4-Benzylidene-1,2-Diphenyl-Pyrazolidine-3,5-Dione
[CAS# 2652-78-0]

Identification

• Name: 4-Benzylidene-1,2-Diphenyl-Pyrazolidine-3,5-Dione
• Synonyms: 4-benzylidene-1,2-diphenyl-pyrazolidine-3,5-dione
• Molecular Formula: C₂₂H₁₆N₂O₂
• Molecular Weight: 340.38
• CAS Registry Number: 2652-78-0
• SMILES: c1ccc(cc1)C=C2C(=O)N(N(C2=O)c3ccccc3)c4ccccc4
• InChI: 1S/C22H16N2O2/c25-21-20(16-17-10-4-1-5-11-17)22(26)24(19-14-8-3-9-15-19)23(21)18-12-6-2-7-13-18/h1-16H
• InChIKey: IPGOIMUBZKYHNY-UHFFFAOYSA-N

Properties

• Density: 1.309g/cm³ (Cal.)
• Boiling point: 493.779°C at 760 mmHg (Cal.)
• Flash point: 215.367°C (Cal.)
• Refractive index: 1.702 (Cal.)

References

• (1): Selva A, Citterio A, Merlini L. Mass Spectrometry of Heterocyclic compounds. VIII. Electron-impact-induced fragmentation of 1,2-diphenyl-pyrazolidine-3,5-dione and some 4-substituted derivatives, Organic Mass Spectrometry 1975, 10, 606-616