Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane
4,4,5,5-四甲基-2-[2-[(三甲基硅基)乙炔基]苯基]-1,3,2-二氧杂硼烷
Also known as: 2-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-[2-[(trimethylsilyl)ethynyl]phenyl]-1,3,2-dioxaborolane, Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane, 2-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester 97%, 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-[2-[2-(trimethylsilyl)ethynyl]phenyl]-, trimethyl(2-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane, trimethyl-[2-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl]silane
Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 1218790-52-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H25BO2Si and a molecular weight of 300.27600 g/mol. It is also known as 2-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-[2-[(trimethylsilyl)ethynyl]phenyl]-1,3,2-dioxaborolane and 2-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester 97%. Key property: a density of 0.959g/cm3at 25 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1218790-52-3
- Jingsj CID
- J-980691-3
- Molecular Formula
- C17H25BO2Si
- Chinese Name
- 4,4,5,5-四甲基-2-[2-[(三甲基硅基)乙炔基]苯基]-1,3,2-二氧杂硼烷
- Molecular Weight
- 300.27600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 0.959g/cm3at 25 °C |
|---|
Frequently Asked Questions
What is the CAS number of Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane?
The CAS number of Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane is 1218790-52-3.
What are the molecular formula and molecular weight of Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane?
Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane has molecular formula C17H25BO2Si and molecular weight 300.27600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 1218790-52-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-980691-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.