Ethyl 3-(trimethylsilyl)-2-propynoate
Also known as: Ethyl 3-(trimethylsilyl)propiolate, Ethyl 3-(trimethylsilyl)propynoate, 2-Propynoic acid, 3-(trimethylsilyl)-, ethyl ester, 3-(Trimethylsilyl)-2-propynoic acid ethyl ester, Ethyl (trimethylsilyl)ethynylcarboxylate, MFCD00074886, TIMTEC-BB SBB008832, ethyl 3-trimethylsilylprop-2-ynoate
Ethyl 3-(trimethylsilyl)-2-propynoate (CAS 16205-84-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2Si and a molecular weight of 170.281 g/mol. Key properties include a boiling point of 190.9±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 71.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16205-84-8
- Jingsj CID
- J-1516437-1
- Molecular Formula
- C8H14O2Si
- Molecular Weight
- 170.281 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 190.9±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 71.1±0.0 °C |
| Exact Mass | 170.076309 |
| PSA | 26.30000 |
| LogP | 3.30 |
| Vapor Pressure | 0.5±0.3 mmHg at 25°C |
| Refractive Index | 1.433 |
| Additional Property | Sparingly soluble in water. |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl 3-(trimethylsilyl)-2-propynoate?
The CAS number of Ethyl 3-(trimethylsilyl)-2-propynoate is 16205-84-8.
What are the molecular formula and molecular weight of Ethyl 3-(trimethylsilyl)-2-propynoate?
Ethyl 3-(trimethylsilyl)-2-propynoate has molecular formula C8H14O2Si and molecular weight 170.281 g/mol.
Is Ethyl 3-(trimethylsilyl)-2-propynoate hazardous?
Ethyl 3-(trimethylsilyl)-2-propynoate has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Ethyl 3-(trimethylsilyl)-2-propynoate?
For Ethyl 3-(trimethylsilyl)-2-propynoate, Upstream Products: Chlorotrimethylsilane, Ethyl propiolate, Trimethylsilylacetylene; Downstream Products: Ethyl 5-((tert-butoxycarbonyl)amino)pyrazolo[1,5-a]pyridine-3-carboxylate, Ethyl 3-phenyl-2-propynoate, Ethyl (E)-3-(diethylamino)prop-2-enoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 3-(trimethylsilyl)-2-propynoate (CAS 16205-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516437-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.