Cupric nitrate trihydrate

Chemical properties

Hygroscopic blue crystal with an order of nitric a

The Uses of Cupric nitrate trihydrate

Analytical Reagent

The Uses of Cupric nitrate trihydrate

Copper(II) nitrate trihydrate may be used in the preparation of the following mononuclear copper(II) complexes (phen = 1,10-phenanthroline, dpq = dipyrido[3,2-d:2′,3′-f]quinoxaline and dppz = dipyrido[3,2-a:2′,3′-c]phenazine):
[Cu(dpq)(NO3)2]
[Cu(dpq)(NO3)(H2O)2](NO3)
[Cu(dpq)(NO3)2(H2O)2]·2H2O
[Cu(dppz)(NO3)2(H2O)]·H2O

General Description

Copper(II) nitrate trihydrate is a hydrated copper salt. It participates as catalyst in the solvent-free synthesis of 3-aminopropenones and 3-aminopropenoates.

Purification Methods

Crystallise it from weak aqueous HNO3 (0.5mL/g) by cooling from room temperature. The anhydrous salt can be prepared by dissolving copper metal in a 1:1 mixture of liquid NO2 and ethyl acetate and purified by sublimation [Evans et al. J Chem Soc, Faraday Trans 1 75 1023 1979]. The hexahydrate dehydrates to the trihydrate at 26o, and the anhydrous salt sublimes between 150 and 225o, but melts at 255-256o and is deliquescent.