CAS: 28300-74-5 EC No: 229-436-1 MDL No: MFCD00148863 RTECS: CC6825000 UN No: UN1551; Haz Class: 6.1; Packing Group: III Powder Molecular Formula: C₈H₄K₂O₁₂Sb₂·3H₂O MW: 667.87 Melting Point: >300°