Hexaethylcyclotrisiloxane
Also known as: 2,2,4,4,6,6-hexaethyl-1,3,5,2,4,6-trioxatrisilinane, 1,1,3,3,5,5-hexaethylcyclotrisiloxane, Cyclotrisiloxane, hexaethyl-, Cyclotrisiloxane, 2,2,4,4,6,6-hexaethyl-, hexaethyl-cyclotrisiloxane, hexaethylcyclotriasiloxane, Hexaethyl-1,3,5-trioxa-2,4,6-trisilacyclohexane, diethylsiloxane trimer, hexaethyltrisiloxane, Ethylcyclosiloxanes, MFCD00053566
Hexaethylcyclotrisiloxane (CAS 2031-79-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H30O3Si3 and a molecular weight of 306.621 g/mol. Key properties include a melting point of 14ºC, a boiling point of 252.1±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 94.3±18.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2031-79-0
- Jingsj CID
- J-27676-8
- Molecular Formula
- C12H30O3Si3
- Molecular Weight
- 306.621 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 14ºC |
|---|---|
| Boiling Point | 252.1±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 94.3±18.8 °C |
| Exact Mass | 306.150269 |
| PSA | 27.69000 |
| LogP | 4.49580 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.435 |
Frequently Asked Questions
What is the CAS number of Hexaethylcyclotrisiloxane?
The CAS number of Hexaethylcyclotrisiloxane is 2031-79-0.
What are the molecular formula and molecular weight of Hexaethylcyclotrisiloxane?
Hexaethylcyclotrisiloxane has molecular formula C12H30O3Si3 and molecular weight 306.621 g/mol.
What are the upstream and downstream products of Hexaethylcyclotrisiloxane?
For Hexaethylcyclotrisiloxane, Upstream Products: Dichlorodiethylsilane, Chlorotrimethylsilane, Diethyldiethoxysilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Hexaethylcyclotrisiloxane (CAS 2031-79-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27676-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.