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2,5-Dimethylbenzenesulfonic Acid Dihydrate

Lingxian Chemical

Specifications

HS Code

905387

Chemical Formula C8H10O3S·2H2O
Molar Mass 222.26 g/mol
Appearance Crystalline solid
Color Typically white
Odor May have a faint characteristic odor
Solubility In Water Soluble
Melting Point Approximately [specific value if known] °C
Boiling Point Decomposes before boiling
Density [value] g/cm³
Acidity Pka [value if known]
Stability Stable under normal conditions
Hazard Class Corrosive (if applicable)
Packing & Storage
Packing Packaging: 1 - kg bag of 2,5 - Dimethylbenzenesulfonic Acid Dihydrate.
Storage Store 2,5 - Dimethylbenzenesulfonic Acid Dihydrate in a cool, dry, and well - ventilated place. Keep it away from heat sources, open flames, and incompatible substances. Store in tightly sealed containers to prevent moisture absorption. Place it on shelves made of corrosion - resistant materials, as potential leakages could contact storage structures.
Shipping 2,5 - Dimethylbenzenesulfonic Acid Dihydrate is shipped in well - sealed containers, safeguarded from moisture and physical damage. Transport adheres to strict chemical regulations to ensure safety during transit.
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2,5-Dimethylbenzenesulfonic Acid Dihydrate
General Information
Historical Development
"Historical Biography of 2,5-Dimethylbenzenesulfonic Acid Dihydrate"
Fu 2,5-Dimethylbenzenesulfonic Acid Dihydrate, which began to appear on the road of research and pursuit by various sages. In the past, the research of various scholars first involved this thing, but the details were not known. However, he was determined to explore, and in the context of various experiments, his properties gradually became clear.
At the beginning, he only knew its shape and quality, but after a long trial, he knew its ability in the realm of transformation. Or participate in various reactions, or present in specific processes. Over the years, various sages have accumulated experience, understood its preparation method, improved and refined, so that this thing can be gradually used in industrial and academic fields. From the ignorance of the first encounter to the familiarity with its sexual use, the hardships during the period were all caused by the dedication of scholars, which became the development scene of today's 2,5-dimethylbenzenesulfonic acid dihydrate.
Product Overview
2,5-Dimethylbenzenesulfonic acid dihydrate, which
has 2,5-dimethylbenzenesulfonic acid dihydrate, is an important material in chemical research. It is in a crystalline state and has unique rationalization. In terms of structure, it contains dimethylbenzenesulfonic acid base and carries two molecules of crystal water. This structure gives it specific properties.
Looking at its physical properties, it is a white crystal at room temperature and has certain stability. In case of hot topics or specific chemical environments, its state or properties are variable. Its solubility is unique in specific solvents, and it is soluble in water and some polar solvents. This property makes it a reactant or medium in many chemical processes.
In chemical research, 2,5-dimethylbenzenesulfonic acid dihydrate can be used for a variety of organic synthesis reactions. Or as a catalyst to accelerate the process of the reaction; or as an intermediate, participating in the construction of complex compounds. It also has potential applications in the field of fine chemistry, which can help advance the research of new materials, drug synthesis, etc., and contribute to the development of chemistry.
Physical & Chemical Properties
The physicochemical properties of 2,5-dimethylbenzenesulfonic acid dihydrate are worth exploring. The shape of this compound often takes on a specific state, and its color or a certain color is observed. As far as its melting point is concerned, it has a specific degree, which is one of its important physical characteristics.
As for chemical properties, under specific conditions, it can participate in various reactions. In case of a certain type of reagent, it can undergo a change of combination or biodecomposition. Its solubility varies in different solvents, which is related to the interaction between its molecular structure and the solvent. And its chemical stability is also affected by environmental factors such as temperature and humidity. All these physical properties are essential for us to study this 2,5-dimethylbenzenesulfonic acid dihydrate, and have important guiding value for its application and further research and development.
Technical Specifications & Labeling
2,5-Dimethylbenzenesulfonic acid dihydrate, this is a delicate chemical substance. Its process specification and identification (product parameters) are extremely critical. The process specification needs to carefully select raw materials, and high-purity initial materials must be used to ensure high quality. The reaction conditions should also be precisely controlled. Parameters such as temperature and pressure, such as the rhythm of the movement, will be chaotic if there is a slight difference. The reaction time should also be appropriate. If it is too short, the reaction will not be completed, and if it is too long, impurities may form.
In terms of identification, the name "2,5-dimethylbenzenesulfonic acid dihydrate" should be clearly marked, and the chemical formula should accurately represent its molecular composition. Purity identification is indispensable to inform people of its purity. There are also signs of storage conditions. This product may need to be stored in a dry and cool place to prevent deterioration. Therefore, the essence of this chemical process specification and labeling is obtained.
Preparation Method
To prepare 2,5-dimethylbenzenesulfonic acid dihydrate, the preparation method is related to the raw material and production process, reaction steps and catalytic mechanism.
First take an appropriate amount of 2,5-dimethylbenzene as the starting material, and add an appropriate amount of concentrated sulfuric acid as a sulfonation reagent in a specific reaction kettle. At a suitable temperature and stirring rate, a sulfonation reaction is initiated. During this reaction process, the sulfonic acid group (-SO-H) in the concentrated sulfuric acid undergoes electrophilic substitution with 2,5-dimethylbenzene ring, and gradually generates 2,5-dimethylbenzenesulfonic acid intermediate.
When the reaction is basically completed, cool down and slowly add an appropriate amount of water to promote the intermediate to combine with water, and crystallize and precipitate 2,5-dimethylbenzenesul The process requires precise control of water volume and cooling rate to prevent the purity of the product from being affected. In the
reaction, concentrated sulfuric acid not only acts as a sulfonating agent, but also acts as a catalyst, reducing the activation energy of the reaction and accelerating the reaction rate. Through this selection of raw materials, delicate reaction steps and catalytic mechanisms, the desired product of 2,5-dimethylbenzenesulfonic acid dihydrate can be prepared.
Chemical Reactions & Modifications
2,5-Dimethylbenzenesulfonic acid dihydrate is worth exploring for my chemical researchers. Its chemical reaction has many variables. The method of the past, the reaction or storage efficiency has not been achieved, and there is a risk of by-product disturbance.
Now we want to change and strive to improve it. Looking at its structure, we should think of new catalysts to intervene, hoping to promote the speed of the reaction and increase the purity of the product. Also consider the change of temperature and solvent, hoping to obtain the best environment.
In this regard, the law of chemical response needs to be carefully observed, from the interaction of molecules to the overall reaction process, all of which must be minimized. After repeated tests, we have obtained a delicate method to make the production of 2,5-dimethylbenzenesulfonic acid dihydrate, both in quality and yield, and thus become one of the chemical improvements.
Synonyms & Product Names
2,5-Dimethylbenzenesulfonic acid dihydrate, which is quite useful in the field of chemical industry. There are different opinions on its nicknames and trade names. Or "dimethylbenzenesulfonic acid dihydrate variant", also known as "2,5-dimethylbenzenesulfonic acid dihydrate".
The reason for its name is that in the chemical structure, there are dimethyl groups attached to the benzene ring, and the sulfonic acid group is also in it, and it is accompanied by two-molecule crystal water. Therefore, different names are used to describe its properties and describe its structure. In chemical research and development matters, although these different names refer to the same thing, they are parallel in the world due to the different habits and uses of all parties.
Safety & Operational Standards
Specifications for the safety and operation of 2,5-dimethylbenzenesulfonic acid dihydrate
The 2,5-dimethylbenzenesulfonic acid dihydrate is a common substance in chemical research. It has strict safety and operation standards in all aspects of experimental operation and storage, and should not be careless.
For storage, it should be placed in a cool, dry and well-ventilated place. If this substance is exposed to humid environment, the structure of its dihydrate may be affected, which may change its chemical properties. And it should be kept away from fire and heat sources. Due to heat or open flames, there may be potential dangers, causing accidents such as combustion.
When operating, the experimenter must wear appropriate protective equipment. Wear acid and alkali resistant laboratory clothes to prevent the substance from spilling on clothing, corroding the fabric and then contacting the skin. Wear protective gloves on your hands, and the material should be able to resist the erosion of 2,5-dimethylbenzenesulfonic acid dihydrate. The face should also be equipped with a protective mask to prevent its powder or solution from accidentally splashing into the eyes, causing serious damage to the eyes.
If you accidentally come into contact with this substance during operation, you should take appropriate measures immediately. If it comes into contact with the skin, rinse quickly with a large amount of running water for at least 15 minutes to remove the contaminated substance as much as possible. In case of eye contact, be sure to immediately lift the eyelids, rinse thoroughly with flowing water or normal saline, and then seek medical attention quickly. If you inhale, you should immediately move to a fresh place to keep the respiratory tract unobstructed. If you have breathing difficulties, you need to give oxygen. If the situation is serious, you should also send it to the hospital for treatment.
After use, the remaining 2,5-dimethylbenzenesulfonic acid dihydrate should not be discarded at will. It should be properly disposed of according to the waste treatment process stipulated by the laboratory to prevent pollution to the environment. In this way, the experiment can be guaranteed to be safe and the research can be carried out in an orderly manner.
Application Area
2,5-Dimethylbenzenesulfonic acid dihydrate, this substance is used in many fields. In the field of industry, it is often used as a catalyst for organic synthesis. It can accelerate the reaction process and increase the yield. For example, in the esterification reaction, it can promote the efficient conversion of organic acids and alcohols into ester compounds. In chemical production, it is of great significance for the preparation of specific compounds. With its catalytic properties, it helps to optimize reaction conditions and reduce energy consumption. In the field of scientific research, it is a commonly used reagent in laboratories. Scientists use it to carry out various organic synthesis experiments to explore the synthesis path and properties of new compounds. In short, 2,5-dimethylbenzenesulfonic acid dihydrate plays an indispensable role in industrial production and scientific research, and promotes the sustainable development and progress of related fields due to its unique chemical properties.
Research & Development
Today there is a product called 2,5-dimethylbenzenesulfonic acid dihydrate. As a chemical researcher, I have dedicated myself to the research and development of this product.
Looking at its properties, its structure is unique, and it has great potential in many fields of chemical industry. At the beginning, I explored its synthesis method, and tried many times to achieve accuracy and efficiency. Although the process is difficult, I have not changed my mind.
After studying its application, it has emerged in catalytic reactions, which can improve the reaction rate and optimize the quality of the product. Its stability is also observed, and its performance can be maintained for a long time under specific conditions.
Looking to the future, we hope to use this product as a foundation to expand more applications, promote the progress of the chemical industry, contribute to industrial development, and make unremitting efforts to make this product play a greater value and help the chemical field move towards a new journey.
Toxicity Research
The toxicity study of Fu 2,5-dimethylbenzenesulfonic acid dihydrate is quite important today. The application of this compound is becoming more and more widespread, but its toxic effects are unknown and cannot be ignored.
Examine this substance in detail, and it is necessary to test its effects on various organisms. First, test it with microworms, and observe how it survives and reproduces in the environment containing this substance. Then test it with green plants, and observe its effects on plant growth and metabolism.
Also examine the state of decomposition and transformation of this substance in the environment, and explore whether it will produce more toxic derivatives.
After many studies, its toxic characteristics and mechanism of action can be proved, and suggestions for its safe application and proper disposal can be made to avoid it from harming life and the environment, and to ensure the safety of all things in the world.
Future Prospects
In today's world, science and technology are changing day by day, and in the field of chemical industry, there are also many achievements. Today, when it comes to 2,5-dimethylbenzenesulfonic acid dihydrate, it is the key to chemical research. Although it is known now, there is still a long way to go in the future.
Our generation of chemical researchers hope that it will be more powerful in the way of catalysis, and can make all kinds of reactions, efficient and environmentally friendly. Or it can be used for the production of new materials, making its performance outstanding, and it will shine in the fields of electronics and medicine.
I hope that its synthesis method will become more and more exquisite, save materials and save energy, and fit the idea of sustainability. In this way, 2,5-dimethylbenzenesulfonic acid dihydrate will surely be able to shine in the future chemical industry stage, contributing to the well-being of the world, and to the unfulfilled ambition of our generation.
Frequently Asked Questions
What is the use of 2,5-dimethylbenzenesulfonic acid dihydrate?
Dibenzyl ketone dihydrate has a wide range of uses. In the field of pharmaceuticals, it is a key traditional Chinese medicine. Because of its unique chemical structure, it can participate in a variety of organic synthesis reactions to prepare various specific drugs. Such as drugs for the treatment of certain nervous system diseases, dibenzyl ketone dihydrate can be used as a key intermediate in its synthesis process to help build a precise drug molecular structure, so that drugs can achieve the desired therapeutic effect.
In the field of materials science, it also has its uses. It can be used to prepare special polymer materials because it can endow materials with special physical and chemical properties. Such as enhancing the stability of materials, improving the plasticity of materials, etc. For example, when preparing specific engineering plastics, adding an appropriate amount of bisbenzylmethylketone dihydrate can improve the heat resistance and mechanical strength of the plastic, making it more suitable for high-temperature and high-load working environments.
In the fragrance industry, it is also indispensable. Because it can emit a unique aroma, it can be used as a raw material for fragrance preparation. After fine preparation, it can produce elegant and charming perfumes, air fresheners and other products, adding a rich fragrance to life.
Furthermore, in the laboratory research of organic synthetic chemistry, dibenzylmethylketone dihydrate is often favored by chemists. As a reaction substrate, it can participate in a variety of classical organic reactions, such as nucleophilic substitution, addition reactions, etc., providing the possibility for the creation of new compounds, promoting the continuous development of organic chemistry, and expanding the boundaries of human understanding and application of organic compounds.
What are the physical properties of 2,5-dimethylbenzenesulfonic acid dihydrate?
The physical properties of dibenzylmethanone-dibenzylmethanone dihydrate are as follows:
Its outer surface is usually crystalline, crystalline, and uniform. This compound has a certain melting temperature, which is at [X] ° C, and is added to this degree.
In terms of solubility, it can be dissolved to a certain extent in high solubility, such as ethanol, ethyl ether, etc. Ethanol is soluble and can form a molecular force to disperse dibenzylmethanone dihydrate. However, the solubility in water is limited, because the benzyl group in the molecule is partially non-reactive, which weakens the recombination force of the whole water molecule.
In terms of density, the density of dibenzyl ketone dihydrate is slightly higher than that of water. When it is put into water, it will sink.
Qualitatively, under normal conditions, the chemical compound can remain stable. However, in case of oxidation, high temperature and other components, it may be biochemically reversed. In case of oxidation, the carbonyl part of the molecule may be oxidized in one step, which will change its transformation and affect its physical properties.
In addition, dibenzyl ketone dihydrate does not react as quickly as some photosensitive compounds under the action of light, but exposure to light may also cause it to weaken gradually, so it should be stored in a dark environment.
What are the chemical properties of 2,5-dimethylbenzenesulfonic acid dihydrate?
Dibenzylglycine dihydrate is a kind of organic compound. It has unique chemical properties and has important properties in many chemical and related fields.
In this compound, the dibenzylglycine part is formed by the introduction of dibenzyl groups into the upper position of glycine. Glycine is a simple amino acid, but after modification with dibenzyl groups, its spatial structure and electron cloud distribution change. The introduction of benzyl groups increases the hydrophobicity of its molecules, resulting in better solubility of dibenzylglycine in non-polar solvents.
The state of its dihydrate means that dibenzylglycine binds to two-molecule water per molecule. The combination of water has a significant impact on its physical and chemical properties. The crystal structure of the hydrate has a specific arrangement due to the participation of water, and this structure affects its melting point, stability and other properties. Under certain conditions, the hydrate may lose water and undergo crystal transformation, which affects its chemical activity.
Chemically, the carboxyl group of dibenzylglycine dihydrate is reactive with the amino group. The carboxyl group can participate in the esterification reaction and form corresponding esters with alcohols catalyzed by acids. The amino group can react with acids to form salts, or participate in nucleophilic substitution reactions, and react with electrophilic reagents such as halogenated hydrocarbons to form more complex organic structures. Although the benzyl moiety is relatively stable, under strong oxidation or special catalytic conditions, reactions may occur, such as oxidation of benzyl, substitution of benzyl hydrogen, etc.
Furthermore, there are hydrogen bonds between the water molecules in the dihydrate and the main molecules. This interaction acts as a mediator in chemical reactions, affecting the reaction rate and selectivity. And the presence of hydrates, or changing their ionization behavior in solution, has an important impact on reactions involving ion equilibrium.
What are the preparation methods of 2,5-dimethylbenzenesulfonic acid dihydrate?
To prepare dibenzylstannic acid dihydrate, there are various methods. First, the method of reacting organotin compound with diacid can be used. Take an appropriate amount of organotin reagent, such as dichlorodibenzyltin, place it in a reactor, dissolve it with an appropriate amount of organic solvent, such as toluene or dichloromethane, and disperse it uniformly. Then add the diacid, such as succinic acid, maleic acid, etc., slowly in an appropriate proportion, and control the temperature under stirring, about 40 to 60 degrees Celsius. When the reaction is completed, the organic solvent is removed by distillation under reduced pressure, and then recrystallized with a suitable solvent to obtain the product.
Second, benzyl halide and tin salt are used as raw materials. First take a benzyl halide, such as benzyl chloride or benzyl bromide, react with metal tin under the action of a catalyst to form a benzyl tin intermediate. This process needs to be carried out at an appropriate temperature, about 80 to 100 degrees Celsius, under the protection of inert gas. After the intermediate is formed, it is reacted with diacid under alkaline conditions. The base can be selected from sodium hydroxide or potassium carbonate, and the reaction temperature is controlled at 30 to 50 degrees Celsius. After subsequent separation and purification steps, such as filtration, washing, drying, etc., dibenzyl tin dihydrate can also be obtained.
Third, tin oxide can be used to react with benzyl halide and diacid. A tin oxide, such as stannous oxide or tin dioxide, is reacted with a benzyl halide in the presence of a specific solvent and catalyst to connect the benzyl group to the tin. Then diacid is added, reacted under suitable conditions, and the pH value of the reaction system is adjusted to make the reaction proceed in the direction of generating dibenzylstannic acid dihydrate. Finally, the target product is obtained through crystallization, separation and other operations. Each method needs to precisely adjust the reaction conditions according to the actual situation to achieve high yield and purity of the product.
What to pay attention to when using 2,5-dimethylbenzenesulfonic acid dihydrate
The use of 2,5-dimethylbenzaldehyde secondary hydrate should pay attention to the following matters.
The first to be used as its flush is the method of storage. This compound should be stored in a cool and dry place, away from open fires and heat sources. Because of its certain flammability, if it is placed at high temperature or near bright fires, it may be dangerous to burn. And humid environments can easily cause its properties to change, so dry environments are indispensable.
Furthermore, it is related to the operation. The operation process must be carried out in a well-connected place. Because of its volatilization, or irritation to the respiratory tract of the human body. If the passage is not smooth, the human body may absorb too much, which may be harmful to health. Operators should also take protective measures, such as wearing protective gloves, protective glasses and mouth covers. This compound may be irritating to the skin, eyes and respiratory tract, and it can be properly protected to keep the body healthy.
When weighing, accurate equipment is required. Because of the amount used in the reaction, it has a great impact on the reaction result. A slight deviation, or the reaction cannot achieve the desired effect, or even cause side reactions.
In addition, after use, the remaining 2,5-dimethylbenzaldehyde secondary hydrate must not be discarded at will. It should be properly disposed of in accordance with relevant regulations. Because it may cause pollution to the environment, compliance treatment can reduce the harm to the environment.
In conclusion, when using 2,5-dimethylbenzaldehyde dihydrate, regardless of storage, handling, weighing, or waste disposal, care must be taken to ensure safety and smooth experimentation.