Trimethylsilylethynylboronic acid
三甲基甲硅烷基乙炔硼酸
Also known as: 2-trimethylsilylethynylboronic acid, 2-Trimethylsilanylethynylboronic acid, Boronic acid, [(trimethylsilyl)ethynyl]- (9CI), TRIMETHYLSILYLETHYNYLBORONIC ACID, [(Trimethylsilyl)ethynyl]boronic acid
Trimethylsilylethynylboronic acid (CAS 491876-41-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11BO2Si and a molecular weight of 142.03600 g/mol. It is also known as 2-trimethylsilylethynylboronic acid, 2-Trimethylsilanylethynylboronic acid and Boronic acid, [(trimethylsilyl)ethynyl]- (9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 491876-41-6
- Jingsj CID
- J-1148126-3
- Molecular Formula
- C5H11BO2Si
- Chinese Name
- 三甲基甲硅烷基乙炔硼酸
- Molecular Weight
- 142.03600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Trimethylsilylethynylboronic acid?
The CAS number of Trimethylsilylethynylboronic acid is 491876-41-6.
What are the molecular formula and molecular weight of Trimethylsilylethynylboronic acid?
Trimethylsilylethynylboronic acid has molecular formula C5H11BO2Si and molecular weight 142.03600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylsilylethynylboronic acid (CAS 491876-41-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1148126-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.