Technical Formulation Guide for N-Ethyl-N-((Triethoxysilyl)Methyl)Ethanamine (CAS 15180-47-9)
- Accelerated Hydrolysis: Alpha silane structure ensures faster cure rates compared to traditional gamma silanes.
- Versatile Application: Functions effectively as a crosslinker for RTV rubber and an anchoring agent for resins.
- Supply Reliability: Access consistent industrial grade material with full COA documentation from a trusted source.
In the development of high-performance sealants and elastomers, selecting the correct functionality is critical for achieving desired cure profiles and adhesion properties. N-Ethyl-N-((Triethoxysilyl)Methyl)Ethanamine, commonly identified by CAS 15180-47-9, represents a specialized alpha amino silane. Unlike conventional gamma aminopropyl silanes, the nitrogen atom in this molecule is positioned directly adjacent to the silicon atom. This structural proximity significantly alters hydrolysis kinetics, making it a preferred choice for formulators seeking rapid crosslinking without compromising stability.
As a premier global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. supplies this high-purity intermediate to facilitate advanced material science applications. This formulation guide details the technical mechanisms, optimal dosing strategies, and handling protocols required to integrate this chemical into production lines effectively.
Crosslinking Mechanism in RTV Systems
The primary advantage of Diethylaminomethyltriethoxysilane lies in its unique alpha silane configuration. In standard amino silanes, the amine group is separated from the silicon center by a propyl chain. However, in CAS 15180-47-9, the diethylamino group is attached to the methyl bridge directly connected to the silicon. This close proximity creates an electronic effect that accelerates the hydrolysis reaction of the ethoxy groups.
For RTV silicone systems, this means faster moisture curing and improved early-stage strength development. The amine functionality also acts as a catalyst for condensation reactions, reducing the need for additional tin or amine catalysts in certain formulations. This dual functionality simplifies the bill of materials while enhancing the final polymer network density.
When evaluating compatibility, this silane coupling agent demonstrates excellent solubility in common organic solvents used in silicone processing. It reacts efficiently with hydroxyl-terminated polydimethylsiloxane (PDMS) chains. The result is a robust interface between organic polymers and inorganic fillers, such as fumed silica or calcium carbonate, ensuring mechanical integrity under stress.
Optimal Dosage and Curing Efficiency
Achieving the balance between pot life and cure speed requires precise dosing. Over-addition can lead to brittleness or excessive exotherm, while under-addition may result in incomplete crosslinking and poor adhesion. The following table outlines the typical physical properties formulators should expect from industrial grade batches.
| Property | Specification |
|---|---|
| Chemical Name | N-Ethyl-N-((Triethoxysilyl)Methyl)Ethanamine |
| CAS Number | 15180-47-9 |
| Molecular Formula | C11H27NO3Si |
| Molecular Weight | 249.42 g/mol |
| Appearance | Colorless to light yellow transparent liquid |
| Density (25°C) | 0.916 - 0.935 g/cm³ |
| Refractive Index | 1.4142 |
| Boiling Point | 110 - 130°C (5 mmHg) |
| Purity | ≥ 98% |
For most room temperature vulcanizing applications, a dosage range of 0.5% to 2.0% by weight relative to the polymer base is recommended. In adhesive primers, concentrations may be higher to ensure maximum surface wetting. When sourcing high-purity RTV silicone additive, buyers should verify the hydrolytic sensitivity data. This material reacts slowly with moisture, allowing for manageable processing times, but storage under an inert atmosphere is required to prevent pre-polymerization.
Formulators should also note the boiling point under vacuum conditions during devolatilization steps. The relatively low boiling point at reduced pressure facilitates the removal of volatile by-products, such as ethanol, generated during the condensation cure. This ensures the final product remains void-free and maintains optimal dielectric properties.
Technical Support and Batch Consistency
Consistency in raw material quality is paramount for scaling from laboratory trials to commercial production. Variations in purity or isomer distribution can lead to significant deviations in cure times and physical properties. NINGBO INNO PHARMCHEM CO.,LTD. maintains rigorous quality control protocols to ensure every batch meets strict specifications. Each shipment is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, density, and refractive index.
Supply chain stability is another critical factor for large-scale manufacturers. As market demand for high-performance silicone additives fluctuates, securing a reliable partner ensures uninterrupted production schedules. Clients often inquire about bulk price structures and lead times when qualifying new vendors. Our logistics network supports global distribution, ensuring that materials arrive in compliance with safety regulations, such as UN3267 for corrosive liquids.
Safety handling is essential during formulation. The material is classified as Hazard Class 8 and can be irritating to the eyes, respiratory system, and skin. Proper personal protective equipment, including gloves and eye protection, must be worn during handling. In case of contact, immediate rinsing with water is advised. By adhering to these safety guidelines and leveraging technical expertise, manufacturers can fully utilize the performance benefits of this alpha silane.
In summary, N-Ethyl-N-((Triethoxysilyl)Methyl)Ethanamine offers a distinct advantage in RTV silicone formulations due to its accelerated hydrolysis and strong adhesion promotion. Whether used as a fabric finishing agent precursor or a resin anchoring agent, its performance benchmark exceeds traditional alternatives. Partnering with an experienced supplier ensures access to the technical data and material consistency required for innovation in the silicone industry.