Mixer for biphasic compounds, comprising a chamber (21) for containing a solid phase (22) and a cartridge (4) containing a phial (18) of a liquid phase (27), said chamber (21) and said cartridge (4) being able to communicate through respective channels (19, 20), characterized in that said cartridge (4) comprises an external casing (25) made in a deformable material and said phial (18) is of the breakable type.
