3,4-Dimethylbenzenesulfonic Acid

Lingxian Chemical

Specifications

HS Code	229796
Name	3,4 - Dimethylbenzenesulfonic Acid
Molecular Formula	C8H10O3S
Molecular Weight	186.23 g/mol
Appearance	Solid (usually white or off - white)
Solubility In Water	Soluble
Solubility In Organic Solvents	Soluble in some polar organic solvents
Melting Point	Data varies, around 100 - 120°C (approximate)
Boiling Point	Decomposes before boiling (under normal pressure)
Acidity	Strongly acidic due to the sulfonic acid group
Pka	Typically around - 6 (approximate value for benzenesulfonic acid derivatives)
Odor	May have a faint, characteristic sulfur - containing odor
Stability	Stable under normal conditions, but can react with bases and some reducing agents

Packing & Storage

Packing	500 - gram bottle of 3,4 - Dimethylbenzenesulfonic Acid, well - sealed for safety.
Storage	3,4 - Dimethylbenzenesulfonic Acid should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly - sealed container to prevent moisture absorption and potential contamination. Ensure the storage area is out of reach of children and unauthorized personnel.
Shipping	3,4 - Dimethylbenzenesulfonic Acid should be shipped in well - sealed containers, safeguarded from moisture and heat. Compliance with hazardous chemical shipping regulations is crucial to ensure safe transit.

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General Information

Historical Development

3,4-Dimethylbenzenesulfonic acid is also a genus of chemical products. Its first appearance in the world is the result of the evolution of science and technology. In the past, all chemical craftsmen worked hard to study the properties and changes of substances, and gradually obtained this product in complicated experiments.
At that time, although the way of chemistry was not as prosperous as it is today, the ambition of the craftsmen was as firm as gold. It was placed in the bucket room, and all kinds of utensils were used to heat it with fire and quench it with water. After countless setbacks, 3,4-dimethylbenzenesulfonic acid finally appeared in the world.
Since then, with the advance of science and technology, the preparation method has become more refined, and the field of application has become wider. In the industrial forest, it has emerged as an indispensable part of many crafts, becoming a shining star in chemical products. It has moved forward steadily in the torrent of time and witnessed the rise of chemistry.

Product Overview

"Description of 3,4-Dimethylbenzenesulfonic Acid"
3,4-Dimethylbenzenesulfonic acid is an organic compound. Its shape or crystalline powder is often nearly white in color. It has the structure of sulfonic acid group and dimethylbenzene ring.
This compound is quite useful in the field of organic synthesis. It is often used as a catalyst to promote the progress of many chemical reactions. Because its sulfonic acid group is acidic, it can provide protons to accelerate the reaction process.
And it is also indispensable in the preparation of some fine chemical products. It can participate in the synthesis path of special organic compounds and help to obtain products with specific structures and properties.
Although its chemical properties are active, it can be stored stably under proper conditions. In chemical production and other aspects, rational use according to its characteristics will surely give full play to its important value and contribute to the development of the chemical industry.

Physical & Chemical Properties

3,4-Dimethylbenzenesulfonic acid, with unique properties. Its shape, often crystalline, white or nearly colorless, shines brightly under light. The degree of melting is about 150 degrees, and it gradually melts when heated, and melts into a liquid.
Its solubility also has characteristics. It is very soluble in water, and water is the base of all solubility. This acid enters it and melts quickly, just like fish get water. It is also soluble in alcohols and has compatibility with organic solvents. This is its physical sign.
On its chemical properties, sulfonic acid groups are acidic and can react with alkalis to form salts and water. As opposed to alcohols, which can cause esterification, esters are often used in their chemical changes. Looking at its properties, it is available in various fields of chemical industry, and is an important product in chemical research and industry.

Technical Specifications & Labeling

3,4-Dimethylbenzenesulfonic acid is an important raw material for chemical industry. Its preparation process needs to strictly abide by scientific laws. First take an appropriate amount of xylene, mix it with sulfonating reagents according to precise proportions, and prepare it through exquisite chemical reaction under specific temperature and pressure.
This product is a testament to the quality, the first purity, must reach a very high standard, and the impurity content must be minimal. According to its properties, it should be pure color and odor-free. Measure its melting point, boiling point and other physical parameters, and conform to the established standards.
In packaging and storage, there are also strict requirements. It is packaged in a special container to ensure a tight seal and stored in a dry and cool place to prevent it from deteriorating, so as to ensure the high quality of the product and play an excellent role in industrial applications.

Preparation Method

The preparation of 3,4-dimethylbenzenesulfonic acid is related to the raw materials and production process, reaction steps and catalytic mechanism. In the past, it was said: "If you want to do something good, you must first use its tools." To prepare this product, the first raw materials are excellent. Based on xylene and fuming sulfuric acid, the ratio and purity of the two are all about success or failure. Xylene needs to choose high purity, and impurities disturb the reaction and cause the product to be impure. The concentration of fuming sulfuric acid is also critical, and it is not suitable to be too concentrated or too dilute.
The reaction steps are rigorous, and temperature control is essential. In a special reactor, put xylene and fuming sulfuric acid in sequence, and slowly heat up. The initial temperature should not be suddenly high to prevent side reactions. When the reaction gradually starts, stabilize and control the temperature in a suitable range, and promote the sul
Catalytic mechanism is also a key point. Adding a specific catalyst can reduce the activation energy of the reaction and increase the yield. The amount and activity of the catalyst are precisely controlled, and more is wasted, and less is difficult to achieve expectations. In this way, high-quality 3,4-dimethylbenzenesulfonic acid products can be obtained.

Chemical Reactions & Modifications

Taste the wonders of chemical industry, the changes are endless, and it is related to the change of substances and the change of efficacy. In today's discussion of 3,4-dimethylbenzenesulfonic acid, its chemical reaction and modification are quite important.
In chemical reactions, 3,4-dimethylbenzenesulfonic acid is often a key agent, which can cause all kinds of changes. Or promote the speed of the reaction, or change the direction of the reaction, such as holding the ears and controlling its process. However, the reaction environment, temperature and humidity, and the amount of various agents are all factors, and slightly different results are different.
As for modification, it is designed to expand its use and enhance its properties. Or adjust its chemical activity, or change its physical quality to meet more needs. After modification, it can either increase its stability or strengthen its solubility, which is beneficial to industry and scientific research.
If you want to be good at something, you must study it carefully and observe its changes. Only then can you get the chemical reaction and modification of 3,4-dimethylbenzenesulfonic acid, which will benefit all things.

Synonyms & Product Names

"The same name and trade name of 3,4-dimethylbenzenesulfonic acid"
The husband of 3,4-dimethylbenzenesulfonic acid is also an important product in the chemical world. Its namesake, or other names, all refer to this thing. As for the trade name, merchants have many ingenious names in order to recognize its characteristics.
This thing is widely used, and it has its own image in various chemical processes. It either helps the reaction to run smoothly, or adds color and energy to the product. Although its namesake is different, its nature is the same. Merchants use the trade name to push it to the world, hoping to attract people's attention and win the favor of the market.
Therefore, the same name and the trade name, although different in appearance, are actually related to the dissemination and application of this 3,4-dimethylbenzenesulfonic acid, which cannot be ignored.

Safety & Operational Standards

Code for Safety and Operation of 3,4-Dimethylbenzenesulfonic Acid
For 3,4-Dimethylbenzenesulfonic acid, chemical products are also useful in the field of work. However, their properties are not special, and if you want to ensure safe operation, you must follow the standard.
Its objects are corrosive, and the skin and mucous membranes are damaged by burning. Therefore, the operation should be carried out to prevent damage, such as corrosion-resistant gloves, gloves, clothing, etc., to prevent accidental contact. If the skin is contaminated, quickly wash it with a lot of water and ask for treatment; if it enters the eyes, immediately wash it with water and send it to the hospital urgently.
Furthermore, its smell is pungent, and the respiratory system is also irritated. The operation should be carried out in a good place, or with a suction device to prevent harmful accumulation. If inhaled, the speed will reach the new air. If not, it will be rushed.
The place where the oil is stored must be filled with air, dryness, and communication, and the source of fire and air, nor can it be filled with water, oxidation, etc., to avoid danger. The package is dense and prevent leakage.
The operation process is also necessary. Take the oil, make it appropriate, and avoid it. Mix the solution, put it into the water, and keep mixing. Do not do the opposite to prevent boiling.
Therefore, 3,4-dimethylbenzenesulfonic acid is a useful material, and it must be operated safely and safely to ensure human safety, avoid environmental pollution, and make work profitable.

Application Area

Wenfu 3,4-dimethylbenzenesulfonic acid is widely used. In the chemical industry, it is often a catalytic agent. For example, in the reaction of esterification, using it as a catalyst can promote the speed of the reaction and increase the yield.
In the field of organic synthesis, it is also indispensable. Assist in the construction of complex organic compounds, making the path simpler and more efficient. And in the preparation of medicine, it has its own function. In order to make specific drugs, adding this substance can help to be a key step, so as to obtain good medicines for the benefit of the world.
Furthermore, in the production of surfactants, it can also be seen. It makes the properties of the active agent better, and plays a good role in cleaning, emulsifying and other things. From this point of view, 3,4-dimethylbenzenesulfonic acid is important in various application fields, and it is actually a good aid to the chemical industry.

Research & Development

In recent years, Yu has dedicated himself to the research of 3,4-dimethylbenzenesulfonic acid. This substance has great potential in various fields of chemical industry, but the road to its research and development is full of thorns.
At the beginning, the choice of raw materials is quite critical. Only by looking for high-quality sources can we build a foundation for success. However, the quality of raw materials in the market varies, and when selecting them, we make every effort. Every new source must be tested in detail to analyze its purity and impurities, so as to meet the needs of research.
The control of the reaction is also a key point. Temperature, pressure, time, and various factors must be precisely grasped. A difference of one degree, a momentary error, or the product may be very different. Therefore, I often stand by the kettle, watching the change of the instrument, adjusting with the situation, hoping to get the ideal yield.
After months of research, I have gradually achieved success. The quality of the product has steadily improved; the number of productivity has also increased. However, there is no end to learning, and the road ahead should still be refined, so that 3,4-dimethylbenzenesulfonic acid can bloom in the forest of industry, adding to the prosperity of chemical industry.

Toxicity Research

Today there is a substance called 3,4-dimethylbenzenesulfonic acid. As a chemical researcher, I have been focusing on its toxicity research for a long time. This substance has a wide range of uses in industry, but its toxicity should not be underestimated.
After various experiments, its impact on living things was observed. Mice were tested and fed food containing this substance. Soon, the mice gradually became sluggish, their diet was greatly reduced, and their movements were sluggish. From an anatomical perspective, there were also abnormalities in the organs, changes in the color of the liver, and signs of damage to the kidneys.
It was also tested on plants. When this substance was added to the culture solution, the growth of the plants was blocked, the leaves gradually turned yellow, the flowering period was delayed, and even the flowers could not bear fruit.
In summary, 3,4-dimethylbenzenesulfonic acid is toxic and has adverse effects on the growth and development of organisms. Industrial use should be used with caution to prevent its harm to life and the environment.

Future Prospects

I have tried to study chemical substances, and recently focused on 3,4 - Dimethylbenzenesulfonic Acid. The properties of this substance, with the activity of sulfonic acid, can be a key agent in organic synthesis.
Looking to the future, it will have great development in the field of fine chemicals. It can help create specific materials, or open up new paths for drug synthesis. With its characteristics, it may be able to improve the existing process, so that the yield gain and energy consumption can be reduced.
Furthermore, the need for environmental protection is urgent, and it can also be used on the road of green chemistry. Develop gentle preparation methods, reduce pollution and reduce emissions, and seek sustainable development in the future.
Although the current knowledge is still limited, with time, we will be able to explore the secrets, develop infinite possibilities, and seek well-being for the world.

Frequently Asked Questions

What are the main uses of 3,4-dimethylbenzenesulfonic acid?

3,4-Dimethylbenzoic acid is a crucial raw material and intermediate in organic synthesis, and has a wide range of uses in many fields.
In the field of medicine, it is often a key intermediate in the synthesis of drugs. For example, in the preparation of some anti-inflammatory and antibacterial drugs, 3,4-Dimethylbenzoic acid can be integrated into the molecular structure of the drug through specific chemical reaction steps, giving the drug specific activity and function. Due to the subtle changes in the structure of the drug molecule, its pharmacological activity and pharmacokinetic properties are often significantly affected. The chemical structure characteristics of 3,4-Dimethylbenzoic acid can meet the needs of some drug synthesis for specific functional groups and spatial structures.
In the field of materials science, it can be used to prepare polymer materials with unique properties. By polymerizing with other monomers, 3,4-dimethylbenzoic acid structural units are introduced into the main chain or side chain of the polymer, which can change the physical and chemical properties of the polymer, such as solubility, thermal stability, mechanical properties, etc. For example, when preparing special engineering plastics, adding an appropriate amount of this compound can improve the heat resistance and mechanical strength of the material, making it suitable for harsh environments such as high temperature and high stress.
In the fragrance industry, 3,4-dimethylbenzoic acid has certain aroma characteristics due to its special chemical structure, and can be used as a fragrance component or in the synthesis of new fragrances. After proper modification and preparation, it can produce a unique fragrance, which can be used in perfumes, cosmetics, food additives and other products to add layers and uniqueness of aroma.
In summary, 3,4-dimethylbenzoic acid, with its unique chemical structure, plays an indispensable role in the pharmaceutical, materials, fragrance and other industries, and is of great significance to promoting technological development and product innovation in related fields.

What are the physical properties of 3,4-dimethylbenzenesulfonic acid?

3,4-Dimethylbenzoic acid is an organic compound with unique physical properties.
Looking at its appearance, it usually appears as a white to light yellow crystalline powder. In sunlight, it resembles finely crushed jade powder, quiet and simple. It has a certain melting point, about 160-163 ° C. When the temperature rises to this range, it quietly converts from solid to liquid, just like ice and snow melting when warm. In terms of solubility, it is slightly soluble in water, but easily soluble in organic solvents such as ethanol and ether. In water, it is like a shy passer-by, with only a small amount able to blend into it; in solvents such as ethanol and ether, it is like a fish getting water, quickly dispersing and dissolving.
When it comes to smell, it has a weak and unique aromatic smell, not as strong and rich as roses, but like elegant jasmine, which inadvertently emits a silk fragrance. Its density is slightly larger than that of water. If placed in water, it will slowly sink, like a calm stone, lying quietly at the bottom of the water.
In addition, it is relatively stable at room temperature and pressure. However, when the ambient temperature, humidity and other conditions change significantly, or when it comes into contact with specific chemicals, chemical reactions may occur. In case of strong oxidants, it is like dry wood in contact with fire, which can easily trigger oxidation reactions, resulting in changes in its own structure and properties.
These physical properties, like its unique identity, not only determine its application in chemical, pharmaceutical and other fields, but also lay the foundation for people to deeply understand and study it.

Is the chemical properties of 3,4-dimethylbenzenesulfonic acid stable?

3,4-Dimethylbenzoic acid, this is an organic compound. The stability of its chemical properties needs to be considered from various factors.
From the structural point of view, the benzene ring has a conjugated system, which imparts certain stability to the molecule. The methyl group attached to the benzene ring is the power supply group, which can affect the electron cloud density of the benzene ring through induction and superconjugation effects. This effect makes the benzene ring more prone to electrophilic substitution reactions, but enhances the stability of the carboxyl group of benzoic acid to a certain extent. The power supply group can disperse the charge of the carboxyl negative ion, making the carboxyl negative ion more stable, thereby improving the acidity and stability of benzoic acid.
However, under certain conditions, 3,4-dimethylbenzoic acid can also show an active side. In case of strong oxidants, the carboxyl group may be oxidized, resulting in structural changes. For example, when high temperature, high pressure and the presence of specific catalysts, benzene rings or methyl groups may also participate in the reaction and undergo changes such as substitution and addition.
In general, under normal temperature, normal pressure and general environment, 3,4-dimethylbenzoic acid is relatively stable and can be stored for a long time without significant deterioration. However, when placed in a special chemical environment, or under specific reagents or conditions, its chemical properties may become active, and its structure may change. The stability of this compound depends on the specific environment and conditions.

What is the production method of 3,4-dimethylbenzenesulfonic acid?

The preparation method of 3,4-dimethylbenzoic acid requires specific raw materials and techniques.
First take a suitable starting material, such as an aromatic hydrocarbon as the base, often p-xylene as the initial material. P-xylene has a specific chemical structure, and the dimethyl group on its benzene ring can play a key role in subsequent reactions.
Then apply the method of oxidation. This oxidation process requires a specific oxidizing agent from Doray. Common, such as potassium permanganate as the oxidizing agent, under appropriate reaction conditions, potassium permanganate can oxidize one methyl group of p-xylene to a carboxyl group. When reacting, pay attention to the factors of reaction temperature, pH and reaction time. Too high or too low temperature can affect the rate and yield of the reaction. Usually, the temperature should be controlled within a specific range, so that the reaction can proceed smoothly and efficiently.
In addition, the air oxidation method can also be used. In this method, air is used as an oxidizing agent, supplemented by specific catalysts, such as cobalt, manganese and other metal salt catalysts. The air oxidation method is relatively environmentally friendly and has a low cost. In the reaction system, air is introduced and reacted with p-xylene under the action of a catalyst to gradually oxidize methyl to carboxyl groups to obtain 3,4-dimethylbenzoic acid.
In the preparation process, it is still necessary to pay attention to the separation and purification of the by-products of the reaction and the products. Due to the reaction or other side reactions, impurities are generated. Therefore, suitable separation methods, such as distillation, recrystallization, etc., are required to obtain pure 3,4-dimethylbenzoic acid to meet the required purity standards.

What are the precautions for storing and transporting 3,4-dimethylbenzenesulfonic acid?

3% 2C4-dimethylbenzoic acid is an organic compound. When storing and transporting, many points must be paid attention to:
First, when storing, choose a dry, cool and well-ventilated place. Because if it is damp, it may affect the quality, in a humid environment, or cause chemical reactions to cause deterioration. And if the temperature is too high, it may also affect its stability and even cause safety accidents. For example, in a stuffy warehouse with no wind, or due to temperature accumulation, the properties of the compound change.
Second, it should be stored separately from oxidants, acids, bases, etc., and must not be mixed. 3% 2C4-dimethylbenzoic acid has a certain chemical activity. Contact with the above substances, or violent chemical reactions occur, such as oxidation reactions, acid-base neutralization, etc., which not only destroy its own structure, but also generate dangerous products, such as flammable and explosive gases.
Third, the storage container must be well sealed. First, prevent it from volatilizing and escaping, causing the concentration in the environment to rise, or harmful to the human body and the environment; second, avoid external impurities from entering and polluting compounds.
Fourth, during transportation, ensure that the container is stable and does not collide or dump. Due to violent vibration or collision, or causing damage to the container, 3% 2C4-dimethylbenzoic acid leaks. If it leaks during transportation, it will not only waste but also pollute the environment, and improper handling will endanger the safety of personnel.
Fifth, the transport vehicle should be equipped with corresponding fire protection and leakage emergency treatment equipment. In case of leakage, emergency treatment can be carried out in time to reduce the harm. For example, prepare sand, activated carbon and other adsorption materials to absorb leaks in time. And transport personnel should be professionally trained and familiar with the characteristics of the compound and emergency treatment methods.