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Octamethylcyclotetrasilazane

八甲基环四硅氮烷

Also known as: 2,2,4,4,6,6,8,8-Octamethylcyclotetrasilazane, Cyclotetrasilazane, 2,2,4,4,6,6,8,8-octamethyl-, Dimethylsilazane Cyclic Tetramer, 1,1,3,3,5,5,7,7-Octamethylcyclotetrasilazane, 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetrazatetrasilocane

Octamethylcyclotetrasilazane (CAS 1020-84-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H28N4Si4 and a molecular weight of 292.677 g/mol. It is also known as 2,2,4,4,6,6,8,8-Octamethylcyclotetrasilazane, Cyclotetrasilazane, 2,2,4,4,6,6,8,8-octamethyl- and Dimethylsilazane Cyclic Tetramer. Key properties include a melting point of 96-99 °C(lit.), a boiling point of 240.4±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 99.2±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1020-84-4
Jingsj CID
J-1175983-4
Molecular Formula
C8H28N4Si4
Chinese Name
八甲基环四硅氮烷
Molecular Weight
292.677 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point96-99 °C(lit.)
Boiling Point240.4±23.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point99.2±22.6 °C

Frequently Asked Questions

What is the CAS number of Octamethylcyclotetrasilazane?

The CAS number of Octamethylcyclotetrasilazane is 1020-84-4.

What are the molecular formula and molecular weight of Octamethylcyclotetrasilazane?

Octamethylcyclotetrasilazane has molecular formula C8H28N4Si4 and molecular weight 292.677 g/mol.

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

Last updated:

How to cite: Jingsj. "Octamethylcyclotetrasilazane (CAS 1020-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175983-4 (accessed 2026-10-25).

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