CAS: 7758-98-7 EC No: 231-847-6 MDL No: MFCD00010981 RTECS: GL8800000 UN No: UN3288; Haz Class: 6.1; Packing Group: III Powder Linear Formula: CuSO₄ MW: 159.60 Melting Point: 560° (decomposes) Density (g/mL): 3.603