Barium Amidosulphonate, Ba(H₂NSO₃)₂

Barium Amidosulphonate, Ba(H₂NSO₃)₂, is obtained by the action of the sodium salt on a concentrated solution of barium chloride. A dibarium oxyamidosulphonate, Ba₂(SO₃NOH)₂.H₂O, and a mono-barium compound, Ba(SO₃NHOH)₂.H₂O, have also been isolated.