3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
3,9-双十八烷氧基-2,4,8,10-四氧-3,9-二磷螺环[5.5]十一烷
Also known as: O,O'-Dioctadecylpentaerythritol bis(phosphite), Distearyl pentaerythritol diphosphite, Distearyl pentaerythrityl diphosphite, Weston 618, Weston 619, Cyclic neopentanetetraylbis(octadecylphosphite), AO-118, 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(octadecyloxy)-, 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, MFCD00071522, EINECS 223-276-6
3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS 3806-34-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C41H82O6P2 and a molecular weight of 733.034 g/mol. It is also known as O,O'-Dioctadecylpentaerythritol bis(phosphite), Distearyl pentaerythritol diphosphite and Distearyl pentaerythrityl diphosphite. Key properties include a melting point of 44-47ºC, a boiling point of 692.2±55.0 °C at 760 mmHg and a flash point of 470.7±31.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3806-34-6
- Jingsj CID
- J-1010825-7
- Molecular Formula
- C41H82O6P2
- Chinese Name
- 3,9-双十八烷氧基-2,4,8,10-四氧-3,9-二磷螺环[5.5]十一烷
- Molecular Weight
- 733.034 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 44-47ºC |
|---|---|
| Boiling Point | 692.2±55.0 °C at 760 mmHg |
| Flash Point | 470.7±31.8 °C |
Frequently Asked Questions
What is the CAS number of 3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane?
The CAS number of 3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane is 3806-34-6.
What are the molecular formula and molecular weight of 3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane?
3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane has molecular formula C41H82O6P2 and molecular weight 733.034 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,9-bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS 3806-34-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1010825-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.