3-(Trimethoxysilyl)-1-propanamine
- CAS No.13822-56-5
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity silane coupling agent designed for superior adhesion in RTV silicones and hybrid sealants. Ideal for difficult substrates like PVC and ABS.
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Product Overview
3-(Trimethoxysilyl)-1-propanamine, commonly known as 3-Aminopropyltrimethoxysilane, is a high-performance organosilicon compound widely recognized for its exceptional adhesion promoting capabilities. As a bifunctional molecule, it possesses both organic amine functionality and hydrolyzable methoxy groups, allowing it to act as a molecular bridge between inorganic substrates and organic polymers. This unique chemical structure makes it an indispensable component in the formulation of advanced sealants, adhesives, and coating systems.
Our manufacturing process ensures rigorous quality control, delivering a product with consistent purity and reliability. The compound is supplied as a colorless transparent liquid, facilitating easy integration into various industrial mixing processes. Whether used in room temperature vulcanizing (RTV) silicones or complex hybrid polymer systems, this silane coupling agent significantly enhances mechanical properties and durability.
Key Features and Benefits
- Superior adhesion promotion on difficult substrates including ABS, PVC, and polystyrene.
- Enhances cross-linking density in polymer matrices for improved mechanical strength.
- Excellent stability under standard storage conditions when properly sealed.
- Compatible with a wide range of resin systems including epoxies, polyurethanes, and silicones.
- Reduces moisture sensitivity in final cured products.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Colorless transparent liquid |
| CAS Number | 13822-56-5 |
| Molecular Formula | C6H17NO3Si |
| Molecular Weight | 179.29 g/mol |
| Purity (GC) | ≥98.0% |
| Density (d420) | 1.010-1.030 g/cm3 |
| Refractive Index (n25/D) | 1.415-1.435 |
| Boiling Point | 210°C |
| Flash Point | 82°C |
Industrial Applications
This silane coupling agent is primarily utilized as an adhesion promoter in RTV silicones and other hybrid sealant formulations. It is particularly effective in primer systems designed for polyurethane and hybrid sealants, ensuring long-term bonding integrity even under harsh environmental conditions. The amino functionality allows for chemical bonding with organic polymers, while the silanol groups formed upon hydrolysis bond strongly to glass, metals, and minerals.
In the plastics industry, it serves as a critical additive for improving the interface between fillers and polymer matrices. This results in enhanced tensile strength and impact resistance in composite materials. Additionally, it is frequently employed in surface treatment applications to modify substrate energy and improve wettability for subsequent coating layers.
Storage and Handling
To maintain optimal quality, 3-(Trimethoxysilyl)-1-propanamine should be stored in a cool, ventilated place away from direct sunlight and moisture sources. Containers must be kept tightly sealed when not in use to prevent hydrolysis due to atmospheric humidity. Standard industrial safety protocols should be followed during handling, including the use of appropriate personal protective equipment. We offer flexible packing options, including 210 L drums, and can accommodate specific customer requirements for bulk logistics.
