Poly(dimethylsiloxane), hydroxy-terminated
Also known as: Hydroxy terminated polydimethylsiloxane, Silanol terminated polydimethylsiloxane, Polydimethylsiloxane, dihydroxy terminated, Hydroxy Terminated Silicone Fluid, PDMS, hydroxy-terminated, baysilonc0.7, MFCD01325012
Poly(dimethylsiloxane), hydroxy-terminated (CAS 70131-67-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula HO-(C2H6OSi)n-H and a molecular weight of 92.17000 g/mol. Key properties include a melting point of <-60°C, a boiling point of 182 °C, a density of 0.98 g/mL at 25 °C and a flash point of 68.3 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 70131-67-8
- Jingsj CID
- J-1344950-6
- Molecular Formula
- HO(C2H6OSi)nH
- Molecular Weight
- 92.17000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <-60°C |
|---|---|
| Boiling Point | 182 °C |
| Density | 0.98 g/mL at 25 °C |
| Flash Point | 68.3 °C |
| Exact Mass | 92.03000 |
| Appearance | Liquid |
| Refractive Index | n20/D 1.406 |
| Additional Property | Soluble in carbon tetrachloride, benzene, chloroform, diethyl ether, toluene and other organic solvents. Insoluble in water and ethanol. |
Frequently Asked Questions
What is the CAS number of Poly(dimethylsiloxane), hydroxy-terminated?
The CAS number of Poly(dimethylsiloxane), hydroxy-terminated is 70131-67-8.
What are the molecular formula and molecular weight of Poly(dimethylsiloxane), hydroxy-terminated?
Poly(dimethylsiloxane), hydroxy-terminated has molecular formula HO-(C2H6OSi)n-H and molecular weight 92.17000 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. "Poly(dimethylsiloxane), hydroxy-terminated (CAS 70131-67-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1344950-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.