Methyl 3-(trimethylsilyl)propiolate
Also known as: Methyl (trimethylsilyl)propiolate, Methyl 3-(trimethylsilyl)propynoate, 2-Propynoic acid, 3-(trimethylsilyl)-, methyl ester, (trimethylsilyl)propiolic acid methyl ester, Trimethylsilanyl-propynoic acid methyl ester
Methyl 3-(trimethylsilyl)propiolate (CAS 42201-71-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C7H12O2Si and a molecular weight of 156.25400 g/mol. Key properties include a boiling point of 71-75ºC/11mm, a density of 0.937g/cm3 and a flash point of 71-75°C/11mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42201-71-8
- Jingsj CID
- J-10838-0
- Molecular Formula
- C7H12O2Si
- Molecular Weight
- 156.25400 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 71-75ºC/11mm |
|---|---|
| Density | 0.937g/cm3 |
| Flash Point | 71-75°C/11mm |
| Exact Mass | 156.06100 |
| PSA | 26.30000 |
| LogP | 1.04020 |
| Refractive Index | 1.429 |
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 Methyl 3-(trimethylsilyl)propiolate?
The CAS number of Methyl 3-(trimethylsilyl)propiolate is 42201-71-8.
What are the molecular formula and molecular weight of Methyl 3-(trimethylsilyl)propiolate?
Methyl 3-(trimethylsilyl)propiolate has molecular formula C7H12O2Si and molecular weight 156.25400 g/mol.
What are the upstream and downstream products of Methyl 3-(trimethylsilyl)propiolate?
For Methyl 3-(trimethylsilyl)propiolate, Upstream Products: Trimethylsilylacetylene, Chlorotrimethylsilane, methyl propiolate; Downstream Products: 3-(Trimethylsilyl)propiolaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 3-(trimethylsilyl)propiolate (CAS 42201-71-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10838-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.