H6CN12Fe2

Ferricyanic Fer`ri*cy*an"ic, a. [Ferri- + cyanic.] (Chem.) Pertaining to, or derived from, a ferricyanide. [1913 Webster]

{Ferricyanic acid} (Chem.), a brown crystalline substance, {H6(CN)12Fe2}, obtained from potassium ferricyanide, and regarded as the type of the ferricyanides; -- called also {hydro-ferricyanic acid}, {hydrogen ferricyanide}, etc. [1913 Webster]