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Product Description of N-[3-(Trimethoxysilyl)propyl]ethylenediamine CAS#1760-24-3
N-[3-(Trimethoxysilyl)propyl]ethylenediamine, also known as N-(2-aminoethyl)-3-aminopropyltrimethoxysilane, is a multifunctional amino silane coupling agent widely used in polymer modification and composite material manufacturing.
The molecule contains both organic amino functional groups and inorganic silane groups, allowing it to form strong chemical interactions between organic polymers and inorganic substrates. This unique structure enables improved adhesion, compatibility, and reinforcement effects in composite materials.
The product is commonly applied as a glass fiber surface treatment agent, silicone rubber and silicone resin crosslinking agent, textile finishing additive, and raw material for amino-modified silicone oils.
Due to its excellent coupling efficiency, chemical reactivity, and broad compatibility, N-[3-(Trimethoxysilyl)propyl]ethylenediamine is an important functional additive in adhesives, coatings, composites, rubber, textiles, and advanced polymer materials.
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N-[3-(Trimethoxysilyl)propyl]ethylenediamine Chemical Properties
| Melting point | 0°C |
| Boiling point | 146 °C15 mm Hg(lit.) |
| Density | 1.028 g/mL at 25 °C(lit.) |
| Vapor pressure | 1.5 hPa (20 °C) |
| Refractive index | n20/D 1.444(lit.) |
| Fp | 220 °F |
| Storage temp. | Store below +30°C. |
| Solubility | Miscible with toluene. |
| Form | Liquid |
| Pka | 10.11±0.19(Predicted) |
| Color | Clear colorless to light yellow |
| Specific Gravity | 1.01 |
| PH | 10 (10g/l, H2O, 20℃) |
| Water Solubility | REACTS |
| Sensitive | Air & Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 636230 |
| InChIKey | PHQOGHDTIVQXHL-UHFFFAOYSA-N |
| LogP | -4--0.82 at 20℃ |
| CAS DataBase Reference | 1760-24-3(CAS DataBase Reference) |
| NIST Chemistry Reference | N-(2-Aminoethyl-3-aminopropyl)trimethoxysilane(1760-24-3) |
| EPA Substance Registry System | 1,2-Ethanediamine, N1-[3-(trimethoxysilyl)propyl]- (1760-24-3) |
Safety Information
| Hazard Codes | Xn,Xi |
| Risk Statements | 38-41-43-52/53-42/43-37/38 |
| Safety Statements | 26-39-61-37/39-24-36/37/39-23 |
| RIDADR | UN 3267 8/PG 2 |
| WGK Germany | 3 |
| RTECS | KV7400000 |
| F | 1月10日 |
| Autoignition Temperature | 300 °C |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29310095 |
| Toxicity | LD50 orally in Rabbit: 2413 mg/kg LD50 dermal Rat > 2000 mg/kg |
Product Application of N-[3-(Trimethoxysilyl)propyl]ethylenediamine CAS#1760-24-3
N-[3-(Trimethoxysilyl)propyl]ethylenediamine is a multifunctional silane coupling agent mainly used to improve the bonding performance between organic polymers and inorganic materials. By forming strong chemical interactions at the interface, it enhances the mechanical strength, adhesion, moisture resistance, electrical properties, and aging resistance of composite materials.
It is widely applied in the modification of various polymer systems, including epoxy resins, phenolic resins, polyurethane, melamine resins, nitrile phenolic resins, polystyrene, polyvinyl chloride, polyamide, polysulfide rubber, and polyurethane rubber. It helps improve compatibility between different material phases and enhances the overall performance of polymer-based products.
This silane coupling agent is also commonly used in resin laminates and composite materials, especially those based on epoxy, phenolic, melamine, and furan resins. It can further improve the properties of materials such as polypropylene, polyethylene, polyacrylates, silicone materials, polyamides, polycarbonates, and other engineering polymers.
In addition, N-[3-(Trimethoxysilyl)propyl]ethylenediamine serves as an effective surface treatment agent for glass fibers and inorganic fillers. It is suitable for treating materials such as glass beads, precipitated silica, talc, mica, clay, and fly ash, and is widely used in industries including rubber, plastics, glass fiber composites, coatings, adhesives, and sealants.
With its excellent coupling ability, compatibility improvement, and reinforcement effects, this product is an important additive for enhancing the performance and durability of advanced composite materials.
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