Polymethyloctadecylsiloxane
聚甲基十八硅氧烷
Also known as: Methyloctadecylsiloxane, Polyoctadecylmethylsiloxane, Siloxanes and silicones, Me octadecyl, Siloxanes and silicones, methyloctadecyl, methyl-terminated, SiloxanesandSilicones, Mestearyl, Polysiloxanes, Mestearyl, alpha-Trimethylsilyl-omega-trimethylsiloxypoly[oxy(methyloctadecylsilylene)], Poly[oxy(methyloctadecylsilylene)],.alpha.-trimethylsilyl-.omega.-trimethylsiloxy-
Polymethyloctadecylsiloxane (CAS 68607-75-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H44OSi2 and a molecular weight of 344.723 g/mol. It is also known as Methyloctadecylsiloxane, Polyoctadecylmethylsiloxane and Siloxanes and silicones, Me octadecyl. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 68607-75-0
- Jingsj CID
- J-913057-5
- Molecular Formula
- C19H44OSi2
- Chinese Name
- 聚甲基十八硅氧烷
- Molecular Weight
- 344.723 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Polymethyloctadecylsiloxane?
The CAS number of Polymethyloctadecylsiloxane is 68607-75-0.
What are the molecular formula and molecular weight of Polymethyloctadecylsiloxane?
Polymethyloctadecylsiloxane has molecular formula C19H44OSi2 and molecular weight 344.723 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Polymethyloctadecylsiloxane (CAS 68607-75-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-913057-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.