Poly(methylhydrosiloxane)
聚甲基氢硅氧烷
Also known as: Methylhydrosiloxane homopolymer, trimethylsilyl terminated, PMHS, Poly(oxy(methylsilylene)), Silicone oil, methyl hydrogen
Poly(methylhydrosiloxane) (CAS 63148-57-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H30O2Si3 and a molecular weight of 254.59000 g/mol. It is also known as Methylhydrosiloxane homopolymer, trimethylsilyl terminated, PMHS and Poly(oxy(methylsilylene)). Key properties include a melting point of <-60°C, a boiling point of 205ºC, a density of 1.006 and a flash point of 82 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 28, 2026.
- CAS No.
- 63148-57-2
- Jingsj CID
- J-29282-3
- Molecular Formula
- C9H30O2Si3
- Chinese Name
- 聚甲基氢硅氧烷
- Molecular Weight
- 254.59000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/28/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <-60°C |
|---|---|
| Boiling Point | 205ºC |
| Density | 1.006 |
| Flash Point | 82 °F |
| Exact Mass | 254.15500 |
| PSA | 40.46000 |
| LogP | 2.73010 |
| Refractive Index | 1.398 |
| Additional Property | Not miscible or difficult to mix in water. |
Customs & Trade Information
| HS Code | 3910000000 |
|---|
Frequently Asked Questions
What is the CAS number of Poly(methylhydrosiloxane)?
The CAS number of Poly(methylhydrosiloxane) is 63148-57-2.
What are the molecular formula and molecular weight of Poly(methylhydrosiloxane)?
Poly(methylhydrosiloxane) has molecular formula C9H30O2Si3 and molecular weight 254.59000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Poly(methylhydrosiloxane) (CAS 63148-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29282-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.