3-Aminopropyl(diethoxy)methylsilane
3-Aminopropyl(diethoxy)methylsilane (CAS: 3179-76-8, Formula: CH3Si(OC2H5)2(CH2)3NH2) is an organosilane with a molecular weight of 191.34 g/mol. This compound features both amine and alkoxysilane functional groups, enabling diverse chemical reactions. It is primarily utilised in materials science, micro/nanoelectronics, and as a component in self-assembly processes, facilitating surface modification and the creation of specialised materials.
- IUPAC
- 3-(Diethoxymethylsilyl)propylamine,3-Aminopropyl-methyl-diethoxysilane
- Synonyms
- 3-(Diethoxymethylsilyl)propylamine3-Aminopropyl-methyl-diethoxysilane

Surface Modification Agent
Utilised to functionalise surfaces by forming covalent bonds, altering surface properties such as adhesion, wettability, and reactivity for various material science applications.
Micro/Nanoelectronics Component
Serves as a precursor or additive in the fabrication of micro and nanoelectronic devices, contributing to the development of advanced electronic materials and structures.
Self-Assembly Studies
Employed in research and development related to self-assembly, particularly in creating ordered molecular layers on substrates for applications in nanotechnology and advanced materials.
Intermediate in Synthesis
Acts as a versatile building block in organic and organometallic synthesis, enabling the introduction of both amine and silane functionalities into target molecules.
| Molecular weight | 191.34 |
|---|---|
| Linear formula | CH3Si(OC2H5)2(CH2)3NH2 |
| Assay | 97% |
| Boiling point | 85-88 °C/8 mmHg(lit.) |
| Density | 0.916 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.426(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 85 °C / 185 °F |
| Transport (UN / ADR) | UN 3267 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Aminopropyl(diethoxy)methylsilane used for?
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3-Aminopropyl(diethoxy)methylsilane is used in materials science, micro/nanoelectronics, and self-assembly applications for surface modification and synthesis.
What are the CAS number and chemical formula for 3-Aminopropyl(diethoxy)methylsilane?
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The CAS number is 3179-76-8 and the chemical formula is CH3Si(OC2H5)2(CH2)3NH2.
What grade and purity does Tech Serve Solutions supply for 3-Aminopropyl(diethoxy)methylsilane?
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Tech Serve Solutions supplies 3-Aminopropyl(diethoxy)methylsilane with an assay of 97%. This is a technical/research grade, and we do not represent it as USP, BP, or EP grade.
How should 3-Aminopropyl(diethoxy)methylsilane be handled safely?
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This compound is corrosive and causes severe skin burns and eye damage. Handle with appropriate personal protective equipment, including gloves, goggles, a face shield, and a suitable respirator. Ensure adequate ventilation and avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet for comprehensive handling information.
Is 3-Aminopropyl(diethoxy)methylsilane available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and 3-Aminopropyl(diethoxy)methylsilane can be supplied internationally.
How can I request a quote or sample for 3-Aminopropyl(diethoxy)methylsilane?
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To request a quote or sample, please contact our sales department via the website or by phone, providing the product name and CAS number.
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