1,1-dimethylsila-14-crown-5
1,1-二甲基硅-14-冠-5
Also known as: 2,2-dimethyl-1,3,6,9,12-pentaoxa-2-silacyclotetradecane, 1,1-Dimethyl-1-sila-2,5,8,11,14-oxacyclotetradecane, 2,2-Dimethyl-2-sila-14-crown-5, dimethylsila-14-crown-5, EINECS 274-934-4
1,1-dimethylsila-14-crown-5 (CAS 70851-49-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H22O5Si and a molecular weight of 250.36400 g/mol. It is also known as 2,2-dimethyl-1,3,6,9,12-pentaoxa-2-silacyclotetradecane, 1,1-Dimethyl-1-sila-2,5,8,11,14-oxacyclotetradecane and 2,2-Dimethyl-2-sila-14-crown-5. Key properties include a melting point of <0ºC, a boiling point of 125ºC, a density of 1.08 and a flash point of >110ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 70851-49-9
- Jingsj CID
- J-1090901-0
- Molecular Formula
- C10H22O5Si
- Chinese Name
- 1,1-二甲基硅-14-冠-5
- Molecular Weight
- 250.36400 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 125ºC |
| Density | 1.08 |
| Flash Point | >110ºC |
Frequently Asked Questions
What is the CAS number of 1,1-dimethylsila-14-crown-5?
The CAS number of 1,1-dimethylsila-14-crown-5 is 70851-49-9.
What are the molecular formula and molecular weight of 1,1-dimethylsila-14-crown-5?
1,1-dimethylsila-14-crown-5 has molecular formula C10H22O5Si and molecular weight 250.36400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1-dimethylsila-14-crown-5 (CAS 70851-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1090901-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.