Description CAS#: 13446-09-8 | Formula: NH4IO3 | Specifications: Assay 99.0 % - Min, Heavy metals 0.0005 % Max, Insoluble 0.005 % Max, Iodide 0.001 % Max, Iron 0.001 % Max, Other halogens (%) 0.01 % Max, Sulfate 0.005 % Max