3-(Triphenylphosphoranylidene)tetrahydrofuran-2-one

二氢-3-(三苯基膦亚基)-2(3H)-呋喃酮

Also known as: Dihydro-3-(triphenylphosphoranylidene)-2(3H)-furanone, 3-(Triphenylphosphoranylidene)-4,5-dihydrofuran-2(3H)-one, 3-(Triphenylphosphoranylidene)dihydrofuran-2-(3H)-one, 4,5-Dihydro-3-(triphenylphosphoranylidene)-2(3H)-furanone, 2-oxo-3-oxa-cyclopentylidenetriphenylphosphorane, 3-(Triphenylphosphoranylidene)-gama-butyrolactone, 3-(triphenyl-λ5-phosphanylidene)oxolan-2-one

3-(Triphenylphosphoranylidene)tetrahydrofuran-2-one (CAS 34932-07-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C22H19O2P and a molecular weight of 346.35900 g/mol. It is also known as Dihydro-3-(triphenylphosphoranylidene)-2(3H)-furanone, 3-(Triphenylphosphoranylidene)-4,5-dihydrofuran-2(3H)-one and 3-(Triphenylphosphoranylidene)dihydrofuran-2-(3H)-one. Key properties include a boiling point of 502.1ºC at 760 mmHg, a density of 1.23g/cm3 and a flash point of 270.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

34932-07-5

Jingsj CID

J-1016992-8

Molecular Formula

C₂₂H₁₉O₂P

Chinese Name

二氢-3-(三苯基膦亚基)-2(3H)-呋喃酮

Molecular Weight

346.35900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026