2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane
Also known as: 1,1,4,4-Tetramethyl-1,4-disila-5-oxacyclopentane, 2,2,5,5-Tetramethyl-1,2,5-oxadisilolane, 1-Oxa-2,5-disilacyclopentane, 2,2,5,5-tetramethyl-, Tetramethyldisilaoxacyclopentane, 2,2,5,5-tetramethyl-1-oxa-2,5-disilacyclopentane, 2,2,5,5-tetramethyl-1-oxa-5-disilacyclopentane, 2,5-Disila-2,2,5,5-tetramethyl-1-oxacyclopentane, Tetramethyldisilafuran, EINECS 231-037-2
2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane (CAS 7418-20-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H16OSi2 and a molecular weight of 160.362 g/mol. Key properties include a melting point of <0ºC, a boiling point of 123.7±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 17.7±18.8 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 7418-20-4
- Jingsj CID
- J-925041-3
- Molecular Formula
- C6H16OSi2
- Molecular Weight
- 160.362 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 123.7±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 17.7±18.8 °C |
| Exact Mass | 160.073975 |
| PSA | 9.23000 |
| LogP | 3.99 |
| Vapor Pressure | 15.9±0.2 mmHg at 25°C |
| Refractive Index | 1.417 |
| Storage Conditions | 2~8℃,Seal |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane?
The CAS number of 2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane is 7418-20-4.
What are the molecular formula and molecular weight of 2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane?
2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane has molecular formula C6H16OSi2 and molecular weight 160.362 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. "2,2,5,5-Tetramethyl-2,5-disila-1-oxacyclopentane (CAS 7418-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-925041-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.