2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane

四甲基四苯基环四硅氧烷

Also known as: 1,3,5,7-Tetramethyltetraphenylcyclotetrasiloxane, 1,3,5,7-tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxane, Tetrtaphenyltetramethylcyclotetrasiloxane, Cyclotetrasiloxane, 2,4,6,8-tetramethyl-2,4,6,8-tetraphenyl-, 2,4,6,8-Tetraphenyl-2,4,6,8-tetramethylcyclooctanetetrasiloxane, 2,4,6,8-Tetramethyl-2,4,6,8-tetraphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, 2,4,6,8-Tetramethyl-2,4,6,8-tetraphenylcyclooctanetetrasiloxane, 1.3.5'.7'-Tetramethyl-1'.3'.5.7-tetraphenylcyclotetrasiloxan, tetramethyltetraphenylcyclotetrasiloxane, EINECS 201-045-0

2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane (CAS 77-63-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C28H32O4Si4 and a molecular weight of 544.893 g/mol. It is also known as 1,3,5,7-Tetramethyltetraphenylcyclotetrasiloxane, 1,3,5,7-tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxane and Tetrtaphenyltetramethylcyclotetrasiloxane. Key properties include a melting point of 99°C, a boiling point of 493.2±28.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 211.7±24.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77-63-4
Jingsj CID
J-1343778-3
Molecular Formula
C28H32O4Si4
Chinese Name
四甲基四苯基环四硅氧烷
Molecular Weight
544.893 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point99°C
Boiling Point493.2±28.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point211.7±24.4 °C

Frequently Asked Questions

What is the CAS number of 2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane?

The CAS number of 2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane is 77-63-4.

What are the molecular formula and molecular weight of 2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane?

2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane has molecular formula C28H32O4Si4 and molecular weight 544.893 g/mol.

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

Last updated:

How to cite: Jingsj. "2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane (CAS 77-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343778-3 (accessed 2026-10-22).

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