[{"from": "human", "value": "Please give me some details about this molecule. [N-1][=N+1][=N-1].[N-1][=N+1][=N-1].[Pb+2]"}, {"from": "gpt", "value": "The molecule appears as needles or white powder. Explodes at 350 \u00b0C. Insoluble in water. May explode from shock, heat, flame or friction when dry. The primary hazard is the blast effect of an instantaneous explosion and not flying projectiles and fragments."}]