Pentamethyldisilane
五甲基二硅烷
Also known as: 1,1,1,2,2-pentamethyldisilane, disilane, 1,1,1,2,2-pentamethyl-, Me3SiSiHMe2, HSiMe2SiMe3, (CH3)3SiSiH(CH3)2, (Me3Si)SiMe2H, MFCD03427188
Pentamethyldisilane (CAS 812-15-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H16Si2 and a molecular weight of 132.35200 g/mol. It is also known as 1,1,1,2,2-pentamethyldisilane, disilane, 1,1,1,2,2-pentamethyl- and Me3SiSiHMe2. Key properties include a boiling point of 98-99ºC(lit.), a density of 0.722 g/mL at 25ºC(lit.) and a flash point of 14 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 812-15-7
- Jingsj CID
- J-1991666-8
- Molecular Formula
- C5H16Si2
- Chinese Name
- 五甲基二硅烷
- Molecular Weight
- 132.35200 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 98-99ºC(lit.) |
|---|---|
| Density | 0.722 g/mL at 25ºC(lit.) |
| Flash Point | 14 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Pentamethyldisilane?
The CAS number of Pentamethyldisilane is 812-15-7.
What are the molecular formula and molecular weight of Pentamethyldisilane?
Pentamethyldisilane has molecular formula C5H16Si2 and molecular weight 132.35200 g/mol.
Is Pentamethyldisilane hazardous?
Pentamethyldisilane 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. "Pentamethyldisilane (CAS 812-15-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991666-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.