1-Trimethylsilyl-1-pentyne

1-三甲硅基-1-戊炔

Also known as: Trimethyl(pent-1-yn-1-yl)silane, 1-Pentyn-1-yltrimethylsilane, 1-TMS-1-pentyne, TIMTEC-BB SBB009062, Silane, trimethyl-1-pentyn-1-yl-, Trimethyl(pent-1-ynyl)silane, 1-(Trimethylsilyl)-1-pentyne, 1-(trimethylsilyl)pent-1-yne

1-Trimethylsilyl-1-pentyne (CAS 18270-17-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H16Si and a molecular weight of 140.298 g/mol. It is also known as Trimethyl(pent-1-yn-1-yl)silane, 1-Pentyn-1-yltrimethylsilane and 1-TMS-1-pentyne. Key properties include a boiling point of 135.0±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 22.8±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18270-17-2
Jingsj CID
J-13467-1
Molecular Formula
C8H16Si
Chinese Name
1-三甲硅基-1-戊炔
Molecular Weight
140.298 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point135.0±0.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point22.8±0.0 °C

Frequently Asked Questions

What is the CAS number of 1-Trimethylsilyl-1-pentyne?

The CAS number of 1-Trimethylsilyl-1-pentyne is 18270-17-2.

What are the molecular formula and molecular weight of 1-Trimethylsilyl-1-pentyne?

1-Trimethylsilyl-1-pentyne has molecular formula C8H16Si and molecular weight 140.298 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Trimethylsilyl-1-pentyne (CAS 18270-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13467-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.