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1,1-DIMETHYLSILA-11-CROWN-4

1,1-二甲基硅杂-11-冠醚-4

Also known as: 1,1-Dimethylsila-11-crown-4, 1,3,6,9-Tetraoxa-2-silacycloundecane, 2,2-dimethyl-, 2,2-dimethyl-1,3,6,9-tetraoxa-2-silacycloundecane, Dimethylsila-11-crown-4, Dimethylsilacrownphasetransfercatalyst, DIMETHYLSILA-11-CROWN-4

1,1-DIMETHYLSILA-11-CROWN-4 (CAS 18339-94-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C8H18O4Si and a molecular weight of 206.31200 g/mol. It is also known as 1,1-Dimethylsila-11-crown-4, 1,3,6,9-Tetraoxa-2-silacycloundecane, 2,2-dimethyl- and 2,2-dimethyl-1,3,6,9-tetraoxa-2-silacycloundecane. Key properties include a boiling point of 96ºC, a density of 1.07 and a flash point of 77ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18339-94-1
Jingsj CID
J-1408423-2
Molecular Formula
C8H18O4Si
Chinese Name
1,1-二甲基硅杂-11-冠醚-4
Molecular Weight
206.31200 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point96ºC
Density1.07
Flash Point77ºC

Frequently Asked Questions

What is the CAS number of 1,1-DIMETHYLSILA-11-CROWN-4?

The CAS number of 1,1-DIMETHYLSILA-11-CROWN-4 is 18339-94-1.

What are the molecular formula and molecular weight of 1,1-DIMETHYLSILA-11-CROWN-4?

1,1-DIMETHYLSILA-11-CROWN-4 has molecular formula C8H18O4Si and molecular weight 206.31200 g/mol.

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

Last updated:

How to cite: Jingsj. "1,1-DIMETHYLSILA-11-CROWN-4 (CAS 18339-94-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408423-2 (accessed 2026-10-24).

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