Description CAS#: 7791-11-9 | Formula: RbCl | Specifications: Assay 99 % - Min, Heavy metals (as Pb) 0.001 % Max, Insoluble 0.005 % Max, Iron 0.001 % Max, pH of 5% solution @ 25 C 5.0 - 8.0 pH, Sulfate 0.005 % Max