2-(Triphenylphosphoranylidene)propionaldehyde

2-(三苯基正膦基)丙醛

Also known as: 2-(Triphenylphosphoranylidene)propanal, 1-Formylethylidenetriphenylphosphorane, Propanal, 2-(triphenylphosphoranylidene)-, 2-(TRIPHENYLPHOSPHORANYLIDENE)PROPIONALDEHYDE, MFCD00075596

2-(Triphenylphosphoranylidene)propionaldehyde (CAS 24720-64-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H19OP and a molecular weight of 318.349 g/mol. It is also known as 2-(Triphenylphosphoranylidene)propanal, 1-Formylethylidenetriphenylphosphorane and Propanal, 2-(triphenylphosphoranylidene)-. Key properties include a melting point of 219-221ºC(lit.), a boiling point of 478.5±28.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 243.2±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
24720-64-7
Jingsj CID
J-47462-3
Molecular Formula
C21H19OP
Chinese Name
2-(三苯基正膦基)丙醛
Molecular Weight
318.349 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point219-221ºC(lit.)
Boiling Point478.5±28.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point243.2±24.0 °C

Frequently Asked Questions

What is the CAS number of 2-(Triphenylphosphoranylidene)propionaldehyde?

The CAS number of 2-(Triphenylphosphoranylidene)propionaldehyde is 24720-64-7.

What are the molecular formula and molecular weight of 2-(Triphenylphosphoranylidene)propionaldehyde?

2-(Triphenylphosphoranylidene)propionaldehyde has molecular formula C21H19OP and molecular weight 318.349 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-(Triphenylphosphoranylidene)propionaldehyde (CAS 24720-64-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47462-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.