PROCESS FOR PREPARATION OF BIS-CHOLINE TETRATHIOMOLYBDATE

A process is provided for the production of bis-choline tetrathiomolybdate, the process comprising reacting a choline salt with ammonium tetrathiomolybdate, wherein the choline salt is a hydroxide, acetate, or halide choline salt, wherein the process comprises: combining the choline salt with a first mixture of ammonium tetrathiomolybdate in water, wherein a molar excess of choline salt to ammonium tetrathiomolybdate is used, for a first reaction period to provide a first reaction mixture; subjecting the first reaction mixture to a reduced pressure for a second reaction period to provide a second reaction mixture; and, isolating bis-choline tetrathiomolybdate from the second reaction mixture, wherein isolating bis-choline tetrathiomolybdate comprises adding ethanol to the second reaction mixture.