hesheng chemical
PRODUCTS
Tetrapropylorthosilicate
hesheng chemical
|
HS Code |
355030 |
| Chemical Formula | C12H28O4Si |
| Molar Mass | 264.44 g/mol |
| Appearance | Colorless liquid |
| Odor | Faint, characteristic odor |
| Density | 0.934 g/cm³ at 20 °C |
| Boiling Point | 223 - 225 °C |
| Melting Point | -77 °C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in most organic solvents |
| Vapor Pressure | 0.13 kPa at 20 °C |
| Flash Point | 77 °C |
| Refractive Index | 1.406 - 1.408 at 20 °C |
As an accredited Tetrapropylorthosilicate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | |
| Storage | |
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Competitive Tetrapropylorthosilicate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365036030 or mail to info@alchemist-chem.com.
We will respond to you as soon as possible.
Tel: +8615365036030
Email: info@alchemist-chem.com
Historical Development
"The History of Tetrapropylorthosilicate"
Ancient chemistry has not yet flourished, and the study of materials is fresh. And the gradual progress of science, everyone began to explore the nature of things. Tetrapropylorthosilicate, at the beginning of the people did not know its quality.
In the past, scholars worked hard in the field of chemistry. After several generations of study, it was only possible to identify this thing. At first, only a little bit of its shape was known, and then its properties gradually became clear.
In the early days, the preparation method was complicated and difficult, and the yield was also thin. However, chemists are determined to improve the process. From the initial rough method to the gradually exquisite technique.
Over the years, Tetrapropylorthosilicate in industry and scientific research, and used more and more widely. The development of its history depends on the diligent investigation of chemists, which has enabled this substance to be hidden and revealed, and to be widely used in this world.
Ancient chemistry has not yet flourished, and the study of materials is fresh. And the gradual progress of science, everyone began to explore the nature of things. Tetrapropylorthosilicate, at the beginning of the people did not know its quality.
In the past, scholars worked hard in the field of chemistry. After several generations of study, it was only possible to identify this thing. At first, only a little bit of its shape was known, and then its properties gradually became clear.
In the early days, the preparation method was complicated and difficult, and the yield was also thin. However, chemists are determined to improve the process. From the initial rough method to the gradually exquisite technique.
Over the years, Tetrapropylorthosilicate in industry and scientific research, and used more and more widely. The development of its history depends on the diligent investigation of chemists, which has enabled this substance to be hidden and revealed, and to be widely used in this world.
Product Overview
《Tetrapropylorthosilicate 产品概述》
Tetrapropylorthosilicate，中文名正硅酸丙酯。其为无色透明液体，具特殊气味。在化工领域用途颇广。
此品主要用作制备有机 - 无机杂化材料的前驱体。因其含硅 - 氧键，于适当条件下可发生水解与缩聚反应，形成具有特定结构与性能的硅氧网络。
在材料合成中，常被用于溶胶 - 凝胶法制备二氧化硅气凝胶、介孔二氧化硅材料等。所制得材料于催化、吸附、光学等方面展现独特性能。
Tetrapropylorthosilicate 化学性质相对稳定，不过遇水易水解，生成硅酸及丙醇。储存时需保持干燥，避与水接触。运输亦需遵循相关化学品运输规定，确保安全。
Tetrapropylorthosilicate，中文名正硅酸丙酯。其为无色透明液体，具特殊气味。在化工领域用途颇广。
此品主要用作制备有机 - 无机杂化材料的前驱体。因其含硅 - 氧键，于适当条件下可发生水解与缩聚反应，形成具有特定结构与性能的硅氧网络。
在材料合成中，常被用于溶胶 - 凝胶法制备二氧化硅气凝胶、介孔二氧化硅材料等。所制得材料于催化、吸附、光学等方面展现独特性能。
Tetrapropylorthosilicate 化学性质相对稳定，不过遇水易水解，生成硅酸及丙醇。储存时需保持干燥，避与水接触。运输亦需遵循相关化学品运输规定，确保安全。
Physical & Chemical Properties
Tetrapropylorthosilicate者，化學之物也。其性質兼具物理與化學之特徵。就物理性而言，常溫常壓之下，多呈無色透明之液態，具一定之黏度，流動性尚可。其沸點頗具特點，達某一特定溫度時，始轉化為氣態。至於化學性質，亦不容忽視。其化學鍵結構使其在特定條件下，可與多種物質發生反應。遇強酸強鹼，或有不同之化學變化。且在催化劑之作用下，能參與諸多有機合成反應，於化學工業之領域，應用頗為廣泛，因其特殊之物理化學性質，而展現出重要之價值。
Technical Specifications & Labeling
Tetrapropylorthosilicate者，化学之物也。其工艺规格与标识（产品参数）至为关键。观其工艺规格，需明制备之法，原料必纯，流程当精，温湿度之控、反应之时长皆有定数。
论及标识，产品参数应详，如纯度需达某值，杂质含量须限。外观亦要明晰，色味形态皆为标识要素。包装之上，亦应标注品名、规格、批次等，以备查验追溯。如此，方能保Tetrapropylorthosilicate产品之质，于化工诸域畅行无虞。
论及标识，产品参数应详，如纯度需达某值，杂质含量须限。外观亦要明晰，色味形态皆为标识要素。包装之上，亦应标注品名、规格、批次等，以备查验追溯。如此，方能保Tetrapropylorthosilicate产品之质，于化工诸域畅行无虞。
Preparation Method
The method of making Tetrapropylorthosilicate, the first raw materials and production process. The raw materials are often taken from silicon sources, alcohols and other substances. In the production process, the reaction step is the key. Prepare an appropriate amount of silicon source first, dissolve it in alcohol, stir evenly, and obtain a mixed solution.
Then, put the mixed solution in a specific reaction vessel, control the temperature, and make the reaction slow. Temperature and time must be precisely controlled, otherwise it will affect the purity of the product. During the reaction, the molecules interact and gradually form the desired structure.
After the reaction is completed, the purification mechanism can be taken into account. Distillation can be used to remove its impurities and obtain pure Tetrapropylorthosilicate. This process needs to pay attention to the distillation temperature and pressure to ensure the quality of the product. In this way, the best preparation is obtained.
Then, put the mixed solution in a specific reaction vessel, control the temperature, and make the reaction slow. Temperature and time must be precisely controlled, otherwise it will affect the purity of the product. During the reaction, the molecules interact and gradually form the desired structure.
After the reaction is completed, the purification mechanism can be taken into account. Distillation can be used to remove its impurities and obtain pure Tetrapropylorthosilicate. This process needs to pay attention to the distillation temperature and pressure to ensure the quality of the product. In this way, the best preparation is obtained.
Chemical Reactions & Modifications
Tetrapropylorthosilicate, the raw materials of chemistry are also. Its chemical reaction and modification are the focus of our research. Looking at the reaction, under specific temperature, pressure and catalyst, it can combine with other substances to produce a variety of products. Among them, the breaking and connection of chemical bonds is very delicate, which affects the properties of the products.
As for modification, in order to increase its properties, it is often modified. Or introduce special groups to change its molecular structure, so that it has better thermal stability, chemical stability, or change its surface activity. This is useful in the fields of material preparation, industrial application, etc. After repeated research and testing, many feasible methods have been obtained to optimize the Tetrapropylorthosilicate, so as to meet different needs and promote the progress of the chemical industry.
As for modification, in order to increase its properties, it is often modified. Or introduce special groups to change its molecular structure, so that it has better thermal stability, chemical stability, or change its surface activity. This is useful in the fields of material preparation, industrial application, etc. After repeated research and testing, many feasible methods have been obtained to optimize the Tetrapropylorthosilicate, so as to meet different needs and promote the progress of the chemical industry.
Synonyms & Product Names
Tetrapropyl orthosilicate has many other names, and it also has different names in the industry. In the past, the Fang family explored this thing and knew that it has unique characteristics. It has a wide range of uses in the field of chemistry. It can be used as a raw material for synthesis, or as a medium for reaction. The ancients said: "The name is the real object." The name of tetrapropyl orthosilicate is but the appearance, its nature and use are the essence. Among the various names, although the names are different, they all refer to this thing. Or propyl orthosilicate, or tetrapropyl tetrasilicate, which are all other names, and it refers to the same chemical substance as tetrapropyl orthosilicate. Although the names are different, they are actually the same. All of them are the key to chemical exploration, and they play an important role in material synthesis, chemical preparation, and many other aspects. They are like a shining star in the chemical world, illuminating the path of scientific research.
Safety & Operational Standards
"Tetrapropyl orthosilicate Product Safety and Operation Specifications"
Tetrapropyl orthosilicate (Tetrapropylorthosilicate), this object is related to safety and operation standards and should not be ignored.
Its properties are also volatile, and it is easy to accumulate in space in poorly ventilated areas. Therefore, when operating, the first thing to do is to ventilate, so that the air flows smoothly in the place of operation to prevent gas accumulation and accidents.
Furthermore, when touching this object, protective gear is required. Wear chemically resistant gloves to prevent skin from being invaded by contact with it; protective glasses should be worn to prevent it from splashing in and damaging your eyes. If you accidentally touch the skin, quickly rinse with plenty of water. If you feel unwell, seek medical treatment urgently.
In the operating room, the source of fire should be avoided. Tetrapropyl orthosilicate ester is at risk of explosion in case of open flames and hot topics. The equipment used must be explosion-proof and checked regularly to ensure that it is safe.
Store in a cool, dry and ventilated place, away from fire and heat sources. It should be stored in separate stores with oxidants and acids, and must not be mixed to prevent reactions from changing.
When handling, be sure to pack and unload lightly to prevent package damage and leakage. If there is a leak, quickly cut off the fire source, isolate the scene, emergency personnel wear protective equipment, absorb it with inert materials such as sand and vermiculite, and dispose of it properly, so as not to pollute the environment.
All these are the main principles for the safety and operation of tetrapropyl orthosilicate, and practitioners should follow them carefully to ensure safety.
Tetrapropyl orthosilicate (Tetrapropylorthosilicate), this object is related to safety and operation standards and should not be ignored.
Its properties are also volatile, and it is easy to accumulate in space in poorly ventilated areas. Therefore, when operating, the first thing to do is to ventilate, so that the air flows smoothly in the place of operation to prevent gas accumulation and accidents.
Furthermore, when touching this object, protective gear is required. Wear chemically resistant gloves to prevent skin from being invaded by contact with it; protective glasses should be worn to prevent it from splashing in and damaging your eyes. If you accidentally touch the skin, quickly rinse with plenty of water. If you feel unwell, seek medical treatment urgently.
In the operating room, the source of fire should be avoided. Tetrapropyl orthosilicate ester is at risk of explosion in case of open flames and hot topics. The equipment used must be explosion-proof and checked regularly to ensure that it is safe.
Store in a cool, dry and ventilated place, away from fire and heat sources. It should be stored in separate stores with oxidants and acids, and must not be mixed to prevent reactions from changing.
When handling, be sure to pack and unload lightly to prevent package damage and leakage. If there is a leak, quickly cut off the fire source, isolate the scene, emergency personnel wear protective equipment, absorb it with inert materials such as sand and vermiculite, and dispose of it properly, so as not to pollute the environment.
All these are the main principles for the safety and operation of tetrapropyl orthosilicate, and practitioners should follow them carefully to ensure safety.
Application Area
"On the application field of Tetrapropylorthosilicate"
Tetrapropylorthosilicate, that is, tetrapropyl orthosilicate, has wonderful uses in many fields. In the field of material preparation, it is often a key raw material for the synthesis of materials with special properties. For example, in the preparation of high-performance molecular sieves, tetrapropyl orthosilicate can ingeniously participate in the reaction to build a unique skeleton structure of molecular sieves, so that molecular sieves show excellent performance in adsorption and catalysis.
In the coating industry, it also plays an important role. Added to the coating, it can significantly improve the hardness and wear resistance of the coating, making the coating more resistant to external erosion and prolonging the service life of the object. Furthermore, in the field of electronics, tetrapropyl orthosilicate helps to prepare electronic packaging materials, providing stable protection for electronic components and ensuring their stable operation. It can be seen that tetrapropyl orthosilicate has important application value in many fields, promoting the continuous progress and development of various industries.
Tetrapropylorthosilicate, that is, tetrapropyl orthosilicate, has wonderful uses in many fields. In the field of material preparation, it is often a key raw material for the synthesis of materials with special properties. For example, in the preparation of high-performance molecular sieves, tetrapropyl orthosilicate can ingeniously participate in the reaction to build a unique skeleton structure of molecular sieves, so that molecular sieves show excellent performance in adsorption and catalysis.
In the coating industry, it also plays an important role. Added to the coating, it can significantly improve the hardness and wear resistance of the coating, making the coating more resistant to external erosion and prolonging the service life of the object. Furthermore, in the field of electronics, tetrapropyl orthosilicate helps to prepare electronic packaging materials, providing stable protection for electronic components and ensuring their stable operation. It can be seen that tetrapropyl orthosilicate has important application value in many fields, promoting the continuous progress and development of various industries.
Research & Development
尝闻化学之研，关乎万物之变，于 Tetrapropylorthosilicate 此物，吾心向之。其性殊异，用途颇广，故潜心钻研。初，探其制艺，力求精纯。经累月之试，察诸般因素之影响，如温度、药剂之配，务使产物臻善。继而，究其于诸领域之应用，或为建材，增其坚；或用于电子，助其精。其间多有艰难，然不懈不怠。今有所得，期能推而广之，使此物为世所用，于科技之进、民生之利，皆有裨益。愿吾之钻研，能引同人共探，共促此物之发展，以达新境，不负钻研之心。
Toxicity Research
今有物名曰Tetrapropylorthosilicate，关乎其毒性之研究，颇为紧要。观此物之性，需详察其于诸般情境下之表现。昔之研毒性者，皆重其对生灵之影响，如入体之状，及周遭环境受其染否。
研Tetrapropylorthosilicate毒性，当先考其化学构象，以明其活性。次则验于各类生物，观其有何反应。或察其入动物体后，脏腑机能之变，神情体态之异。再者，探其于环境中，与他物相触，有无化生毒性之物。
且毒性之研，非一蹴而就，必累次试验，详录数据，以得确论。期能尽知Tetrapropylorthosilicate毒性，为世人用此物时，避害趋利，保身护境，得万全之策。
研Tetrapropylorthosilicate毒性，当先考其化学构象，以明其活性。次则验于各类生物，观其有何反应。或察其入动物体后，脏腑机能之变，神情体态之异。再者，探其于环境中，与他物相触，有无化生毒性之物。
且毒性之研，非一蹴而就，必累次试验，详录数据，以得确论。期能尽知Tetrapropylorthosilicate毒性，为世人用此物时，避害趋利，保身护境，得万全之策。
Future Prospects
今有物，名 Tetrapropylorthosilicate ，其于化工之域，潜力无穷。未来之展望，颇具盛景。此物质性质独特，可用于多端。或能于材料革新之途，崭露头角，使材质更为坚韧、耐久，适用于高新科技产品。亦有望在催化领域，大展身手，提升反应效率，降本增效。且在精细化工范畴，或可助力合成精妙化合物，为医药、电子等业，添砖加瓦。待科研精进，技术娴熟，必能挖掘其更多潜能，开拓崭新天地，引领化工未来之潮流，成就非凡之功业。
Where to Buy Tetrapropylorthosilicate in China?
As a trusted Tetrapropylorthosilicate manufacturer, we deliver:
Factory-Direct Value: Competitive pricing with no middleman markups, tailored for bulk orders and project-scale requirements.
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Whether you need industrial-grade quantities or specialized customizations, our team ensures reliability at every stage—from initial specification to post-delivery support.
As a leading Tetrapropylorthosilicate supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.
What are the main uses of tetrapropylorthosilicate?
Tetrahexyl orthosilicate has a wide range of main uses. In the field of chemical industry, it is often a raw material for the preparation of silicone compounds. It can undergo many chemical reactions to derive various silicone materials with specific properties. These materials have important applications in coatings, adhesives, sealants and other industries.
In coatings, tetrahexyl orthosilicate can increase the hardness, wear resistance and chemical corrosion resistance of coatings. Because of its participation in the reaction of coating formation, the cover can build a dense silicon-oxygen network structure, so that the coating performance can be optimized. For example, in marine coatings, it can withstand the erosion of seawater and prolong the service life of ships.
In the field of adhesives and sealants, it can improve the bonding strength and sealing performance. Because it can chemically react with the surface of the adhesives to form chemical bonds and enhance the interfacial bonding force. In the field of construction sealants, the addition of this substance can better resist the influence of the external environment and maintain the sealing effect for a long time.
Furthermore, in materials science research, tetrahexylorthosilicate is also a key reagent for the preparation of porous silicon materials. Through specific processes, its hydrolysis and polycondensation reactions can be regulated to obtain porous silicon materials with different pore sizes and pore structures. These porous silicon materials have great potential in the fields of catalysis, adsorption and biomedicine. In catalysis, its large specific surface area and regular pore structure can provide more activity check points and improve catalytic efficiency; in the field of adsorption, it can efficiently adsorb various substances; in biomedicine, it can be used as drug carriers.
Therefore, tetrahexyl orthosilicate plays an important role in many industries, and has great contributions to promoting the development of related fields.
In coatings, tetrahexyl orthosilicate can increase the hardness, wear resistance and chemical corrosion resistance of coatings. Because of its participation in the reaction of coating formation, the cover can build a dense silicon-oxygen network structure, so that the coating performance can be optimized. For example, in marine coatings, it can withstand the erosion of seawater and prolong the service life of ships.
In the field of adhesives and sealants, it can improve the bonding strength and sealing performance. Because it can chemically react with the surface of the adhesives to form chemical bonds and enhance the interfacial bonding force. In the field of construction sealants, the addition of this substance can better resist the influence of the external environment and maintain the sealing effect for a long time.
Furthermore, in materials science research, tetrahexylorthosilicate is also a key reagent for the preparation of porous silicon materials. Through specific processes, its hydrolysis and polycondensation reactions can be regulated to obtain porous silicon materials with different pore sizes and pore structures. These porous silicon materials have great potential in the fields of catalysis, adsorption and biomedicine. In catalysis, its large specific surface area and regular pore structure can provide more activity check points and improve catalytic efficiency; in the field of adsorption, it can efficiently adsorb various substances; in biomedicine, it can be used as drug carriers.
Therefore, tetrahexyl orthosilicate plays an important role in many industries, and has great contributions to promoting the development of related fields.
What are the physical properties of tetrapropyl orthosilicate?
Tetrahexyl orthosilicate, also known as tetrahexyl orthosilicate, is a compound that is very important in the chemical industry. Its physical properties are as follows:
Under normal temperature and pressure, tetrahexyl orthosilicate appears as a colorless to light yellow transparent liquid, clear and free of impurities. This state is convenient for processing and application in many chemical reactions and industrial processes.
When it comes to boiling point, its boiling point is quite high, about [X] ° C. The higher boiling point allows it to maintain a relatively stable state in some processes that require heat treatment, and it is not easy to quickly vaporize and dissipate due to temperature rise, which is conducive to the continuous progress of the reaction and the formation of products.
As for the melting point, its value is relatively low, about [X] ° C. The lower melting point allows the substance to change from solid to liquid under milder conditions, which is convenient for melting and mixing in actual operation.
The density of tetrahexylorthosilicate is about [X] g/cm ³. This density makes it when mixed with other liquids. When mixed with other liquids, it can exhibit a specific distribution and phase state according to the density difference. This property is of great significance in some processes involving stratification, extraction, etc.
Its solubility is also quite unique, and it can be soluble in a variety of organic solvents, such as ethanol, ether, toluene, etc. This good solubility provides a broad application space for it in the fields of organic synthesis, coating preparation, etc., and can be easily mixed with other organic components to achieve the regulation of various chemical reactions and material properties. However, its solubility in water is very small, which makes it stratified with water in systems involving aqueous phases, and can be separated according to this characteristic.
In addition, tetrahexylorthosilicate also has a certain volatility. Although the volatility is not strong, it will still lose part of the volatilization when placed in an open system for a long time. Therefore, during storage and use, it is necessary to pay attention to sealed storage to avoid the concentration change and quality loss caused by volatilization, which will affect its use effect.
Under normal temperature and pressure, tetrahexyl orthosilicate appears as a colorless to light yellow transparent liquid, clear and free of impurities. This state is convenient for processing and application in many chemical reactions and industrial processes.
When it comes to boiling point, its boiling point is quite high, about [X] ° C. The higher boiling point allows it to maintain a relatively stable state in some processes that require heat treatment, and it is not easy to quickly vaporize and dissipate due to temperature rise, which is conducive to the continuous progress of the reaction and the formation of products.
As for the melting point, its value is relatively low, about [X] ° C. The lower melting point allows the substance to change from solid to liquid under milder conditions, which is convenient for melting and mixing in actual operation.
The density of tetrahexylorthosilicate is about [X] g/cm ³. This density makes it when mixed with other liquids. When mixed with other liquids, it can exhibit a specific distribution and phase state according to the density difference. This property is of great significance in some processes involving stratification, extraction, etc.
Its solubility is also quite unique, and it can be soluble in a variety of organic solvents, such as ethanol, ether, toluene, etc. This good solubility provides a broad application space for it in the fields of organic synthesis, coating preparation, etc., and can be easily mixed with other organic components to achieve the regulation of various chemical reactions and material properties. However, its solubility in water is very small, which makes it stratified with water in systems involving aqueous phases, and can be separated according to this characteristic.
In addition, tetrahexylorthosilicate also has a certain volatility. Although the volatility is not strong, it will still lose part of the volatilization when placed in an open system for a long time. Therefore, during storage and use, it is necessary to pay attention to sealed storage to avoid the concentration change and quality loss caused by volatilization, which will affect its use effect.
In which fields is tetrapropyl orthosilicate widely used?
Tetraethyllead acid ester, with its unique properties, is widely used in many fields.
In the field of chemical industry, this is a key synthetic raw material. It can be combined with other substances by subtle methods to obtain many compounds with special properties. If blended with some organic reagents, intermediates with excellent stability and reactivity can be prepared, paving the way for the preparation of subsequent fine chemicals. The reaction is delicate and complex, and it is necessary to follow the ancient method to observe its temperature and dosage to obtain the best effect.
In the context of material creation, tetraethyllead acid ester also shows extraordinary use. Adding it to a specific material system can optimize the structure and properties of the material. If an appropriate amount is added to some polymer materials, its mechanical strength and weather resistance can be improved. Just like the ancient method of alchemy, the proper combination of materials can make a treasure. The principle is that the molecular structure of tetraethyllead ester can interact with the material molecules and strengthen the connection between them, thereby improving the material properties.
Furthermore, in the field of electronics, it also has unique features. In the manufacturing process of some electronic components, it can be used to improve the electrical conductivity and dielectric properties of components. This process, such as carving jade, requires fine control of its dosage and operation. Or coating on the surface of the component, or participating in the internal structure of the component, can have a profound impact on the performance of electronic components, making it more suitable for the needs of today's rapid development of electronic technology.
Overall, tetraethyllead acid ester is widely used in many fields such as chemical industry, materials, electronics, etc., and its application method needs to be based on ancient skills and modern science, and careful to make it as effective as possible.
In the field of chemical industry, this is a key synthetic raw material. It can be combined with other substances by subtle methods to obtain many compounds with special properties. If blended with some organic reagents, intermediates with excellent stability and reactivity can be prepared, paving the way for the preparation of subsequent fine chemicals. The reaction is delicate and complex, and it is necessary to follow the ancient method to observe its temperature and dosage to obtain the best effect.
In the context of material creation, tetraethyllead acid ester also shows extraordinary use. Adding it to a specific material system can optimize the structure and properties of the material. If an appropriate amount is added to some polymer materials, its mechanical strength and weather resistance can be improved. Just like the ancient method of alchemy, the proper combination of materials can make a treasure. The principle is that the molecular structure of tetraethyllead ester can interact with the material molecules and strengthen the connection between them, thereby improving the material properties.
Furthermore, in the field of electronics, it also has unique features. In the manufacturing process of some electronic components, it can be used to improve the electrical conductivity and dielectric properties of components. This process, such as carving jade, requires fine control of its dosage and operation. Or coating on the surface of the component, or participating in the internal structure of the component, can have a profound impact on the performance of electronic components, making it more suitable for the needs of today's rapid development of electronic technology.
Overall, tetraethyllead acid ester is widely used in many fields such as chemical industry, materials, electronics, etc., and its application method needs to be based on ancient skills and modern science, and careful to make it as effective as possible.
Is the chemical property of tetrapropylorthosilicate stable?
Tetraethyl basic orthosilicate, its chemical properties are still stable. This substance is formed by connecting silicon atoms with ethoxy groups. In the molecular structure, the atoms are firmly bound by covalent bonds. The existence of ethoxy groups gives it chemical stability to a certain extent.
Looking at its physical properties, under normal circumstances, tetraethyl basic orthosilicate is mostly colorless and transparent liquid, with a special odor, and is soluble with many organic solvents. As for chemical properties, under normal conditions, it is difficult to react violently with common substances.
However, in case of special circumstances such as high temperature, open flame or strong oxidizing agent, the stability will change. At high temperature, the covalent bonds inside the molecule may be affected, thereby triggering decomposition reactions. When exposed to strong oxidizing agents, it may participate in oxidation reactions and change its own chemical structure.
In terms of hydrolysis, tetraethyl basic orthosilicate will slowly hydrolyze in contact with water. Due to the tendency of silicon-oxygen bonds to break in contact with water, silicic acid and ethanol are gradually generated. However, this hydrolysis process is usually relatively slow, and the degree of hydrolysis is limited without external conditions such as catalysts.
In summary, tetraethyl basic orthosilicate esters have relatively stable chemical properties under conventional environments and general use conditions, but when stimulated by special conditions, their stability will be affected and corresponding chemical reactions will occur.
Looking at its physical properties, under normal circumstances, tetraethyl basic orthosilicate is mostly colorless and transparent liquid, with a special odor, and is soluble with many organic solvents. As for chemical properties, under normal conditions, it is difficult to react violently with common substances.
However, in case of special circumstances such as high temperature, open flame or strong oxidizing agent, the stability will change. At high temperature, the covalent bonds inside the molecule may be affected, thereby triggering decomposition reactions. When exposed to strong oxidizing agents, it may participate in oxidation reactions and change its own chemical structure.
In terms of hydrolysis, tetraethyl basic orthosilicate will slowly hydrolyze in contact with water. Due to the tendency of silicon-oxygen bonds to break in contact with water, silicic acid and ethanol are gradually generated. However, this hydrolysis process is usually relatively slow, and the degree of hydrolysis is limited without external conditions such as catalysts.
In summary, tetraethyl basic orthosilicate esters have relatively stable chemical properties under conventional environments and general use conditions, but when stimulated by special conditions, their stability will be affected and corresponding chemical reactions will occur.
What is the synthesis method of tetrapropyl orthosilicate?
For tetraisopropyl orthosilicate, the synthesis method is as follows.
First take an appropriate amount of ethyl orthosilicate and place it in a clean reactor. Using ethanol as a solvent, stir evenly to fully disperse the ethyl orthosilicate in it. For ethanol, it can help the reaction and adjust the polarity of the reaction system.
Take isopropanol for the second time and slowly add it to the reactor. The amount of isopropanol needs to be accurately measured, and the amount of ethyl orthosilicate should be added in a certain proportion. After mixing the two, the stirring rate should be moderate so that the two can fully contact and blend.
Next, add an appropriate amount of catalyst. Commonly used catalysts, such as organotin compounds, can effectively promote the occurrence of reactions and reduce the activation energy required for the reaction. Although the amount of catalyst is small, it is crucial. If there is too much, the reaction will be too fast and difficult to control. If there is too little, the reaction will be slow and take a long time.
When reacting, temperature is also a key factor. The temperature of the reaction system is gradually raised to a specific range, usually between tens of degrees Celsius. Maintain this temperature to keep the reaction going. During the reaction process, pay close attention to the signs of the reaction, such as the color change of the solution and the formation of precipitation.
After the reaction is completed, the product is separated by distillation. The volatile solvents and unreacted raw materials are first distilled under atmospheric pressure. Then the tetraisopropyl orthosilicate is purified from the reaction mixture by distillation under reduced pressure. Collect the fraction within a specific temperature range, which is the required tetraisopropyl orthosilicate. By these methods, a relatively pure tetraisopropyl orthosilicate can be obtained.
First take an appropriate amount of ethyl orthosilicate and place it in a clean reactor. Using ethanol as a solvent, stir evenly to fully disperse the ethyl orthosilicate in it. For ethanol, it can help the reaction and adjust the polarity of the reaction system.
Take isopropanol for the second time and slowly add it to the reactor. The amount of isopropanol needs to be accurately measured, and the amount of ethyl orthosilicate should be added in a certain proportion. After mixing the two, the stirring rate should be moderate so that the two can fully contact and blend.
Next, add an appropriate amount of catalyst. Commonly used catalysts, such as organotin compounds, can effectively promote the occurrence of reactions and reduce the activation energy required for the reaction. Although the amount of catalyst is small, it is crucial. If there is too much, the reaction will be too fast and difficult to control. If there is too little, the reaction will be slow and take a long time.
When reacting, temperature is also a key factor. The temperature of the reaction system is gradually raised to a specific range, usually between tens of degrees Celsius. Maintain this temperature to keep the reaction going. During the reaction process, pay close attention to the signs of the reaction, such as the color change of the solution and the formation of precipitation.
After the reaction is completed, the product is separated by distillation. The volatile solvents and unreacted raw materials are first distilled under atmospheric pressure. Then the tetraisopropyl orthosilicate is purified from the reaction mixture by distillation under reduced pressure. Collect the fraction within a specific temperature range, which is the required tetraisopropyl orthosilicate. By these methods, a relatively pure tetraisopropyl orthosilicate can be obtained.
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