1,1,2,2-Tetramethyldisilane
1,1,2,2-四甲基乙硅烷
Also known as: sym-Tetramethyldisilane, dimethylsilyl(dimethyl)silane, HMe2Si-SiMe2H, (CH3)2SiHSiH(CH3)2, 1,2-dihydrotetramethyldisilane, Disilane, 1,1,2,2-tetramethyl-, EINECS 212-416-1, MFCD00274234
1,1,2,2-Tetramethyldisilane (CAS 814-98-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H14Si2 and a molecular weight of 118.32500 g/mol. It is also known as sym-Tetramethyldisilane, dimethylsilyl(dimethyl)silane and HMe2Si-SiMe2H. Key properties include a boiling point of 86-87ºC(lit.), a density of 0.715 g/mL at 25ºC(lit.) and a flash point of -15 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 814-98-2
- Jingsj CID
- J-29112-5
- Molecular Formula
- C4H14Si2
- Chinese Name
- 1,1,2,2-四甲基乙硅烷
- Molecular Weight
- 118.32500 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 86-87ºC(lit.) |
|---|---|
| Density | 0.715 g/mL at 25ºC(lit.) |
| Flash Point | -15 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1,1,2,2-Tetramethyldisilane?
The CAS number of 1,1,2,2-Tetramethyldisilane is 814-98-2.
What are the molecular formula and molecular weight of 1,1,2,2-Tetramethyldisilane?
1,1,2,2-Tetramethyldisilane has molecular formula C4H14Si2 and molecular weight 118.32500 g/mol.
Is 1,1,2,2-Tetramethyldisilane hazardous?
1,1,2,2-Tetramethyldisilane has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,2,2-Tetramethyldisilane (CAS 814-98-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29112-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.