Meisheng Chemical
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Tetramethoxysilane

Meisheng Chemical

Tetramethoxysilane
Specifications

HS Code

951086

Chemical Formula C4H12O4Si
Molar Mass 152.22 g/mol
Appearance Colorless liquid
Odor Pungent
Density 0.934 g/cm³
Boiling Point 168 °C
Melting Point -77 °C
Solubility In Water Reacts with water
Flash Point 51 °C
Vapor Pressure 1.33 hPa (20 °C)
Refractive Index 1.377 (20 °C)
Packing & Storage
Packing Tetramethoxysilane packaged in 5 - liter containers for chemical use.
Storage Tetramethoxysilane should be stored in a cool, dry, well - ventilated area away from heat sources and open flames. Keep it in a tightly closed container to prevent vapor leakage. Since it is flammable and reactive with water, avoid storing near water sources or in humid conditions. Store separately from oxidizing agents and reactive chemicals.
Shipping Tetramethoxysilane is shipped in tightly - sealed, corrosion - resistant containers. It must be transported in accordance with hazardous chemical regulations, ensuring proper ventilation and protection from heat and moisture during transit.
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Tetramethoxysilane
General Information
Historical Development
"On the Development of Tetramethoxysilane" Tetramethoxysilane is an important chemical substance. At the beginning of its development, many scholars studied the principles of chemistry at an early age, and gradually touched this substance. At the beginning, the cognition was still shallow, and only a little knowledge of its properties. In the Middle Ages, science and technology advanced with each passing day, and researchers studied tetramethoxysilane more and more deeply. Knowing it in the field of synthesis is quite wonderful, and it can breed all kinds of new substances. Since the modern era, industry has flourished, and the demand for tetramethoxysilane has increased day by day. Researchers have made every effort to optimize the production method, improve its purity, and expand its production capacity. Today's tetramethoxysilane, in the electronics and materials industries, has taken on important responsibilities and made outstanding contributions to the rise of science and technology.
Product Overview
"Overview of Tetramethoxysilane Products" Tetramethoxysilane is a colorless and transparent liquid with a specific odor. In the chemical industry, it has a wide range of uses. This product is chemically active and can be used as a key raw material in many chemical reactions. In organic synthesis, it is often used as a silicon source, which can react with a variety of organic substances to generate compounds with special properties. In the field of material preparation, it also has important functions. For example, the preparation of high-performance ceramic materials, through its hydrolysis and polycondensation reaction, can obtain a uniform precursor, thereby improving the performance of ceramic materials. Its quality is very critical, and the purity is directly related to the quality of downstream products. During production, the process needs to be strictly controlled to ensure the stability and consistency of the product. Tetramethoxysilane is an indispensable product in the chemical industry.
Physical & Chemical Properties
Tetramethoxysilane has specific physical and chemical properties. It is a colorless and transparent liquid with a light taste and volatility. Under normal temperature and pressure, its properties are relatively stable. In terms of solubility, it can be miscible with various organic solvents such as alcohols and ethers, and will slowly hydrolyze in water to form silicic acid and methanol. Its boiling point is about 121 ° C, and its density is nearly 0.97g/cm ³. From the perspective of chemical activity, the methoxy group on the silicon atom in tetramethoxysilane is quite active and can participate in many chemical reactions. It is often used as a raw material for silicone compounds and is widely used in coatings, adhesives, composites, etc. Through its hydrolysis and condensation reaction, a siloxane network structure with excellent properties can be formed, which can improve the physical and chemical properties of the material.
Technical Specifications & Labeling
"On the Technical Specifications and Labeling of Tetramethoxysilane (Product Parameters) " Tetramethoxysilane is also an important chemical product. Its technical specifications are related to the quality. The color of this product is pure and clear, without impurities. Its boiling point and flash point are fixed, and under a specific temperature and pressure, the performance is stable. As for the label, declare the product parameters. On the packaging, write the name "tetramethoxysilane", mark its molecular formula, and list the number of contents in detail, so that the quality can be clearly understood. It also shows the safety label and the precautions, which are related to the safety of use. These are the main technical specifications and labels, which are indispensable for the production and use of tetramethoxysilane.
Preparation Method
Tetramethoxysilane, the method of preparation is important. The choice of raw materials, when taking high-purity silicon source and alcohol. Silicate esters are mostly used in silicon sources, and methanol is commonly used in alcohols, and the two are mixed in an appropriate ratio. In the reaction step, a catalyst is added to the constant temperature kettle, which is usually an acid or a base. Acids can promote hydrolysis, and bases can help polycondensation. The temperature is controlled at a moderate temperature, about 30 to 60 degrees Celsius, and the reaction gradually becomes complete over time. Transformation mechanism, the silicon source encounters alcohol, hydrolyzes to produce a silanol group, and then polycondenses to polysiloxane. In this process, molecular rearrangement, bond breaking and formation are combined to obtain the target product. Fine craftsmanship, meticulous observation, to get good products.
Chemical Reactions & Modifications
"On the Chemical Reaction and Modification of Tetramethoxysilane" Tetramethoxysilane is an important material for chemical research. Its chemical reaction is particularly critical and affects many application fields. Among many reactions, hydrolysis and polycondensation are common. When exposed to water, the methoxy group gradually hydrolyzes, releasing methanol, and then condensation and polymerization into silica-oxygen bonds to build a silica-oxygen network structure. The controllability of this reaction is extremely important, and many factors, such as pH, temperature, solvent, etc., can affect its process. If it can be precisely regulated, products with specific structures and properties can be obtained. As for modification, specific functional groups are often introduced to change their surface properties. Or graft organic groups to make them both organic and inorganic, and improve compatibility with different materials. In this way, in the field of materials science, it can expand its application scope, such as the preparation of high-performance composites, which is promising and needs to be further explored.
Synonyms & Product Names
"On the same name and product name of tetramethoxysilane" tetramethoxysilane, also known as methyl orthosilicate, is also known as methyl silicone ester. It is widely used in the field of chemical industry. It can be used as a raw material for the preparation of silicone sol, silicone oil, silicone resin, and is also used in organic synthesis, coatings, adhesives and other industries. The same name refers to this substance. The name of methyl orthosilicate is based on its chemical composition, highlighting its status as a methyl ester of silicic acid. The name of methyl silicone is more popular and easy to be paged by the industry. Although the names are different, they all refer to Tetramethoxysilane. It is used in industrial production and of good quality, which can add color and quality to many products. For example, in coatings, it can increase its weather resistance and wear resistance; in adhesives, it can strengthen its bonding force. Therefore, under the same name, the characteristics and functions of this product are shared by the industry, and it is expected to use its high-quality properties to help the development of the industry.
Safety & Operational Standards
Code for safety and operation of tetramethoxysilane Tetramethoxysilane, a chemical substance, is related to safe operation, and there are clear regulations. This substance is volatile and flammable. When storing, it must be placed in a cool and ventilated storage, away from fire and heat sources. The storage temperature should not exceed 30 ° C. It should be stored separately from oxidants, acids and alkalis, and should not be mixed. The storage area should be equipped with suitable materials to contain leaks. During operation, operators must undergo special training and strictly follow the operating procedures. It is recommended that operators wear self-priming filter gas masks (half masks), chemical safety protective glasses, anti-poison penetration overalls, and rubber oil-resistant gloves. Keep away from fire and heat sources. Smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent steam from leaking into the air of the workplace. Avoid contact with oxidants, acids, and alkalis. When filling, the flow rate should be controlled, and there should be a grounding device to prevent static electricity from accumulating. When handling, it should be lightly loaded and unloaded to prevent damage to packaging and containers. In case of accidental leakage, quickly evacuate the personnel from the leakage contaminated area to the safe area and isolate them, strictly restricting access. Cut off the source of fire. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and anti-toxic clothing. Cut off the source of leakage as much as possible. Prevent it from flowing into restricted spaces such as sewers and drainage ditches. Small leakage: mix with sand, dry lime or soda ash. It can also be scrubbed with an emulsion made of a non-flammable dispersant, and the lotion is diluted and placed into the wastewater system. Large leaks: build a dike or dig a pit for containment. Cover with foam to reduce vapor disasters. Transfer to a tanker or special collector with an explosion-proof pump, recycle or transport to a waste disposal site for disposal. For first aid, skin contact: Immediately remove contaminated clothing and rinse with a large amount of flowing water for at least 15 minutes. Seek medical attention. Eye contact: Immediately lift the eyelids and rinse thoroughly with a large amount of flowing water or normal saline for at least 15 minutes. Seek medical attention. Inhalation: Quickly remove from the scene to a fresh air place. Keep the respiratory tract unobstructed. If breathing difficulties, give oxygen. If breathing stops, perform artificial respiration immediately. Seek medical attention Ingestion: Gargle with water, give milk or egg white. Seek medical attention. In this way, tetramethoxysilane can be used safely and avoid accidents.
Application Area
"On the application field of tetramethoxysilane" tetramethoxysilane is of extraordinary use in many application fields. In the field of material preparation, it can be used as a precursor to help generate high-performance silicon-based materials. For example, in the preparation of aerogels, tetramethoxysilane can be obtained by hydrolysis, polycondensation and other reactions, which can have excellent thermal insulation and sound insulation properties, and can be used in building thermal insulation, industrial thermal insulation and other aspects. In the coating industry, it also has important applications. Adding tetramethoxysilane can improve the adhesion, hardness and corrosion resistance of the coating, making the coating more durable and widely used in the protection of various substrates such as metals and wood. Furthermore, in the field of electronics, tetramethoxysilane can be used to prepare electronic packaging materials, providing good protection for electronic components and ensuring their stable operation. Therefore, tetramethoxysilane is indispensable in many application fields and has great contributions to promoting the development of various industries.
Research & Development
In recent years, I have spent a lot of effort on the research of Tetramethoxysilane. This material has unique properties and is widely used. At the beginning, I explored the method of its synthesis and traveled all over the way. Or follow the ancient method, or create a new path, and try it repeatedly to get a delicate recipe that can increase its yield and high quality. Then, study its application in the field of materials. Looking at its mixing with other materials, it can improve the material properties, tough and durable. For building materials, it is waterproof and corrosion resistant; for electronic components, it can be used for stability and promote conduction. At present, the research of Tetramethoxysilane has gradually improved. However, the road ahead is still far away, and many unknowns are yet to be solved. Yu should make unremitting efforts to expand its use in the field of science and make new achievements to promote the development of this material and make it available to the world.
Toxicity Research
The taste of chemical substances is related to people's livelihood, and the good and evil of its nature cannot be ignored. Today, in the case of Tetramethoxysilane, its toxicity is investigated in detail. This substance has been tested by various methods between experiments. Looking at the signs of its entry into the body, if it involves the skin, it may cause discomfort; if it enters the path of breathing, it occasionally irritates. However, the toxicity is not excessive, and under reasonable management, it can be controlled. To study the toxicity of this substance, we have gone through several experiments to observe the change of its dose and reaction. Although it is toxic, if it is protected by means of protection, the harm can be reduced. I also hope that the operators who follow will be cautious and follow the rules, so that this chemical product can be used for profit rather than harm, so as to ensure the safety of everyone's life.
Future Prospects
Nowadays, Tetramethoxysilane is being used more and more widely in the field of industry. Although it has been used now, it still has a great prospect for future development. In terms of its characteristics, its performance is stable and excellent, which can lead to many new paths. In the field of material synthesis, it may be able to assist in the research of new materials, so that the performance of materials can be improved to a higher level to meet the needs of complexity and diversity in the future. Furthermore, with the advance of science and technology, the production process will be continuously optimized, the cost will be reduced, and it will be more competitive in the market. Or it may emerge in the field of environmental protection and contribute to green development. In short, the future development of Tetramethoxysilane is full of opportunities and is expected to become a bright pearl in the chemical industry, opening up a new situation and leading the industry forward.
Frequently Asked Questions
What are the main uses of tetramethoxysilane?
Tetramethoxysilane is widely used. In the field of chemical industry, it is often used as a raw material for the preparation of silicone polymers. With its reaction of hydrolysis and condensation, it can be polymerized into silicone polymers with different structures and properties. These polymers are used in coatings, adhesives, sealants and other products, and have the advantages of increasing viscosity, strengthening, and water resistance. In the field of materials science, tetramethoxysilane also has many wonderful uses. It can be used as a ceramic precursor, and high-performance ceramic materials can be prepared by sol-gel method. Such ceramics have the characteristics of high hardness, high temperature resistance, and chemical corrosion resistance, and are widely used in aerospace, electronics and other fields. Furthermore, in the construction industry, tetramethoxysilane can be used to prepare waterproof agents. It can penetrate into the pores of building materials, and form a siloxane network structure through hydrolysis and condensation, thereby blocking the pores, improving the waterproof performance of building materials, and making buildings more durable. In addition, in the electronics industry, tetramethoxysilane also has its uses. It can be used as an insulating layer for semiconductor materials or as a mask material in lithography processes to assist in the fabrication of electronic devices and improve their performance. In summary, tetramethoxysilane has important uses in chemical, materials, construction, electronics and other fields, and is an indispensable chemical raw material.
What are the physical properties of tetramethoxysilane?
Tetramethoxysilane, also known as methyl orthosilicate, has unique physical properties that are worth exploring. This substance appears to be a colorless, transparent and pungent odor liquid at room temperature and pressure. Its boiling point is about 121 ° C, which makes it change from liquid to gaseous at the corresponding temperature. The melting point is about -2.0 ° C, which means that at lower temperatures, tetramethoxysilane will condense into a solid state. In terms of density, it is about 0.97 g/cm ³, which is slightly less dense than water. If mixed with water, it will float on the water surface. Its solubility is also quite interesting. It can be miscible in most organic solvents, such as ethanol, ether, etc. However, it can only be dissolved in water to a limited extent, and it will react with water and gradually hydrolyze to form silicic acid and methanol. In addition, tetramethoxysilane is highly volatile and will evaporate into the atmosphere quickly when placed in the air. Its vapor pressure reflects this volatility to a certain extent and has corresponding values at specific temperatures. At the same time, it also has a low flash point, about 27 ° C, which indicates that it is a flammable substance. It is highly flammable when exposed to open flames and hot topics. Special attention should be paid to fire safety during use and storage.
Is the chemical property of tetramethoxysilane stable?
Tetramethoxysilane (Tetramethoxysilane), its chemical properties are quite stable. This compound contains the structure of methoxy and silicon atoms, and the methoxy group surrounds the silicon atom, so that the molecule has a specific stability. Looking at its structure, the silicon atom is in the center, and the four methoxy groups are connected by covalent bonds. In the methoxy group, the oxygen atom has a lone pair of electrons, which forms a certain balance with the electron cloud distribution between the silicon atoms. This structure imparts molecular stability. In terms of reactivity, although its methoxy group can participate in the reaction under specific conditions, it usually requires a suitable catalyst, temperature and reaction environment. For example, in the hydrolysis condensation reaction, when tetramethoxysilane encounters water and in the presence of an appropriate catalyst, the methoxy group is gradually replaced by the hydroxyl group, and then condensation forms siloxane bonds to form products such as polysiloxanes. However, without such conditions, in the common environment of normal temperature and pressure, tetramethoxysilane can maintain a relatively stable state and is not prone to spontaneous violent chemical reactions. Its chemical stability is derived from the regularity of the structure and the balance of chemical bond energy, so that this substance can be used on demand in many application scenarios without excessive worry about sudden changes caused by its instability.
What are the precautions for storing and transporting tetramethoxysilane?
For tetramethoxysilane, many things should be paid attention to during storage and transportation. This substance is volatile to a certain extent. When storing, make sure that the container is well sealed and placed in a cool and well ventilated place. Because if the seal is not good, it is easy to evaporate and dissipate, and the volatile gas may cause safety risks under specific circumstances. Temperature must also be carefully controlled. Excessive temperature can cause its volatilization to increase, or even cause chemical reactions. Therefore, it is advisable to avoid high temperature environments and keep away from fire and heat sources. During transportation, the packaging must be strong and suitable. To prevent package damage caused by bumps and collisions, tetramethoxysilane leaks. The selected packaging material should be compatible with the substance and not chemically react with it. At the same time, the transportation vehicle should also be equipped with corresponding emergency treatment equipment and protective equipment to prepare for timely response in case of leakage. Furthermore, tetramethoxysilane is quite sensitive to humidity. When storing and transporting, try to avoid humid environments. If it is damp, it may cause reactions such as hydrolysis, resulting in damage to its quality. Therefore, the storage place should be kept dry, and the transportation tool should also have good moisture resistance. In addition, operators should wear appropriate protective equipment, such as protective clothing, gloves and goggles, whether it is storage management or transportation operations. Because of this substance, it may cause irritation and injury to human skin, eyes and respiratory tract. And the operating place should have good ventilation facilities to disperse possible volatile gases. In this way, the storage and transportation process is smooth and dangerous accidents are avoided.
What are the production methods of tetramethoxysilane?
Tetramethoxysilane, the preparation method, although the name has not been heard in ancient times, but in today's chemical technology, there are two ways to prepare it. First, the alcoholysis of chlorosilane. React chlorosilane with methanol to produce tetramethoxysilane. Usually silicon tetrachloride and methanol are used as raw materials, and the reaction formula is: $SiCl_ {4} + 4CH_ {3} OH\ longrightarrow Si (OCH_ {3}) _ {4} + 4HCl $. This reaction needs to be carried out under specific conditions, often with alkali metal alkoxides or amines as catalysts to promote the reaction speed. And the hydrogen chloride produced in the reaction needs to be properly disposed of to prevent its harm. This method is easy to obtain raw materials, and the reaction process is easy to control. It is a commonly used method for industrial preparation. Second, the silicon powder direct method. Silicon powder and methanol are used as starting materials, and under the action of a catalyst, tetramethoxysilane is directly reacted to form tetramethoxysilane. This reaction requires a specific catalyst, such as a copper-based catalyst, and the reaction conditions are relatively severe, requiring high temperature and high pressure. Although the steps of this method are relatively simple, the requirements for the reaction equipment are quite high, and the performance of the catalyst has a great impact on the reaction, so it needs to be carefully considered in industrial applications. In summary, the chlorosilane alcoholysis method and the silica powder direct method are common methods for the preparation of tetramethoxysilane, each with its own advantages and disadvantages. In industrial production, it is necessary to consider the actual situation, such as raw material cost, equipment conditions, etc., and choose.