quadrosilan
Also known as: cis-2,2,4,6,6,8-hexamethyl-4,8-diphenylcyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, cis-2,6-diphenyl-2,4,4,6,8,8-hexamethylcyclotetrasiloxane, 2,6-cis-diphenylhexamethylcyclotetrasiloxane, cisobitan, kabi 1774
quadrosilan (CAS 33204-76-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H28O4Si4 and a molecular weight of 420.75500 g/mol. Key properties include a melting point of 41ºC, a boiling point of 353.9ºC at 760 mmHg, a density of 1.06 g/cm3 and a flash point of 146ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33204-76-1
- Jingsj CID
- J-989020-8
- Molecular Formula
- C18H28O4Si4
- Molecular Weight
- 420.75500 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41ºC |
|---|---|
| Boiling Point | 353.9ºC at 760 mmHg |
| Density | 1.06 g/cm3 |
| Flash Point | 146ºC |
| Exact Mass | 420.10600 |
| PSA | 36.92000 |
| LogP | 3.42840 |
| Refractive Index | 1.513 |
Frequently Asked Questions
What is the CAS number of quadrosilan?
The CAS number of quadrosilan is 33204-76-1.
What are the molecular formula and molecular weight of quadrosilan?
quadrosilan has molecular formula C18H28O4Si4 and molecular weight 420.75500 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "quadrosilan (CAS 33204-76-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-989020-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.