2,4,7-trinitrofluorenone

2,4,7-trinitrofluorenone

[¦tü ¦fȯr ¦sev·ən trī¦nī·trō′flu̇r·ə‚nōn] (organic chemistry) C13H5N3O7 A yellow, crystalline compound with a melting point of 175.2-176°C; forms crystalline complexes with indoles for identification by mass spectroscopy. Abbreviated TNF.