Ethynyl(methyl)diphenylsilane
(甲基二苯基甲硅烷基)乙炔
Also known as: (methyldiphenylsilyl)acetylene, ethynyl(methyl)diphenylsilane, ethynyldiphenylmethylsilane, diphenylmethylethynylsilane, diphenylmethylsilylacetylene, methyldiphenylsilylacetylene, Benzene, 1,1'-(ethynylmethylsilylene)bis-
Ethynyl(methyl)diphenylsilane (CAS 17156-65-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H14Si and a molecular weight of 222.357 g/mol. It is also known as (methyldiphenylsilyl)acetylene, ethynyl(methyl)diphenylsilane and ethynyldiphenylmethylsilane. Key properties include a boiling point of 279.7±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 120.8±12.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17156-65-9
- Jingsj CID
- J-26625-1
- Molecular Formula
- C15H14Si
- Chinese Name
- (甲基二苯基甲硅烷基)乙炔
- Molecular Weight
- 222.357 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 279.7±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 120.8±12.4 °C |
Frequently Asked Questions
What is the CAS number of Ethynyl(methyl)diphenylsilane?
The CAS number of Ethynyl(methyl)diphenylsilane is 17156-65-9.
What are the molecular formula and molecular weight of Ethynyl(methyl)diphenylsilane?
Ethynyl(methyl)diphenylsilane has molecular formula C15H14Si and molecular weight 222.357 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethynyl(methyl)diphenylsilane (CAS 17156-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26625-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.