1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane
1,1,3,5,5-五甲基-3-苯基三硅氧烷
Also known as: 1,1,3,5,5-Pentamethyl-3-phenyltrisiloxan, 3-Phenyl-1,1,3,5,5-pentamethyltrisiloxane, [(dimethyl-λ3-silanyl)oxy-methyl-phenylsilyl]oxy-dimethylsilicon, Benzene, [1-[(dimethylsilyl)oxy]-1,3,3-trimethyldisiloxanyl]-
1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane (CAS 17962-34-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H22O2Si3 and a molecular weight of 270.548 g/mol. It is also known as 1,1,3,5,5-Pentamethyl-3-phenyltrisiloxan, 3-Phenyl-1,1,3,5,5-pentamethyltrisiloxane and [(dimethyl-λ3-silanyl)oxy-methyl-phenylsilyl]oxy-dimethylsilicon. Key properties include a boiling point of 209.4±13.0 °C at 760 mmHg and a flash point of 80.4±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17962-34-4
- Jingsj CID
- J-1028926-8
- Molecular Formula
- C11H22O2Si3
- Chinese Name
- 1,1,3,5,5-五甲基-3-苯基三硅氧烷
- Molecular Weight
- 270.548 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 209.4±13.0 °C at 760 mmHg |
|---|---|
| Flash Point | 80.4±19.8 °C |
Frequently Asked Questions
What is the CAS number of 1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane?
The CAS number of 1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane is 17962-34-4.
What are the molecular formula and molecular weight of 1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane?
1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane has molecular formula C11H22O2Si3 and molecular weight 270.548 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,3,5,5-Pentamethyl-3-phenyltrisiloxane (CAS 17962-34-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028926-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.