1,1,3,3-Tetramethyldisiloxane
1,1,3,3-四甲基二硅氧烷
Also known as: Bis(dimethylsilyl) ether, Bis(dimethylsilyl) oxide, Disiloxane, 1,1,3,3-tetramethyl-, sym-Tetramethyldisiloxane, TMDSO
1,1,3,3-Tetramethyldisiloxane (CAS 30110-74-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H14OSi2 and a molecular weight of 134.324 g/mol. It is also known as Bis(dimethylsilyl) ether, Bis(dimethylsilyl) oxide and Disiloxane, 1,1,3,3-tetramethyl-. Key properties include a boiling point of 70.8±9.0 °C at 760 mmHg, a density of 0.76 g/mL at 25ºC(lit.) and a flash point of -3.4±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 30110-74-8
- Jingsj CID
- J-1004082-5
- Molecular Formula
- C4H14OSi2
- Chinese Name
- 1,1,3,3-四甲基二硅氧烷
- Molecular Weight
- 134.324 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 70.8±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.76 g/mL at 25ºC(lit.) |
| Flash Point | -3.4±18.7 °C |
Frequently Asked Questions
What is the CAS number of 1,1,3,3-Tetramethyldisiloxane?
The CAS number of 1,1,3,3-Tetramethyldisiloxane is 30110-74-8.
What are the molecular formula and molecular weight of 1,1,3,3-Tetramethyldisiloxane?
1,1,3,3-Tetramethyldisiloxane has molecular formula C4H14OSi2 and molecular weight 134.324 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,3,3-Tetramethyldisiloxane (CAS 30110-74-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1004082-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.