1,1,3,3-Tetramethyldisiloxane
1,1,3,3-四甲基二硅氧烷
Also known as: Tetramethyldisiloxane, Bis(dimethylsilyl) ether, Bis(dimethylsilyl) oxide, 1,3-Dihydrotetramethyldisiloxane, sym-Tetramethyldisiloxane, TMDSO, Dimethylsilyl ether, Disiloxane, 1,1,3,3-tetramethyl-, MFCD00008256, EINECS 221-906-4
- CAS No.
- 3277-26-7
- Jingsj CID
- J-9254-0
- 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
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Request a quotePhysicochemical Properties
| Melting Point | <-78ºC |
|---|---|
| Boiling Point | 70.8±9.0 °C at 760 mmHg |
| Density | 0.76 g/mL at 25 °C(lit.) |
| Flash Point | -3.4±18.7 °C |
Frequently Asked Questions
What is the CAS number of 1,1,3,3-Tetramethyldisiloxane?
3277-26-7
What are the molecular formula and molecular weight of 1,1,3,3-Tetramethyldisiloxane?
C4H14OSi2, molecular weight 134.324 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026