P-Toluene Sulfonic Acid Methyl Este

Lingxian Chemical

Specifications

HS Code	289848
Chemical Formula	C8H10O3S
Molar Mass	186.23 g/mol
Appearance	Colorless to light yellow liquid
Boiling Point	Around 261 - 262 °C
Density	1.17 g/cm³
Solubility In Water	Slightly soluble
Solubility In Organic Solvents	Soluble in many organic solvents like ethanol, ether
Flash Point	Around 140 °C
Odor	Characteristic, pungent odor

Packing & Storage

Packing	1kg of P - Toluene Sulfonic Acid Methyl Este in sealed, corrosion - resistant packaging.
Storage	P - Toluene Sulfonic Acid Methyl Ester should be stored in a cool, dry, well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in tightly - sealed containers to prevent moisture absorption and contamination. Separate from incompatible substances like bases. This storage approach helps maintain its chemical integrity and reduces safety risks.
Shipping	P - Toluene Sulfonic Acid Methyl Este is shipped in well - sealed containers to prevent leakage. It's transported following strict chemical shipping regulations, ensuring safe handling during transit to avoid any potential hazards.

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General Information

Historical Development

In modern times, chemistry has flourished, and all kinds of new things have emerged in large numbers. There are also traces of the rise of P-Toluene Sulfonic Acid Methyl Este. At the beginning, the scholars studied chemistry more deeply, and the experimental methods became more and more refined.
Everyone has been exploring various chemical synthesis methods, and has gone through countless attempts. Or adjust the temperature, or change the ratio, and explore in the midst of many difficulties. At the beginning, there was little success, but the scholars were determined and never discouraged.
After a long time of work, this good method of P-Toluene Sulfonic Acid Methyl Este was prepared. Since then, it has gradually shown its ability in the chemical industry, either as a raw material or as a reaction aid. It has greatly contributed to the progress of industry and the convenience of life, and has become an indispensable part of the chemical field. Its development process is also a proof of chemical progress.

Product Overview

"Product Overview of P-Toluene Sulfonic Acid Methyl Este"
Today there is a product named P-Toluene Sulfonic Acid Methyl Este, that is, P-Toluene Sulfonic Acid Methyl Este. This is an important reagent for organic synthesis. Its color is clear, liquid, and has a special odor.
P-Toluene Sulfonic Acid Methyl Ester has a wide range of uses in the chemical industry. In organic synthesis reactions, it is often used as an alkylation reagent, participating in many key reaction steps and helping to generate various organic compounds. Due to its structural characteristics, it can precisely introduce specific groups and lay the foundation for the synthesis of complex organic molecules.
However, this product also needs to be treated with caution. It is toxic and corrosive to a certain extent, and safety procedures must be strictly followed during operation, and protective measures must be taken to prevent harm to the human body and the environment. During storage and transportation, attention should also be paid to its stability to ensure safety.

Physical & Chemical Properties

P-Toluene Sulfonic Acid Methyl Este, the rationalization of this substance is of great importance. Its color is often high in color, or in the liquid, and the taste is also special. As far as the melting temperature is concerned, the melting temperature is low, and the boiling temperature varies according to the environmental force. In terms of solubility, it is soluble in some soluble materials, but its solubility in water is limited. Its chemical activity is low, and under specific conditions, it can be used for many reactions, such as esterification and etherification. Because of its physicochemical properties, it is often used as a catalyst or medium in the chemical industry to assist in the synthesis of multiple compounds.

Technical Specifications & Labeling

Nowadays, there is a chemical product called P-Toluene Sulfonic Acid Methyl Este, and its process specifications and identification (product parameters) are the key.
Looking at this product, the process specifications need to be rigorous and consistent. Starting from the ratio of raw materials, all materials should be accurately weighed without any error. The temperature and duration of the reaction also need to be stabilized, or timed according to the ancient hourglass method, or measured by exquisite equipment, so that the reaction is complete.
In terms of labeling, the name of the product should be written in a conspicuous way on the packaging, and the parameters such as raw material composition and characteristics should also be detailed. This is all for the user to understand its properties and make good use of it.
Only in this way can this chemical product comply with the laws on process specifications and labels to meet the needs of the world.

Preparation Method

To prepare methyl p-toluene sulfonic acid (P-Toluene Sulfonic Acid Methyl Este), the method is as follows: prepare p-toluene sulfonic acid and methanol as raw materials. In a clean container, mix the two in an appropriate proportion. During the reaction, the temperature needs to be controlled to slow down the heating and not overplay. The reaction formula is roughly as follows: p-toluene sulfonic acid and methanol are esterified to obtain methyl p-toluenesulfonic acid and water.
During the reaction process, an appropriate amount of catalyst can be added to promote the reaction rate. When the reaction is gradually completed, the product is separated by distillation. The unreacted raw materials are first removed, and then purified by distillation to obtain pure p-toluenesulfonic acid methyl ester. Throughout the preparation process, attention should be paid to the standard of operation, to ensure safety, and to control all reaction links in order to achieve satisfactory results.

Chemical Reactions & Modifications

Taste the industry of chemical industry, in the change of things, and explore the details. In this talk, the transformation and modification of P-Toluene Sulfonic Acid Methyl Este.
The transformation of P-Toluene Sulfonic Acid Methyl Este is a wonderful thing that is sympathetic to all things, and the form and quality are mutually changing. The transformation of P-Toluene Sulfonic Acid Methyl Este often requires temperature and agent. With a suitable temperature and a specific agent, the molecules can be clutched and ordered to obtain the desired quality.
As for the modification, it is aimed at improving its properties and using it widely. Or increasing its stability, or being easily soluble, all depend on the delicate method. Looking at the chemical industry in ancient times, it is mostly based on experience, but now it is based on scientific principles and accurate handling.
Study the transformation and modification of this substance. If we can study the mechanism and apply techniques skillfully, we will be able to make P-Toluene Sulfonic Acid Methyl Este develop its strength in various industries and be used by the world. This is also the purpose of chemical research.

Synonyms & Product Names

In modern times, with the refinement of chemistry, there is a thing called P-Toluene Sulfonic Acid Methyl Este. The alias and trade name of this thing are particularly important.
Its alias is derived from its chemical characteristics and structure. The principle of chemistry is fine and profound, and the name of the substance often depends on the structure of its molecules and the composition of elements. P-Toluene Sulfonic Acid Methyl Este is no exception. It is composed of a benzene ring, a sulfonic acid group and a methyl ester group, so the alias is also related to these structures.
As for the trade name, it is related to market circulation and industrial application. In order to facilitate promotion and sales, merchants often take easy-to-remember and unique trade names. In the chemical industry, or for synthesis, or as a catalyst, the trade name is spread in the industry and is well known to practitioners.
Aliases and trade names, although expressed differently, refer to this thing. In the academic world, aliases are convenient for accurate discussion; in the business world, trade names are conducive to trade circulation. The two complement each other, and jointly recognize the use and value of P-Toluene Sulfonic Acid Methyl Este, contributing to the development of chemistry and the progress of industry.

Safety & Operational Standards

"Specifications for the Safety and Operation of P-Methyl Toluenesulfonate Products"
The use of P-methyl toluenesulfonate is also a chemical product. Its performance and use are related to safety and operation, and must not be ignored.
The road to safety is the first protection. Those who use this object should wear appropriate protective equipment, such as gas masks, protective gloves and protective clothing. Because of its toxicity, it can harm the body by touching or smelling it. If it enters the eyes, it will damage the eyes; if it enters the skin, it will damage the skin; if it enters the mouth and nose, it will harm the internal organs.
When storing, choose a cool, dry and ventilated place. Keep away from fire and heat sources to prevent the risk of ignition and explosion. Do not mix with oxidants, alkalis and other substances, because their chemical activity is active, and they may react violently when encountered.
When operating, follow the specifications. Do it in a well-ventilated environment to avoid the accumulation of its steam in the room. When taking it, use a precise appliance, the amount is moderate, and do not be greedy for too much. When stirring, the speed is moderate to avoid accidents due to violent agitation.
If you accidentally touch it, rinse it with plenty of water quickly. If you touch the skin, wash it and seek medical attention; if you enter the eye, rinse it and go to the medical office urgently. If there is a leak, don't panic, cut off the fire source first, and then clean it up. Small leaks can be adsorbed by sand and other substances; large leaks need to be contained and collected and handled by professionals.
In general, the safety and operation of P-methyl toluenesulfonate should be cautious and not slack. Adhering to this specification can ensure personal safety and promote smooth production.

Application Area

P-Toluene Sulfonic Acid Methyl Este is widely used. In the field of organic synthesis, it is often a key agent. It can be used as a catalyst for esterification reaction, making the reaction fast and efficient, helping organic acids and alcohols to form esters, and increasing the yield of products.
In chemical production, it is also very useful. When making flavors and pharmaceutical intermediates, it is used as a medium to promote the reaction and obtain the required ingredients. Because of its unique chemistry, it can lead the reaction to the desired direction under mild conditions.
In the field of material science, or involved in the preparation of polymers. After a specific reaction path, polymers with special properties are formed to meet the needs of different applications, such as material modification, to make them more stable and mechanical.

Research & Development

I am dedicated to the research of P-Toluene Sulfonic Acid Methyl Este. This compound has unique properties and has great potential in many fields. At first, I investigated the method of its synthesis, and after repeated attempts, optimized the process, and strived to improve the yield and purity.
Then, study its reaction characteristics and observe its changes under different conditions. During this process, carefully record the data and analyze the results, hoping to gain insight into its inherent laws.
As the research deepens, I also pay attention to its application prospects. Attempt to introduce it into the preparation of new materials and explore the possibility of its industrial production.
Research so far, the results are gradually emerging. However, there are still many problems to be solved. In the future, I will make unremitting efforts to promote the development of this compound and contribute to the academic community and the industry.

Toxicity Research

Toxicity of P-Toluene Sulfonic Acid Methyl Este. This compound, which is clear in color but light in taste, is common in chemical research.
Initially, the mice were tested. The mice were fed with food containing this substance, and over a few weeks, the mice gradually became slack, ate less and were thin. After dissection, it was seen that the liver and kidneys were damaged, which showed that this substance may hurt the internal organs of the mice.
Repeated with plants. The seeds were sown in the soil containing this substance, and the germination was slow, and the young plants were soft, and the leaves were yellowing, and the growth was hindered.
In summary, P-Toluene Sulfonic Acid Methyl Este is toxic and has adverse effects on animals and plants. Those who study this product should be careful. When using this product, they must also prevent its harm to life and the environment.

Future Prospects

The future prospects are what our chemical researchers are concerned about. In this case, P-Toluene Sulfonic Acid Methyl Este has not yet been developed, and there are many potential applications.
This compound, with its unique properties, may be able to be exposed in multiple domains. In the way of chemical synthesis, it may be able to provide assistance for the development of new roads. Its reactive properties, if well researched and carefully controlled, will surely be able to derive many high-value-added products.
Furthermore, in the field of material science, it may be able to study its characteristics and develop new materials with excellent performance, which can be used in the field of materials and other applications. In the future, in-depth investigation of its performance will surely make this compound more powerful, bring more well-being to our lives, and create a new situation.

Frequently Asked Questions

What are the main uses of P-Toluene Sulfonic Acid Methyl Este?

Methyl p-toluenesulfonate is a commonly used reagent in organic synthesis and has a wide range of uses.
First, it can be used as an important methylation reagent in the field of drug synthesis. For example, when many drug molecules are constructed, methyl groups need to be introduced to optimize the activity, solubility and metabolic properties of the drug. Methyl p-toluenesulfonate, with its active methyl groups, can react with compounds containing active hydrogen, such as phenols and amines, and precisely introduce methyl groups, thus providing a key step for the development and production of new drugs.
Second, it also plays an important role in the dye industry. The structural modification of dye molecules often requires the introduction of specific groups. Methyl p-toluenesulfonate can achieve methylation modification, change the color and fastness of dyes, and help synthesize dye products with richer colors and better performance. It meets the needs of high-quality dyes in textile and other industries.
Third, in the field of materials science, methyl p-toluenesulfonate can be used for the preparation and modification of polymer materials. For example, in the synthesis of some functional polymer materials, the polymer is modified by methylation reaction to improve its electrical, optical or mechanical properties, providing an effective means for the development of new materials and promoting the progress and innovation of materials science.
In addition, in the field of fine chemical synthesis, methyl p-toluenesulfonate is used as a methylation reagent to provide the possibility for the synthesis of various fine chemicals with special functions, such as flavors, additives, etc., to enrich the types and properties of fine chemicals and meet the diverse needs of different industries.

What are the Physical Properties of P-Toluene Sulfonic Acid Methyl Este

P-methyl toluenesulfonate is also an organic compound. Its physical properties are quite important and are related to many chemical applications.
Looking at its properties, at room temperature, P-methyl toluenesulfonate often takes the form of a colorless to slightly yellow oily liquid. This form is easy to mix and contact with other substances in many reaction systems, and then participate in chemical reactions.
When it comes to smell, it emits a special smell. Although it is not pungent and intolerable, it is also different from common odorless substances. This smell can be used as one of the characteristics of the preliminary identification of the substance.
As for the melting point, it is about -32 ° C. The lower melting point allows the substance to maintain a liquid state at relatively low temperatures, which facilitates the reaction operation at low temperatures, and when the temperature changes, the change of its physical state will also affect the related reaction process.
In terms of boiling point, it is roughly around 290 ° C. A higher boiling point indicates that the substance has good thermal stability, and the gasification transition occurs at relatively high temperatures, which is a key consideration for stability in some operations that require high temperature reaction environments or distillation separation. The density of
is about 1.24g/cm ³, which is slightly higher than that of water. Therefore, in a system coexisting with water, it will be in the lower layer. This characteristic can be used as one of the bases when it comes to liquid-liquid separation and other operations.
In terms of solubility, P-toluenesulfonate methyl ester is soluble in a variety of organic solvents, such as ethanol, ether, etc. Its good solubility in organic solvents makes it widely used in the field of organic synthesis, and it can be used as a reactant or solvent to participate in various organic reactions, greatly expanding its possibility in chemical synthesis path selection.
However, it is important to note that P-methyl toluenesulfonate is toxic and corrosive. When operating, strict safety procedures must be followed to prevent harm to humans and the environment. Its physical properties are interrelated and together determine the scope and method of application in the chemical field.

Is P-Toluene Sulfonic Acid Methyl Este Chemically Stable?

P-toluenesulfonate methyl ester, this physical property is not stable. It is an organic compound, with the general properties of esters, and contains a sulfonate structure, which makes it have different reactivity.
When exposed to water, it can slowly hydrolyze. Because the ester group is hydrolyzed under the action of water and acid or base, it can easily break the bond and produce P-toluenesulfonate and methanol. Acids or bases can promote this rate of hydrolysis, especially in strong bases.
When heated, the stability is also limited. If the temperature is too high, it may cause intramolecular rearrangement, or decompose into irritating and toxic products, such as sulfur-containing volatile compounds, and decompose or accompany the risk of explosion, because it is flammable.
In an oxidizing environment, although it is not very easy to oxidize, when it encounters a strong oxidizing agent, the methyl group or sulfonic acid group on the benzene ring may be oxidized, resulting in structural and property changes.
When it encounters nucleophiles, the carbon of the ester group is attacked by nucleophiles, and the nucleophilic substitution reaction is easy to generate, resulting in structural modification.
In summary, the chemical properties of P-toluenesulfonate methyl ester are unstable. When storing and using, it must be used according to its characteristics to ensure safety and avoid dangerous conditions.

P-Toluene Sulfonic Acid Methyl Este in the production process

During the production of P-methyl toluenesulfonate, all kinds of precautions are essential. The first thing to do is to check its toxicity. This is a toxic product that touches the human body or causes damage. When operating, be sure to wear complete protective equipment, such as gas masks, gloves, protective clothing, etc., to prevent its damage, prevent it from coming into contact with the skin and eyes, and be careful to avoid inhaling its volatile gas.
Second time and fire and explosion protection. This substance is flammable and may explode under certain conditions. Fireworks should be strictly prohibited in the production site. Electrical equipment should meet explosion-proof standards, and static electricity should be properly controlled to prevent accidents caused by static electricity.
Furthermore, it is related to its chemical properties. P-methyl toluenesulfonate is chemically active and easily reacts with many substances. When storing and using, it must not be mixed with oxidants, strong alkalis, etc., to prevent violent reactions and cause danger.
Repeat, the maintenance and management of production equipment should not be ignored. Pipes, valves and other facilities need to be inspected regularly to prevent their leakage. Once a leak is detected, emergency measures should be taken immediately to evacuate personnel, seal off the site, and dispose of the leak in an appropriate manner.
And ventilation in the production process is also key. Good ventilation can reduce its concentration in the air and reduce the risk of explosion and poisoning. An effective ventilation system should be set up to ensure smooth air flow.
In addition, training of operators is indispensable. Make them familiar with the characteristics, hazards and emergency treatment methods of this substance, and in case of emergencies, they can ensure their own safety and respond properly to minimize losses.

What are the environmental effects of P-Toluene Sulfonic Acid Methyl Estes

Methyl p-toluenesulfonate is involved in the environment and is related to several ends. Its chemical activity is active, and if released in the outside world, it may cause various effects.
First of all, discuss its harm to water bodies. If this substance enters rivers, lakes and seas, it can be soluble and scattered, endangering aquatic organisms. With its chemical characteristics, it may be able to break the physiological function of aquatic organisms. If it disturbs its respiration and metabolism, it can cause fish, shrimp, shellfish, algae, etc. to become sick or die, resulting in an imbalance in aquatic ecology. Looking at the past, the chemical waste of such substances in water caused a sharp decrease in local aquatic organisms, and the frequent occurrence of red blooms.
The influence of times and soil. If it falls in the soil, or changes the chemistry of the soil. Or change the pH of the soil, hindering the uptake of nutrients by plant roots. And or accumulate residues in the soil, gradually poisoning the soil. Ancient clouds "soil, the mother of all things", soil damage, vegetation is difficult to prosper. In the past, there were factories around, due to chemical infiltration of soil, poor harvesting, and wilting of plants, all due to soil ecological damage.
Furthermore, it is also related to the atmospheric environment. Although it is not volatile in normal times, it can release harmful gases when heated or burned. Such as sulfur oxides, etc., these gasifiers may form acid rain in the air, falling and erosion deforestation, which is very harmful. And may participate in photochemical reactions, causing deterioration of air quality, frequent haze and fog, and damage to human and animal health.
It also has an impact on the biological chain. It accumulates in the environment and is passed through the food chain layer by layer, and the concentration gradually increases. Although the amount taken by low-level organisms is small, it may reach the amount of poison in high-level organisms. Such as birds of prey eating poisoned mice, or suffering from aberration and sterility, which eventually leads to species reproduction trapped.
To sum up, the harm of methyl p-toluenesulfonate to the environment is multi-faceted and huge. It is necessary to strictly control its production and use to prevent it from wreaking havoc on the environment, so as to protect the safety of heaven and earth.