, are all important items in my chemical research. P-Phenylsulfonic Acid, also known as p-benzenesulfonic acid. The name of p-benzenesulfonic acid is because the sulfonic acid group in its structure is connected to the benzene ring. In commerce, it is also known as common. Its synonymous name, or if it has another name according to its characteristics and structure, it all refers to the same thing. p-benzenesulfonic acid is widely used in industrial and scientific research. It can be used as a catalyst to promote the reaction in many organic reactions; it is also used in the synthesis of dyes, medicine and other industries, and is an important raw material for the preparation of various compounds. Due to its unique chemical properties, it occupies a key position in the chemical production chain, so researchers need to know its synonymous names and trade names in detail in order to communicate and apply them accurately.

Safety & Operational Standards

"P-Phenylsulfonic Acid Product Safety and Operation Specifications" The husband of P-Phenylsulfonic Acid is one of the chemical products. If you want to use this product, you must first clarify its safety and operation specifications, in order to obtain its benefits and avoid its harm. In terms of safety, this product has certain characteristics. Its smell is pungent, and if inhaled too much, it may hurt the respiratory tract. Therefore, in the place of operation, keep the ventilation smooth, and prepare a ventilator to allow the air to circulate and avoid the accumulation of toxic gases. And this thing touches the skin, or causes discomfort, or even burns. Therefore, when handling, take care of protective equipment, such as gloves, goggles, protective clothing, etc., to prevent accidents. As for the operation specifications, the first priority is to keep the environment clean and orderly. The utensils used must be cleaned first, so as to avoid the mixing of sundries and cause qualitative changes to the product. When preparing the agent, according to the exact ratio, the gauge shall prevail, and it cannot be increased or decreased arbitrarily. In the step of heating, it is especially necessary to be cautious, control its temperature and heat, and avoid thermal explosion. The method of storage should not be ignored. It should be placed in a cool and dry place, away from fire sources and oxidants, to prevent fire and explosion. And it needs to be clearly marked, indicating its nature and attention, so that the user can see it at a glance. In short, the use of P-Phenylsulfonic Acid must comply with safety and operating standards. This is the key to ensuring people's safety and material integrity, and it cannot be slack. In this way, it can be used in chemical research and production smoothly and achieve the desired purpose.

Application Area

P - Phenylsulfonic Acid is also a compound of sulfonic acid. Its use has many implications for the field of work. In the field of dyes, this compound is often an important raw material. Because of its ability to reduce the color of dyes, the color of dyes is fixed and bright. Can be colored, to meet different needs, so that the dye can be dyed, the color is beautiful, and it will not fade for a long time. And in the world of, it also occupies an important position. Can be used for the synthesis of ingredients in the middle, to help the synthesis of ingredients. With its unique chemical properties, it can promote the reaction, and obtain the required molecules, so as to reduce the disease of the world. Furthermore, P-Phenylsulfonic Acid can increase its decontamination ability in the manufacture of washing materials. It can make washing materials more soluble in water, and interact with the pollution phase to disperse and emulsify them. Therefore, this compound has great value in the field of general application.

Research & Development

Since modern times, the art of chemistry has become more and more new, and all kinds of substances have appeared. Among them, P-Phenylsulfonic Acid has attracted the heart of our inquiry. We have studied its properties and studied its system in detail. Observe its structure, observe its reaction, and try it again and again in the laboratory. Begin to know that it is useful in many fields. It can be used as a catalyst to accelerate the process of reaction, and it has made extraordinary contributions to the way of organic synthesis. It can also be used in drug research and development, adding to the road of healing. However, if you want to use it widely, you still need to improve. We should continue to study the holy art day and night, explore its unknown secrets, and seek better methods. We hope to make unremitting efforts to promote the development of this material, benefit the world, and live up to the mission of scientific research.

Toxicity Research

The industry of chemical industry is related to people's livelihood, but the study of poisons in the meantime should not be careless. The study of P-Phenylsulfonic Acid's toxicity is very important. P-Phenylsulfonic Acid has acid properties, or responds to other things in time, or has unexpected changes. Taste all kinds of things and try them, observe their application to the body, and observe their differences in form and spirit. In the body of a microworm, apply this thing, and see that its movement is chaotic, and its life and breath are not smooth, as if it is disturbed by its poison. And this thing is soluble and dispersed in water. If it enters rivers and lakes, it may harm the aquarium. Also consider its qi, if it is vented in the air, people will inhale it, or hurt the lungs, causing cough and shortness of breath. Therefore, study its toxicity and understand its harm, so that regulations can be made to prevent it, ensure the safety of all beings, protect the peace of the environment, and do not let poisons go unchecked, which will cause harm to the world.

Future Prospects

Today there is a product called P-Phenylsulfonic Acid. This is an important chemical product with a wide range of uses. Looking at its future, the potential is unlimited. p-benzenesulfonic acid is often used in organic synthesis as a key auxiliary agent to promote the progress of the reaction and increase the purity of the product. In industry, it also has great uses, such as making dyes, surfactants, etc., all depend on this. Looking forward to the future, technology will be new, and the application of p-benzenesulfonic acid may be expanded to new fields. Its performance is expected to be refined and more suitable for diverse needs. Our chemical researchers should explore the physical properties, explore new opportunities, and hope to create a new situation based on p-benzenesulfonic acid, so that this product will shine in the future, be used by the world, and benefit all people. This is our vision.

Frequently Asked Questions

What is the Chemical Structure of P-Phenylsulfonic Acid?

P-Phenylsulfonic acid (P-Phenylsulfonic Acid), its chemical structure is formed by connecting the benzene ring with the sulfonic acid group (-SO-H). The benzene ring is a six-membered carbon ring, with a conjugated π electron system, showing a planar hexagonal structure. The carbon-carbon bonds are of equal length and lie between the single bond and the double bond. This special structure endows the benzene ring with stability and aromaticity. In the sulfonic acid group, the sulfur atom is connected to two oxygen atoms by a double bond, and a single bond is connected to a hydroxy group (OH). The outer electron of the sulfur atom is in a sp ² hybrid state, forming a planar triangular configuration. The sulfonic acid group is connected to the carbon atom of the benzene ring, and this connection changes the electron cloud density distribution of the benz Due to the strong electron absorption of the sulfonic acid group, the electron cloud of the benzene ring is biased towards the sulfonic acid group, so that the density of the adjacent and para-potential electron clouds of the benzene ring is relatively reduced, and the density of the meta-potential electron cloud is slightly increased. After the benzene ring is connected to the sulfonic acid group, the physical and chemical properties of P-phenyl sulfonic acid also change. The strong polarity of the sulfonic acid group makes the compound more water-soluble, and the sulfonic acid group can ionize hydrogen ions in water, which is acidic, and can participate in many acid-base reactions and reactions with metal ions to form salts. Its chemical structure characteristics also affect its activity and selectivity in organic reactions such as electrophilic substitution and nucleophilic substitution.

What are the main uses of P-Phenylsulfonic Acid?

P-Phenylsulfonic acid (P-Phenylsulfonic Acid) has a wide range of uses and is useful in various fields of chemical industry. First, it is often used as a catalyst in the process of organic synthesis. It has acidic properties and can promote the progress of many organic reactions. For example, in the esterification reaction, alcohols and carboxylic acids can form ester compounds smoothly under its catalysis. In this reaction, P-benzene sulfonic acid can polarize the carbonyl group of carboxylic acids, making them more susceptible to nucleophilic attack by alcohols, thereby accelerating the reaction process and improving the yield of esters. In the alkylation reaction, it can also play a catalytic role, helping alkyl groups to connect smoothly to specific organic molecules, providing assistance for the construction of complex organic structures. Second, in the dye industry, P-benzenesulfonic acid is also indispensable. It can be used as a raw material for dye intermediates and converted into various dye components through a series of chemical reactions. Due to the characteristics of benzene ring structure and sulfonic acid group, it can endow dyes with specific colors, stability and solubility. With this, dyes with rich colors and excellent fastness can be prepared, which are widely used in textiles, printing and dyeing and other industries, making fabrics show brilliant colors. Third, it is also useful in the field of medicine. It can participate in part of the drug synthesis process, and its acidity and chemical activity help to construct the specific structure of drug molecules to meet the requirements of biological activity and solubility of drugs. Through rational design and reaction, drugs can be more easily absorbed by the human body and exert their efficacy, providing important support for pharmaceutical research and development and production. Fourth, in the preparation of surfactants, P-benzenesulfonic acid can be used as a raw material or modifier. The sulfonic acid group can endow surfactants with good hydrophilicity and emulsification properties, help reduce the surface tension of liquids, and form a stable emulsion in the oil-water system. It is widely used in detergents, cosmetics and other products to improve the cleaning and dispersion properties of products.

What are the Physical Properties of P-Phenylsulfonic Acid?

Benzenesulfonic acid is also an organic compound. Its physical properties are quite numerous, and it is now Jun Chen's. Looking at its properties, it is a colorless needle-like or flake-like crystal under normal circumstances, which is quite regular. Smell it, there is no special odor emitted, and it is relatively peaceful. When it comes to the melting point, it is about 106-107 ° C. At this temperature, the solid terephthalenesulfonic acid begins to melt into a liquid state, which is the key node of its physical state transformation. As for solubility, it is easily soluble in water and alcohols. Water is the source of life, and terephthalenesulfonic acid is friendly to it, and it can be well dispersed and dissolved in water. Alcohols such as ethanol are also common solvents, and terephthalenesulfonic acid can also be fused with it. This property makes it a good solute in many chemical reactions and industrial applications. Furthermore, the density of terephthalenesulfonic acid is about 1.38g/cm ³, which indicates that its mass per unit volume reflects the compactness of its internal structure. And because of its molecular structure with a sulfonic acid group, this group makes p-benzenesulfonic acid exhibit a certain acidity, but its acidity is weaker than that of common strong acids, and it should not be underestimated. In some chemical reactions, its acidic properties can play a key role in affecting the direction and rate of the reaction. In summary, the physical properties of p-benzenesulfonic acid are of great significance in many fields such as chemical research and industrial production, laying the foundation for relevant practitioners to understand and use this compound.

What are the Preparation Methods of P-Phenylsulfonic Acid

The method of making benzene sulfonic acid is often to co-heat benzene and concentrated sulfuric acid. The two are mixed in a flask and slowly heated in an oil bath or sand bath. When the temperature reaches 100 to 150 degrees Celsius, benzene reacts with sulfuric acid, and raw benzene sulfonic acid reacts with water. The reaction formula is: $C_6H_6 + H_2SO_4 (concentrated) \ stackrel {\ Delta }{=\!=\!=} C_6H_5SO_3H + H_2O $. When operating, pay attention to the following numbers. First, concentrated sulfuric acid is highly corrosive. When taking it, be careful to avoid it touching the skin and clothing. Second, heat it slowly to prevent the reaction from being too fast and dangerous. Third, after the reaction is completed, the product needs to be separated and purified. The reaction solution can be diluted with water first, followed by alkali solution to neutralize excess sulfuric acid, and then the benzenesulfonic acid can be extracted with an organic solvent, and then distilled or recrystallized to obtain pure benzenesulfonic acid. There are also those who react with fuming sulfuric acid and benzene to produce benzenesulfonic acid. Fuming sulfuric acid contains higher concentrations of sulfur trioxide, has stronger reactivity, can be carried out at lower temperatures, and has a higher yield. However, fuming sulfuric acid is more corrosive and more difficult to operate, requiring stricter safety measures. The key to making benzenesulfonic acid is to control the reaction conditions and pay attention to safe operation, so that it can be effectively obtained.

P-Phenylsulfonic Acid Storage and Transportation

In the case of toluenesulfonic acid, many matters need to be carefully paid attention to during storage and transportation. In terms of storage, the first priority is the drying of the environment. This substance is water-absorbing, and if it is in a humid place, it is easy to deliquescent and deteriorate, which affects its quality and performance. Therefore, it should be placed in a dry warehouse to prevent moisture erosion. The temperature of the warehouse should also be controlled and should not be too high. Because it is easy to decompose when heated, excessive temperature or decomposition reactions occur, generating harmful gases that not only damage the substance itself, but also endanger the safety of the surrounding area. Generally speaking, the temperature should be maintained at room temperature and relatively constant state. Furthermore, the storage place should be away from fire and heat sources. Toluenesulfonic acid is flammable, and there is a risk of combustion and explosion in case of open flames and hot topics. It should not be stored and transported with oxidants, because the mixing of the two can easily cause violent chemical reactions and lead to dangerous accidents. As for transportation, the packaging must be solid and tight. It is necessary to ensure that the packaging is not damaged or leaked to prevent material overflow. The transportation vehicle should also be clean and dry, and there should be no residual other chemicals to avoid adverse reactions. During transportation, exposure to the sun and rain should be avoided to prevent extreme changes in temperature and humidity. Drivers and escorts should also be familiar with its characteristics and emergency response methods. In case of emergencies, they can respond quickly and correctly to ensure transportation safety.