Ammonium tetrachloroplatinate(II), ROTI®METIC 99,99 % (4N), Molar mass (M) 372,98 g/mol, Density (D) 2,936 g/cm³, CAS No. [13820-41-2], UN-Nr. 3288, EG-Nr. 237-499-1, Empirical formula (NH4)2[PtCl4]