Octamethyltrisiloxane
八甲基三硅氧烷
Also known as: 1,1,1,3,3,5,5,5-Octamethyltrisiloxane, Dimethylbis(trimethylsilyloxy)silane, Trisiloxane, 1,1,1,3,3,5,5,5-octamethyl-, [(CH3)3SiO]2Si(CH3)2, MFCD00008264, EINECS 203-497-4, Poly(Dimethylsiloxane) (low molecular weight), Methylpolysiloxane, CO9816
- CAS No.
- 107-51-7
- Jingsj CID
- J-1032435-8
- Molecular Formula
- C8H24O2Si3
- Chinese Name
- 八甲基三硅氧烷
- Molecular Weight
- 236.531 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -82 °C |
|---|---|
| Boiling Point | 153.0±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 55.0±23.0 °C |
GHS Safety & Compliance
Flammable / Environmental HazardSignal word: Warning
Frequently Asked Questions
What is the CAS number of Octamethyltrisiloxane?
107-51-7
What are the molecular formula and molecular weight of Octamethyltrisiloxane?
C8H24O2Si3, molecular weight 236.531 g/mol
Is Octamethyltrisiloxane hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026