Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate
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. 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-2970-9
- Molecular Formula
- C24H23O3P
- Molecular Weight
- 390.41100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 101-106ºC |
|---|---|
| Boiling Point | 544ºC at 760mmHg |
| Density | 1.18g/cm3 |
| Flash Point | 295.8ºC |
| Exact Mass | 390.13800 |
| PSA | 53.18000 |
| LogP | 3.30500 |
| Vapor Pressure | 6.78E-12mmHg at 25°C |
| Refractive Index | 1.596 |
| Storage Conditions | -20°C Freezer |
| Stability | Moisture Sensitive |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
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 such as PubChem 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-2970-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.