Tricyclohexylphosphine oxide
三环己基氧膦
Also known as: Phosphine oxide, tricyclohexyl-, Tricyclohexylphosphane oxide, Dicyclohexylphosphorylcyclohexane, MFCD00014298
Tricyclohexylphosphine oxide (CAS 13689-19-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H33OP and a molecular weight of 296.428 g/mol. It is also known as Phosphine oxide, tricyclohexyl-, Tricyclohexylphosphane oxide and Dicyclohexylphosphorylcyclohexane. Key properties include a melting point of 155-157ºC, a boiling point of 466.6±12.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 236.0±19.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13689-19-5
- Jingsj CID
- J-1021374-8
- Molecular Formula
- C18H33OP
- Chinese Name
- 三环己基氧膦
- Molecular Weight
- 296.428 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155-157ºC |
|---|---|
| Boiling Point | 466.6±12.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 236.0±19.6 °C |
Frequently Asked Questions
What is the CAS number of Tricyclohexylphosphine oxide?
The CAS number of Tricyclohexylphosphine oxide is 13689-19-5.
What are the molecular formula and molecular weight of Tricyclohexylphosphine oxide?
Tricyclohexylphosphine oxide has molecular formula C18H33OP and molecular weight 296.428 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tricyclohexylphosphine oxide (CAS 13689-19-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1021374-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.