1-Allyl-1,1,3,3-tetramethyldisiloxane
1-烯丙基-1,1,3,3-四甲基二硅氧烷
Also known as: 1,1,3,3-tetramethyl-1-(prop-2-en-1-yl)disiloxane, Disiloxane, 1,1,3,3-tetramethyl-1-(2-propen-1-yl)-, [dimethyl(prop-2-enyl)silyl]oxy-dimethylsilicon
1-Allyl-1,1,3,3-tetramethyldisiloxane (CAS 18387-26-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H18OSi2 and a molecular weight of 174.388 g/mol. It is also known as 1,1,3,3-tetramethyl-1-(prop-2-en-1-yl)disiloxane, Disiloxane, 1,1,3,3-tetramethyl-1-(2-propen-1-yl)- and [dimethyl(prop-2-enyl)silyl]oxy-dimethylsilicon. Key properties include a boiling point of 128.3±19.0 °C at 760 mmHg, a density of 0.8 g/cm3 and a flash point of 31.4±21.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18387-26-3
- Jingsj CID
- J-1359424-8
- Molecular Formula
- C7H18OSi2
- Chinese Name
- 1-烯丙基-1,1,3,3-四甲基二硅氧烷
- Molecular Weight
- 174.388 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 128.3±19.0 °C at 760 mmHg |
|---|---|
| Density | 0.8 g/cm3 |
| Flash Point | 31.4±21.5 °C |
Frequently Asked Questions
What is the CAS number of 1-Allyl-1,1,3,3-tetramethyldisiloxane?
The CAS number of 1-Allyl-1,1,3,3-tetramethyldisiloxane is 18387-26-3.
What are the molecular formula and molecular weight of 1-Allyl-1,1,3,3-tetramethyldisiloxane?
1-Allyl-1,1,3,3-tetramethyldisiloxane has molecular formula C7H18OSi2 and molecular weight 174.388 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Allyl-1,1,3,3-tetramethyldisiloxane (CAS 18387-26-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359424-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.