Ethoxy terminated polydimethylsiloxane
乙氧基封端的二甲基(硅氧烷与聚硅氧烷)
Also known as: .alpha.,.omega.-Diethoxypolydimethylsiloxane, ETHOXY TERMINATED POLYDIMETHYLSILOXANE, 5-10 cSt, POLYDIMETHYLSILOXANE, ETHOXY TERMINATED, Siloxanes and Silicones, di-Me, ethoxy-terminated, Siloxanesandsilicones, dimethyl, ethylterminated
Ethoxy terminated polydimethylsiloxane (CAS 70851-25-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H22O3Si2 and a molecular weight of 222.433 g/mol. It is also known as .alpha.,.omega.-Diethoxypolydimethylsiloxane, ETHOXY TERMINATED POLYDIMETHYLSILOXANE, 5-10 cSt and POLYDIMETHYLSILOXANE, ETHOXY TERMINATED. Key properties include a melting point of <-40°C, a boiling point of >205°C, a density of 0,94 g/cm3 and a flash point of 40°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 70851-25-1
- Jingsj CID
- J-1529708-2
- Molecular Formula
- C8H22O3Si2
- Chinese Name
- 乙氧基封端的二甲基(硅氧烷与聚硅氧烷)
- Molecular Weight
- 222.433 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <-40°C |
|---|---|
| Boiling Point | >205°C |
| Density | 0,94 g/cm3 |
| Flash Point | 40°C |
Frequently Asked Questions
What is the CAS number of Ethoxy terminated polydimethylsiloxane?
The CAS number of Ethoxy terminated polydimethylsiloxane is 70851-25-1.
What are the molecular formula and molecular weight of Ethoxy terminated polydimethylsiloxane?
Ethoxy terminated polydimethylsiloxane has molecular formula C8H22O3Si2 and molecular weight 222.433 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethoxy terminated polydimethylsiloxane (CAS 70851-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1529708-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.