(tert-Butyldimethylsilyl)acetylene

(叔丁基二甲基硅基)乙炔

Also known as: tert-Butyl(ethynyl)dimethylsilane, tert-Butyldimethylsilylacetylene, Ethynyl-tert-butyldimethylsilane, (tert-Butyldimethylsilyl)ethyne, tert-Butylethynyldimethylsilane, Silane, (1,1-dimethylethyl)ethynyldimethyl-

(tert-Butyldimethylsilyl)acetylene (CAS 86318-61-8) 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 tert-Butyl(ethynyl)dimethylsilane, tert-Butyldimethylsilylacetylene and Ethynyl-tert-butyldimethylsilane. Key properties include a melting point of 98-102℃ (chloroform hexane ), a boiling point of 130.1±9.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 20.1±11.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
86318-61-8
Jingsj CID
J-1011788-6
Molecular Formula
C8H16Si
Chinese Name
(叔丁基二甲基硅基)乙炔
Molecular Weight
140.298 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point98-102℃ (chloroform hexane )
Boiling Point130.1±9.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point20.1±11.3 °C

Frequently Asked Questions

What is the CAS number of (tert-Butyldimethylsilyl)acetylene?

The CAS number of (tert-Butyldimethylsilyl)acetylene is 86318-61-8.

What are the molecular formula and molecular weight of (tert-Butyldimethylsilyl)acetylene?

(tert-Butyldimethylsilyl)acetylene 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. "(tert-Butyldimethylsilyl)acetylene (CAS 86318-61-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011788-6 (accessed 2026-10-22).

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