The indide EuPtIn 2 (MgCuAl 2 type, Cmcm , a = 448.23(4), b = 1068.64(11), c = 784.09(8) pm, w R 2 = 0.0432, 466 F 2 values, 16 variables) was synthesized by induction-melting of the elements and subsequent annealing. The platinum and indium atoms built up a three-dimensional PtIn 2 2− polyanionic network (278-282 pm Pt-In) which contains channels that are filled with the europium cations. These bind to the network through shorter Eu-Pt contacts (302-323 pm). Temperature dependent magnetic susceptibility and 151 Eu Mössbauer spectroscopic data manifest divalent europium down to 4.2 K. EuPtIn 2 orders ferromagnetically at 32.5 K. EuPtIn 2 and SrPtIn 2 form a complete solid solution Eu 1− x Sr x PtIn 2 with Vergard type behavior for the lattice parameters. Divalent europium is proven through magnetic data and Mössbauer spectroscopy. The Curie temperature decreases monotonically from 32.5 to 3.1 K in going to Eu 0.1 Sr 0.9 PtIn 2 . The indide EuPtIn 2 (MgCuAl 2 type, Cmcm , a = 448.23(4), b = 1068.64(11), c = 784.09(8) pm, w R 2 = 0.0432, 466 F 2 values, 16 variables) was synthesized by induction-melting of the elements and subsequent annealing.