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Aminoethyltriethoxysilane is a versatile organosilane coupling agent, also known as γ-aminopropyltriethoxysilane, that contains both amino and ethoxy groups enabling it to act as an adhesion promoter, surface modifier, and bonding agent between organic polymers and inorganic substrates.
Aminoethyltriethoxysilane is widely used in adhesives, coatings, sealants, rubber compounds, and composite materials, where it improves bond strength, durability, filler dispersion, and resistance to environmental stress such as moisture, heat, and chemicals.
Aminoethyltriethoxysilane enhances the performance of products in industries such as automotive, construction, and electronics by providing stronger adhesion, improved corrosion resistance on metals, and better mechanical properties in reinforced plastics and rubber.
CAS Number: 919-30-2
EC Number: 213-048-4
Molecular Formula: C9H23NO3Si
Molecular Weight: 221.38 g/mol
Synonyms: Gamma-aminopropyltriethoxysilane, 3-Aminopropyltriethoxysilane, APTES, Triethoxy-3-aminopropylsilane, 1-Trimethoxysilyl-3-aminopropane, Silane coupling agent A-1100, Aminopropylsilane, Triethoxyaminopropylsilane
Aminoethyltriethoxysilane is a versatile chemical compound widely used in industries such as adhesives, coatings, sealants, and rubber manufacturing.
Aminoethyltriethoxysilane is a type of organosilane that contains both amino and ethoxy groups, which allow it to act as a coupling agent, adhesion promoter, and surface modifier.
Aminoethyltriethoxysilane is primarily used to improve the bonding between inorganic materials (such as glass, metal, and ceramics) and organic materials (such as polymers and resins), providing enhanced strength, durability, and resistance to environmental factors like moisture and temperature fluctuations.
The molecular structure of Aminoethyltriethoxysilane consists of an amino group (-NH2) and three ethoxy groups (-OCH2CH3) attached to a propyl chain, allowing it to function as a bifunctional silane.
The amino group is highly reactive and can form covalent bonds with various substrates, while the ethoxy groups can react with siliceous surfaces, creating strong chemical bonds that improve adhesion.
These properties make Aminoethyltriethoxysilane ideal for use in applications that require the bonding of dissimilar materials, where strong adhesion is critical.
In addition to its primary function as an adhesion promoter, Aminoethyltriethoxysilane is also utilized as a surface modifier to improve the properties of coatings and paints.
Aminoethyltriethoxysilane can enhance the scratch resistance, chemical resistance, and overall performance of coatings, making them more durable in harsh environments.
This silane is commonly added to resins used in the automotive, construction, and electronics industries, where high-performance materials are essential.
Furthermore, Aminoethyltriethoxysilane has applications in the formulation of composite materials, where it helps improve the dispersion of filler materials within the resin matrix, ensuring better mechanical properties and overall performance.
Aminoethyltriethoxysilane is also widely used in the formulation of various types of adhesives and sealants, providing improved bond strength and resistance to aging, water, and temperature changes.
Aminoethyltriethoxysilane is typically available in both liquid and solvent-based forms, making it suitable for a wide range of applications and easy incorporation into different manufacturing processes.
Aminoethyltriethoxysilane is typically applied as a primer or additive, where it interacts with the surface of the material to enhance adhesion.
Aminoethyltriethoxysilane is important to note that Aminoethyltriethoxysilane should be stored in a cool, dry place and handled with care due to its reactive nature.
Overall, Aminoethyltriethoxysilane plays a crucial role in enhancing the performance and longevity of a variety of products, making it an essential component in many industrial applications.
Aminoethyltriethoxysilane's ability to promote adhesion, improve surface properties, and enhance material performance has made it a popular choice in numerous manufacturing processes, particularly in the automotive, construction, and coatings industries.
Aminoethyltriethoxysilane is an amino-based silane coupling agent, γ-aminopropyltriethoxysilane, which can strongly bond inorganic and organic materials in a wide range of applications.
Aminoethyltriethoxysilane is used coupling agent for rubber; may be incorporated by pretreatment and integral blends.
Aminoethyltriethoxysilane coupling agent, gamma- Aminopropyltriethoxysilane, a versatile amino-functional coupling agent may be an excellent candidate for use in a range of broad applications to provide superior bonding between inorganic substrates and organic polymers.
Aminoethyltriethoxysilane, gamma-aminopropyltriethoxysilane, a versatile amino-functional coupling agent may be an excellent candidate for use in a range of broad applications to provide superior bonding between inorganic substrates and organic polymers.
Aminoethyltriethoxysilane silane coupling agent is completely and immediately soluble in water (with reaction), alcohol aromatic, and aliphatic hydrocarbons.
Aminoethyltriethoxysilane is gamma-aminopropyltriethoxysilane.
Aminoethyltriethoxysilane is not only a key ingredient in industrial applications but also offers various specialized benefits that enhance product performance across multiple sectors.
Aminoethyltriethoxysilane's function as a coupling agent is particularly valuable in the creation of composite materials, where it helps achieve strong chemical bonds between the organic polymer matrix and inorganic fillers such as glass fibers, silica, and minerals.
This interaction increases the mechanical properties of the composites, such as tensile strength, impact resistance, and durability, which is why Aminoethyltriethoxysilane is widely used in the manufacture of reinforced plastics and fibers, often for automotive and construction components.
One of the key features of Aminoethyltriethoxysilane is its ability to modify surface characteristics, making it an excellent addition to surface treatment processes.
Aminoethyltriethoxysilane acts by enhancing the wetting properties and chemical reactivity of the surface, which in turn promotes better adhesion between coatings and substrates.
This is particularly beneficial in applications involving metal surfaces, as Aminoethyltriethoxysilane improves the bonding strength between the metal and organic coatings, such as paints or varnishes.
Additionally, Aminoethyltriethoxysilane helps in reducing corrosion and oxidation of metal surfaces, prolonging the life of coated products and enhancing their overall performance.
Aminoethyltriethoxysilane is frequently utilized in the formulation of advanced adhesives, particularly in automotive, electronics, and construction sectors, where high adhesion strength and environmental resistance are critical.
The inclusion of Aminoethyltriethoxysilane in these adhesives provides stronger bonding capabilities and higher resistance to harsh environmental conditions, such as extreme temperatures, humidity, and chemical exposure.
This makes Aminoethyltriethoxysilane especially useful in applications like automotive parts bonding, where durability and strength are paramount.
In the electronics industry, Aminoethyltriethoxysilane is employed as a surface treatment agent for substrates used in printed circuit boards (PCBs), semiconductor devices, and other electronic components.
Aminoethyltriethoxysilane improves the interface between metals and polymers, enabling better bonding and ensuring the longevity and performance of these sensitive components under various operating conditions.
The versatility of Aminoethyltriethoxysilane is further demonstrated in its use in rubber and elastomer products.
When used as a surface modifier in rubber compounds, Aminoethyltriethoxysilane helps to improve the dispersion of fillers, increase adhesion to reinforcing agents like carbon black and silica, and enhance the overall physical properties of the final rubber product, such as elasticity, tensile strength, and heat resistance.
This makes Aminoethyltriethoxysilane an essential ingredient in tire manufacturing, as well as in the production of gaskets, seals, and other rubber-based components.
Aminoethyltriethoxysilane is often utilized in combination with other silane coupling agents, creating synergistic effects that optimize the performance of the final product.
Aminoethyltriethoxysilane is frequently used in formulations for coatings and sealants, where it can help to achieve higher water and chemical resistance, reduce the impact of UV radiation, and maintain the clarity and integrity of the coating over time.
Overall, the presence of Aminoethyltriethoxysilane in various industrial formulations enhances the performance and durability of materials and products, providing manufacturers with the ability to produce stronger, more resistant, and longer-lasting goods.
Whether used as an adhesion promoter, surface modifier, or coupling agent, Aminoethyltriethoxysilane's wide array of applications makes it indispensable in the creation of high-quality, high-performance materials across multiple industries.
Aminoethyltriethoxysilane is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 to < 10 000 tonnes per annum.
Aminoethyltriethoxysilane is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Market Overview of Aminoethyltriethoxysilane:
The market for Aminoethyltriethoxysilane (3-aminopropyltriethoxysilane) is closely tied to the growing demand for high-performance materials across a wide range of industries, including adhesives, coatings, automotive, electronics, construction, and rubber manufacturing.
As an essential coupling agent and adhesion promoter, Aminoethyltriethoxysilane plays a critical role in improving the performance and durability of products in these sectors, driving its demand.
In the adhesives and sealants industry, Aminoethyltriethoxysilane is used extensively to enhance the bonding strength between inorganic and organic materials, making it indispensable in applications ranging from construction and automotive to aerospace and electronics.
The global rise in infrastructure development, construction projects, and the increasing demand for automotive components has significantly contributed to the demand for high-quality adhesives and sealants, where Aminoethyltriethoxysilane is a key ingredient.
In the automotive and electronics sectors, Aminoethyltriethoxysilane is used for its excellent adhesion properties in paints, coatings, and composites.
The automotive industry’s growing need for lightweight, durable materials for parts such as bumpers, panels, and windows, combined with increasing demand for advanced coatings and electronics, further fuels the market growth for this silane compound.
Additionally, the electronics industry benefits from Aminoethyltriethoxysilane’s ability to improve bonding in components such as printed circuit boards (PCBs) and semiconductors, driving its demand as well.
The rubber and elastomer industry also represents a significant portion of the Aminoethyltriethoxysilane market.
Aminoethyltriethoxysilane's use in improving the adhesion between rubber compounds and reinforcing agents, such as carbon black and silica, enhances the overall performance of rubber products, which are in high demand in industries like tire manufacturing, gaskets, and seals.
With the increasing demand for durable, high-performance rubber products in automotive and industrial applications, Aminoethyltriethoxysilane remains a crucial ingredient.
As industries across the globe seek to create more durable, efficient, and high-performance materials, Aminoethyltriethoxysilane continues to experience strong market growth.
The increasing focus on sustainability, coupled with the demand for advanced, long-lasting products, further supports the expansion of its use in numerous applications.
Additionally, the compound’s growing role in the formulation of environmentally friendly products, such as low-emission coatings and adhesives, reflects broader market trends toward sustainability and eco-conscious manufacturing practices.
Overall, the market for Aminoethyltriethoxysilane is expected to continue its upward trajectory, driven by advancements in manufacturing technology, increased demand for high-performance materials, and the compound's versatility across diverse industries.
Uses of Aminoethyltriethoxysilane:
Aminoethyltriethoxysilane is a versatile chemical compound widely used in various industries for its excellent properties as a coupling agent, adhesion promoter, and surface modifier.
Aminoethyltriethoxysilane is primarily utilized in adhesives and sealants to enhance the bonding strength between inorganic materials like metal, glass, and ceramics and organic materials such as plastics, rubbers, and resins.
Aminoethyltriethoxysilane's unique ability to improve adhesion makes it essential in composite materials, where it helps strengthen the bond between inorganic fillers like glass fibers and organic resins, leading to enhanced mechanical properties.
In coatings, Aminoethyltriethoxysilane not only promotes better adhesion but also improves scratch resistance, chemical resistance, and UV stability, making it ideal for use in automotive, construction, and electronics sectors.
Additionally, Aminoethyltriethoxysilane is used in rubber and elastomer formulations to enhance adhesion to reinforcing agents like carbon black and silica, improving the overall durability and physical properties of rubber products.
With applications spanning from electronics to automotive manufacturing, Aminoethyltriethoxysilane is a key ingredient for creating strong, durable materials that perform well in demanding conditions.
Aminoethyltriethoxysilane, a primary amino silane, is a candidate for use as an adhesion promoter in silane modified urethane (SPUR+* prepolymer), filled silicone, epoxy and 2 part urethane adhesives and sealants.
Aminoethyltriethoxysilane may be particularly useful in applications in which adhesion to plastic is sought.
Aminoethyltriethoxysilane is used paints, coatings, adhesives, inks, plastics, elastomers, fillers, resins, rubber
Aminoethyltriethoxysilane is used Industrial coating, Silicone Rubber, Adhesive, Sealant, Special coating, Ink, Plastic, Composite material
Aminoethyltriethoxysilane is used Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Electronics Chemicals
Aminoethyltriethoxysilane is an excellent adhesion improver used in polyamide, epoxy, nitrile, phenol aldehyde adhesive and sealed material to improve the dispersion of pigment and the adhesion to glass, aluminum, iron, also applicable for latex coating such as polyamide, epoxy and acrylic acid type.
Aminoethyltriethoxysilane can be used to produce amino silicone oil and latex.
Aminoethyltriethoxysilane coupling agent, gamma- Aminopropyltriethoxysilane, a versatile amino-functional coupling agent may be an excellent candidate for use in a range of broad applications to provide superior bonding between inorganic substrates and organic polymers.
Aminoethyltriethoxysilane is an excellent adhesion promoter to consider for use in many coating, adhesive, and sealant systems.
With polysulfide, urethane, RTV silicones, epoxy, nitrile, and phenolic adhesives and sealants, Aminoethyltriethoxysilane can improve pigment dispersion and adhesion to glass, aluminum, steel and various other substrates.
Aminoethyltriethoxysilane is used in glass fiber.
Aminoethyltriethoxysilane acts as a coupling agent and adhesion promoter.
Aminoethyltriethoxysilane is a versatile amino-functional silane coupling agent used over a broad range of applications.
Aminoethyltriethoxysilane provides superior bonds between inorganic substrates and organic polymers.
Aminoethyltriethoxysilane enhances the flexural, compressive, and interlaminar shear strengths before and after exposure to humidity.
Aminoethyltriethoxysilane greatly improves wet electrical properties.
As a phenolic resin binder additive, Aminoethyltriethoxysilane imparts moisture resistance and allows recovery after compression.
Aminoethyltriethoxysilane is compatible with thermoplastics, polyamides, polyesters, polycarbonates, epoxies, polybutylene terephthalate, and thermoset.
Aminoethyltriethoxysilane acts as a very good adhesion promoter in acrylic coatings.
Aminoethyltriethoxysilane is a versatile amino-functional coupling agent used over a broad range of applications.
Aminoethyltriethoxysilane provides superior bonds between inorganic substrates and organic polymers.
Aminoethyltriethoxysilane offers durability and gloss.
A primary amino silane, Aminoethyltriethoxysilane is an excellent candidate for use as an adhesion promoter in silane-modified urethanes (such as SPUR + * prepolymer), filled silicone, epoxy and sealants.
Aminoethyltriethoxysilane has also been utilized as an adhesion promoter in two-part urethane system, demonstrating an excellent bond to glass, metal and many difficult plastics, such as PVC, polystyrene and nylon.
Aminoethyltriethoxysilane has also been utilized on the polyol side of a two-part urethane adhesive or sealant to enhance wet adhesion.
In one-part systems, Aminoethyltriethoxysilane can also be considered as an endcapper in polyurethane resins, enabling an isocyanate-free moisture cure crosslinking mechanism.
Having features such as its amino functionality, Aminoethyltriethoxysilane can provide multiple benefits.
Not only has Aminoethyltriethoxysilane demonstrated fast amino reactivity with isocyanate functional polymers, but also with epoxies, phenolics and acrylics, among others, and catalyzes silane reactivity.
With Aminoethyltriethoxysilane's trimethoxy silane functionality, Aminoethyltriethoxysilane can bond well to inorganic-containing substrates to provide excellent wet and dry adhesion and fast cure rates.
Displaying soluble properties across a wide range of organic solvents, Aminoethyltriethoxysilane can form a water-soluble blend of silane triol when dissolved in water.
Aminoethyltriethoxysilane also can be considered in two-part epoxy-based systems to enhance wet adhesion, where its primary amino functionality may can act as a hardening agent.
Aminoethyltriethoxysilane has a wide range of applications across various industries due to its unique properties as a coupling agent, adhesion promoter, and surface modifier.
Here are some of Aminoethyltriethoxysilane's primary uses:
Adhesives and Sealants:
Bonding Agent:
Aminoethyltriethoxysilane is used in adhesives to enhance the bond strength between inorganic materials (like metals, glass, and ceramics) and organic polymers (such as plastics, rubbers, and resins).
Sealants:
Improves the adhesion of sealants to a variety of substrates, ensuring better performance and resistance to environmental factors like moisture, temperature changes, and chemical exposure.
Coatings and Paints:
Adhesion Promoter:
In coatings, Aminoethyltriethoxysilane enhances the adhesion of the coating to different surfaces such as metals, glass, and plastics, ensuring durability and long-lasting performance.
Surface Modifier:
Improves the scratch resistance, chemical resistance, and UV stability of coatings, making them more durable under harsh environmental conditions.
Anti-Corrosion:
Aminoethyltriethoxysilane is also used to improve the anti-corrosive properties of metal coatings, reducing oxidation and prolonging the life of coated materials.
Composite Materials:
Improves Bonding in Composites:
In composite materials, Aminoethyltriethoxysilane acts as a coupling agent, improving the bonding between inorganic fillers (like glass fibers and silica) and organic resins or matrices, which enhances the mechanical properties of the final product, such as strength, durability, and impact resistance.
Rubber and Elastomers:
Surface Modifier:
Aminoethyltriethoxysilane is used in rubber compounds to improve the adhesion of the rubber to reinforcing agents (like carbon black and silica), increasing the overall physical properties of the rubber, such as elasticity, tensile strength, and resistance to heat.
Tire Manufacturing:
Aminoethyltriethoxysilane is used in the production of tires, where it improves the bonding of rubber to metal components and enhances the performance of the rubber.
Electronics:
Surface Treatment for Electronics:
Aminoethyltriethoxysilane is used to treat the surfaces of materials like metals and polymers in electronic components, including printed circuit boards (PCBs), semiconductors, and other electronic devices, improving the adhesion between layers and the overall reliability of the components.
Automotive Industry:
Automotive Adhesives:
Aminoethyltriethoxysilane is used in automotive applications to promote stronger bonds between parts made of metal, plastic, and glass, such as in the assembly of body panels, windshields, and bumpers.
Paints and Coatings:
In automotive coatings, Aminoethyltriethoxysilane enhances adhesion, reduces the impact of UV radiation, and provides increased resistance to scratches, corrosion, and other environmental factors.
Glass and Ceramics:
Surface Modifier for Glass and Ceramics:
Aminoethyltriethoxysilane is used in glass-to-metal bonding applications and to improve the adhesion between glass, ceramics, and resins or other materials, making it useful in industries like construction, electronics, and glass coating.
Textile Industry:
Textile Coatings:
In textile applications, Aminoethyltriethoxysilane improves the bonding of coatings or finishes applied to fabrics, increasing durability, resistance to wear, and improving surface properties like water repellency.
Other Uses:
In Pharmaceutical and Medical Devices:
Aminoethyltriethoxysilane is sometimes used as a coupling agent in the formulation of materials for medical devices, where strong adhesion between different surfaces is crucial for product stability and performance.
Paints for Wood and Other Surfaces:
Enhances the adhesion of paints and coatings applied to wood and other porous surfaces, providing greater durability and surface protection.
Consumer Uses:
Aminoethyltriethoxysilane is used in the following products: adhesives and sealants and coating products.
Other release to the environment of Aminoethyltriethoxysilane is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Widespread uses by professional workers:
Aminoethyltriethoxysilane is used in the following products: adhesives and sealants, coating products and laboratory chemicals.
Aminoethyltriethoxysilane is used in the following areas: building & construction work and formulation of mixtures and/or re-packaging.
Aminoethyltriethoxysilane is used for the manufacture of: machinery and vehicles, furniture, plastic products, mineral products (e.g. plasters, cement), wood and wood products, fabricated metal products, electrical, electronic and optical equipment, textile, leather or fur and pulp, paper and paper products.
Release to the environment of Aminoethyltriethoxysilane can occur from industrial use: formulation of mixtures.
Other release to the environment of Aminoethyltriethoxysilane is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Uses at industrial sites:
Aminoethyltriethoxysilane is used in the following products: oil and gas exploration or production products, coating products, non-metal-surface treatment products, adhesives and sealants and laboratory chemicals.
Aminoethyltriethoxysilane has an industrial use resulting in manufacture of another substance (use of intermediates).
Aminoethyltriethoxysilane is used in the following areas: mining and building & construction work.
Aminoethyltriethoxysilane is used for the manufacture of: chemicals, mineral products (e.g. plasters, cement), machinery and vehicles and plastic products.
Release to the environment of Aminoethyltriethoxysilane can occur from industrial use: in the production of articles, as an intermediate step in further manufacturing of another substance (use of intermediates), for thermoplastic manufacture, as processing aid, as processing aid, of substances in closed systems with minimal release, formulation of mixtures and in processing aids at industrial sites.
Benefits of Aminoethyltriethoxysilane:
Aminoethyltriethoxysilane enhances the durability and adhesion of coatings, adhesives, and sealants.
Aminoethyltriethoxysilane improves the dispersion of fillers in polymers and composites.
Aminoethyltriethoxysilane provides corrosion protection by creating strong, moisture-resistant bonds.
Aminoethyltriethoxysilane increases mechanical strength and flexibility in various materials.
Aminoethyltriethoxysilane is compatible with a wide range of resins and polymer systems.
Properties of Aminoethyltriethoxysilane:
Hydrolytic Reactivity:
Aminoethyltriethoxysilane reacts with moisture to form silanol groups, which bond to surfaces.
Versatile Functionality:
Aminoethyltriethoxysilane contains amino and ethoxy groups, making it multifunctional.
Improved Mechanical Properties:
Aminoethyltriethoxysilane enhances the strength, elasticity, and durability of composites.
Heat Resistance:
Aminoethyltriethoxysilane provides thermal stability in cured systems.
Low Volatility:
Aminoethyltriethoxysilane ensures long-term performance in formulations.
Chemical Structure of Aminoethyltriethoxysilane:
The silicon-containing portion of Aminoethyltriethoxysilane can help provide a covalent bond to many inorganic media.
The primary amine function of Aminoethyltriethoxysilane reacts with a wide array of thermoset, thermoplastic, and elastomeric materials.
Aminoethyltriethoxysilane is a silane coupling agent.
Production of Aminoethyltriethoxysilane:
The production of Aminoethyltriethoxysilane involves several key steps, starting with the selection of raw materials.
The primary components are 3-aminopropylamine and triethoxysilane, which undergo a reaction to produce the desired product.
This process begins with the combination of 3-aminopropylamine and triethoxysilane, which leads to the formation of Aminoethyltriethoxysilane, the key compound.
During this reaction, triethoxysilane undergoes hydrolysis, reacting with water to form silanol groups (Si-OH).
These silanol groups then bond with the amino group from the 3-aminopropylamine, forming the silane structure that is the focus of the production process.
As the reaction progresses, ethanol is released as a byproduct, which is removed by distillation or evaporation to ensure Aminoethyltriethoxysilane’s purity.
After the main reaction, the mixture undergoes purification processes to isolate the final product.
This purification typically includes washing and filtration steps, followed by additional distillation if needed to remove any remaining solvents, byproducts, or impurities.
Once purified, Aminoethyltriethoxysilane is carefully dried to eliminate excess moisture, ensuring it meets the desired moisture content specifications.
The final step in the production of Aminoethyltriethoxysilane is packaging.
Aminoethyltriethoxysilane is placed in sealed containers, such as drums or bottles, to prevent contamination and maintain stability during storage.
Throughout the production process, rigorous quality control measures are implemented, including tests for purity, silicon content, viscosity, and pH to ensure consistency and reliability of Aminoethyltriethoxysilane.
Additionally, any waste byproducts, such as ethanol, are managed according to environmental regulations, and measures are taken to minimize emissions of volatile organic compounds (VOCs).
The entire process is carried out on an industrial scale, enabling the mass production of Aminoethyltriethoxysilane for use in a wide range of applications, particularly in industries such as adhesives, coatings, and composites.
History of Aminoethyltriethoxysilane:
Aminoethyltriethoxysilane, like many organosilane compounds, was developed as part of the broader field of silane chemistry, which began to evolve in the early 20th century.
Silanes, compounds that contain silicon-carbon bonds, became of particular interest in industrial applications due to their unique ability to bond organic materials with inorganic substrates, making them highly useful in adhesives, coatings, and surface treatments.
The development of Aminoethyltriethoxysilane specifically was driven by the need for more effective coupling agents that could enhance the bonding between organic polymers and inorganic materials such as glass, metals, and ceramics.
The introduction of amino-functional silanes, such as Aminoethyltriethoxysilane, provided an ideal solution by introducing an amino group (-NH2) that could react with both organic and inorganic surfaces, improving adhesion and surface compatibility.
By the mid-20th century, silane compounds began to be recognized for their importance in various industrial processes, especially in the rubber, automotive, and construction industries.
The discovery and subsequent commercialization of Aminoethyltriethoxysilane by Momentive Performance Materials (formerly part of GE Silicones) marked a significant advancement in the development of silane-based coupling agents.
Aminoethyltriethoxysilane gained widespread usage for its ability to improve the performance and longevity of materials by enhancing adhesion and durability.
Over time, Aminoethyltriethoxysilane has become a key component in industries such as automotive manufacturing, electronics, and construction, where its unique properties are used to improve the bonding of materials, surface treatments, and coatings.
Today, Aminoethyltriethoxysilane continues to be a vital part of many industrial formulations, contributing to innovations in materials science and product development across a broad range of sectors.
Handling and Storage of Aminoethyltriethoxysilane:
Handling:
Handle with care to avoid skin and eye contact.
Use proper handling techniques to avoid spills and exposure to vapors.
Always ensure good ventilation in the working area.
Avoid breathing vapors and direct contact with Aminoethyltriethoxysilane.
Avoid open flames or sources of heat while handling as Aminoethyltriethoxysilane can react with water and release ethanol.
Storage:
Store in a cool, dry, well-ventilated area away from heat, flame, or any incompatible materials such as strong acids or bases.
Store in tightly sealed containers to prevent contamination.
Ensure containers are clearly labeled and stored away from food or feed.
Stability and Reactivity of Aminoethyltriethoxysilane:
Stability:
Aminoethyltriethoxysilane is generally stable under normal conditions of storage and handling.
However, Aminoethyltriethoxysilane is sensitive to moisture and reacts with water to form silanol and release ethanol.
Keep container tightly closed and avoid exposing Aminoethyltriethoxysilane to moisture to prevent hydrolysis.
Reactivity:
Reacts with water or moisture to release ethanol and silanol groups (Si-OH), which can affect product performance if exposed to excessive moisture.
Can be incompatible with strong acids, bases, and oxidizing agents.
First Aid Measures of Aminoethyltriethoxysilane:
Inhalation:
Move to fresh air immediately.
If symptoms persist, seek medical attention.
Provide artificial respiration if necessary.
Skin Contact:
Wash affected area with soap and water.
If irritation occurs, seek medical advice.
Eye Contact:
Rinse immediately with plenty of water for at least 15 minutes.
Remove contact lenses if present.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
If swallowed, seek immediate medical attention.
Do not induce vomiting unless instructed by a medical professional.
Fire Fighting Measures of Aminoethyltriethoxysilane:
Suitable Extinguishing Media:
Use foam, dry chemical powder, carbon dioxide (CO2), or water spray to extinguish the fire.
Specific Hazards:
In case of fire, hazardous combustion products may include carbon oxides and silicates.
Aminoethyltriethoxysilane may release toxic fumes in high-temperature situations.
Protective Equipment:
Firefighters should wear self-contained breathing apparatus (SCBA) and full protective clothing to avoid exposure to smoke, vapors, and hazardous fumes.
Accidental Release Measures of Aminoethyltriethoxysilane:
Personal Precautions:
Evacuate all non-essential personnel from the area.
Wear appropriate protective equipment, including gloves, goggles, and respiratory protection, as necessary.
Environmental Precautions:
Prevent the material from entering water sources, drains, or soil.
If spillage occurs in a controlled area, contain and recover the spilled material immediately.
Methods for Containment and Cleaning:
Absorb small spills with an inert material like sand or earth.
Collect and place spilled material into suitable containers for disposal.
Ensure proper ventilation during cleanup.
Exposure Controls / Personal Protective Measures of Aminoethyltriethoxysilane:
Occupational Exposure Limits:
Ensure that exposure limits, if available, are adhered to in the workplace.
Regular monitoring of exposure levels is recommended to ensure safety.
Engineering Controls:
Use local exhaust ventilation to reduce vapor concentration and avoid inhalation of fumes or vapors.
Personal Protective Equipment (PPE):
Skin Protection:
Wear protective gloves and clothing to avoid skin contact.
Eye Protection:
Use safety goggles or face shields when handling the material to protect against eye exposure.
Respiratory Protection:
In situations where ventilation is insufficient, wear a suitable respiratory protection device (e.g., an N95 or P100 respirator).
Hygiene:
Wash hands thoroughly after handling Aminoethyltriethoxysilane and before eating, drinking, or smoking.
Ensure the work area is regularly cleaned to minimize any residues.
Identifiers of Aminoethyltriethoxysilane:
CAS Number: 919-30-2
EINECS Number: 213-048-4
Molecular Formula: C9H21NO3Si
IUPAC Name: (3-Aminopropyl)triethoxysilane
Molecular Weight: 221.36 g/mol
UN Number: UN 1760 (for shipping and transport purposes)
HS Code: 2931.00 (used for international trade classification)
SMILES Notation: CC(=O)OCC(CO)Si(C)
Properties of Aminoethyltriethoxysilane:
Physical Form: Liquid
Color: Clear, colorless
Specific Gravity at 25/25°C: 0.9500
Boiling Point at 760 mm Hg, °C (°F): 220 (428)
Refractive Index, nD 25°C: 1.420
Flash Point, Pensky-Martens Closed Cup(1), °C (°F): 96 (205)
Chemical Name: Gamma-Aminopropyltriethoxysilane
Appearance: Clear to pale yellow liquid.
Molecular Formula: C9H23NO3Si
Molecular Weight: 221.38 g/mol
Boiling Point: 217°C (423°F) at atmospheric pressure.
Flash Point: >93°C (199°F) (closed cup).
Density: Approximately 0.946 g/cm³ at 25°C.
Solubility: Soluble in alcohols, ketones, and hydrocarbons;
hydrolyzes in water to form silanol groups.
Refractive Index: 1.420–1.430 at 25°C.
Vapor Pressure: <0.1 mmHg at 20°C.
Molecular Formula: C9H23NO3Si
Molecular Weight: 221.37
Melting Point: <-70 °C
Boiling Point: 220 °C
Flash Point: 205 °F / 96 °C (pmcc)
Appearance: Colorless Transparent Liquid
Purity: ≥98%, ≥99%, ≥99.5%
Density(ρ20), g/cm3: 0.9350.955
Molecular Weight: 221.34
Refractive Index (n25D): 1.41351.4235
Color: Colorless
Similar to: Aminoethyltriethoxysilane Silane
Chemical Name: Y-Aminopropyl Triethoxysilane
Purity: 98% Min
Specification: Silane Coupling Agent 550
HS Code: 2931000090
Melting Point: -70°C (approximately)
Boiling Point: 219°C
Flash Point: 106°C
Solubility: Soluble in water and most organic solvents, such as alcohols, acetone, and toluene
Density: 0.96 g/cm³ at 20°C
Speicifications of Aminoethyltriethoxysilane:
Minimum Purity: ≥ 98% (Typical)
Content of Active Ingredient: ≥ 97% (Typical)
Water Content: ≤ 2% (Typical)
Silicon Content: 10.5–11.0% (Typical)
Names of Aminoethyltriethoxysilane:
Regulatory process names:
(3-Aminopropyl)triethoxysilane
(gamma-Aminopropyl)triethoxysilane
1-Propanamine, 3-(triethoxysilyl)-
3-(Triethoxysilyl)-1-propanamine
3-(Triethoxysilyl)propylamine
3-aminopropyltriethoxysilane
3-aminopropyltriethoxysilane
AGM-9
Amino-propyl-triethoxysilane
APTES
Nuca 1100
Propylamine, 3-(triethoxysilyl)-
Propylamine, 3-(triethoxysilyl)- (8CI)
Silane 1100
Silane amg-9
Silane, (3-aminopropyl)triethoxy-
Silane, gamma-aminopropyltriethoxy-
Silicone A-1100
Triethoxy(3-aminopropyl)silane
Uc-A 1100
Translated names:
(3-aminopropyl)tri(etoxy)silán (sk)
(3-aminopropylo)trietoksysilan (pl)
3-aminopropiltrietoksisilan (hr)
3-aminopropiltrietoksisilan (sl)
3-aminopropiltrietoksisilanas (lt)
3-aminopropiltrietoksisilāns (lv)
3-aminopropiltrietoxisilan (ro)
3-aminopropiltrietoxisilano (es)
3-aminopropiltrietoxiszilán (hu)
3-aminopropiltrietóxissilano (pt)
3-aminopropyltriethoxysilaan (nl)
3-aminopropyltriethoxysilan (cs)
3-aminopropyltriethoxysilan (da)
3-Aminopropyltriethoxysilan (de)
3-aminopropyltrietoksysilan (no)
3-aminopropyltrietoxisilan (sv)
3-aminopropyltriéthoxysilane (fr)
3-Aminopropyylitrietoksisilaani (fi)
3-aminopropüültrietoksüsilaan (et)
3-amminopropiltrietossisilano 3-(trietossisilil)-1-propanamina (it)
3-αμινοπροπυλοτριαιθοξυσιλάνιο (el)
3-аминопропилтриетоксисилан (bg)
IUPAC names:
(3-aminopropyl)triethoxysilane
1-Propanamine, 3-(triethoxysilyl)-
1-Propylamine, 3-(triethoxysilyl)-
3-(Triethoxysilyl) propylamine
3-(Triethoxysilyl)-1-propanamine
3-(Triethoxysilyl)-propylamin
3-(Triethoxysilyl)propan-1-amine
3-(triethoxysilyl)propan-1-amine
3-(triethoxysilyl)propan-1-amine, partialy polymerized
3-aminopropyl(triethoxy)silane
3-aminopropyl-triethoxysilane
3-Aminopropyltriethoxysilan
3-AMINOPROPYLTRIETHOXYSILANE
3-Aminopropyltriethoxysilane
3-aminopropyltriethoxysilane
3-aminopropyltriethoxysilane
3-Triethoxysilylpropan-1-amine
3-triethoxysilylpropan-1-amine
3-Triethoxysilylpropylamine
aminopropylalkoxysilane
Aminopropyltriethoxysilane
Aminopropyltriethoxysilane
aminopropyltriethoxysilane
aminosilane
APTES, APTS
Damsil 1350
gamma-Aminopropyltriethoxy silane
gamma-Aminopropyltriethoxysilane
silane
triethoxysilylpropan-1-amine
Trade names:
(3-Aminopropyl)triethoxysilane
3-Aminopropyltriethoxysilane
APTES
BRB Silanil 919
CG-550
coupling agent
DOW CORNING(R) Z-6011
DOW CORNING(R) Z-6011 SILANE
Dynasylan(R) AMEO
Dynasylan(R) AMEO T
JH-A110
KH-550
Organosilane A302
SG-Si1100
Aminoethyltriethoxysilane SILANE
SILQUEST A-1102 SILANE
XIAMETER(R) OFS-6011
Other name:
aminopropyltriethoxysilane
Other identifiers:
1020103-34-7
1044532-60-6
106096-79-1
12738-50-0
130730-84-6
131641-77-5
1392103-81-9
143178-71-6
159778-17-3
1686133-96-9
204987-58-6
449753-82-6
479401-05-3
60000-97-7
607502-71-6
612-108-00-0
71618-18-3
86836-28-4
875121-65-6
88527-61-1
919-30-2
