Ethyl 3-(trimethylsilyl)propionate
Ethyl 3-(trimethylsilyl)propionate (CAS: 17728-88-0), with the molecular formula C8H18O2Si and a molecular weight of 174.31 g/mol, is an organosilicon ester. It serves as a valuable building block and intermediate in organic synthesis, particularly within chemical and ester research applications. This compound is recognised for its utility in introducing specific functional groups in complex molecular architectures, contributing to advancements in materials science and pharmaceutical development.

Organic Synthesis Intermediate
Utilised as a versatile building block in the construction of more complex organic molecules. Its unique structure facilitates various synthetic transformations, making it valuable in medicinal chemistry and materials science research.
Ester Chemistry
As an ester, it participates in reactions typical of this functional group. This includes potential use in esterification or transesterification processes, contributing to the synthesis of diverse chemical entities.
Organosilicon Chemistry
Incorporates a trimethylsilyl group, enabling its application in reactions specific to organosilicon chemistry. This can lead to the development of novel silicon-containing compounds with tailored properties.
| Molecular weight | 174.31 |
|---|---|
| Empirical formula | C8H18O2Si |
| Assay | ≥95.0% |
| Boiling point | 178-180 °C |
| Density | 0.878 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.420 |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 53 °C / 127.4 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 23-24/25 |
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 Ethyl 3-(trimethylsilyl)propionate used for?
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Ethyl 3-(trimethylsilyl)propionate is primarily used as a building block and intermediate in organic synthesis, particularly within ester and organosilicon chemistry research and development.
What are the CAS number and formula for Ethyl 3-(trimethylsilyl)propionate?
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The CAS number is 17728-88-0, and the empirical formula is C8H18O2Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 3-(trimethylsilyl)propionate with an assay of ≥95.0%. We do not represent this product as USP, BP, or EP grade.
How should Ethyl 3-(trimethylsilyl)propionate be handled safely?
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Ethyl 3-(trimethylsilyl)propionate is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area. Avoid ignition sources.
How is this chemical exported and shipped?
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Ethyl 3-(trimethylsilyl)propionate is classified under UN 3272, Hazard Class 3, Packing Group III. TSS ensures compliant packaging and international shipping procedures for export.
How can I request a quote or sample?
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To request a quote or sample of Ethyl 3-(trimethylsilyl)propionate, please contact our sales team via the website or direct email.
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