Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate

3-氧代-4-(三苯基膦烯基)丁酸乙酯

Also known as: 3-Oxo-4-(triphenylphosphoranylidene)butanoic Acid Ethyl Ester, 4-(Triphenylphosphoranylidene)acetoacetic Acid Ethyl Ester, Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate, [3-(Ethoxycarbonyl)-2-oxopropylidene]triphenylphosphorane, ethyl 3-oxo-4-(triphenyl-λ5-phosphanylidene)butanoate, MFCD00192162

Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate (CAS 13148-05-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H23O3P and a molecular weight of 390.41100 g/mol. It is also known as 3-Oxo-4-(triphenylphosphoranylidene)butanoic Acid Ethyl Ester, 4-(Triphenylphosphoranylidene)acetoacetic Acid Ethyl Ester and Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate. Key properties include a melting point of 101-106ºC, a boiling point of 544ºC at 760mmHg, a density of 1.18g/cm3 and a flash point of 295.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13148-05-5
Jingsj CID
J-2970-8
Molecular Formula
C24H23O3P
Chinese Name
3-氧代-4-(三苯基膦烯基)丁酸乙酯
Molecular Weight
390.41100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point101-106ºC
Boiling Point544ºC at 760mmHg
Density1.18g/cm3
Flash Point295.8ºC

Frequently Asked Questions

What is the CAS number of Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate?

The CAS number of Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate is 13148-05-5.

What are the molecular formula and molecular weight of Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate?

Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate has molecular formula C24H23O3P and molecular weight 390.41100 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate (CAS 13148-05-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2970-8 (accessed 2026-10-22).

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