3-Aminopropyltriethoxysilane CAS 919-30-2
Top 3-Aminopropyltriethoxysilane CAS 919-30-2
- Appearance:Liquid
- Purity:99.8%
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Name: 3-Aminopropyltriethoxysilane
CAS: 919-30-2
MOQ: 1KG
Directory Guidance on 3-Aminopropyltriethoxysilane
Chemical Structure
Basic Info:
| Melting point | -70 °C |
| Boiling point | 217 °C(lit.) |
| density | 0.946 g/mL at 25 °C(lit.) |
| vapor pressure | 0-7910Pa at 25℃ |
| refractive index | n20/D 1.422 |
| Fp | 205 °F |
| storage temp. | room temp |
Product Introduction:
3-Aminopropyltriethoxysilane (APTES for short) is an inexpensive chemical reagent widely utilized for surface modification and coating with silicon materials, possessing multiple functional groups. It’s typically seen as a colorless transparent liquid with a slight ammonia scent; composed largely of amino, propyl chain and triethoxysilyl compounds; its molecular structure makes it highly reactive for these tasks as it reacts very easily with organic substances found within silicon materials.
3-Aminopropyltriethoxysilane is insoluble in water but dissolves readily in organic solvents such as alcohols, ketones and ethers. Its amino group (-NH2) exhibits strong nucleophilicity to interact with silicon surfaces to form stable silicon-nitrogen bonds; through these reactions it has proven particularly useful for improving surface characteristics like hydrophilicity or hydrophobicity of materials in order to enhance specific characteristics that enhance performance e.g. hydrophobicity or other specific properties of materials.
3-Aminopropyltriethoxysilane has proven its worth as an industrial coupling agent for silicon-based materials such as composite materials, coatings and adhesives. This chemical can enhance bonding between inorganic materials and organic polymers while strengthening mechanical strength and stability for improved materials.
3-Aminopropyltriethoxysilane can also be found in biomedical applications, including drug delivery systems, cell culture and biosensors, where its reactive amino group allows it to bind effectively with biomolecules.
As with all chemical reagents, 3-Aminopropyltriethoxysilane should be handled carefully as an agent to be stored properly for safe usage and handling. As it can cause irritation of skin and eyes when used improperly, protective equipment must always be worn when handling this chemical reagent. Hydrolysis occurs upon contact with water which releases ethanol; for optimal storage conditions in dry and ventilated spaces to minimize hydrolysis reaction rates while keeping away from liquid contact or humidity sources.
Nature and Specifications:
| Item | Specification |
| Product Name | 3-Aminopropyltriethoxysilane |
| CAS No. | 919-30-2 |
| Appearance | Liquid |
| Shelf Life | 2 years |
| Packing | As your requirements |
| solubility | Miscible with toluene, acetone, chloroform and ethanol. |
| pka | 10.37±0.10(Predicted) |
| form | Liquid |
| color | APHA: ≤25 |
| Specific Gravity | 0.942 |
| PH | 11 (20g/l, H2O, 20℃) |
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- Certificate Of Analysis (COA)
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- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
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1- Surface Modification and Coupling Agent
One of the primary applications of 3-Aminopropyltriethoxysilane is as a surface modifier and coupling agent for silicon-based materials, where its amino group reacts with silicon surfaces via its amino group (-NH2) to form a silicon-nitrogen bond, creating an amino-modified layer on silicon surfaces which can alter hydrophilicity, hydrophobicity, lipophilicity or other properties; alternatively strengthening bonds between silicon surfaces and other materials (such as organic polymers, metals or ceramics etc).
3-Aminopropyltriethoxysilane is frequently employed during the production of electronics, semiconductors, optoelectronic devices, films and sensors to modify silicon surfaces to enhance performance and stability of products. Furthermore, it can also be used as a surface modification treatment reagent on glass, ceramics, metals and composite materials in order to enhance adhesion between these materials and other organic or inorganic substances.
2. Composite Materials and Adhesives
In the production of composite materials, 3-Aminopropyltriethoxysilane plays an integral part as a coupling agent. It helps improve interfacial adhesion between inorganic materials (glass fiber, carbon fiber) and organic matrixes such as polyester resin or epoxy resin matrices through enhanced interfacial adhesion between these layers; through formation of silicon-nitrogen bonds it enhances mechanical properties of composites such as strength, toughness and impact resistance properties of composites.
3-Aminopropyltriethoxysilane can significantly enhance adhesives by strengthening bonding effects and durability by strengthening adhesion between adhesives and substrates. This application of 3-APTES to silicone adhesives has become particularly prevalent across automotive, construction, electronics and other industries to increase long-term stability and weather resistance of products.
3. Coatings and films
3-Aminopropyltriethoxysilane has become increasingly important in coatings and film technology. It can serve as a reinforcing agent in silicone-based coatings to increase wear resistance, corrosion resistance and UV resistance while simultaneously improving adhesion between substrates and coatings, helping prevent falling off or peeling off.
3-Aminopropyltriethoxysilane is widely utilized in film technology to produce functional films for sensors, optoelectronic devices, microelectronic devices and other fields. Through amino groups these films can react with other molecules or substances; have self-assembling ability or specific functional properties like antibacterial and antifouling features and more.
4. Biomedical Applications
In biomedicine, 3-Aminopropyltriethoxysilane is widely utilized to create and immobilize biomaterials due to its amino groups reacting with biomolecules such as proteins and nucleic acids. For instance, its amino groups can interact with biosensors in order to immobilize recognition molecules to improve sensitivities and selectivities, and its modified materials are frequently employed in cell culture and tissue engineering for cell adhesion and growth.
5. Nanotechnology
Within nanotechnology, 3-Aminopropyltriethoxysilane plays an essential role as a coupling agent in preparing and surface modifying nanoparticles. By taking advantage of its amino group, these particles can be coupled with organic molecules or inorganic substances allowing for greater dispersibility, stability, biocompatibility and dispersion properties of their nanomaterials; their performance improves significantly in nanosensors, drug delivery systems and catalysis devices.
6. Water Treatment and Catalysis
3-Aminopropyltriethoxysilane has tremendous applications in water treatment and catalysis. Modified materials derived from APTES can interact with contaminants found in water such as organic matter or heavy metal ions to enhance purification efficiency, while catalysis uses it to produce organic catalysts with enhanced selectivity and efficiency that aid organic synthesis or environmental protection processes.
1. Excellent coupling performance
The main advantage of 3-aminopropyltriethoxysilane is its excellent coupling performance. The amino group of APTES has strong nucleophilicity and can react with the hydroxyl or silane group on the silicon surface to form a stable silicon-nitrogen bond, effectively connecting the silicon material with the organic molecule, while enhancing the interfacial bonding between the two.
3-aminopropyltriethoxysilane can react chemically with silicon-based materials (including silicon wafers, glass, ceramics), and can also be combined with materials such as metals, plastics, polymers, etc. It has a wide range of applications in many fields such as composite materials, coatings, adhesives, etc., and also has broad application prospects in the field of composite material manufacturing.
2. Good stability
3-aminopropyltriethoxysilane (APTES) is very stable under normal conditions, soluble in various solvents (including alcohols, ketones, ethers), and has little sensitivity to moisture, but excessive humidity must be avoided to avoid forming chemical bonds with the substrate surface through hydrolysis reactions; in order to achieve the best results, it must also be processed under dry conditions to avoid moisture interfering with the formation of chemical bonds.
3. Easy to operate
3-Aminopropyltriethoxysilane has very low volatility and can usually be easily and quickly applied to material modification through immersion, spraying or coating processes. In addition, the use of APTES does not involve complex chemical reactions or high temperature conditions, which greatly simplifies its use process.
4. Diverse applications
The wide application of 3-aminopropyltriethoxysilane makes it one of its greatest advantages: it is used in surface treatment and functionalization applications of silicon wafers and semiconductor materials to improve device performance and stability, improve adhesion/weathering resistance of coatings and adhesives, and expand adhesion on different substrates.
The application of 3-aminopropyltriethoxysilane in water treatment can improve its adsorption properties through its modified surface and remove harmful substances from water. In addition, 3-aminopropyltriethoxysilane can also be used in nanomaterial synthesis or surface modification processes to improve dispersibility, stability and functionality – an advantage that is particularly useful for nano drug delivery systems and sensors.
5. Low cost
Compared with other surface modifiers, 3-aminopropyltriethoxysilane is more cost-effective. Not only is the cost relatively low; due to its simple synthesis and application process, the production cost can also be reduced. In addition, since it helps to effectively improve the performance of materials and improve market competitiveness by using it.
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Related References:
chemicalbook-3-Aminopropyltriethoxysilane
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