1-Dimethylamino-3-(trimethylsilyl)-2-propyne
1-Dimethylamino-3-(trimethylsilyl)-2-propyne (CAS: 56849-88-8, Formula: C8H17NSi) is a versatile organic building block with a molecular weight of 155.31 g/mol. This alkyne derivative serves as a valuable intermediate in chemical synthesis, particularly in the creation of more complex organic molecules. Its unique structure, featuring both a silyl group and a dimethylamino group adjacent to a triple bond, allows for diverse chemical transformations.

Organic Synthesis Intermediate
This compound acts as a key building block in the construction of complex organic molecules. Its reactive functional groups enable participation in various coupling reactions and cyclizations, facilitating the synthesis of novel chemical entities for research and development.
Research and Development
Utilised in academic and industrial research laboratories, 1-Dimethylamino-3-(trimethylsilyl)-2-propyne aids in exploring new synthetic pathways and developing innovative chemical products. Its specific structure offers unique opportunities for creating custom molecules.
Materials Science
The compound can be incorporated into the synthesis of advanced materials. The presence of the silicon atom and the propargyl moiety can influence the properties of polymers and other novel materials.
| Molecular weight | 155.31 |
|---|---|
| Empirical formula | C8H17NSi |
| Assay | 96% |
| Density | 0.795 g/mL at 25 °C |
| Refractive index | n20/D 1.4383 |
| Storage temperature | 2-8°C |


Hazard statements
- H226Flammable liquid and vapour
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 37 °C / 98.6 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26 |
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 1-Dimethylamino-3-(trimethylsilyl)-2-propyne used for?
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1-Dimethylamino-3-(trimethylsilyl)-2-propyne is primarily used as an intermediate in organic synthesis and in research and development laboratories for creating complex organic molecules and exploring novel chemical transformations.
What are the CAS number and formula for 1-Dimethylamino-3-(trimethylsilyl)-2-propyne?
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The CAS number is 56849-88-8 and the empirical formula is C8H17NSi.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Dimethylamino-3-(trimethylsilyl)-2-propyne with a minimum assay of 96%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 1-Dimethylamino-3-(trimethylsilyl)-2-propyne be handled safely?
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This compound is flammable (flash point 37°C) and can cause skin irritation, serious eye irritation, and respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and use in a well-ventilated area or with respiratory protection.
Is 1-Dimethylamino-3-(trimethylsilyl)-2-propyne a controlled substance?
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The provided data does not indicate that 1-Dimethylamino-3-(trimethylsilyl)-2-propyne is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging and shipping details, compliant with international regulations (e.g., UN 1993), are provided upon request.
How can I request a sample or a quote?
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To request a sample or a quote for 1-Dimethylamino-3-(trimethylsilyl)-2-propyne, please contact our sales team directly through our website or by phone.
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