Europium(III) nitrate is an inorganic compound with the formula . The hexahydrate is a common salt. It forms colorless hygroscopic crystals.

Preparation The salt is usually obtained by dissolving europium(III) oxide (Eu2O3) in nitric acid produces europium(III) nitrate.Odent, Guy; Charetteur, Elisabeth; Duperray, Marie H. Crystallization, radiocrystallographic characterization, and infrared absorption spectra of hexahydrates and pentahydrates of nitrates and lanthanides. Revue de Chimie Minerale, 1975. 12 (1): 17-23. Eu2O3 + 6 HNO3 → 2 Eu(NO3)3 + 3 H2O

Structure Like all trinitrates of the lanthanides, dilute (<0.01 M) solutions of consists of the aquo complex where x = 8 or 9. At higher concentrations, the binding of nitrate to Eu is observed.

Complexes Europium(III) nitrate reacts with anions and other Lewis bases to form complexes. For example, with 1,3,5-trimesic acid, europium metal-organic framework, a coordination polymer, under hydrothermal conditions.Habimana, Fabien; Huo, Yanxia; Jiang, Sai; Ji, Shengfu. Synthesis of europium metal-organic framework (Eu-MOF) and its performance in adsorptive desulfurization. Adsorption, 2016. 22 (8): 1147-1155. DOI:10.1007/s10450-016-9838-1.

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