bis(trichlorosilyl)acetylene

双(三氯甲硅基)乙炔

Also known as: 1,2-bis-(trichlorosilyl)acetylene, bis(trichlorosilyl)ethyne, 1,2-Ethynediylbis(trichlorosilane), Ethyne-1,2-diylbis(trichlorosilane), Silane, 1,1'-(1,2-ethynediyl)bis[1,1,1-trichloro-, trichloro(2-trichlorosilylethynyl)silane, Hexa-Si-chloro-Si,Si'-ethynediyl-bis-silane, B3215, Bis(trichlorsilyl)ethin, Hexa-Si-chlor-Si,Si'-aethindiyl-bis-silan

bis(trichlorosilyl)acetylene (CAS 18038-55-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2Cl6Si2 and a molecular weight of 292.910 g/mol. It is also known as 1,2-bis-(trichlorosilyl)acetylene, bis(trichlorosilyl)ethyne and 1,2-Ethynediylbis(trichlorosilane). Key properties include a melting point of 41752ºC, a boiling point of 174.7±9.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 55.2±13.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18038-55-6
Jingsj CID
J-1101061-0
Molecular Formula
C2Cl6Si2
Chinese Name
双(三氯甲硅基)乙炔
Molecular Weight
292.910 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point41752ºC
Boiling Point174.7±9.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point55.2±13.5 °C

Frequently Asked Questions

What is the CAS number of bis(trichlorosilyl)acetylene?

The CAS number of bis(trichlorosilyl)acetylene is 18038-55-6.

What are the molecular formula and molecular weight of bis(trichlorosilyl)acetylene?

bis(trichlorosilyl)acetylene has molecular formula C2Cl6Si2 and molecular weight 292.910 g/mol.

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

Last updated:

How to cite: Jingsj. "bis(trichlorosilyl)acetylene (CAS 18038-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101061-0 (accessed 2026-10-25).

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