O2; O3 in acetic acid bubbling O2/O3 through a soln. of the Mn(II) salt in glacial acetic acidfor 15 min; addn. of H2O, pptn. upon cooling to 4°C overnight; elem. anal.;

permanganate in acetic acid permanganate oxidation of Mn(CH3COO)2 in glacial acetic acid; elem. anal.;

acetic acid in acetic acid byproducts: H2O; addn. of acetic acid to Mn salt and PbO2; heating to 50-60°C with stirring; standing overnight; crystn.; filtration; washing (dry acetic acid); recrystn. (acetic acid); washing (acetic acid); drying (vac., 30°C); elem. anal.; 99.6 +/-0.4percent purity;

Electrolysis;

acetic acid in chlorobenzene 1 h; Inert atmosphereHeating;

in chlorobenzene; 1,2-dichloro-benzene Kinetics; Chloro- or o-dichlorobenzene, manganese triacetate and benzoic acid (for dissolving the Mn-salt) are heated in an argon current, addn. of acetophenone.; Iodometric titration.;

acetic anhydride; acetic acid