Potassium oxalate
Molecular Formula: K2C2O4·H2O    
Molecular Weight: 184.23             
Chemical name:    Ethanedioic acid, dipotassium salt, monohydrate;dipotassium ethanedioate hydrate
Property: White monoclinic crystal or white powder. Soluble in water.
Specification:
Content 99% Min
PH value 7.0-8.0
Sulphate (As SO4) 0.05% Max
Heavy metal (Pb) 100ppm Max
Iron (Fe) 50ppm Max
Chloride (Cl) 0.01% Max