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CAS#: 7791-07-3 | Formula: NaClO4.H2O | Specifications: Assay as NaClO4 (%) 85.0 - 90.0 %, Calcium 0.02 % Max, Chloride 0.003 % Max, Heavy Metals (by ICP-OES) 0.0005 % Max, Insoluble Matter 0.005 % Max, Iron 0.0005 % Max, Optical abs. (1 M in water) @ 220nm 0.08 Max, Optical abs. (1 M in water) @ 254nm 0.02 Max, Optical abs. (1 M in water) @ 300nm 0.01 Max, pH of 5% sol. @25 C (pH) 6.0 - 8.0 pH, Potassium 0.05 % Max, Sulfate 0.002 % Max