Benzenesulphonic Acid

Lingxian Chemical

Specifications

HS Code	756284
Chemical Formula	C6H6O3S
Molar Mass	158.17 g/mol
Appearance	White to pale yellow solid
Odor	Odorless
Solubility In Water	Highly soluble
Melting Point	43 - 44 °C
Boiling Point	Decomposes
Density	1.329 g/cm³
Acidity Pka	~ -6.5
Ph Of 1 Solution	1.0 - 2.0

Packing & Storage

Packing	250 - gram bottle of benzene sulphonic acid, tightly sealed for safe storage.
Storage	Benzenesulphonic acid should be stored in a cool, dry, well - ventilated area away from heat sources and ignition points. It should be isolated from strong oxidizing agents and bases. Store it in tightly - sealed containers made of corrosion - resistant materials, like plastic or glass, to prevent spills and contact with air, which could lead to degradation or unwanted reactions.
Shipping	Benzenesulphonic acid is shipped in suitable containers, safeguarded from moisture and heat. As it's a chemical, adherence to strict shipping regulations for hazardous substances ensures safe transportation.

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General Information

Historical Development

Benzenesulfonic acid is also a chemical thing. Its evolution in history is quite worth exploring. In the past, when chemistry was not yet developed, everyone knew about this thing. And science gradually flourished, and all the sages worked tirelessly. At the beginning, I didn't know much, but only knew a little about its characteristics. However, chemists tried their best and tried it again and again. Or between bottles and dishes, to observe its reaction; or in books, to find its root. Gradually understand its nature, and also know how to prepare it. As the years passed, the preparation techniques became more refined and used more widely. From the beginning, it was limited to experiments, and later it was used in various industries, such as chemicals and medicine. In the process of history, it is like the stars gradually shining, from obscure to prominent, used by human beings to promote the progress of the world, and its achievements are great.

Product Overview

Benzene sulfonic acid is also an organic compound. Its form is usually a colorless crystal, highly acidic, and highly soluble in water.
This compound has a wide range of uses. In the industrial field, it is often used as a catalyst to assist in the progress of various organic reactions, such as esterification reactions, which can greatly increase the reaction rate and improve the production efficiency. And in the manufacture of detergents, it is also indispensable, which can enhance the detergent's decontamination ability and make stains easier to remove.
The method of preparation is often obtained by co-heating benzene and concentrated sulfuric acid. During the reaction, a sulfonic acid group is introduced on the benzene ring, and benzene sulfonic acid is formed.
Looking at its chemical properties, it is significantly acidic and can neutralize with alkali substances to form corresponding benzenesulfonates. Because of its unique structure and properties, it plays an important role in organic synthesis and chemical industry, providing key raw materials and assistance for the preparation of many chemical products.

Physical & Chemical Properties

Benzenesulfonic acid is also an organic compound. Its physical and chemical properties can be studied. Looking at its physical properties, it is mostly solid at room temperature, white or white, hygroscopic, and easily soluble in water. This is because of the hydrophilicity of the sulfonic acid group.
In terms of its chemical properties, it is quite acidic, and the sulfonic acid group can ionize hydrogen ions. It can neutralize with bases to generate corresponding benzenesulfonic salts. It can also participate in many organic synthesis reactions, such as interacting with alcohols, or forming ester compounds.
In industry and scientific research, benzenesulfonic acid is widely used. Because of its acidic properties, it is often used as a catalyst to assist in the progress of organic reactions. And because of its good water solubility, it is easy to operate and separate products in some chemical processes. The study of its physical and chemical properties is of vital significance to expand its application field and optimize the preparation process.

Technical Specifications & Labeling

Process Specifications and Identification of Benzenesulfonic Acid (Commodity Parameters)
For benzenesulfonic acid, the preparation of benzenesulfonic acid requires strict craftsmanship. In the reactor, the temperature is controlled in a specific range, the sulfuric acid and benzene are mixed in precise proportions, and the stirring is moderate to ensure that the reaction is sufficient. After the reaction is completed, fine separation and purification processes are carried out to remove impurities and obtain high-purity products.
In terms of identification, the name "benzenesulfonic acid" is prominently displayed on the packaging, and a warning icon is attached to indicate its chemical characteristics. The product parameters are detailed in purity, density, boiling point, etc. The purity needs to reach specific standards, and the density and boiling point are also strictly defined to meet the

Preparation Method

To make benzene sulfuric acid, the raw materials and production method are related to the chemical industry. Benzene and concentrated sulfuric acid are often used as raw materials, and the two are combined in phase. The reaction step is to slowly pour benzene into hot concentrated sulfuric acid, and the temperature needs to be carefully controlled to ensure a smooth reaction. In this case, benzene and concentrated sulfuric acid are mixed in a specific ratio, and the reaction is promoted by heating. The sulfuryl group of sulfuric acid replaces the hydrogen atom of the benzene ring to form benzene sulfuric acid.
In this process, the catalytic mechanism is indispensable. Sulfuric acid itself has the dual functions of a reactant and a catalyst, helping to accelerate the reaction. And during the reaction, it is necessary to pay attention to observe the phenomenon and adjust the conditions in a timely manner, such as temperature In this way, benzenesulfonic acid products with suitable purity can be prepared by a suitable process and used in many chemical fields.

Chemical Reactions & Modifications

"On the Chemical Reaction and Modification of Benzenesulphonic Acid"
In this word, benzenesulphonic acid (Benzenesulphonic Acid), the chemical reaction and modification of this substance are related to many things. Its nature is active, and it can undergo many changes at the sulfonic acid group.
If it reacts with a base, the sulfonic acid group is easy to combine with metal ions to form a sulfonate. This reaction is often mediated by water, and the temperature is appropriate. Looking at its modification, it is important to introduce other groups. If you want to change its solubility, you can add a hydrophilic group to increase the solubility of water; if you want to change its chemistability, add a reactive group to expand the reaction path.
These two, reaction and modification, complement each other. The reaction is a modified group, and Good research, in the chemical industry, pharmaceutical fields, are of great use, can promote new products, expand the boundaries of technology.

Synonyms & Product Names

Benzenesulphonic Acid has many other names, and its name is also interesting when it comes to commercially available products.
Benzenesulphonic acid, or sulfobenzene, is named according to its molecular structure. Among the shops, there are also those who are called for their characteristics. For example, those with wide industrial use are called industrial benzenesulfonic acid, which is specially made for industrial production and helps the development of chemical industries.
There are also refiners, called refined benzenesulphonic acid, which is pure and can be used in fine chemicals, pharmaceutical synthesis and other places with strict purity requirements. These are all the same thing and different names, each has its own use, and is of great value in the field of chemical industry. From its name, its nature and uses can be seen, and it is also well known to our generation of chemical researchers.

Safety & Operational Standards

"Specifications for the Safety and Operation of Benzenesulfonic Acid Products"
Benzenesulfonic acid is also an important product in the chemical industry. It is lively and has many applications in industrial things. When it is used, safety and regulations should not be ignored.
When preparing, all utensils should be clean and firm. The amount of all medicines used must be accurate, and the order should not be disorderly. The control of kettle temperature is especially important. It must be followed by a fixed method. It should rise slowly and gradually, and it should not be high or low, which will cause misfortune.
The method of storage should be used in a cool and dry place, away from direct sunlight, and away from fire sources. Seal it strictly to prevent leakage. If there is a leak, quickly move it to a safe place, clean the dirt and remove the filth, and do not spread.
The operator must wear protective gear, cover the body with clothing, protect the hands with gloves, and protect the eyes with mirrors. When touching it, be careful not to get it on the skin or into the eyes. If you accidentally dye it, wash it with water as soon as possible, and seek medical attention for those who are serious.
When handling, lift it gently and place it firmly, so as not to cause shocks and collisions. Loading and unloading vehicles follow regulations to ensure their stability.
The principle of waste is also to follow the law. Do not discard it at will, when collected, turn harm into profit, or send it to a designated place and dispose of it according to regulations.
In short, benzenesulfonic acid industry, safe operation and regulations, is a long-term must. Practitioners, do not slack, to ensure that all things go well, safe and sound.

Application Area

Benzenesulfonic acid is also a chemical product. Its field of application is quite wide. In industry, it is often a catalyst. Such as the hydrolysis of oils and the conversion of sugars, all rely on its catalytic power to make the reaction go faster, the effect is increased and time is saved.
In the pharmaceutical industry, it also has its use. It is a raw material for synthetic drugs, a system of pharmaceutical aids, and is related to the healing of diseases. In addition, in the field of dyeing and weaving, it can be used as an auxiliary agent, and the dye is applied to the fabric, which is brighter and stronger.
And in the manufacture of detergents, it is also indispensable. It can increase the cleaning effect, make the stain easy to remove, and make the material clean again. From this point of view, benzenesulfonic acid has its own importance in various application fields, and has made great contributions to industry, medicine, dyeing and weaving, cleaning and other industries.

Research & Development

Yu Taste is dedicated to the research of Benzenesulphonic Acid. This substance has unique properties, a wide range of uses, and great potential in various fields of chemical industry.
Begin to study the preparation method, test the number of paths, carefully observe the reaction conditions and the proportion of raw materials, and strive to obtain the optimal method to increase its yield and improve its purity. During the process, it is difficult to encounter many difficulties, the reaction is difficult to control, and the impurities are difficult to remove, all of which are challenges. However, I did not dare to slack off, repeated experiments, careful analysis, and finally obtained a method, which can produce high-quality products stably.
Then study its properties, and study the physical and chemical characteristics to understand its changes in different environments. It also explores its application and tries it in printing and dyeing, pharmaceutical and other industries. It shows that its effect is significant and can contribute to the development of industry.
Looking at its development now, the prospect is broad. I should make unremitting efforts to further expand its application and contribute to the progress of chemical industry, so that this substance can play a greater value and benefit everyone.

Toxicity Research

Toxicity Study of Benzenesulfonic Acid
The toxicity of benzenesulfonic acid is related to the health of people's livelihood and cannot be ignored. Benzenesulfonic acid is a chemical substance and has a wide range of industrial uses.
After various experiments, benzenesulfonic acid has a certain irritation. If it is touched by the skin, it may cause redness, swelling and itching; if it enters the eyes, it is particularly harmful and can damage vision. And if it is not accidentally entered into the body, ingested through mouth or breathing, or disturbing the functions of the human body and organs.
However, its toxicity is also controlled by many factors, such as the level of concentration and the duration of exposure. Short-term exposure to high concentrations, or long-term exposure to low concentrations, has very different symptoms. In order to ensure the safety of the public, in the use and storage of benzenesulfonic acid, strict procedures should be followed and protective equipment should be prepared to reduce harm. Research continues to explore more toxic mechanisms, in order to prevent problems before they occur.

Future Prospects

In today's world, benzenesulfonic acid has been used in many fields, such as dyes, washing and manufacturing, and has been used for a long time. However, our eyes are looking at more.
First, the road to colorization of benzenesulfonic acid is researched. Strive to reduce pollution in the process, improve the utilization rate of energy sources, and meet the needs of the next generation. Second, the performance also needs to be refined. It is expected that it has a better performance in catalysis, reaction activity, etc., so as to meet the increasingly diverse needs of labor. Third, expand the new field of application. Or it can be used in frontier fields such as new energy and new materials to open up a new world.
Our chemical researchers, adhering to the heart of intensive research and wisdom, promote the development of benzenesulfonic acid products in the future, and work together and develop with the company.

Frequently Asked Questions

What are the main uses of Benzenesulphonic Acid?

Benzenesulfonic acid has a wide range of uses. First, in the field of organic synthesis, it is often an important intermediate. It can be converted into various organic compounds with special properties and uses through ingenious chemical reactions. For example, it can combine with alcohols and obtain sulfonate through esterification. This sulfonate has important applications in flavors, medicine and other industries, or can give flavors a unique aroma, or in drug synthesis as a key structural fragment to improve the properties of drugs and improve their efficacy.
Second, in industrial catalysis, benzenesulfonic acid also has its own capabilities. Because of its acidic properties, it can act as an acid catalyst. In many chemical reactions, such as the hydration reaction of olefins, benzenesulfonic acid can accelerate the process of the reaction, reduce the activation energy required for the reaction, make the reaction proceed under milder conditions, and can improve the yield and selectivity of the reaction, saving energy and improving efficiency for industrial production.
Third, in the dye manufacturing industry, benzenesulfonic acid is also indispensable. It can provide the necessary structural unit for dye synthesis, and through complex chemical synthesis steps, it can construct colorful dyes with excellent performance. Such dyes are widely used in textiles, printing and dyeing and other fields, giving fabrics rich and brilliant colors, and have good light resistance, washing resistance and other properties.
Fourth, in the detergent industry, benzene sulfonic acid can be used as a raw material to prepare alkylbenzene sulfonate surfactants. This surfactant has excellent decontamination, emulsification and dispersion capabilities, and can effectively remove oil stains and stains. It is widely used in household detergents and industrial cleaning agents, making great contributions to the cleaning industry.

What are the Physical Properties of Benzenesulphonic Acid?

Benzenesulfonic acid is one of the organic compounds. It has unique physical properties, as detailed below.
Under normal temperature and pressure, benzenesulfonic acid is in the state of colorless needle-like or flake-like crystals, which shows the regularity of its texture. Its smell does not have a special and significant smell. This odorless nature makes it unnoticeable in many scenes due to smell.
As for the melting point of benzenesulfonic acid, it is about 104-106 ° C. When the temperature reaches this point, benzenesulfonic acid gradually melts from solid to liquid. This melting point characteristic is of great significance in the process of chemical production, separation and purification, and can provide a key basis for controlling temperature to treat benzenesulfonic acid. The solubility of benzenesulfonic acid is also an important physical property. Benzenesulfonic acid is highly soluble in water and rapidly diffuses and dissolves in water. Because of the strong hydrophilic group in the molecular structure of benzenesulfonic acid, it exhibits good solubility in the aqueous phase. Not only that, it also has a certain solubility in organic solvents such as ethanol and ether, which makes it widely used in chemical reactions and substance transfer processes of different solvent systems.
Furthermore, benzenesulfonic acid has a relatively high density, which is higher than that of water. This density characteristic has a significant impact on chemical operations such as liquid-liquid separation and mixing, and can be effectively separated or uniformly mixed with other substances according to its density difference.
Benzenesulfonic acid has the physical properties of colorless needle-like or flake crystal shape, odorless, specific melting point, good solubility, and relatively high density. These properties are interrelated and together determine its unique application and important position in many fields such as chemical industry and scientific research.

What are the Chemical Properties of Benzenesulphonic Acid?

In benzenesulfonic acid, there are compounds with sulfonic acid groups attached to the benzene ring. Its chemical properties are specific and can be written.
First, it is acidic. Because of the sulfonic acid group, benzenesulfonic acid can ionize hydrogen ions in water and is acidic. Its acidity is quite strong, even stronger than carbonic acid. This acidity enables benzenesulfonic acid to neutralize with bases to form benzenesulfonic acid salt and water. If it interacts with sodium hydroxide, it is obtained by sodium benzenesulfonic acid and water.
Second, electrophilic substitution reaction. The benzene ring is electron-rich, and the sulfonic acid group of benzenesulfonic acid is a meta-locator. Under appropriate conditions, benzenesulfonic acid can undergo electrophilic For example, under specific catalyst and reaction conditions, nitrification can be carried out, and nitro groups are mostly introduced into the position between the sulfonic acid groups. This property is due to the electronic effect and spatial effect of the sulfonic acid group, which absorbs electrons, which reduces the density of the electron cloud of the benzene ring. However, the influence of the intermediate position is slightly smaller, so the electrophilic reagent is easy to attack the intermediate position.
Third, hydrolysis reaction. Under specific conditions, benzene sulfonic acid can be hydrolyzed, and the sulfonic acid group is replaced by a hydroxyl group to regain benzene. This reaction is reversible. If the reaction conditions are changed, such as adjusting the temperature, pH, etc., the equilibrium can be shifted to control the direction and degree of the reaction.
Fourth, the reverse reaction of the sulfonation reaction. Benzenesulfonic acid can be obtained from the sulfonation of benzene, and it can also be carried out in reverse, that is, benzenesulfonic acid can remove the sulfonic acid group under certain conditions. This reaction requires a specific catalyst and suitable temperature, pressure and other conditions, which is of great significance for the introduction and removal of groups in organic synthesis.
Overall, benzenesulfonic acid has important uses in the synthesis of organic chemistry, the study of reaction mechanism and other fields due to its acidic, electrophilic substitution, hydrolysis and sulfonation reverse reactions. It is an indispensable substance for organic chemistry research.

How is Benzenesulphonic Acid Prepared in Industrial Production?

The method of making benzene sulfonic acid can be obtained by co-heating benzene with fuming sulfuric acid. The method is as follows:
Prepare a kettle first, an appropriate amount of nano-benzene, and slowly inject fuming sulfuric acid into it. Fuming sulfuric acid, sulfuric acid containing excess sulfur trioxide. When heated, the two react by sulfonation. The molecule of benzene binds with the sulfonic acid group (-SO 🥰 H) in sulfuric acid, easily a hydrogen atom, and then forms benzene sulfonic acid.
When reacting, you need to be careful to control the temperature. If the temperature is too high, it may cause side reactions to produce impurities, which will damage the purity of the product. Usually at a moderate temperature, the reaction can proceed smoothly.
When the reaction is completed, the product may contain unreacted benzene, sulfuric acid and other impurities. Distillation, extraction and other methods can be used to remove impurities and leave benzenesulfonic acid. Distillers separate benzenesulfonic acid from other substances according to the boiling point of each substance; extraction uses an appropriate solvent to dissolve impurities and discard them.
After these steps, pure benzenesulfonic acid can be obtained for industrial production. Benzenesulfonic acid is widely used in industry. It can be used as a raw material for the synthesis of dyes, drugs, etc., and is also used in the preparation of detergents. Therefore, its preparation method is of great significance in industrial production.

What are the precautions for Benzenesulphonic Acids during storage and transportation?

Benzenesulfonic acid is highly acidic and corrosive. When storing and transporting, many matters must be paid attention to.
When storing, choose a suitable place first. When placed in a cool, dry and well-ventilated place, away from fires and heat sources, to prevent its properties from changing due to excessive temperature. It may be dangerous due to heat or open flames.
In addition, the choice of storage container is also critical. It must be made of corrosion-resistant materials, such as specific plastic or metal materials, and the container must be well sealed to avoid leakage. Once the cover benzenesulfonic acid leaks, it not only damages the environment, but also endangers the surrounding objects and people.
Also, the storage area should be stored separately from oxidants, alkalis, etc., and must not be mixed. This is because benzenesulfonic acid and their substances are prone to chemical reactions, resulting in accidents.
As for transportation, the carrier must have professional qualifications, and the transportation vehicle should also have corresponding protective equipment. The vehicle should be clean, dry, and equipped with anti-leakage devices. During transportation, ensure that the container is stable, do not collide or vibrate, so as to avoid damage to the container and leakage of benzenesulfonic acid.
Drivers and escorts also need to be familiar with the characteristics of benzenesulfonic acid and emergency treatment methods. If there is a leak on the way, it can be dealt with quickly and properly to reduce harm. And the transportation route should be avoided in densely populated areas and environmentally sensitive areas to prevent the harm from expanding in the event of an accident. In this way, during the storage and transportation of benzenesulfonic acid, careful attention should be paid to all matters to ensure safety.