2-(Triphenylphosphoranylidene)succinic anhydride

2-(三苯基亚正膦基)琥珀酸酐

Also known as: 2,5-Furandione, dihydro-3-(triphenylphosphoranylidene)-, 3,4-Dihydro-3-(triphenylphosphoranylidene)furan-2,5-dione, 3-(Triphenylphosphoranylidene)dihydrofuran-2,5-dione, 3-(triphenyl-λ5-phosphanylidene)oxolane-2,5-dione, EINECS 212-998-7, MFCD00005529

2-(Triphenylphosphoranylidene)succinic anhydride (CAS 906-65-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H17O3P and a molecular weight of 360.34200 g/mol. It is also known as 2,5-Furandione, dihydro-3-(triphenylphosphoranylidene)-, 3,4-Dihydro-3-(triphenylphosphoranylidene)furan-2,5-dione and 3-(Triphenylphosphoranylidene)dihydrofuran-2,5-dione. Key properties include a melting point of 167 °C (dec.)(lit.), a boiling point of 516.1ºC at 760mmHg, a density of 1.29g/cm3 and a flash point of 279ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

906-65-0

Jingsj CID

J-22021-7

Molecular Formula

C₂₂H₁₇O₃P

Chinese Name

2-(三苯基亚正膦基)琥珀酸酐

Molecular Weight

360.34200 g/mol

Category

Organic Acids

Last updated

8/21/2026