Trimethyl(1,4-pentadiyn-1-yl)silane

1-三甲基硅-1,4-戊二炔

Also known as: 1-Trimethylsilyl-1,4-pentadiyne, Trimethyl-1,4-pentadiynylsilane, Trimethyl(penta-1,4-diyn-1-yl)silane, Silane, trimethyl-1,4-pentadiyn-1-yl-, TIMTEC-BB SBB009064, X7215

Trimethyl(1,4-pentadiyn-1-yl)silane (CAS 71789-10-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H12Si and a molecular weight of 136.266 g/mol. It is also known as 1-Trimethylsilyl-1,4-pentadiyne, Trimethyl-1,4-pentadiynylsilane and Trimethyl(penta-1,4-diyn-1-yl)silane. Key properties include a boiling point of 116.5±13.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 12.8±12.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71789-10-1
Jingsj CID
J-1142636-3
Molecular Formula
C8H12Si
Chinese Name
1-三甲基硅-1,4-戊二炔
Molecular Weight
136.266 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point116.5±13.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point12.8±12.4 °C

Frequently Asked Questions

What is the CAS number of Trimethyl(1,4-pentadiyn-1-yl)silane?

The CAS number of Trimethyl(1,4-pentadiyn-1-yl)silane is 71789-10-1.

What are the molecular formula and molecular weight of Trimethyl(1,4-pentadiyn-1-yl)silane?

Trimethyl(1,4-pentadiyn-1-yl)silane has molecular formula C8H12Si and molecular weight 136.266 g/mol.

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

Last updated:

How to cite: Jingsj. "Trimethyl(1,4-pentadiyn-1-yl)silane (CAS 71789-10-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1142636-3 (accessed 2026-10-25).

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