POLYOCTYLMETHYLSILOXANE
聚甲基辛基硅氧烷
Also known as: POLYMETHYLOCTYLSILOXANE, POLYOCTYLMETHYLSILOXANE, 600-1,000 cSt, POLYOCTYLMETHYLSILOXANE, 600-1,000cs, Poly(octylmethylsiloxane), viscosity 600-1000 cSt., Poly[oxy(methyloctylsilylene)].alpha.-trimethylsilyl-.omega.-trimethylsilyloxy-, SiloxanesandSilicones,Meoctyl, methyloctylsiloxanes
POLYOCTYLMETHYLSILOXANE (CAS 68440-90-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H20*2OSi and a molecular weight of 342.68 g/mol. It is also known as POLYMETHYLOCTYLSILOXANE, POLYOCTYLMETHYLSILOXANE, 600-1,000 cSt and POLYOCTYLMETHYLSILOXANE, 600-1,000cs. Key properties include a melting point of <0°C, a boiling point of >205°C, a density of 0.91 and a flash point of >110°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 68440-90-4
- Jingsj CID
- J-912590-6
- Molecular Formula
- C9H202OSi
- Chinese Name
- 聚甲基辛基硅氧烷
- Molecular Weight
- 342.68 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0°C |
|---|---|
| Boiling Point | >205°C |
| Density | 0.91 |
| Flash Point | >110°C |
Frequently Asked Questions
What is the CAS number of POLYOCTYLMETHYLSILOXANE?
The CAS number of POLYOCTYLMETHYLSILOXANE is 68440-90-4.
What are the molecular formula and molecular weight of POLYOCTYLMETHYLSILOXANE?
POLYOCTYLMETHYLSILOXANE has molecular formula C9H20*2OSi and molecular weight 342.68 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "POLYOCTYLMETHYLSILOXANE (CAS 68440-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-912590-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.