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Methyldimethoxysilane

Meisheng Chemical

Methyldimethoxysilane
Specifications

HS Code

942342

Chemical Formula C3H10O2Si
Molecular Weight 106.19 g/mol
Appearance Colorless liquid
Odor Characteristic odor
Density 0.89 g/cm³
Boiling Point 81 - 83 °C
Melting Point -103 °C
Flash Point -12 °C
Solubility Soluble in organic solvents
Vapor Pressure 14.6 kPa (20 °C)
Refractive Index 1.377
Packing & Storage
Packing Methyldimethoxysilane in 5 - liter containers, well - sealed for safe storage and transport.
Storage Methyldimethoxysilane should be stored in a cool, dry, well - ventilated area. Keep it away from heat, sparks, and open flames as it is flammable. Store in tightly closed containers to prevent vapor release. Avoid contact with oxidizing agents. Ensure storage facilities are compliant with safety regulations to minimize risks associated with this chemical.
Shipping Methyldimethoxysilane, a chemical, is shipped in accordance with strict regulations. It's typically transported in specialized containers, ensuring proper containment to prevent leakage and safeguarding the environment and handlers during transit.
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Methyldimethoxysilane
General Information
Historical Development
Methyldimethoxysilane, the beginning of its research, the years are long. In the early years of the chemical industry, the chemical industry was just emerging, and all the sages sought new things, wanting to obtain wonderful agents to help all kinds of industries prosper. At that time, exploration was difficult, and the number of mistakes was difficult, but those who were willing were not discouraged. After years of study, the technology is gradual. In the past, the equipment was simple, and the method of analysis was also sparse. However, the craftsman was meticulous, and the observation was subtle. As science advanced, the instruments were sophisticated, the analysis was accurate, and its quality was pure, and the production was also increasing. Since its inception, until now, methyldimethoxysilane has been used in rubber and plastics, construction, and electronics. From less to more, from coarse to fine, the development of this chemical has witnessed the brilliance of the chemical industry and opened up infinite possibilities in the future.
Product Overview
"Overview of Methyldimethoxysilane Products" Methyldimethoxysilane, its physicochemical properties, colorless and transparent liquid, with a specific odor. Boiling about 72 ° C, density about 0.89g/cm ³. Miscible in most organic solvents, easy to hydrolyze in water. This product has a wide range of uses. In the synthesis of silicone polymers, it is a key monomer for the preparation of silicone resins, silicone oils, etc. In the construction field, it is used as a waterproof agent to increase the water resistance of materials and make them water-repellent and moisture-proof. In the rubber industry, it is used as a coupling agent to strengthen the combination of rubber and fillers and improve the mechanical properties of rubber. The preparation method of often uses chloromethane and silica powder as materials to catalyze the reaction to obtain a mixture of methylchlorosilane, which is then separated and alcoholyzed. During production, the process, temperature control, pressure and other conditions should be strictly followed to ensure quality. Methyldimethoxysilane, in many fields of chemical industry, plays an important role and has a wide prospect.
Physical & Chemical Properties
Methyldimethoxysilane has wonderful physical properties. Looking at its form, at room temperature, it is a clear and transparent liquid, like a clear spring, pure and transparent. Smell it, with a faint special smell, just like a faint fragrance, ethereal and unique. When it comes to boiling point, it is about 70-72 ° C, just like cooking at the right temperature, and it is full of vitality at a specific temperature. Its density is 0.86 g/cm ³, and you can feel the lightness of its texture when you touch it at your fingertips. Its solubility is also a must, and it can blend with most organic solvents, just like a confidant meeting, and it is intimate. The chemical activity is quite high, and it is easy to hydrolyze and condensate in contact with water, just like a smart dancer, performing unique changes on the stage of water. Such physical and chemical properties make it useful in various fields of chemical industry, such as silicone rubber, silicone oil preparation, etc., just like a shining star, shining uniquely in the industrial sky.
Technical Specifications & Labeling
"Technical Specifications and Labeling (Product Parameters) of Methyldimethoxysilane" Methyldimethoxysilane is an important member of silicone compounds. Its technical specifications are crucial and related to product quality. Its preparation needs to follow a specific process, the ratio of raw materials is accurate, and the reaction temperature and duration are strictly limited. For example, the reaction temperature needs to be controlled within a certain range, and the duration should also be appropriate, otherwise it will affect the purity and yield of the product. Product labeling should also not be ignored. The packaging should clearly indicate the product name, chemical formula "CH < Si (OCH <) ", content, production date, shelf life and other parameters. In this way, users can clearly understand product characteristics and information, ensure safe and reasonable use, and provide convenience for product quality traceability.
Preparation Method
The raw materials, production process, reaction steps and catalytic mechanism for the preparation of methyldimethoxysilane are as follows: Methylchlorosilane and methanol are used as the main raw materials. First, an appropriate amount of methylchlorosilane is placed in a special reactor, and methanol is slowly injected to control the precise ratio of the two. The reaction temperature is maintained at about 50 to 60 degrees Celsius, and this process needs to be regulated by a precision temperature control device. At the beginning of the reaction, methanol is gradually contacted with methylchlorosilane. Under the action of a specific catalyst, chlorine atoms and hydroxyl groups in methanol undergo a substitution reaction. The catalyst used is a special metal salt complex, which can effectively speed up the reaction rate and increase the yield. During the reaction process, the pressure and pH changes of the reaction system are closely monitored and fine-tuned in time. After the reaction is completed, high purity methyldimethoxysilane product is obtained by distillation, rectifying and other processes.
Chemical Reactions & Modifications
Methyl dimethoxysilane is also a silicone. Its modification and modification are worth studying. In the chemical reaction, methyl dimethoxysilane can react with various substances. In case of water, the methoxy group is easily hydrolyzed to form a silanol group, and can be self-polymerized or condensed with other compounds containing active groups to form polysiloxanes with different structures and properties. In terms of its modification, it is often used to modify polymer materials. By introducing this compound, the surface energy of the material can be changed, and its water resistance and weather resistance can be increased. Or its interface properties can be changed to make the adhesion between different materials better. Such various reactions and modifications have made methyldimethoxysilane widely used in the fields of chemical industry and materials, and the prospects are also considerable.
Synonyms & Product Names
Methyldimethoxysilane, also known as methoxysilane. Although the names are different, they actually refer to the same. Methyldimethoxysilane is widely used in the field of chemical industry. It can be used as a raw material for the synthesis of many silicone compounds, and it can also be used in the modification of certain materials and the preparation of coatings. Looking at its properties, it has specific chemical activity, can participate in various chemical reactions, and is commonly used in industrial production and scientific research experiments. Although the names may be different, they all refer to this chemical substance. In chemical research and practical application, it is necessary to clarify its same essence to avoid confusion and improper application. Only in this way can the research and use of methyldimethoxysilane maximize its effectiveness and promote the development of the chemical industry.
Safety & Operational Standards
"Code of Safety and Operation for Methyldimethoxysilane" Methyldimethoxysilane is an important member of organosilicon compounds. During its use and operation, safety regulations must be strictly followed. First storage method. When placed in a cool, dry and well-ventilated place, away from fire and heat sources. Due to its flammable nature, it can form an explosive mixture when mixed with air. In case of open flame and high heat, it can cause combustion and explosion. Storage containers must be tightly sealed to prevent leakage. When operating, operators should be professionally trained and act strictly in accordance with operating procedures. Anti-static overalls and rubber oil-resistant gloves are recommended. Avoid contact with oxidizing agents, acids, and alkalis, as they can react violently with them. If accidental leakage occurs, quickly evacuate personnel from the leaking contaminated area to a safe area, isolate them, and strictly restrict access. Emergency personnel must wear self-contained positive pressure breathing apparatus and anti-static work clothes. Do not let leaks come into contact with combustible substances, and cut off the source of leakage as much as possible. Small leaks can be absorbed by inert materials such as sand and vermiculite, and large leaks need to be built embankments or dug for containment, covered with foam to reduce steam disasters, and then transferred to a tanker or special collector with an explosion-proof pump, recycled or transported to a waste treatment site for disposal. During transportation, it is also necessary to ensure that the container does not leak, collapse, fall, or damage. The tank (tank) car used during transportation should have a grounding chain, and holes can be set in the tank to baffle to reduce shock and generate static electricity. It is strictly forbidden to mix and transport with oxidants, acids, alkalis, edible chemicals, etc. During transportation, it should be protected from sun exposure, rain, and high temperature. Stopover should be kept away from fire, heat sources, and high temperature areas. In this way, the safety of methyl dimethoxysilane in all links can be ensured to avoid accidents.
Application Area
Methyldimethoxysilane has a wide range of uses. In the field of construction, it can be used as a waterproof agent, applied to masonry, concrete and other surfaces, which can prevent water from infiltrating and ensure the durability of its structure. And in the textile industry, it can impart water repellency and anti-fouling properties to fabrics and increase their durability. In the rubber industry, it can be used as a coupling agent to improve the bonding force between rubber and filler, so that the performance of rubber products is better, such as the wear resistance and tear resistance of tires. In the field of coatings, it can improve the adhesion and weather resistance of coatings, making the paint surface more durable and bright. It plays a key role in many industrial applications and helps improve the quality of products in various industries.
Research & Development
I have been studying methyl dimethoxysilane for a long time. This substance has unique properties and is widely used in various fields of chemical industry. At first, Yu carefully studied its chemical structure and basic characteristics, and studied the classics in detail in order to gain a deep understanding. Then he carried out a series of experiments to explore the method of its synthesis. Try various raw material ratios and reaction conditions to get the best solution. During the process, difficulties are frequent, such as the reaction yield does not meet expectations, and impurities are difficult to remove. However, he did not give up, repeatedly debugged, and finally got something. After optimizing the synthesis process, the purity of the product has been improved, and the yield has also increased significantly. Today, we continue to study its application and expand, hoping to explore more potential in the fields of new material research and development, promote the development of this substance industry, and make a little contribution to the progress of chemical industry.
Toxicity Research
Those who have studied chemicals in modern times are quite concerned about the toxicity of this substance in Methyldimethoxysilane. Test it, Methyldimethoxysilane volatile, on the way into the body, or by breathing, or through the skin. Taste it in animals, check its response. Those who receive this agent may have respiratory discomfort, and even damage the lungs. It is also irritating to the skin, eyes, and red, swollen, and painful to touch. However, if you want to understand its details, you need to collect a wide range of data, study its rationale, analyze it in different circumstances and in different amounts, and cause harm to all living beings. It is a proof of protection and use, to ensure people's safety and protect the environment.
Future Prospects
Guanfu Methyldimethoxysilane this thing, its specific nature, a wide range of uses. In today's world, although it has been useful, but the future prospects are particularly eye-catching. covers its use in chemical fields, can be used as raw materials, as the basis for synthesizing other things, can help materials with excellent properties, such as strengthening, corrosion resistance, etc. In the future, with the advance of science and technology, or in high-tech emerging, in electronic components, the better its performance, the faster the calculation; in aerospace materials, make the device lighter and more solid, and make it gallop in the sky. Or in the road of environmental protection, another way. With its characteristics, purify sewage flow, treat waste gas, add color to mountains and rivers, and make the world clear again. Although the road ahead may be difficult, with the power of science and technology and unremitting research, we will be able to expand its application, open a new chapter, benefit the world, and become a bright pearl of the future chemical industry.
Frequently Asked Questions
What are the main uses of Methyldimethoxysilane?
Methyldimethoxysilane has a wide range of uses. In the construction field, it is often used as a water repellent. The cover can react with the hydroxyl groups on the surface of building materials to form a waterproof and hydrophobic siloxane network structure, which makes rainwater impermeable, thereby improving the building's ability to resist water damage and effectively prolonging its service life. In the rubber industry, this substance also has important functions. It can be used as a coupling agent to enhance the bonding force between inorganic fillers and rubber substrates. In this way, the physical and mechanical properties of rubber products, such as tensile strength and wear resistance, can be significantly improved, thereby improving product quality and performance. In the paint industry, methyldimethoxysilane can be used as an additive. It can improve the adhesion of the coating to the substrate, so that the coating adheres more firmly to the surface of the object. At the same time, it can also enhance the hardness, wear resistance and chemical resistance of the coating, giving the coating better protective properties. In addition, in the field of electronic materials, it also has applications. It can be used to prepare silicone materials with special properties, providing high-performance raw materials for the manufacture of electronic devices, and helping to improve the performance and function of electronic devices. In short, methyl dimethoxysilane plays a key role in many industries and contributes greatly to the development of various industries.
What are the physical properties of Methyldimethoxysilane?
Methyldimethoxysilane is a kind of organosilicon compound. Its physical properties are unique, and it is of great significance to many fields of application. Looking at its properties, it is mostly colorless and transparent liquid under normal conditions, with clear and pure quality. This state is easy to disperse and blend evenly in various systems, and is conducive to participating in chemical reactions or forming specific structures. When it comes to boiling point, it is about 57-60 ° C. A lower boiling point indicates that it has good volatility. Under appropriate heating conditions, it can quickly convert from liquid to gaseous and escape. This property is extremely critical in some processes that require rapid removal of solvents or separation of substances. Looking at the density again, it is roughly 0.86 - 0.88g/cm ³. This density makes it possible to achieve different states such as stratification or uniform dispersion when mixed with other substances, depending on the density difference. It provides an important physical basis for the preparation of specific materials or phase separation operations. Its solubility is also worth mentioning, and it can be soluble in most organic solvents, such as toluene and ethanol. This solubility characteristic expands its application range in organic synthesis on the one hand, and can participate in various organic reactions as a reactant or solvent; on the other hand, in the preparation of coatings, adhesives and other products, with the help of the solubility of organic solvents, methyldimethoxysilane can be better integrated with other ingredients and improve product performance. As for the flash point, it is about -1 ° C. A lower flash point means that the substance is easily ignited, and there is a risk of combustion and explosion in case of open flames and hot topics. Therefore, during storage and use, the safety measures for fire prevention and explosion prevention are quite high.
What is the chemistry of Methyldimethoxysilane?
Methyldimethoxysilane is one of the most unique silicone compounds. It may be a colorless and transparent liquid, emitting a specific odor. The boiling point of this substance is about a specific value, and the density is also a certain constant. In terms of chemical activity, methyldimethoxysilane is extremely active. Because its molecule contains a methoxy group, this methoxy group is easily hydrolyzed under certain conditions. When exposed to water, the methoxy group is gradually replaced by a hydroxyl group to form a silanol. This silanol can condensate with each other to form a siloxane bond, and finally build a polysiloxane with a specific structure. This property makes methyldimethoxysilane play a key role in the preparation of silicone polymers. Furthermore, it can participate in many organic synthesis reactions. For example, under the action of some catalysts, it can react with compounds containing active hydrogen to realize the connection between silicon atoms and other organic groups, thus greatly expanding its application scope in the field of organic synthesis. At the same time, methyl dimethoxysilane also shows extraordinary utility in the field of material surface modification. Because it can form an silicone film with specific properties on the surface of the material by means of the hydrolysis and condensation process, this film can effectively improve the water resistance, wear resistance and surface lubricity of the material. To sum up, methyldimethoxysilane has broad application prospects and important practical value in many fields such as the preparation of silicone materials, organic synthesis and material surface modification due to its unique chemical properties.
What is Methyldimethoxysilane production method?
Methyldimethoxysilane is also a silicone compound, and its preparation method has been quite exquisite throughout the ages. In the past, the preparation method used chlorosilane to react with alcohols. If methyl dichlorosilane is mixed with methanol, under specific conditions, the two react. When reacting, it is necessary to choose an appropriate container and put the raw materials in a certain proportion. And the reaction temperature is also critical. If the temperature is too low, the reaction will be slow, and if it is too high, the side reactions will increase. Generally speaking, the temperature is controlled in a certain range to make it react smoothly. During the reaction process, the chlorine atom of chlorosilane interacts with the hydroxyl group of methanol, and the chlorine atom is replaced by the methoxy group, so it forms methyldimethoxysilane, and hydrogen chloride gas escapes at the same time. In order to make the reaction sufficient, it is often stirred, and the escaped hydrogen chloride needs to be properly handled to avoid polluting the environment. The current production method is more ancient and refined. In terms of catalysis, the use of new and efficient catalysts can improve the reaction rate and yield. For example, some metal salts or organometallic compounds can be used as catalysts to make the reaction conditions milder. And in the separation and purification step, advanced technologies such as distillation and extraction are used. By means of distillation, methyl dimethoxysilane can be accurately separated according to the boiling point difference of each component of the mixture to obtain a high-purity product. There is also a method of co-reaction of silica powder, methanol and additives. After a series of complex steps, this compound can also be obtained, and this way can optimize the utilization rate of raw materials, reduce waste generation, and be more environmentally friendly and efficient. In short, the preparation of methyl dimethoxysilane has evolved with the times, and the process has been continuously improved, striving for high efficiency, purity and environmental protection.
What are the precautions when using Methyldimethoxysilane?
Methyldimethoxysilane is a silicone compound. When using it, pay attention to the following ends: First, it is essential to protect it. This substance may have irritating effects on the eyes, skin and respiratory tract. When using it, be sure to wear appropriate protective equipment, such as protective glasses, gloves and gas masks, to prevent it from contacting the skin and inhaling into the body. If you come into contact inadvertently, rinse with plenty of water immediately and seek medical attention as appropriate. Second, store with caution. It should be stored in a cool, dry and well-ventilated place, away from fire and heat sources, to prevent it from being thermally decomposed or causing combustion. At the same time, it should be stored separately from oxidants and acids to avoid danger caused by mixed storage. Third, the use of the environment should be good. To ensure that the place of use is well ventilated, it is best to operate in the fume hood, so that the volatile gas can be discharged in time, reduce the concentration in the air, and reduce the harm to the human body. Fourth, the operation specification. During use, avoid its leakage. If there is a leak, the personnel in the polluted area should be quickly evacuated to a safe area and isolated. Emergency personnel need to wear protective equipment, do not let the leak come into contact with combustible substances. A small amount of leakage can be absorbed by inert materials such as sand; if there is a large amount of leakage, it needs to be built embankment or dig a pit for containment, and then properly disposed of. Fifth, compatibility needs to be explained. When using it, it is necessary to clarify its chemical properties and avoid mixing with incompatible substances to prevent chemical reactions from occurring and causing danger.