Polyphenylmethylsiloxane
Also known as: Poly[oxy(methylphenylsilylene)], Polyphenylmethyldimethylsiloxane, Polymethylphenylsiloxane, Polyphenylmethylsiloxane, MW 2500-2700, Silicone oil, Silicone fluid, Phenylmethylsiloxane homopolymer, Methylphenyl polysiloxane, Silicone DC 550 fluid, Silicone fluid DC 550, Silicone oil AR 200, Baysilone PL, Dow Corning 710
Polyphenylmethylsiloxane (CAS 9005-12-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula (C7H8OSi)n and a molecular weight of 136.22332 g/mol. Key properties include a melting point of <-20°C, a boiling point of 205ºC, a density of 1.11 and a flash point of 300°C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 9005-12-3
- Jingsj CID
- J-986-3
- Molecular Formula
- (C7H8OSi)n
- Molecular Weight
- 136.22332 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <-20°C |
|---|---|
| Boiling Point | 205ºC |
| Density | 1.11 |
| Flash Point | 300°C |
| Appearance | Liquid |
| Refractive Index | 1.520 |
| Additional Property | Insoluble in water. |
Frequently Asked Questions
What is the CAS number of Polyphenylmethylsiloxane?
The CAS number of Polyphenylmethylsiloxane is 9005-12-3.
What are the molecular formula and molecular weight of Polyphenylmethylsiloxane?
Polyphenylmethylsiloxane has molecular formula (C7H8OSi)n and molecular weight 136.22332 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Polyphenylmethylsiloxane (CAS 9005-12-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-986-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.