Description CAS#: 141-53-7 | Formula: HCOONa | Specifications: Assay 99.0 % - Min, Calcium 0.005 % Max, Chloride 0.001 % Max, Heavy metals (as Pb) 0.0005 % Max, Insoluble 0.005 % Max, Iron 0.0005 % Max, Sulfate 0.001 % Max