Bis(3-(methylamino)propyl)trimethoxysilane
Bis(3-(methylamino)propyl)trimethoxysilane (CAS 31024-70-1) is a chemical compound with the formula CH3N(CH2CH2CH2Si(OCH3)3)2 and a molecular weight of 355.58 g/mol. This silane derivative finds applications in materials science, particularly in micro/nanoelectronics and self-assembly processes. Its structure allows for versatile surface modification and integration into advanced material systems.

Surface Modification
Utilised for modifying surfaces to introduce specific functional groups, thereby altering surface properties such as adhesion, wettability, and reactivity for advanced material applications.
Micro/Nanoelectronics
Serves as a component in the fabrication processes for microelectronic and nanoelectronic devices, contributing to layer deposition and surface functionalisation.
Self-Assembly
Employed in self-assembly techniques for creating ordered molecular structures on surfaces, relevant for fabricating nanostructures and functional interfaces.
Silane Chemistry
Acts as a reactive intermediate or building block in silane-based chemistry, enabling the synthesis of polymers and composite materials with tailored properties.
| Molecular weight | 355.58 |
|---|---|
| Linear formula | CH3N(CH2CH2CH2Si(OCH3)3)2 |
| Boiling point | 170 °C/8.8 mmHg(lit.) |
| Density | 1.023 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4300(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 106 °C / 222.8 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Bis(3-(methylamino)propyl)trimethoxysilane used for?
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Bis(3-(methylamino)propyl)trimethoxysilane is used for surface modification, in micro/nanoelectronics fabrication, and for self-assembly processes. It functions as a silane coupling agent and material science intermediate.
What are the CAS number and formula for Bis(3-(methylamino)propyl)trimethoxysilane?
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The CAS number is 31024-70-1, and its linear formula is CH3N(CH2CH2CH2Si(OCH3)3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(3-(methylamino)propyl)trimethoxysilane in a technical/research grade. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling Bis(3-(methylamino)propyl)trimethoxysilane?
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Bis(3-(methylamino)propyl)trimethoxysilane is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Always refer to the Safety Data Sheet (SDS) before use.
Is Bis(3-(methylamino)propyl)trimethoxysilane a controlled substance?
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The provided data does not indicate that Bis(3-(methylamino)propyl)trimethoxysilane is a controlled substance.
How is Bis(3-(methylamino)propyl)trimethoxysilane packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports Bis(3-(methylamino)propyl)trimethoxysilane in compliance with all relevant regulations for chemical handling and international transport.
How can I request a sample or quote for Bis(3-(methylamino)propyl)trimethoxysilane?
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To request a sample or a quote for Bis(3-(methylamino)propyl)trimethoxysilane, please use the contact form on our website or reach out to our sales department directly.
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