CAS: 6153-56-6 EC No: 205-634-3 MDL No: MFCD00149102 RTECS: KI1600000 UN No: UN3261; Haz Class: 8; Packing Group: III Crystalline Molecular Formula: C₂H₂O₄·2H₂O MW: 126.07 Melting Point: 104-106° Density (g/mL): 1.65