M-Toluenesulfonic Acid Monohydrate

Lingxian Chemical

Specifications

HS Code	290411
Name	M-Toluenesulfonic Acid Monohydrate
Chemical Formula	C7H10O4S
Molar Mass	190.217 g/mol
Appearance	White to off - white crystalline solid
Odor	Odorless or faint odor
Solubility In Water	Highly soluble
Melting Point	96 - 99 °C
Pka	about -2.8
Density	1.24 g/cm³
Ph Aqueous Solution	Acidic (low pH)

Packing & Storage

Packing	500g of M - Toluenesulfonic Acid Monohydrate packaged in a sealed plastic bag.
Storage	M - Toluenesulfonic Acid Monohydrate should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and incompatible substances such as strong bases. Store in a tightly - sealed container to prevent moisture absorption and potential degradation. Avoid storage near reactive chemicals to ensure safety.
Shipping	M - Toluenesulfonic Acid Monohydrate is shipped in well - sealed containers, safeguarded against moisture and physical damage. Compliance with chemical shipping regulations ensures safe transportation of this corrosive substance.

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General Information

Historical Development

M-toluenesulfonic acid monohydrate is also a genus of chemical products. Its origin can be traced back to the past. At the beginning, everyone explored the field of chemistry diligently and gradually came to know the characteristics of this thing. Those who studied it in the past began to explore its mysteries with perseverance and keen observation. After years, countless craftsmen have used their wisdom to improve their production methods and improve their cognition. From the initial ignorance, to today's clarification of its properties and good use of its functions, this is the work of repeated research. In the past, all the sages tried it repeatedly in the laboratory, either with success or with setbacks, but they were all determined. Therefore, the research of M-toluenesulfonic acid monohydrate has gradually flourished since the beginning of the micro era. It has gained its place in the forest of chemistry and become a useful product today, benefiting many fields. It is also the hard work of researchers of all dynasties.

Product Overview

"M-toluenesulfonic acid monohydrate, Product Overview"
M-toluenesulfonic acid monohydrate is an important material in the chemical industry. Its state is often white crystalline and has strong acidic characteristics. In the process of organic synthesis, its role is particularly critical. It often acts as a catalyst to increase the rate of many chemical reactions, such as esterification reactions, which can effectively promote the efficient achievement of reactions.
This product has good stability, but it also needs to be properly stored. In case of high temperature or humid environment, it may affect its quality. Its purity is quite high, and there are few impurities, which can provide a solid foundation for various fine chemical synthesis. In industrial production and scientific research experiments, they all rely on their unique chemical properties to play a significant role in promoting the smooth progress of many chemical reactions, making them indispensable chemical products.

Physical & Chemical Properties

M-toluenesulfonic acid monohydrate, the physical and chemical properties of this substance are particularly important. Its color is often white, like crystalline, and it has a slight deliquescence in air. In terms of melting point, it is between 38 and 41 degrees Celsius. This property makes it easy to change its shape under specific temperature environments. Its solubility is also considerable, and it is easily soluble in solvents such as water, alcohols and ethers. And it is acidic. It can be used as a catalyst in many chemical reactions. With its acidic properties, it promotes the reaction process and accelerates the reaction rate. The physical and chemical properties of this substance are significant in chemical, pharmaceutical and other fields, and have far-reaching implications for the preparation and synthesis of many products.

Technical Specifications & Labeling

Today there are products of M-Toluenesulfonic Acid Monohydrate, and its technical specifications and identification (product parameters) are the key. The properties of this product need to be clear, and the color, taste, etc. should be carefully observed. Purity is a crucial item. When accurately determined, the impurity content must be strictly controlled. Its physical and chemical parameters, such as melting point, boiling point, solubility, etc., also need to be exact. In the label, the name should be standardized and the chemical formula should be accurately expressed. On the packaging, when the standard clear net content, batch number, production date, etc. Storage conditions should also be clearly stated. Factors such as temperature and humidity are all related to product quality. In this way, the quality of this product can be guaranteed to be stable and it can play its role in various application scenarios.

Preparation Method

The raw materials, production process, reaction steps and catalytic mechanism of M-Toluenesulfonic Acid Monohydrate made today need to be explained. The raw materials, when pure p-toluenesulfonic acid and appropriate amount of water are taken, the two are adapted to form the basis of this substance.
Production process, put the reaction kettle first, control the temperature at a suitable degree, and stir it slowly. In contact with water, p-toluenesulfonic acid gradually becomes hydrated. In the reaction step, the temperature should rise slowly at the beginning, and when the phase is gradually melted and uniform, then adjust the temperature to promote its full reaction.
For the catalytic mechanism, this process may require a mild catalyst to help the hydration rate increase, but the amount of catalyst should be precisely controlled. In this way, after careful operation, pure M-Toluenesulfonic Acid Monohydrate can be obtained according to the above method.

Chemical Reactions & Modifications

In the industry of chemical industry, the reaction and properties of substances become the key. Today there is M-Toluenesulfonic Acid Monohydrate, which plays a very important role in chemical reactions.
Looking at its reaction, it often acts as a catalyst, which can promote the decomposition of various compounds, making the reaction fast and efficient. However, its properties can also be investigated. Although the catalytic work is significant, in case of temperature changes or mixed agents, its effect may be improved.
In order to achieve the best quality, scholars often study ways to improve it. After repeated tests, or adjust its purity, or supplement it with other agents, hoping that its performance is more stable and effective. In this way, with the change of M-Toluenesulfonic Acid Monohydrate, more new frontiers will be opened up, and a wider path will be opened up for the industry to meet the needs of the world.

Synonyms & Product Names

M-Toluenesulfonic Acid Monohydrate is an organic compound. It has many names and is also widely known. This substance is often referred to as p-toluenesulfonic acid monohydrate, or p-toluenesulfonic acid monohydrate.
This substance has a wide range of uses and is often used as a catalyst in the field of organic synthesis. In many chemical reactions, it helps the reaction to proceed and improves the rate and efficiency of the reaction. Its properties are stable, and under suitable conditions, it can be stored for a long time without deterioration.
There are various ways to prepare it. It is either obtained by hydrolysis of p-toluenesulfyl chloride or converted and synthesized by other chemical methods. It is widely used in industrial production and scientific research experiments, and is an indispensable material in the field of chemistry.

Safety & Operational Standards

Safety and Operation Specifications for M-Toluenesulfonic Acid Monohydrate
M-Toluenesulfonic Acid Monohydrate is a commonly used substance in chemical research. If you want to use this substance, you must first clarify its safety and operation specifications to ensure the smooth experiment and the safety of personnel.
This substance is corrosive, touches the skin, or causes burns. Therefore, when handling, you should strictly wear protective equipment, such as corrosion-resistant gloves, anti-goggles, and lab clothes, to prevent accidental contact. If the skin touches occasionally, rinse it with plenty of water quickly, and then seek medical treatment.
And it is in poorly ventilated areas, or evaporates harmful gases, which damage people's respiratory system. Therefore, the operation should be done in the fume hood, so that the gas can be discharged quickly and avoid agglomeration in the room. And the utensils involved in the experiment must be clean and dry, because M-toluenesulfonic acid monohydrate encounters water or reacts adversely.
Furthermore, attention should also be paid to storage. It should be placed in a cool, dry and well ventilated place to avoid fire and heat sources. And it should be stored separately with oxidants, alkalis and other substances to avoid reaction and cause danger. After use, the remaining materials should not be disposed of at will, and should be properly disposed of in accordance with the regulations of chemical waste disposal.
In short, in the research and application of M-toluenesulfonic acid monohydrate, safety and operating standards must be adhered to. From protection, ventilation, storage to waste disposal, all aspects cannot be ignored. In this way, we can use our strength to study the wonders of chemistry, ensure safety and avoid disasters.

Application Area

M-toluenesulfonic acid monohydrate has a wide range of uses. In the chemical industry, it is often used as a catalyst to accelerate the process of many organic reactions, such as esterification, making the reaction efficient and smooth. In the pharmaceutical industry, it helps drug synthesis, improves reaction efficiency and product purity, and makes contributions to the research and development and production of new drugs. In the field of materials science, it can be used for polymer preparation, optimizing polymer properties, and enhancing its stability and durability. It also plays a key role in organic synthesis, fine chemicals, and other fields. It is like a "magic agent" in the chemical industry, promoting the development of related industries and providing strong support for the progress of many processes and products.

Research & Development

Today there is M - Toluenesulfonic Acid Monohydrate. I am a chemical researcher and have been studying it for a long time. This substance has unique properties and is effective in many reactions.
My research focuses on its performance optimization and application expansion. After repeated tests, I have observed its reaction characteristics under different conditions, and strive to improve its quality. In the synthesis method, I am also constantly exploring ways to improve output and reduce costs.
Looking to the future, I hope to use this product to develop more new materials and expand its application in industry, medicine and other fields. I will do my best to promote its development in order to achieve a better environment and contribute to the progress of the chemical field.

Toxicity Research

The toxicity of M - Toluenesulfonic Acid Monohydrate must be investigated.
In various experiments, the toxicity characterization of this substance is gradually emerging. Its effect on the biological organism may be due to changes in physiological function or damage to cell tissue. When it comes into contact with the tested substance, there are abnormal signs from time to time.
The study of toxicity cannot be done overnight. It is necessary to use rigorous methods, repeated tests, and detailed observations of its changes in order to obtain its true meaning. We hope that our colleagues will be diligent in the matter of toxicity investigation, so as to make sure that the truth is revealed, so as to ensure that everyone is born in a safe environment, and not to let such chemical products cause harm to others.

Future Prospects

M - Toluenesulfonic Acid Monohydrate, the thing that transforms. Today, it can be used for its own purpose. In the field of work, it can be used as a catalyst, which can help to reverse the action, improve the effect of the product, and increase the product.
Looking forward to the future, its power is huge. As new technologies emerge, this product may be used in the research and development of new materials. With the characteristics of the material, there are many new needs. And the tide of colorization, it is also expected to improve the method of improving the product, reduce pollution consumption, and meet the purpose of protection. Waiting for the new force, it will definitely be able to expand its use, develop its way, and expand the color in the future world, and increase the well-being of people.

Frequently Asked Questions

What are the main uses of M-Toluenesulfonic Acid Monohydrate?

M-toluenesulfonic acid monohydrate has a wide range of uses. In the field of organic synthesis, it is often used as a catalyst. Cover organic synthesis relies on catalysts to promote the speed of the reaction and increase the amount of yield. M-toluenesulfonic acid monohydrate is highly acidic and can be used in many reactions.
Such as esterification reaction, alcohol and carboxylic acid want to form esters. If there is no suitable catalyst, the reaction is slow and the yield is low. M-toluenesulfonic acid monohydrate can activate the chemical stress, making it easier for the two to combine into esters. In this reaction, it is like the key to open the door of esterification, allowing the reaction to move forward smoothly.
It is also indispensable in condensation reactions. Many organic molecules need to be condensed to build complex structures. M-toluenesulfonic acid monohydrate can facilitate the formation of chemical bonds between molecules and promote the condensation process. It is like a clever craftsman who carefully splices molecular fragments.
In some polymer preparation reactions, its role should not be underestimated. It can regulate the reaction rate and polymer structure, which is crucial for the generation of polymers with specific properties. Like a precise conductor, it guides the polymerization reaction to proceed in an orderly manner.
In addition, m-toluenesulfonic acid monohydrate is often found in the synthesis of fine chemicals such as pharmaceuticals, pesticides, and dyes. Pharmaceutical synthesis requires precise control of the reaction. As a catalyst, it can ensure that the reaction occurs efficiently and accurately, and help to synthesize drug molecules with complex structures and specific activities. In a word, m-toluenesulfonic acid monohydrate plays an important role in the field of organic synthesis and preparation of fine chemicals.

What are the Physical and Chemical Properties of M-Toluenesulfonic Acid Monohydrate

M-toluenesulfonic acid monohydrate is a commonly used reagent in organic chemistry and has many physical and chemical properties. Its appearance is a white crystalline solid, like fine grains, shimmering in sunlight, and its quality is pure.
This substance is very soluble in water, just like a salt melts naturally in water, and quickly diffuses in water to form a uniform solution. It is also easily soluble in organic solvents such as alcohols and ethers. When it is soluble with alcohols such as ethanol, it is like water emulsion and immiscible with each other.
M-toluenesulfonic acid monohydrate is acidic, and its acidity is quite strong. It can act as an acid catalyst in chemical reactions. In many organic synthesis reactions, it can accelerate the reaction process, just like opening a convenient way for the reaction. For example, in the esterification reaction, the reaction rate can be significantly increased, so that the reaction can reach the desired product more efficiently.
Its melting point is about 96-99 ° C. When heated to this temperature range, the original solid crystal will gradually melt into a liquid state, like ice and snow melting in the warm sun. In terms of boiling point, it is about 140 ° C (20 mmHg). Under specific pressure conditions, when heated up to this point, it will boil into a gaseous state.
When storing, it needs to be placed in a cool, dry and well-ventilated place. Because of its hygroscopicity, if the storage environment is not good, it is easy to absorb moisture in the air, resulting in changes in its own state, which in turn affects its chemical properties and use effect. In addition, due to its acidic nature, it is also necessary to avoid coexistence with alkaline substances and substances that easily react with acids during storage to prevent adverse reactions and ensure their chemical stability and safety in use.

What are the precautions for M-Toluenesulfonic Acid Monohydrate in storage and transportation?

M-toluenesulfonic acid monohydrate is also a chemical substance. During storage and transportation, many matters must be paid attention to.
When storing, the first environment is dry. This substance is prone to deliquescence in case of moisture. After deliquescence, its chemical properties may change, which affects the use. In the warehouse, the humidity should be controlled within a reasonable range, and it should not be placed in the open air to avoid being disturbed by rain and moisture.
The second is that the temperature is suitable. Under high temperature, m-toluenesulfonic acid monohydrate may accelerate the reaction and even risk decomposition. Therefore, it should be stored in a cool place, away from heat sources and fires, so as not to cause danger.
Furthermore, the storage place must be well ventilated. M-toluenesulfonic acid monohydrate or volatilize certain gases. If the ventilation is not good, the gas will accumulate, which will harm people's health on the one hand, and may pose a hidden danger such as explosion on the other.
As for the transportation, the packaging must be sturdy. Choose a suitable container and seal it tightly to prevent the package from being damaged or leaking during transportation due to collision and vibration.
Transportation vehicles should also be clean, and no other chemicals should be left to mix with it to prevent chemical reactions. Transportation personnel should be aware of the characteristics of this substance and be able to deal with it properly in case of emergencies.
In summary, toluenesulfonic acid monohydrate between storage and transportation has many precautions in terms of environment, packaging, personnel, etc., so as to ensure its safety and not damage its properties.

What is the production method of M-Toluenesulfonic Acid Monohydrate?

M-toluenesulfonic acid monohydrate is a commonly used reagent in organic synthesis. Its preparation method often follows the following path.
First, toluene is used as the starting material and obtained by sulfonation reaction. Toluene and concentrated sulfuric acid are co-placed in a reactor and heated to temperature. At this time, the sulfonyl group of concentrated sulfuric acid (-SO 🥰 H) will replace the hydrogen atom on the toluene-benzene ring, and the main substitution product is M-toluenesulfonic acid. The reaction mechanism is electrophilic substitution reaction. When the concentrated sulfuric acid is heated, an active electrophilic reagent sulfur trioxide (SO 🥰) is formed, and the benzene ring of toluene is rich in electrons, which is vulnerable to SO 🥰 attack. The M-toluenesulfonic acid obtained by the reaction is anhydrous. To obtain M-toluenesulfonic acid monohydrate, follow-up treatment is required. Generally, the crude product obtained by the reaction is separated and purified, and an appropriate amount of water is introduced to crystallize it to form monohydrate. The separation process often removes unreacted toluene and other impurities by means of distillation and extraction. For purification, the method of recrystallization can be used. According to the difference in solubility of M-toluenesulfonic acid in different solvents, a suitable solvent is selected. After the purity is reached, the conditions are controlled to combine M-toluenesulfonic acid with an appropriate amount of water to crystallize M-toluenesulfonic acid monohydrate. The whole preparation process requires careful control of the reaction temperature, raw material ratio, reaction time and post-processing conditions to obtain high-quality products.

What are the safety measures when using M-Toluenesulfonic Acid Monohydrate?

M-Toluenesulfonic Acid Monohydrate (M-Toluenesulfonic Acid Monohydrate) is a corrosive chemical substance. Strict safety measures must be taken when using it to ensure the safety of the user and prevent environmental pollution. The following details various safety protection settings:
** One is personal protective equipment **:
- ** Protective glasses **: Users must wear protective glasses that fit tightly and have splash protection. This is because if M-Toluenesulfonic acid monohydrate is accidentally splashed into the eyes, it will cause serious corrosion and damage to the eyes. Protective glasses can effectively block its splash and ensure eye safety.
- ** Mask **: In scenarios where a large amount of this substance may evaporate or splash, a full mask should be worn. A full mask can provide comprehensive protection for the face and avoid damage to the facial skin and respiratory tract.
- ** Gloves **: Chemically resistant gloves, such as nitrile rubber gloves, are required. Because of its good tolerance to M-toluenesulfonic acid monohydrate, it can prevent the substance from penetrating and avoid corrosion from the skin of the hands in contact with it.
- ** Protective clothing **: Wearing protective clothing made of corrosion-resistant materials can cover most of the skin of the body, reducing the risk of the substance coming into contact with the body and effectively protecting the body from harm.
** The second is ventilation facilities **:
- ** fume hood **: The operation of M-toluenesulfonic acid monohydrate should be carried out in the fume hood. The fume hood can expel the volatile gas generated during the operation in time, control its concentration within a safe range, prevent the spread of harmful gases in the laboratory, and ensure the safety of the breathing of the laboratory personnel.
- ** Local exhaust device **: In addition to the fume hood, a local exhaust device should also be installed in the area where the substance is used. This device can enhance the local ventilation effect, further ensure the rapid discharge of harmful gases, and reduce their accumulation in the working environment.
** The third is emergency treatment equipment **:
- ** Eyewash **: Near the use area, a functional eyewash should be equipped. Once the substance accidentally spills into the eyes, it can be flushed immediately with an eyewash to reduce the degree of injury. The flushing should last for enough time to ensure that harmful substances are completely removed.
- ** Shower **: At the same time, an emergency shower should be set up. If the body comes into contact with M-toluenesulfonic acid monohydrate in a large area, you can quickly use a shower to flush the body to remove the chemicals from the body and reduce the damage to the body.
- ** First aid kit **: A first aid kit with built-in basic first aid medicines and equipment is required on site. In case of minor skin burns, etc., preliminary treatment can be carried out in time to gain time for subsequent medical treatment.