Triazido-2,4,6-trinitrobenzene, also known as TATNB (triazidotrintrobenzene) and TNTAZB (trinitrotriazidobenzene), is an aromatic high explosive composed of a benzene ring with three azido groups and three nitro groups alternating around the ring. It has chemical formula . Its velocity of detonation is 7,350 meters per second, comparable to TATB and CPN (CycloPropenium Nitrate).