Hexamethylcyclotrisiloxane
六甲基环三硅氧烷
Also known as: Cyclotrisiloxane, hexamethyl-, 2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-trioxatrisilinane, Dimethylsiloxane cyclic trimer, Hexamethylcyclotrisiloxane (D3), cyclotrisiloxane,hexamethyl-, hexamethyl-cyclotrisiloxane
- CAS No.
- 541-05-9
- Jingsj CID
- J-41017-3
- Molecular Formula
- C6H18O3Si3
- Chinese Name
- 六甲基环三硅氧烷
- Molecular Weight
- 222.462 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 50-64 °C(lit.) |
|---|---|
| Boiling Point | 131.0±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 26.4±18.8 °C |
GHS Safety & Compliance
FlammableSignal word: Danger
Frequently Asked Questions
What is the CAS number of Hexamethylcyclotrisiloxane?
541-05-9
What are the molecular formula and molecular weight of Hexamethylcyclotrisiloxane?
C6H18O3Si3, molecular weight 222.462 g/mol
Is Hexamethylcyclotrisiloxane hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026