[(3,4-Difluorophenyl)ethynyl](trimethyl)silane
3-(3,4-二氟苯基)-2-乙炔三甲基硅烷
Also known as: ((3,4-Difluorophenyl)ethynyl)trimethylsilane, (3,4-Difluorophenyl)ethynyltrimethylsilane, Benzene, 1,2-difluoro-4-[2-(trimethylsilyl)ethynyl]-
[(3,4-Difluorophenyl)ethynyl](trimethyl)silane (CAS 866683-38-7) 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 ((3,4-Difluorophenyl)ethynyl)trimethylsilane, (3,4-Difluorophenyl)ethynyltrimethylsilane and Benzene, 1,2-difluoro-4-[2-(trimethylsilyl)ethynyl]-. Key properties include a boiling point of 206.4±40.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 78.6±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 866683-38-7
- Jingsj CID
- J-993228-3
- Molecular Formula
- C11H12F2Si
- Chinese Name
- 3-(3,4-二氟苯基)-2-乙炔三甲基硅烷
- 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 | 206.4±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 78.6±27.3 °C |
Frequently Asked Questions
What is the CAS number of [(3,4-Difluorophenyl)ethynyl](trimethyl)silane?
The CAS number of [(3,4-Difluorophenyl)ethynyl](trimethyl)silane is 866683-38-7.
What are the molecular formula and molecular weight of [(3,4-Difluorophenyl)ethynyl](trimethyl)silane?
[(3,4-Difluorophenyl)ethynyl](trimethyl)silane 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. "[(3,4-Difluorophenyl)ethynyl](trimethyl)silane (CAS 866683-38-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-993228-3 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.