Tris(2-ethylhexyl)phosphine oxide
三(2-乙基己基)氧化膦
Also known as: Phosphine oxide, tris(2-ethylhexyl)-, Tri(2-ethylhexyl)phosphine oxide, Tri-(2-ethylhexyl)-phosphinoxid, Tris-(2-ethyl-hexyl)-phosphinoxid, tris(2-ethylhexyl)phosphane oxide, TEHPO, 3-[bis(2-ethylhexyl)phosphorylmethyl]heptane
Tris(2-ethylhexyl)phosphine oxide (CAS 2785-32-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C24H51OP and a molecular weight of 386.63500 g/mol. It is also known as Phosphine oxide, tris(2-ethylhexyl)-, Tri(2-ethylhexyl)phosphine oxide and Tri-(2-ethylhexyl)-phosphinoxid. Key properties include a boiling point of 494.9ºC at 760mmHg, a density of 0.859g/cm3 and a flash point of 253.1ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2785-32-2
- Jingsj CID
- J-1519935-3
- Molecular Formula
- C24H51OP
- Chinese Name
- 三(2-乙基己基)氧化膦
- Molecular Weight
- 386.63500 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 494.9ºC at 760mmHg |
|---|---|
| Density | 0.859g/cm3 |
| Flash Point | 253.1ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Tris(2-ethylhexyl)phosphine oxide?
The CAS number of Tris(2-ethylhexyl)phosphine oxide is 2785-32-2.
What are the molecular formula and molecular weight of Tris(2-ethylhexyl)phosphine oxide?
Tris(2-ethylhexyl)phosphine oxide has molecular formula C24H51OP and molecular weight 386.63500 g/mol.
Is Tris(2-ethylhexyl)phosphine oxide hazardous?
Tris(2-ethylhexyl)phosphine oxide has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(2-ethylhexyl)phosphine oxide (CAS 2785-32-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519935-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.