1,1,3,3-Tetraisopropyldisiloxane
1,1,3,3-四异丙基二硅氧烷
Also known as: 1,1,3,3-TETRAISOPROPYLDISILOXANE, 1,1,3,3-Tetraisopropyl Disiloxane, Tetraisopropyldisiloxane, Disiloxane, 1,1,3,3-tetrakis(1-methylethyl)-, MFCD00012171, [di(propan-2-yl)-λ3-silanyl]oxy-di(propan-2-yl)silicon
1,1,3,3-Tetraisopropyldisiloxane (CAS 18043-71-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H30OSi2 and a molecular weight of 246.537 g/mol. It is also known as 1,1,3,3-TETRAISOPROPYLDISILOXANE, 1,1,3,3-Tetraisopropyl Disiloxane and Tetraisopropyldisiloxane. Key properties include a boiling point of 282.7±0.0 °C at 760 mmHg, a density of 0.89 g/mL at 25 °C(lit.) and a flash point of 95.2±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18043-71-5
- Jingsj CID
- J-49838-2
- Molecular Formula
- C12H30OSi2
- Chinese Name
- 1,1,3,3-四异丙基二硅氧烷
- Molecular Weight
- 246.537 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 282.7±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.89 g/mL at 25 °C(lit.) |
| Flash Point | 95.2±18.7 °C |
Frequently Asked Questions
What is the CAS number of 1,1,3,3-Tetraisopropyldisiloxane?
The CAS number of 1,1,3,3-Tetraisopropyldisiloxane is 18043-71-5.
What are the molecular formula and molecular weight of 1,1,3,3-Tetraisopropyldisiloxane?
1,1,3,3-Tetraisopropyldisiloxane has molecular formula C12H30OSi2 and molecular weight 246.537 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,3,3-Tetraisopropyldisiloxane (CAS 18043-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49838-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.