Description CAS#: 13637-76-8 | Formula: Pb(ClO4)2 | Specifications: Assay (as PbClO4) (%) 80.0 - 82.0 %, Chloride 0.01 % Max, pH of 5% solution 3.0 - 5.0 pH, Sulfate 0.005 % Max, Suspended particulate matter (%) 0.01 % Max