... -59-5, masking agent, complexing agent potassium tartrate tetrahydrate, CAS No.6381-59-5 TECHNICAL DATA ... SHEET Sodium potassium tartrate tetrahydrate Chemical nature Chemical name Sodium potassium tartrate tetrahydrateMolecular formula C4H12KNaO10Molecular weight ... .03Fe %, ≤0.002As %, ≤0.0002Application Sodium potassium tartrate tetrahydrate is used as masking agent, complexing agent, etc.Packing ...