2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane
Also known as: 1,3-Bis(trimethylsiloxy)propane, 1,3-Bis(trimethylsilyloxy)propane, trimethyl(3-trimethylsilyloxypropoxy)silane, 1,3-Propanediol di-TMS, 3,7-Dioxa-2,8-disilanonane, 2,2,8,8-tetramethyl-, 2,2,8,8-Tetramethyl-2,8-disila-3,7-dioxanonane, NISTC17887808
2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane (CAS 17887-80-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H24O2Si2 and a molecular weight of 220.457 g/mol. Key properties include a boiling point of 199.1±23.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 62.0±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17887-80-8
- Jingsj CID
- J-1519532-1
- Molecular Formula
- C9H24O2Si2
- Molecular Weight
- 220.457 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 199.1±23.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 62.0±23.0 °C |
| Exact Mass | 220.131485 |
| PSA | 18.46000 |
| LogP | 3.55 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.410 |
Frequently Asked Questions
What is the CAS number of 2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane?
The CAS number of 2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane is 17887-80-8.
What are the molecular formula and molecular weight of 2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane?
2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane has molecular formula C9H24O2Si2 and molecular weight 220.457 g/mol.
What are the upstream and downstream products of 2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane?
For 2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane, Upstream Products: 1,1,1,3,3,3-Hexamethyldisilazane, 1,3-Propanediol, Chlorotrimethylsilane; Downstream Products: 1,3-Dibromopropane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane (CAS 17887-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519532-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.