1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane
1-乙酰氧基-1,1,3,3,5,5-六甲基三硅氧烷
Also known as: 1,1,3,3,5,5-Hexamethyltrisiloxanyl acetate, 1-Trisiloxanol, 1,1,3,3,5,5-hexamethyl-, 1-acetate
1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane (CAS 139722-91-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H22O4Si3 and a molecular weight of 266.51400 g/mol. It is also known as 1,1,3,3,5,5-Hexamethyltrisiloxanyl acetate and 1-Trisiloxanol, 1,1,3,3,5,5-hexamethyl-, 1-acetate. Key properties include a boiling point of 266.52ºC and a flash point of 80.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139722-91-1
- Jingsj CID
- J-1517090-3
- Molecular Formula
- C8H22O4Si3
- Chinese Name
- 1-乙酰氧基-1,1,3,3,5,5-六甲基三硅氧烷
- Molecular Weight
- 266.51400 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 266.52ºC |
|---|---|
| Flash Point | 80.2ºC |
Frequently Asked Questions
What is the CAS number of 1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane?
The CAS number of 1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane is 139722-91-1.
What are the molecular formula and molecular weight of 1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane?
1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane has molecular formula C8H22O4Si3 and molecular weight 266.51400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Acetoxy-1,1,3,3,5,5-hexamethyltrisiloxane (CAS 139722-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517090-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.