Alias:Three Hydrogen Potassium Oxalate. CAS NO:6100-20-5. Molecular Fomula:KH 3 (C 2 O 4 ) 2.2H 2 O. Crystal size:0-0.5mm,0.1-0.8mm,0.5-2.17mm,2-3mm,2-15mm Appearnce: Colorless particles. Packaging:25kg PPwoven bags with PE inner or 1200 Kg super bag.