Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane
Also known as: 1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-5-(trimethylsilyl)-, Tetramethylcyclopentadienyltrimethylsilane, Trimethyl(1,2,3,4-tetramethyl-2,4-cyclopentadien-1-yl)silane, 2,3,4,5-Tetramethylcyclopentadienyltrimethylsilane, TMCP-TMS
Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane (CAS 134695-74-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H22Si and a molecular weight of 194.389 g/mol. Key properties include a melting point of 45°C 0，03mm, a boiling point of 222.0±9.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 73.5±12.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 134695-74-2
- Jingsj CID
- J-26619-3
- Molecular Formula
- C12H22Si
- Molecular Weight
- 194.389 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 45°C 0，03mm |
|---|---|
| Boiling Point | 222.0±9.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 73.5±12.3 °C |
| Exact Mass | 194.149078 |
| LogP | 5.66 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.461 |
Frequently Asked Questions
What is the CAS number of Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane?
The CAS number of Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane is 134695-74-2.
What are the molecular formula and molecular weight of Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane?
Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane has molecular formula C12H22Si and molecular weight 194.389 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethyl(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane (CAS 134695-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26619-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.