trimethyl[(2-methylphenyl)ethynyl]silane
2-[(三甲基甲硅烷基)乙炔基]甲苯
Also known as: (2-(2-methylphenyl)ethynyl)trimethylsilane, 1-Methyl-2-[2-(trimethylsilyl)ethynyl]benzene, 2-[(Trimethylsilyl)ethynyl]toluene, Trimethyl-[2-(2-Methylphenyl)Ethynyl]Silane, Benzene, 1-methyl-2-[2-(trimethylsilyl)ethynyl]-, trimethyl(o-tolylethynyl)silane, 2-TRIMETHYLSILYLETHYNYLTOLUENE, MFCD03427240
trimethyl[(2-methylphenyl)ethynyl]silane (CAS 3989-15-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H16Si and a molecular weight of 188.34100 g/mol. It is also known as (2-(2-methylphenyl)ethynyl)trimethylsilane, 1-Methyl-2-[2-(trimethylsilyl)ethynyl]benzene and 2-[(Trimethylsilyl)ethynyl]toluene. Key properties include a boiling point of 50-60ºC0.5 mm Hg(lit.), a density of 0.880 g/mL at 25ºC(lit.) and a flash point of 195 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3989-15-9
- Jingsj CID
- J-1408324-2
- Molecular Formula
- C12H16Si
- Chinese Name
- 2-[(三甲基甲硅烷基)乙炔基]甲苯
- Molecular Weight
- 188.34100 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 50-60ºC0.5 mm Hg(lit.) |
|---|---|
| Density | 0.880 g/mL at 25ºC(lit.) |
| Flash Point | 195 °F |
Frequently Asked Questions
What is the CAS number of trimethyl[(2-methylphenyl)ethynyl]silane?
The CAS number of trimethyl[(2-methylphenyl)ethynyl]silane is 3989-15-9.
What are the molecular formula and molecular weight of trimethyl[(2-methylphenyl)ethynyl]silane?
trimethyl[(2-methylphenyl)ethynyl]silane has molecular formula C12H16Si and molecular weight 188.34100 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-methylphenyl)ethynyl]silane (CAS 3989-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408324-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.