The thermal decomposition of magnesium(II) complexes with acetic and halogenacetic acids

Thermogravimetry (TG), differential thermal analysis (DTA) and other analyt ical methods have been applied to the investigation of the thermal behaviou r and structure of the compounds Mg(Ac)(2). 2H(2)O(I), Mg(ClAc)(2). 2H(2)O( II) and Mg(Cl2Ac)(2). H2O(III) (Ac=CH3COO-, ClAc=ClCH2COO-, Cl2Ac=Cl2CHCOO- ). The solid phased intermediate and resultant products of thermolysis had been identified. The possible scheme of destruction of the complexes is sug gested. The halogenacetato magnesium complexes (II-III) are thermally more stable than the acetatomagnesium complex I. The final products of the decom position of compounds were MgO. Infrared (IR) data suggest to a unidentate coordination of carboxylate ions to magnesium ions in complexes I-III.