N-Octadecyltriethoxysilane

Meisheng Chemical

Specifications

HS Code	651821
Chemical Formula	C24H52O3Si
Molecular Weight	416.76 g/mol
Appearance	Colorless to light yellow liquid
Boiling Point	Approx. 218 - 220 °C at 10 mmHg
Density	Approx. 0.88 - 0.90 g/cm³ at 25 °C
Solubility	Soluble in most organic solvents, insoluble in water
Flash Point	Approx. 143 °C
Vapor Pressure	Very low at room temperature
Refractive Index	Approx. 1.438 - 1.442 at 20 °C

Packing & Storage

Packing	N - Octadecyltriethoxysilane in 500 - mL bottle for chemical packaging.
Storage	N - Octadecyltriethoxysilane should be stored in a cool, dry, and well - ventilated area. Keep it away from heat sources, open flames, and oxidizing agents. Store in a tightly sealed container to prevent moisture absorption and hydrolysis. Avoid storage near incompatible substances to ensure chemical stability and safety.
Shipping	N - Octadecyltriethoxysilane is shipped in well - sealed containers, safeguarded from moisture and extreme temperatures. Shipment follows strict chemical transport regulations to ensure safety during transit.

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General Information

Historical Development

"The Historical Development of N-Octadecyltriethoxysilane" In the past, chemical research was just emerging, and many sages were committed to the exploration of new things. N-Octadecyltriethoxysilane began to enter the field of vision, when the cognition was still shallow, only a few or two characteristics were known. and years have passed, the researchers have been unremitting, and the research on its structure and properties has deepened. At the beginning, the preparation was difficult, and the yield was quite low, but everyone was not discouraged. After years of experiments, the improved process, the preparation method has gradually matured, and the yield has also been improved. Today, N-Octadecyltriethoxysilane is widely used, and it has its merits in materials and chemical fields. Looking back on the past, from the initial exploration of ignorance to wide application, its development path really depends on the hard work of various sages, and the progress of chemistry is also due to the change of this thing.

Product Overview

"N-Octadecyl Triethoxysilane, Product Overview" There is a product named N-Octadecyl Triethoxysilane. It is an organosilicon compound, and its properties are often colorless to pale yellow transparent liquid. This substance contains long-chain alkyl and ethoxysilane structures. The long-chain alkyl makes it hydrophobic, which can reduce the surface energy of the material and make the surface water-repellent. The ethoxysilane can partially hydrolyze to form a silanol group, which can then react with the hydroxyl groups on the surface of various materials to achieve chemical bonding and enhance the adhesion between materials. It is widely used in the industrial field, such as as as a surface treatment agent to improve the anti-fouling and wear resistance of metals, glass and other materials; in the preparation of composite materials, it improves the interface between the matrix and the reinforcement, and improves the comprehensive properties of the material.

Physical & Chemical Properties

It has unique physical and chemical properties. Looking at its physical properties, it is stable at room temperature, pure in color and uniform in quality. It has special solubility and is very good in specific solvents. On its chemical nature, it contains silicon-oxygen bonds and is quite active. It can be hydrolyzed in water to form a silanol group, which can react with many substances, or form bonds, or modify. Its long-chain alkyl structure gives it excellent hydrophobicity and significant effect on the interface. With these physical and chemical properties, N-Octadecyltriethoxysilane is useful in material modification, surface treatment and other fields, and is important for scientific research and industry.

Technical Specifications & Labeling

N-Octadecyltriethoxysilane is an organosilicon compound, and its preparation process needs to be carefully controlled. In terms of process specifications, the ratio of raw materials is very important, and octadecanol and triethoxysilane should be accurately weighed, and the ratio should be appropriate to ensure sufficient reaction. The reaction temperature needs to be maintained in an appropriate range, generally controlled at about [X] ° C, to ensure the reaction rate and product purity. The reaction time also needs to be strictly controlled, about [X] hours is appropriate. Product labeling is related to quality and application, and the main ingredient, that is, N-Octadecyltriethoxysilane, should be clearly marked, and the content should reach more than [X]%. The appearance should be described as a colorless to light yellow transparent liquid. At the same time, key parameters such as density and refractive index are marked. The density is about [X] g/cm ³, and the refractive index is around [X], so that users can accurately judge the quality of the product and ensure the application effect in various fields.

Preparation Method

The method of making N-Octadecyltriethoxysilane is related to the raw materials and production process, reaction steps and catalytic mechanism. If the raw materials are pure, the quality of the raw materials will be good. The production process needs to be precisely controlled, and the temperature, pressure, and time are all important. At the beginning of the reaction, all the materials are put into the kettle in sequence, stirred well. Control the temperature to a moderate extent, so that it gradually responds. The first step is slow, and the latter speed increases. The process is strictly observed to avoid errors. The catalytic mechanism is also heavy. The catalyst is selected to promote the reaction speed and yield. After the reaction is completed, the pure product is obtained through various treatments, such as filtration, steaming, etc. In this way, the high-quality N-Octadecyltriethoxysilane can be obtained to meet the needs of various applications.

Chemical Reactions & Modifications

Recently researched N - Octadecyltriethoxysilane this material, its chemical modification is important. The chemical modification of the material can have different effects due to the mechanical properties of the material. Under specific circumstances, its molecular interaction can lead to the chemical transformation of the road. and modification, can borrow the means of chemical transformation to make it new. Such as the degree of integration, adding special properties, can change its surface activity, qualitative, etc. Modification, N - Octadecyltriethoxysilane in materials, materials and other fields or have more uses. This is the research of researchers, in order to exploit its maximum performance, benefit the way of general use.

Synonyms & Product Names

Now there is a thing called N-Octadecyltriethoxysilane. Although the name of this thing is different, it also has many synonymous names. N-Octadecyltriethoxysilane, in terms of its composition and properties, is an organosilicon compound. In the industry, or because of its long-chain alkyl properties, it is also called octadecyl triethoxysilane. This name is more popular, because it clearly indicates the structure of alkyl and triethoxysilane containing eighteen carbons in the molecule. Because it is often used as a modifier in applications such as material surface treatment, it is also called octadecyl silane reagent for surface modification. This name emphasizes its use, so that the relevant practitioners can know its application direction as soon as they hear it. Such synonymous names, although expressed differently, refer to the substance of this N-Octadecyltriethoxysilane.

Safety & Operational Standards

"Specifications for the safety and operation of N-octadecyl triethoxysilane" Fu N-octadecyl triethoxysilane is an important substance in the chemical industry. Its properties are different, related to safe operation, must not be ignored. For storage, choose a cool, dry and well-ventilated place. Keep away from fires and heat sources to prevent accidents. This substance encounters open flames, hot topics, or risks of combustion, so fireworks are strictly prohibited in the storage place. And it should be stored separately from oxidants and acids, and must not be mixed to avoid chemical reactions and endanger safety. When operating, operators must undergo professional training and strictly follow the operating specifications. It is recommended to wear protective clothing, such as gas masks, chemical protective gloves, etc., to protect your own safety. The operating environment should be well ventilated to prevent gas accumulation. If you accidentally touch the skin, rinse with a large amount of flowing water immediately; if it enters the eyes, immediately lift the eyelids, rinse with flowing water or normal saline, and seek medical treatment immediately. After use, the remaining materials should not be discarded at will, and should be properly disposed of according to regulations. The utensils used should also be cleaned in time to prevent residual substances from affecting subsequent use or causing environmental pollution. In short, the safety and operation of N-octadecyl triethoxysilane should be treated with caution and follow the rules to ensure safety.

Application Area

Nowadays, there is a name N-Octadecyltriethoxysilane, which is widely used and involves many fields. In the field of material production, it can be used as a surface modification agent. With its coating on the surface of the object, it can change its wettability and greatly increase its hydrophobicity. In the genus of waterproofing and anti-fouling, the effect is remarkable. In chemical synthesis, it is also an important raw material. With its special structure, it can participate in the reaction to obtain new materials with unique properties. If polymerized with others, the polymer may have excellent stability and durability. Furthermore, in the field of biomedicine, it may have potential uses. Because it can regulate the interaction between materials and biomolecules, or can be used for carrier construction, help drug delivery is accurate, and contribute to medical progress. All of these show the wide application field of this material, which is an indispensable material.

Research & Development

Nowadays, there is a name N-Octadecyltriethoxysilane, and we are exploring its research and creation as researchers. This substance is unique and is expected to be used in various fields such as materials. Our generation has repeatedly experimented to observe its action with different media, and analyzed the relationship between its molecular structure and properties. After long-term research, progress has been made in the synthesis method, and this substance can be obtained under better conditions and higher yields. Its application has been explored, and good results have been found in surface modification and so on. However, the road to scientific research is long, and it is still necessary to explore its potential, optimize the preparation process, and expand the scope of application, hoping to contribute to the development of many fields, so that it can continue to move forward in the road of research and innovation and bloom.

Toxicity Research

In modern times, chemistry has flourished, and the toxicity of various things has been studied more and more deeply. In today's words, N - Octadecyltriethoxysilane this thing, I will devote myself to studying the toxicity. View its chemical structure, and the intermolecular bonds are orderly. However, the test of toxicity should not be ignored. Try it with various methods, or enter the body, observe its response; or place it in the environment, observe the change of things. Initial test, no violent poison was seen. However, if it is placed on the body for a long time, the skin may feel uncomfortable, such as itching and burning. If it enters the internal organs, it may disturb the transportation of qi and blood, and damage the ability of the internal organs. And this thing is also hidden in the environment. Or stagnant in water and soil, hindering the generation of living things, disturbing the balance of ecology. Therefore, the investigation of toxicity should not stop here, but should be investigated carefully to clarify its harm, protect the safety of life and people, and protect the peace of heaven and earth.

Future Prospects

Today there is a thing called N-Octadecyltriethoxysilane. The wonders of this thing have not yet been fully demonstrated, but we chemical researchers are full of expectations for its future development. Viewing this material, it is unique, or it can make extraordinary achievements in the field of materials. Or it can improve the material, make it more tough and durable, and shine in the construction, machinery and other industries. Or it can play a strange role in interface science. It can regulate the surface properties and make the interaction between substances, depending on the meaning of people. Open up new paths in microfluidics and sensors. Although the current understanding is still shallow, science and technology are advancing day by day. With time, we will be able to explore in depth and tap potential. In the future, it may become a treasure in the chemical industry, contributing to human well-being and creating brilliance.

Frequently Asked Questions

What are the main uses of N-Octadecyltriethoxysilane?

N-Octadecyl triethoxy silane is widely used in the field of chemical industry. First, it has significant effect on the surface modification of materials. It can make the surface of the material hydrophobic. Taking building materials as an example, applying this substance to the surface can prevent water intrusion, increase its water resistance, protect the building from water erosion, and extend its service life. For example, the stone components of ancient buildings, after this treatment, can resist the damage of rain initialization and weathering. Second, in the preparation of composite materials, it is an excellent coupling agent. Can enhance the bonding force between inorganic fillers and organic polymers. For example, when plastics and inorganic fibers are compounded, the addition of this substance can make the interface between the two better, and improve the mechanical properties of the composite material, such as strength and toughness. The resulting material has better performance in engineering applications. Third, it is also useful in the field of coatings. It can improve the adhesion and durability of coatings. Coating a coating containing this substance on the surface of an object can make the coating bond more firmly with the substrate, and enhance the ability of the coating to resist external environmental erosion, such as UV resistance, chemical corrosion resistance, etc., so that the coated object can maintain a good appearance and performance for a long time. Fourth, in the field of micro-nano manufacturing, it is helpful to build a special surface structure. The self-assembly characteristics can be used to fabricate ordered micro-nano structures, which can be used in sensors, optical devices, and other fields to lay the foundation for the realization of special functions, such as enhancing the sensitivity of sensors and optimizing the optical performance of optical devices.

What are the physical properties of N-Octadecyltriethoxysilane?

N-octadecyl triethoxysilane is a kind of organosilicon compound. It has unique physical properties and is widely used in industry and scientific research. This substance is a colorless to light yellow transparent liquid at room temperature, and it is clear and pure in appearance. Its density is about 0.88-0.90 g/cm ³, which is lighter than water and floats on water. The boiling point is quite high, about 385 ° C, indicating that it has a hot topic stability and can maintain a stable state in high temperature environments. It is not easy to evaporate and decompose. The solubility of N-octadecyl triethoxysilane is also an important property. It is soluble in common organic solvents, such as toluene, xylene, acetone, etc., and can be well dispersed in these solvents. This property makes it suitable for the preparation of coatings and inks. It can be used as an additive to help other ingredients mix uniformly and improve product performance. However, it is difficult to dissolve in water. In its molecular structure, octadecyl is a long-chain alkyl group, which has strong hydrophobicity. Although triethoxysilyl has a certain hydrophilicity, it is still mainly hydrophobic. In addition, the surface tension of this substance is low, which can effectively reduce the interfacial tension between liquid and solid surfaces. When coated on the surface of the material, a uniform hydrophobic film can be formed, giving the material good waterproof and antifouling properties. And its chemical properties are active, triethoxy silicon can be hydrolyzed to form a silanol group, and then condensation reaction with other hydroxyl-containing substances, thereby realizing the modification of the material surface and enhancing the bonding force between materials, which is of great significance in the preparation of composite materials and other fields.

What is the chemistry of N-Octadecyltriethoxysilane?

N-Octadecyl triethoxysilane, which is an organosilicon compound, has unique chemical properties. Its molecules contain long-chain alkyl groups and siloxane groups, which interact to shape their diverse characteristics. In terms of reactivity, the ethoxy group in the siloxane group can be hydrolyzed. When exposed to water, the ethoxy group is gradually replaced by a hydroxyl group to form a silanol intermediate. This hydrolysis reaction is controllable under moderate conditions and is often a key step in the preparation of siloxane polymers or surface modification. After hydrolysis, the silanol group has high activity and can react with other active group-containing substances, such as hydroxyl groups and carboxyl groups, to form a stable siloxy bond, whereby the octadecyl chain can be grafted to the surface of the material to achieve surface modification. In terms of solubility, due to the strong hydrophobicity of long-chain octadecyl, N-octadecyl triethoxysilane has good solubility in most organic solvents, such as toluene, chloroform, hexane, etc., which is convenient for dispersion and application in different systems. However, due to its hydrophobicity, it has poor solubility in water, and special means, such as adding surfactants or making emulsions, are required to make it uniformly disperse in the aqueous system. Thermal stability is also an important property. The long-chain alkyl and siloxy bond structure endows it with certain thermal stability. In the moderate temperature range, the compound can maintain stable structure and properties, and can be applied to material treatment or preparation processes that require certain thermal stability. However, when the temperature is too high, it may cause decomposition or other chemical reactions, which may affect its performance and application effect. In summary, N-octadecyl triethoxysilane has broad application prospects in many fields such as material surface modification, coatings, adhesives, etc. due to its chemical properties such as hydrolysis, solubility and thermal stability.

N-Octadecyltriethoxysilane what are the precautions during use

For N-octadecyl triethoxy silane, many matters need to be paid attention to when using it. Its properties are organosilicon compounds, which are reactive and easy to hydrolyze in contact with water. Therefore, it is necessary to avoid water when storing. It should be stored in a dry and cool place and tightly sealed to prevent moisture from invading and causing it to deteriorate. When operating, it is necessary to strictly abide by safety procedures. Because it may be irritating, contact with skin and eyes can cause discomfort. If you accidentally touch it, you should quickly rinse it with plenty of water and seek medical attention as appropriate. The operation field needs to be well ventilated to prevent the accumulation of volatile gases. When applying to the surface of the material, it is necessary to ensure that the surface of the material is clean, dry, free of oil and impurities, so that the substance can be well combined with it and achieve the desired effect. When using the solution, the choice of solvent is very critical. It is necessary to match its solubility and stability, and to prepare it in an appropriate proportion to ensure performance. In addition, during use, the dosage should also be precisely controlled. Excessive or insufficient can affect the final effect. It is recommended to wear appropriate protective equipment, such as gloves, goggles, etc. during operation to ensure safety.

What is N-Octadecyltriethoxysilane synthesis method?

The synthesis of N-octadecyl triethoxysilane is a key technique in the preparation of this compound in the field of chemistry. In the past, to synthesize this compound, it was necessary to carefully prepare raw materials and equipment. The raw materials are mostly octadecylamine and triethoxysilane. Both are the cornerstones of the synthesis. Bear the brunt first, in a dry and clean reactor, inject an appropriate amount of organic solvent, such as anhydrous toluene. This organic solvent allows the reaction to unfold smoothly and orderly. Afterwards, octadecylamine is slowly added into it, stirred evenly, and the octadecylamine is fully dispersed in the organic solvent. Furthermore, under the conditions of low temperature and strict temperature control, triethoxysilane is added dropwise to the above mixture at a very slow speed. During this process, special attention should be paid to the dropwise rate to prevent the reaction from being too violent and out of control. After adding, heat up to a suitable temperature and continue to stir the reaction for a period of two hours. This operation of heating and stirring is designed to promote the full reaction of the two, so as to improve the yield of the product. When the predetermined reaction time is over, N-octadecyl triethoxysilane has been formed in the reaction mixture. However, at this time, the product still contains impurities and needs to be further purified. The purification method commonly used is vacuum distillation. Through vacuum distillation, impurities can be effectively separated from the target product, and finally pure N-octadecyl triethoxysilane can be obtained. This synthesis method has extremely strict control over temperature, raw material ratio and reaction time during operation. Only by precisely controlling all the elements can we ensure the smooth progress of the synthesis reaction and obtain the best quality N-octadecyl triethoxysilane.