Description CAS#: 6100-20-5 | Formula: KH3(C2O4)2.2H2O | Specifications: Assay 99.5 % - Min, Chloride 0.005 % Max, LOD (48 hr @ 23C over MgClO4) (%) 0.5 % Max, NIST Traceable, pH (0.05 M) report result