(3,5-Difluorophenylethynyl)trimethylsilane
(3,5-二氟苯基乙炔基)三甲基硅烷
Also known as: (3,5-Difluorophenyl)(trimethylsilyl)acetylene, 1,3-Difluoro-5-[2-(trimethylsilyl)ethynyl]benzene, 2-(3,5-difluorophenyl)ethynyl-trimethylsilane, Benzene, 1,3-difluoro-5-[2-(trimethylsilyl)ethynyl]-, MFCD04039981
(3,5-Difluorophenylethynyl)trimethylsilane (CAS 445491-09-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H12F2Si and a molecular weight of 210.295 g/mol. It is also known as (3,5-Difluorophenyl)(trimethylsilyl)acetylene, 1,3-Difluoro-5-[2-(trimethylsilyl)ethynyl]benzene and 2-(3,5-difluorophenyl)ethynyl-trimethylsilane. Key properties include a boiling point of 207.1±40.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 79.1±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 445491-09-8
- Jingsj CID
- J-5056-6
- Molecular Formula
- C11H12F2Si
- Chinese Name
- (3,5-二氟苯基乙炔基)三甲基硅烷
- Molecular Weight
- 210.295 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 207.1±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 79.1±27.3 °C |
Frequently Asked Questions
What is the CAS number of (3,5-Difluorophenylethynyl)trimethylsilane?
The CAS number of (3,5-Difluorophenylethynyl)trimethylsilane is 445491-09-8.
What are the molecular formula and molecular weight of (3,5-Difluorophenylethynyl)trimethylsilane?
(3,5-Difluorophenylethynyl)trimethylsilane has molecular formula C11H12F2Si and molecular weight 210.295 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3,5-Difluorophenylethynyl)trimethylsilane (CAS 445491-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5056-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.