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Sulfonic Acid Series

Sulfamic Acid Series

Guanidine Series

Methyl Para-Toluenesulfonate

Specifications

HS Code	664873
Chemical Formula	C8H10O3S
Molar Mass	186.23 g/mol
Appearance	White to off - white solid
Odor	Typically odorless
Melting Point	65 - 67 °C
Boiling Point	Decomposes before boiling
Solubility In Water	Slightly soluble
Solubility In Organic Solvents	Soluble in many organic solvents like ethanol, acetone
Density	1.24 g/cm³
Stability	Stable under normal conditions
Hazard Class	Irritant

As an accredited Methyl Para-Toluenesulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	25 - kg bags packaging for Methyl Para - Toluenesulfonate chemical.
Storage	Methyl para - Toluenesulfonate should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, flames, and oxidizing agents. Store in a tightly closed container to prevent moisture and air exposure, which could potentially cause decomposition or react with other substances. It is also advisable to segregate it from incompatible materials for safety.
Shipping	Methyl Para - Toluenesulfonate is shipped in tightly - sealed containers compliant with chemical transportation regulations. Packaging safeguards against spills. Shipments require proper documentation to ensure safe transit and handling.

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General Information

Historical Development

Methyl Para-Toluenesulfonate is also a chemical product. In the past, it first appeared in the research and development. At that time, many scholars exhausted their wisdom and intellect to understand the properties and uses of this compound. At first, only a few or two of its characteristics were known, but not all of them were detailed.
However, the years have passed, and the research has deepened. Scholars have made progress in the conditions of reaction and the improvement of yield. At the beginning of synthesis, there were many difficulties, the yield was quite low, and the quality was not pure. After repeated experiments, they obtained exquisite methods, and the yield gradually increased and the quality became better.
Since its birth, in the field of organic synthesis, it has gradually become more and more important. Assisting in the progress of various reactions, it forms a variety of compounds and contributes a lot to the progress of chemistry. Its development process witnesses the diligence and wisdom of scholars and adds a brilliant chapter to the great cause of chemistry.

Product Overview

Methyl Para-Toluenesulfonate is a commonly used reagent in organic synthesis. It is a colorless to slightly yellow liquid with a specific odor. The structure of this compound is formed by esterification of the sulfonic acid group of toluenesulfonic acid and methanol.
Methyl p-toluenesulfonate has a wide range of uses in the field of organic synthesis. It is often used as an alkylating agent to introduce methyl into target molecules, which is of great significance in pharmaceutical chemistry, materials science and other fields. Its reactivity is quite high, and it can react with many nucleophilic reagents, such as alcohols, amines, etc., to form corresponding substitution products.
However, it is also necessary to pay attention to safety when using this substance. Due to its certain irritation, the operation should follow the norms and take protective measures to prevent harm to the human body. When preparing and storing, it is also necessary to strictly follow specific conditions to ensure its quality and stability.

Physical & Chemical Properties

Methyl-p-toluenesulfonate (Methyl Para - Toluenesulfonate), this physical property is important for chemical research. Its shape is usually colorless to slightly yellow liquid, and it looks clear. The melting point is quite low, and it is mostly fluid at ordinary temperatures, which is easy to operate and mix. The boiling point is high, and it is not easy to disperse quickly when heated, and it has thermal stability.
Its solubility is specific, and it can be soluble in many organic solvents, such as ethanol and ether, but its solubility in water is limited. This property can be skillfully used in organic synthesis to assist in the operation of phase separation and extraction. From a chemical perspective, it is electrophilic and can react with many nucleophilic reagents, such as alcohols and amines. It is often a key reagent in the construction of carbon-oxygen and carbon-nitrogen bonds, providing many possibilities for the field of organic synthesis.

Technical Specifications & Labeling

The technical specifications and labels (product parameters) for the production of Methyl Para - Toluenesulfonate are described in detail as follows. The technical specifications are related to the selection and ratio of raw materials, the temperature and duration of the reaction, and the sequence of operation steps, all of which need to be precisely controlled. If the raw materials need to be selected with high purity, the ratio should be determined according to a specific party, the reaction temperature should be constant at an appropriate degree, the duration should also be fixed, and the operation steps should not be disordered.
As for the identification (product parameters), it is necessary to clarify its characteristics, such as color, taste, and state; determine the standard of its purity, and the impurity content must be strictly controlled; measure its physical and chemical constants, such as melting point, boiling point, etc. In this way, the technical specifications and identification (product parameters) of Fangde Methyl Para - Toluenesulfonate are complete to ensure the quality of the product.

Preparation Method

To prepare Methyl Para - Toluenesulfonate, the raw materials and production process, reaction steps and catalytic mechanism are the key.
In terms of raw materials, p-toluenesulfonate and methanol are usually the main ones. The p-toluenesulfonate needs to be selected with high purity, and the methanol also needs to meet specific purity standards to avoid impurities from the reaction.
In the production process, the two are mixed in the reactor in an appropriate proportion. First control the temperature to a moderate level, usually about 60 to 80 degrees Celsius, which is the initial temperature of the reaction. Then add an appropriate amount of sulfuric acid as a catalyst, and the sulfuric acid can promote the reaction to proceed efficiently. In the
reaction step, the two catalyzed esterification reaction, and the sulfonic acid group combined with the methyl group of methanol to form the target product. During the period, the temperature and pressure should be closely observed, and fine-tuned in a timely manner to ensure the stability of the reaction.
The catalytic mechanism lies in the activation of p-toluenesulfonic acid by hydrogen ions dissociated by sulfuric acid, reducing the activation energy of the reaction, accelerating the reaction rate, and finally obtaining methyl p-toluenesulfonic acid ester.

Chemical Reactions & Modifications

Taste the wonders of chemical industry, it is related to the change of all things. In today's discussion of Methyl Para - Toluenesulfonate, its chemical adaptation and modification are considerable.
Methyl Para - Toluenesulfonate is often a key agent in the field of organic synthesis. It should also lead to various reactions, such as nucleophilic substitution, translocation of functional groups, and formation of new compounds. The beauty of this adaptation lies in precise and controllable control. According to the conditions of the reaction and the characteristics of the substrate, different products can be obtained.
As for modification, it is added to the polymerization system to reduce the properties of the polymer. Or toughen it, or change its solubility, making the polymer suitable for various scenarios. Modified materials have outstanding performance and are of great use in industry and people's livelihood. The progress of chemical industry relies on this chemical response and modification to explore the hidden, so as to create extraordinary materials and benefit the world.

Synonyms & Product Names

"Methyl Para - Toluenesulfonate" is an organic compound. It is also known as methyl p-toluenesulfonate. This substance is widely used in the field of chemical industry.
Methyl p-toluenesulfonate is often a colorless liquid with a specific odor. It is often used as a methylation reagent in organic synthesis. Because the sulfonate group is a good leaving group, it can make the reaction proceed smoothly.
Because of its suitable reactivity, it is often used in the preparation of many fine chemicals. For example, in the process of drug synthesis, it helps to build molecular structures; in the development of materials, or in the construction of specific structural units. Although there are two names, they all refer to the same substance and are indispensable raw materials in chemical research and production.

Safety & Operational Standards

Methyl Para - Toluenesulfonate
Methyl Para - Toluenesulfonate
Methyl Para - Toluenesulfonate

> For example, chemical anti-eyewear application, Methyl Para - Toluenesulfonate entry protection. Resistance to high-temperature products such as handbag use, direct contact with the skin to avoid contact with ける。これらの, and the possibility of chemical ignition of skin inflammation.
Storage, storage, storage, storage, and storage. Direct sunlight and high temperature にさらされると、 Methyl Para - Toluenesulfonate. High risk of decomposition and explosion. Mixed storage and avoidance of other chemicals, sealing and sealing of specific containers, prevention of leakage and leakage.
In case, Methyl Para - Toluenesulfonate is used to prevent leakage, direct safety and isolation of leakage.,
Above safety, operation safety, compliance, Methyl Para - Toluenesulfonate, safety, environment, and safety ることができる。

Application Area

Methyl Para - Toluenesulfonate is also an important agent in organic synthesis. Its application field is wide. In pharmaceutical chemistry, it is often a key intermediate, helping to form many delicate drug molecules to cure diseases and help the world. In the process of pharmaceuticals, with its participation in the reaction, the molecular structure can be accurately constructed, and the pharmacodynamic effect is recognized.
In the field of materials science, it is also very useful. Materials with special properties can be modulated, such as optimizing the properties of polymer materials, increasing their strength, toughness or changing their surface characteristics. With its unique chemical activity, it cleverly reacts with various material precursors to generate novel and suitable materials, contributing to material innovation.
And in the fine chemical industry, it is a powerful tool for the synthesis of specialty chemicals. The preparation of many high-end fine chemicals relies on their participation in the reaction steps and precise regulation of the reaction process to obtain high-quality products to meet the needs of various fine chemicals.

Research & Development

Since modern times, chemical refinement has made progress, and the research of various substances has become increasingly new. In today's words, Methyl Para - Toluenesulfonate, its research and development is of great significance.
At the beginning of the research, many Fang families have been thinking hard. To understand its properties and analyze its structure, we must use scientific methods and strictly handle it. After repeated experiments, measure its physical characteristics, such as melting point, solubility, etc., and explore its chemical properties, and observe its changes in various reactions.
As for development, its use is becoming more and more widespread. In the field of organic synthesis, it is an important reagent, helping to advance the reaction and forming various delicate structures. Due to its unique performance, it has also made its mark in industrial production, or optimized the process, or improved the quality.
However, the road to research is not smooth. Facing difficulties, such as the complexity of preparation, cost control, etc. However, the researchers have made unremitting efforts to move forward, hoping to be more rational and widely used in the future, so that Methyl Para - Toluenesulfonate will shine in various fields, promote the progress of chemistry, and benefit the world.

Toxicity Research

Since modern times, the technology of chemical industry has become new, and all kinds of chemicals have come into being. Among them, Methyl Para - Toluenesulfonate is quite useful in various industrial fields. However, we are chemical researchers, and we should pay attention to its toxicity.
Examine Methyl Para - Toluenesulfonate, its molecular structure, physicochemical properties, are all related to toxicity. After various experiments, observe its impact on organisms. Or enter the cell, disrupt the order of its metabolism; or touch the body, damage its physiological ability.
Although the current research has not been perfect, the signs of toxicity have emerged. Our generation should be diligent and diligent in studying its toxicology in detail, understanding the path of its harm to life, hoping to prevent it from developing, so that this chemical can be used properly without the risk of harming life, the environment, and the researcher's responsibility.

Future Prospects

In the field of chemical industry today, Methyl Para - Toluenesulfonate has extraordinary potential. It is often a key agent in organic synthesis, and can promote many reactions to go smoothly, just like a boat to help navigate a river.
Looking to the future, its application prospects are as bright as stars. In the field of fine chemicals, it is expected to carve more exquisite products, adding bricks to the medicine, fragrance and other industries. In the field of material science, it may be able to generate novel materials to meet the diverse needs of the times.
Although its cognition and exploration have been achieved today, the road ahead is still long. Scientists should be enterprising and delve deeper to unlock more unknowns. With time, it will be able to make full use of its potential, make unparalleled contributions to human well-being, lead the chemical industry to a new journey, and achieve a brilliant future.

Where to Buy Methyl Para-Toluenesulfonate in China?

As a trusted Methyl Para-Toluenesulfonate manufacturer, we deliver: Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements. Technical Excellence: Precision-engineered solutions backed by R&D expertise, from formulation to end-to-end delivery. Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.

Frequently Asked Questions

As a leading Methyl Para-Toluenesulfonate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

What are the main uses of Methyl Para-Toluenesulfonate?

Methyl Para - Toluenesulfonate, an essential reagent in organic synthesis, has a wide range of uses.
First, it plays a significant role in nucleophilic substitution reactions. Its sulfonate group is an excellent leaving group, and many nucleophilic reagents, such as alcohols, amines, and mercaptans, can undergo nucleophilic substitution with it. For example, alcohols react with methyl p-toluenesulfonates in the presence of bases to form ether compounds. This reaction is widely used in drug synthesis, materials science, and other fields in the construction of carbon-oxygen bonds. When the molecular structure of a drug is modified, a specific ether group structure is introduced through such reactions, which may change the physicochemical properties and biological activities of the drug.
Second, it also has important uses in the field of organometallic chemistry. Methyl p-toluenesulfonate can react with organometallic reagents such as Grignard reagent and organolithium reagent. The reaction of Grignard reagent with methyl p-toluenesulfonate can achieve the formation of carbon-carbon bonds, thereby constructing more complex organic molecular structures. This is one of the key steps in the total synthesis of natural products and the development of new organic materials, assisting in the synthesis of target products with specific carbon skeleton structures.
Third, in some catalytic reaction systems, methyl p-toluenesulfonate can act as an initiator or intermediate. In some polymerization reactions, it can initiate the polymerization of specific monomers, and then prepare polymer materials with specific structures and properties. In some multi-step catalytic reaction pathways, it participates in the reaction as an intermediate, promoting the reaction to proceed in a specific direction and step, and achieving efficient synthesis of complex organic compounds.
In short, methyl p-toluenesulfonate plays an indispensable role in many fields of organic synthesis due to its unique reactivity and structural characteristics, which greatly promotes the development and progress of organic chemistry, pharmaceutical chemistry, materials chemistry and other disciplines.

What are the physical properties of Methyl Para-Toluenesulfonate?

Methyl + Para - Toluenesulfonate is an important compound in organic chemistry. Its physical properties are unique and worth exploring.
Looking at its appearance, it is usually a colorless to slightly yellow liquid, clear and liquid. Smell it, or have a slight special smell, but it is not a pungent and unpleasant genus.
When it comes to boiling point, it is about a high temperature range, which is caused by intermolecular forces, giving it good thermal stability. The melting point is relatively low, and it is mostly liquid at room temperature.
Solubility is also an important physical property. It is soluble in many organic solvents, such as ethanol, ether, etc. This property makes it easy to participate in various reactions in the process of organic synthesis, and can be uniformly mixed with various reactants to promote the smooth progress of the reaction.
In terms of density, it is heavier than water. When placed in water, it can be seen that it sinks to the bottom. This density characteristic also has its applications in operations such as separation and purification.
Furthermore, the refractive index is a parameter characterizing its optical properties, and the specific refractive index reflects the influence of its internal structure on light propagation, which is of reference value in the field of analysis and identification.
In summary, the various physical properties of methyl p-toluenesulfonate are interrelated and affect their application in the field of organic chemistry. Whether it is the study of the reaction mechanism or the actual synthesis operation, these properties cannot be ignored.

Is Methyl Para-Toluenesulfonate chemically stable?

Methyl p-toluene sulfonate has relatively stable chemical properties. Among this compound, the sulfonate group is a relatively stable structural part. Methyl groups are connected to p-toluene groups. Under normal conditions, under non-extreme conditions, their carbon-carbon bonds, carbon-hydrogen bonds, and sulfur-oxygen bonds are all stable.
However, when encountering strong nucleophiles, the carbon-oxygen bond of the sulfonate group will be attacked by nucleophiles, which will then trigger nucleophilic substitution reactions. For example, when nucleophiles are present in an alkaline environment, nucleophiles will attack the carbon atoms connected to oxygen in the sulfonate group, causing the sulfonate group to leave and form new substitution products.
In addition, under extreme conditions such as high temperature, strong oxidation or strong reduction, its chemical stability will also be affected. For example, strong oxidants may further oxidize sulfur atoms, changing their original chemical structure and properties; under high temperature conditions, the vibration of chemical bonds inside the molecule intensifies, which may lead to the breaking and rearrangement of some bonds.
Overall, under common mild conditions, the chemical properties of methyl p-toluenesulfonate are relatively stable, but under specific reaction conditions and reagents, it will exhibit corresponding chemical activity and reactivity.

Methyl Para-Toluenesulfonate What are the precautions during the synthesis process

Methyl p-toluenesulfonate has several ends to pay attention to in the synthesis process. First, this compound has high reactivity, and care must be taken during operation. Because of its high activity, it is easy to react with many reagents. If the operation is not careful, the reaction may go out of control and cause accidents. Therefore, when taking and mixing, the action should be stable and light to ensure that the reaction system is in a controlled state.
Second, methyl p-toluenesulfonate is quite sensitive to moisture. Moisture may cause it to hydrolyze, thus affecting the synthesis effect and reducing the purity and yield of the product. Therefore, when storing and using, it is necessary to keep the environment dry. The equipment used should also be fully dry, and moisture can be removed by drying, nitrogen purging, etc.
Furthermore, this substance may be toxic and irritating to a certain extent. During the operation, protective measures should be taken, such as wearing suitable gloves, goggles and masks, to avoid direct contact with the skin, eyes and respiratory tract. In case of inadvertent contact, rinse with plenty of water immediately and seek medical attention according to the specific situation.
In addition, in the synthesis reaction, it is crucial to control the reaction conditions. Factors such as temperature, reaction time and the proportion of reactants can all have a significant impact on the reaction results. Experiments are required to find the best reaction conditions to ensure that the reaction is carried out efficiently and selectively to obtain the ideal product. Overall, the use of methyl p-toluenesulfonate for synthesis requires attention from various aspects such as operation, environment, protection, and reaction conditions to ensure the smooth synthesis process and achieve the expected synthesis goals.

What is the market price of Methyl Para-Toluenesulfonate?

Methyl Para - Toluenesulfonate is widely used in the chemical industry and can be used as a reagent and intermediate for organic synthesis. As for its market price, it is difficult to determine precisely. Due to the interaction of many factors, its price fluctuates frequently.
The first to bear the brunt is the price of raw materials. The preparation of methyl para-toluenesulfonate has a deep impact on the cost of raw materials. If the supply of raw materials is tight, or the price rises due to market supply and demand, natural disasters in the place of origin, policy changes, etc., the cost of methyl para-toluenesulfonate will increase, and its price will also rise.
Furthermore, the production process and technology are also key. Advanced and efficient production processes can reduce energy consumption, increase productivity, and then reduce costs. If companies have this advantage, their products may be more competitive in price. However, process upgrades also require huge investment in capital and manpower, which also affects costs and pricing.
The state of supply and demand in the market also affects its price. When demand is strong, if the supply is difficult to replenish in time, the price will rise; on the contrary, if the demand is low and the supply is excessive, the price will be at risk of falling. The intense competition in the industry also drives companies to price according to their own positioning and strategies.
Looking at the market situation, the price of methyl p-toluenesulfonate fluctuates between tens of yuan and hundreds of yuan per kilogram. However, this is only a rough estimate, and the actual price should be determined according to the specific specifications, quality, purchase volume and current market situation. To know the exact price, it is advisable to inquire from relevant suppliers and study the market conditions in detail.