(Triphenylphosphoranylidene)ketene
(三苯基膦烯)乙烯酮
Also known as: Bestmann Ylide, Ketenylidene(triphenyl)phosphorane, (Triphenylphosphoranylidene)ethenone, 2-triphenylphosphoranylideneethenone, Ethenone, 2-(triphenylphosphoranylidene)-, Bestmann reagent, Bestmann's ylide
(Triphenylphosphoranylidene)ketene (CAS 15596-07-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H15OP and a molecular weight of 302.30600 g/mol. It is also known as Bestmann Ylide, Ketenylidene(triphenyl)phosphorane and (Triphenylphosphoranylidene)ethenone. Key properties include a melting point of 171ºC, a boiling point of 455.4ºC at 760 mmHg, a density of 1.12g/cm3 and a flash point of 229.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15596-07-3
- Jingsj CID
- J-1438198-4
- Molecular Formula
- C20H15OP
- Chinese Name
- (三苯基膦烯)乙烯酮
- Molecular Weight
- 302.30600 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 171ºC |
|---|---|
| Boiling Point | 455.4ºC at 760 mmHg |
| Density | 1.12g/cm3 |
| Flash Point | 229.2ºC |
Frequently Asked Questions
What is the CAS number of (Triphenylphosphoranylidene)ketene?
The CAS number of (Triphenylphosphoranylidene)ketene is 15596-07-3.
What are the molecular formula and molecular weight of (Triphenylphosphoranylidene)ketene?
(Triphenylphosphoranylidene)ketene has molecular formula C20H15OP and molecular weight 302.30600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(Triphenylphosphoranylidene)ketene (CAS 15596-07-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438198-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.