2-(Triphenylphosphoranylidene)butyraldehyde

2-(三苯基正膦亚基)丁醛

Also known as: Butanal, 2-(triphenylphosphoranylidene)-, 2-(triphenyl-λ5-phosphanylidene)butanal, MFCD00192550

2-(Triphenylphosphoranylidene)butyraldehyde (CAS 90601-08-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H21OP and a molecular weight of 332.37500 g/mol. It is also known as Butanal, 2-(triphenylphosphoranylidene)-, 2-(triphenyl-λ5-phosphanylidene)butanal and MFCD00192550. Key properties include a melting point of 172-175ºC(lit.), a boiling point of 489.6ºC at 760 mmHg, a density of 1.12g/cm3 and a flash point of 249.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90601-08-4
Jingsj CID
J-5605-6
Molecular Formula
C22H21OP
Chinese Name
2-(三苯基正膦亚基)丁醛
Molecular Weight
332.37500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point172-175ºC(lit.)
Boiling Point489.6ºC at 760 mmHg
Density1.12g/cm3
Flash Point249.9ºC

Frequently Asked Questions

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

The CAS number of 2-(Triphenylphosphoranylidene)butyraldehyde is 90601-08-4.

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

2-(Triphenylphosphoranylidene)butyraldehyde has molecular formula C22H21OP and molecular weight 332.37500 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)butyraldehyde (CAS 90601-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5605-6 (accessed 2026-10-24).

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