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In an effort to discover new potential boron-dipyrromethene (BODIPY) dyes, the title compound, C 19 H 17 BF 2 N 4 O 4 , was prepared from 2,4-dimethyl­pyrrole, 3,5-dinitro­benzaldehyde and boron trifluoride in a one-pot reaction. The BODIPY fragment is nearly planar, with a maximum deviation from the least-squares plane of 0.251 (2) Å, and the benzene ring is inclined at a dihedral angle of 86.8 (6)° to the BODIPY mean plane. In the crystal, pairs of C—H⋯F hydrogen bonds connect neighbouring mol­ecules into inversion dimers, which are linked by further strong C—H⋯F inter­actions, forming a supra­molecular layered array parallel to the  bc  plane.

10-(3,5-Dinitrophenyl)-5,5-difluoro-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2′,1′-f][1,3,2]diazaborinin-4-ium-5-uide